# -*- coding: utf-8 -*-

"""
***************************************************************************
    GdalAlgorithmRasterTest.py
    ---------------------
    Date                 : January 2016
    Copyright            : (C) 2016 by Matthias Kuhn
    Email                : matthias@opengis.ch
***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************
"""

__author__ = 'Matthias Kuhn'
__date__ = 'January 2016'
__copyright__ = '(C) 2016, Matthias Kuhn'

import nose2
import os
import shutil
import tempfile

from qgis.core import (QgsProcessingContext,
                       QgsProcessingFeedback,
                       QgsRectangle)

from qgis.testing import (start_app,
                          unittest)

import AlgorithmsTestBase
from processing.algs.gdal.AssignProjection import AssignProjection
from processing.algs.gdal.ClipRasterByExtent import ClipRasterByExtent
from processing.algs.gdal.ClipRasterByMask import ClipRasterByMask
from processing.algs.gdal.ColorRelief import ColorRelief
from processing.algs.gdal.GridAverage import GridAverage
from processing.algs.gdal.GridDataMetrics import GridDataMetrics
from processing.algs.gdal.GridInverseDistance import GridInverseDistance
from processing.algs.gdal.GridInverseDistanceNearestNeighbor import GridInverseDistanceNearestNeighbor
from processing.algs.gdal.GridLinear import GridLinear
from processing.algs.gdal.GridNearestNeighbor import GridNearestNeighbor
from processing.algs.gdal.gdal2tiles import gdal2tiles
from processing.algs.gdal.gdalcalc import gdalcalc
from processing.algs.gdal.gdaltindex import gdaltindex
from processing.algs.gdal.contour import contour
from processing.algs.gdal.gdalinfo import gdalinfo
from processing.algs.gdal.hillshade import hillshade
from processing.algs.gdal.aspect import aspect
from processing.algs.gdal.buildvrt import buildvrt
from processing.algs.gdal.proximity import proximity
from processing.algs.gdal.rasterize import rasterize
from processing.algs.gdal.retile import retile
from processing.algs.gdal.translate import translate
from processing.algs.gdal.warp import warp
from processing.algs.gdal.fillnodata import fillnodata
from processing.algs.gdal.rearrange_bands import rearrange_bands
from processing.algs.gdal.gdaladdo import gdaladdo
from processing.algs.gdal.sieve import sieve
from processing.algs.gdal.gdal2xyz import gdal2xyz
from processing.algs.gdal.polygonize import polygonize
from processing.algs.gdal.pansharp import pansharp
from processing.algs.gdal.merge import merge
from processing.algs.gdal.nearblack import nearblack
from processing.algs.gdal.slope import slope
from processing.algs.gdal.rasterize_over import rasterize_over
from processing.algs.gdal.rasterize_over_fixed_value import rasterize_over_fixed_value
from processing.algs.gdal.viewshed import viewshed


testDataPath = os.path.join(os.path.dirname(__file__), 'testdata')


class TestGdalRasterAlgorithms(unittest.TestCase, AlgorithmsTestBase.AlgorithmsTest):

    @classmethod
    def setUpClass(cls):
        start_app()
        from processing.core.Processing import Processing
        Processing.initialize()
        cls.cleanup_paths = []

    @classmethod
    def tearDownClass(cls):
        for path in cls.cleanup_paths:
            shutil.rmtree(path)

    def test_definition_file(self):
        return 'gdal_algorithm_raster_tests.yaml'

    def testAssignProjection(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = AssignProjection()
        alg.initAlgorithm()

        # with target srs
        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'CRS': 'EPSG:3111'}, context, feedback),
            ['gdal_edit.py',
             '-a_srs EPSG:3111 ' +
             source])

        # with target using proj string
        custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'CRS': custom_crs}, context, feedback),
            ['gdal_edit.py',
             '-a_srs EPSG:20936 ' +
             source])

        # with target using custom projection
        custom_crs = 'proj4: +proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'CRS': custom_crs}, context, feedback),
            ['gdal_edit.py',
             '-a_srs "+proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs" ' +
             source])

        # with non-EPSG crs code
        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'CRS': 'POSTGIS:3111'}, context, feedback),
            ['gdal_edit.py',
             '-a_srs EPSG:3111 ' +
             source])

    def testGdalTranslate(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        translate_alg = translate()
        translate_alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # without NODATA value
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with None NODATA value
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'NODATA': None,
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'NODATA': 9999,
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-a_nodata 9999.0 ' +
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'NODATA': 0,
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-a_nodata 0.0 ' +
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value and custom data type
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'NODATA': 0,
                                                  'DATA_TYPE': 6,
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-a_nodata 0.0 ' +
                 '-ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target srs
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'TARGET_CRS': 'EPSG:3111',
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-a_srs EPSG:3111 ' +
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target using proj string
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'TARGET_CRS': custom_crs,
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-a_srs EPSG:20936 ' +
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target using custom projection
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'TARGET_CRS': custom_crs,
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-a_srs "+proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs" ' +
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with non-EPSG crs code
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'TARGET_CRS': 'POSTGIS:3111',
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-a_srs EPSG:3111 ' +
                 '-of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with copy subdatasets
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'COPY_SUBDATASETS': True,
                                                  'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdal_translate',
                 '-sds ' +
                 '-of GTiff ' +
                 source + ' ' +
                 outdir + '/check.tif'])

            # additional parameters
            self.assertEqual(
                translate_alg.getConsoleCommands({'INPUT': source,
                                                  'EXTRA': '-strict -unscale -epo',
                                                  'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-of JPEG -strict -unscale -epo ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

    def testClipRasterByExtent(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = ClipRasterByExtent()
        alg.initAlgorithm()
        extent = QgsRectangle(1, 2, 3, 4)

        with tempfile.TemporaryDirectory() as outdir:
            # with no NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTENT': extent,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-projwin 0.0 0.0 0.0 0.0 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTENT': extent,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-projwin 0.0 0.0 0.0 0.0 -a_nodata 9999.0 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTENT': extent,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-projwin 0.0 0.0 0.0 0.0 -a_nodata 0.0 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value and custom data type
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTENT': extent,
                                        'NODATA': 0,
                                        'DATA_TYPE': 6,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-projwin 0.0 0.0 0.0 0.0 -a_nodata 0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with creation options
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTENT': extent,
                                        'OPTIONS': 'COMPRESS=DEFLATE|PREDICTOR=2|ZLEVEL=9',
                                        'DATA_TYPE': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-projwin 0.0 0.0 0.0 0.0 -of JPEG -co COMPRESS=DEFLATE -co PREDICTOR=2 -co ZLEVEL=9 ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTENT': extent,
                                        'EXTRA': '-s_srs EPSG:4326 -tps -tr 0.1 0.1',
                                        'DATA_TYPE': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_translate',
                 '-projwin 0.0 0.0 0.0 0.0 -of JPEG -s_srs EPSG:4326 -tps -tr 0.1 0.1 ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

    def testClipRasterByMask(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        mask = os.path.join(testDataPath, 'polys.gml')
        alg = ClipRasterByMask()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # with no NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'MASK': mask,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-of JPEG -cutline ' +
                 mask + ' -cl polys2 -crop_to_cutline ' + source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'MASK': mask,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-of JPEG -cutline ' +
                 mask + ' -cl polys2 -crop_to_cutline -dstnodata 9999.0 ' + source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'MASK': mask,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-of JPEG -cutline ' +
                 mask + ' -cl polys2 -crop_to_cutline -dstnodata 0.0 ' + source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value and custom data type
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'MASK': mask,
                                        'NODATA': 0,
                                        'DATA_TYPE': 6,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-ot Float32 -of JPEG -cutline ' +
                 mask + ' -cl polys2 -crop_to_cutline -dstnodata 0.0 ' + source + ' ' +
                 outdir + '/check.jpg'])
            # with creation options
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'MASK': mask,
                                        'OPTIONS': 'COMPRESS=DEFLATE|PREDICTOR=2|ZLEVEL=9',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-of JPEG -cutline ' +
                 mask + ' -cl polys2 -crop_to_cutline -co COMPRESS=DEFLATE -co PREDICTOR=2 -co ZLEVEL=9 ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with multothreading and additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'MASK': mask,
                                        'MULTITHREADING': True,
                                        'EXTRA': '-nosrcalpha -wm 2048 -nomd',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-of JPEG -cutline ' +
                 mask + ' -cl polys2 -crop_to_cutline -multi -nosrcalpha -wm 2048 -nomd ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

    def testContour(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = contour()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # with no NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD_NAME': 'elev',
                                        'INTERVAL': 5,
                                        'OUTPUT': outdir + '/check.shp'}, context, feedback),
                ['gdal_contour',
                 '-b 1 -a elev -i 5.0 -f "ESRI Shapefile" ' +
                 source + ' ' +
                 outdir + '/check.shp'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD_NAME': 'elev',
                                        'INTERVAL': 5,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.shp'}, context, feedback),
                ['gdal_contour',
                 '-b 1 -a elev -i 5.0 -snodata 9999.0 -f "ESRI Shapefile" ' +
                 source + ' ' +
                 outdir + '/check.shp'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD_NAME': 'elev',
                                        'INTERVAL': 5,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.gpkg'}, context, feedback),
                ['gdal_contour',
                 '-b 1 -a elev -i 5.0 -snodata 0.0 -f "GPKG" ' +
                 source + ' ' +
                 outdir + '/check.gpkg'])
            # with CREATE_3D
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'CREATE_3D': True,
                                        'OUTPUT': outdir + '/check.shp'}, context, feedback),
                ['gdal_contour',
                 '-b 1 -a ELEV -i 10.0 -3d -f "ESRI Shapefile" ' +
                 source + ' ' +
                 outdir + '/check.shp'])
            # with IGNORE_NODATA and OFFSET
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'IGNORE_NODATA': True,
                                        'OFFSET': 100,
                                        'OUTPUT': outdir + '/check.shp'}, context, feedback),
                ['gdal_contour',
                 '-b 1 -a ELEV -i 10.0 -inodata -off 100.0 -f "ESRI Shapefile" ' +
                 source + ' ' +
                 outdir + '/check.shp'])
            # with additional command line parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'EXTRA': '-e 3 -amin MIN_H',
                                        'OUTPUT': outdir + '/check.shp'}, context, feedback),
                ['gdal_contour',
                 '-b 1 -a ELEV -i 10.0 -f "ESRI Shapefile" -e 3 -amin MIN_H ' +
                 source + ' ' +
                 outdir + '/check.shp'])
            # obsolete OPTIONS param
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'OPTIONS': '-fl 100 125 150 200',
                                        'OUTPUT': outdir + '/check.shp'}, context, feedback),
                ['gdal_contour',
                 '-b 1 -a ELEV -i 10.0 -f "ESRI Shapefile" -fl 100 125 150 200 ' +
                 source + ' ' +
                 outdir + '/check.shp'])

    def testGdal2Tiles(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = gdal2tiles()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # with no NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/'}, context, feedback),
                ['gdal2tiles.py',
                 '-p mercator -w all -r average ' +
                 source + ' ' +
                 outdir + '/'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': -9999,
                                        'OUTPUT': outdir + '/'}, context, feedback),
                ['gdal2tiles.py',
                 '-p mercator -w all -r average -a -9999.0 ' +
                 source + ' ' +
                 outdir + '/'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/'}, context, feedback),
                ['gdal2tiles.py',
                 '-p mercator -w all -r average -a 0.0 ' +
                 source + ' ' +
                 outdir + '/'])

            # with input srs
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'OUTPUT': outdir + '/'}, context, feedback),
                ['gdal2tiles.py',
                 '-p mercator -w all -r average -s EPSG:3111 ' +
                 source + ' ' +
                 outdir + '/'])

            # with target using proj string
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': custom_crs,
                                        'OUTPUT': outdir + '/'}, context, feedback),
                ['gdal2tiles.py',
                 '-p mercator -w all -r average -s EPSG:20936 ' +
                 source + ' ' +
                 outdir + '/'])

            # with target using custom projection
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': custom_crs,
                                        'OUTPUT': outdir + '/'}, context, feedback),
                ['gdal2tiles.py',
                 '-p mercator -w all -r average -s "+proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs" ' +
                 source + ' ' +
                 outdir + '/'])

            # with non-EPSG crs code
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'POSTGIS:3111',
                                        'OUTPUT': outdir + '/'}, context, feedback),
                ['gdal2tiles.py',
                 '-p mercator -w all -r average -s EPSG:3111 ' +
                 source + ' ' +
                 outdir + '/'])

    def testGdalCalc(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = gdalcalc()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            output = outdir + '/check.jpg'

            # default execution
            formula = 'A*2' # default formula
            self.assertEqual(
                alg.getConsoleCommands({'INPUT_A': source,
                                        'BAND_A': 1,
                                        'FORMULA': formula,
                                        'OUTPUT': output}, context, feedback),
                ['gdal_calc.py',
                 '--calc "{}" --format JPEG --type Float32 -A {} --A_band 1 --outfile {}'.format(formula, source, output)])

            # check that formula is not escaped and formula is returned as it is
            formula = 'A * 2'  # <--- add spaces in the formula
            self.assertEqual(
                alg.getConsoleCommands({'INPUT_A': source,
                                        'BAND_A': 1,
                                        'FORMULA': formula,
                                        'OUTPUT': output}, context, feedback),
                ['gdal_calc.py',
                 '--calc "{}" --format JPEG --type Float32 -A {} --A_band 1 --outfile {}'.format(formula, source, output)])

            # additional creation options
            formula = 'A*2'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT_A': source,
                                        'BAND_A': 1,
                                        'FORMULA': formula,
                                        'OPTIONS': 'COMPRESS=JPEG|JPEG_QUALITY=75',
                                        'OUTPUT': output}, context, feedback),
                ['gdal_calc.py',
                 '--calc "{}" --format JPEG --type Float32 -A {} --A_band 1 --co COMPRESS=JPEG --co JPEG_QUALITY=75 --outfile {}'.format(formula, source, output)])

            # additional parameters
            formula = 'A*2'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT_A': source,
                                        'BAND_A': 1,
                                        'FORMULA': formula,
                                        'EXTRA': '--debug --quiet',
                                        'OUTPUT': output}, context, feedback),
                ['gdal_calc.py',
                 '--calc "{}" --format JPEG --type Float32 -A {} --A_band 1 --debug --quiet --outfile {}'.format(formula, source, output)])

    def testGdalInfo(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = gdalinfo()
        alg.initAlgorithm()

        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'MIN_MAX': False,
                                    'NOGCP': False,
                                    'NO_METADATA': False,
                                    'STATS': False}, context, feedback),
            ['gdalinfo',
             source])

        source = os.path.join(testDataPath, 'raster with spaces.tif')
        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'MIN_MAX': False,
                                    'NOGCP': False,
                                    'NO_METADATA': False,
                                    'STATS': False}, context, feedback),
            ['gdalinfo',
             '"' + source + '"'])

        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'MIN_MAX': True,
                                    'NOGCP': False,
                                    'NO_METADATA': False,
                                    'STATS': False}, context, feedback),
            ['gdalinfo',
             '-mm "' + source + '"'])

        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'MIN_MAX': False,
                                    'NOGCP': True,
                                    'NO_METADATA': False,
                                    'STATS': False}, context, feedback),
            ['gdalinfo',
             '-nogcp "' + source + '"'])

        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'MIN_MAX': False,
                                    'NOGCP': False,
                                    'NO_METADATA': True,
                                    'STATS': False}, context, feedback),
            ['gdalinfo',
             '-nomd "' + source + '"'])

        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'MIN_MAX': False,
                                    'NOGCP': False,
                                    'NO_METADATA': False,
                                    'STATS': True}, context, feedback),
            ['gdalinfo',
             '-stats "' + source + '"'])

        self.assertEqual(
            alg.getConsoleCommands({'INPUT': source,
                                    'MIN_MAX': False,
                                    'NOGCP': False,
                                    'NO_METADATA': False,
                                    'STATS': False,
                                    'EXTRA': '-proj4 -listmdd -checksum'}, context, feedback),
            ['gdalinfo',
             '-proj4 -listmdd -checksum "' + source + '"'])

    def testGdalTindex(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = gdaltindex()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            commands = alg.getConsoleCommands({'LAYERS': [source],
                                               'OUTPUT': outdir + '/test.shp'}, context, feedback)
            self.assertEqual(len(commands), 2)
            self.assertEqual(commands[0], 'gdaltindex')
            self.assertIn('-tileindex location -f "ESRI Shapefile" ' + outdir + '/test.shp', commands[1])
            self.assertIn('--optfile ', commands[1])

            # with input srs
            commands = alg.getConsoleCommands({'LAYERS': [source],
                                               'TARGET_CRS': 'EPSG:3111',
                                               'OUTPUT': outdir + '/test.shp'}, context, feedback)
            self.assertEqual(len(commands), 2)
            self.assertEqual(commands[0], 'gdaltindex')
            self.assertIn('-tileindex location -t_srs EPSG:3111 -f "ESRI Shapefile" ' + outdir + '/test.shp', commands[1])
            self.assertIn('--optfile ', commands[1])

            # with target using proj string
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            commands = alg.getConsoleCommands({'LAYERS': [source],
                                               'TARGET_CRS': custom_crs,
                                               'OUTPUT': outdir + '/test.shp'}, context, feedback)
            self.assertEqual(len(commands), 2)
            self.assertEqual(commands[0], 'gdaltindex')
            self.assertIn('-tileindex location -t_srs EPSG:20936 -f "ESRI Shapefile" ' + outdir + '/test.shp', commands[1])
            self.assertIn('--optfile ', commands[1])

            # with target using custom projection
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            commands = alg.getConsoleCommands({'LAYERS': [source],
                                               'TARGET_CRS': custom_crs,
                                               'OUTPUT': outdir + '/test.shp'}, context, feedback)
            self.assertEqual(len(commands), 2)
            self.assertEqual(commands[0], 'gdaltindex')
            self.assertIn('-tileindex location -t_srs "+proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs" -f "ESRI Shapefile" ' + outdir + '/test.shp', commands[1])
            self.assertIn('--optfile ', commands[1])

            # with non-EPSG crs code
            commands = alg.getConsoleCommands({'LAYERS': [source],
                                               'TARGET_CRS': 'POSTGIS:3111',
                                               'OUTPUT': outdir + '/test.shp'}, context, feedback)
            self.assertEqual(len(commands), 2)
            self.assertEqual(commands[0], 'gdaltindex')
            self.assertIn(
                '-tileindex location -t_srs EPSG:3111 -f "ESRI Shapefile" ' + outdir + '/test.shp',
                commands[1])
            self.assertIn('--optfile ', commands[1])

    def testGridAverage(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'points.gml')
        alg = GridAverage()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # with no NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a average:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a average:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a average:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-z_multiply 1.5 -outsize 1754 1394',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a average:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 -ot Float32 -of JPEG -z_multiply 1.5 -outsize 1754 1394 ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

    def testGridDataMetrics(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'points.gml')
        alg = GridDataMetrics()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # without NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a minimum:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a minimum:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a minimum:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # non-default datametrics
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'METRIC': 4,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a average_distance:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-z_multiply 1.5 -outsize 1754 1394',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdal_grid',
                 '-l points -a minimum:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 ' +
                 '-ot Float32 -of GTiff -z_multiply 1.5 -outsize 1754 1394 ' +
                 source + ' ' +
                 outdir + '/check.tif'])

    def testGridInverseDistance(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'points.gml')
        alg = GridInverseDistance()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # without NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdist:power=2.0:smothing=0.0:radius1=0.0:radius2=0.0:angle=0.0:max_points=0:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdist:power=2.0:smothing=0.0:radius1=0.0:radius2=0.0:angle=0.0:max_points=0:min_points=0:nodata=9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdist:power=2.0:smothing=0.0:radius1=0.0:radius2=0.0:angle=0.0:max_points=0:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-z_multiply 1.5 -outsize 1754 1394',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdist:power=2.0:smothing=0.0:radius1=0.0:radius2=0.0:angle=0.0:max_points=0:min_points=0:nodata=0.0 ' +
                 '-ot Float32 -of GTiff -z_multiply 1.5 -outsize 1754 1394 ' +
                 source + ' ' +
                 outdir + '/check.tif'])

    def testGridInverseDistanceNearestNeighbour(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'points.gml')
        alg = GridInverseDistanceNearestNeighbor()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # without NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdistnn:power=2.0:smothing=0.0:radius=1.0:max_points=12:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdistnn:power=2.0:smothing=0.0:radius=1.0:max_points=12:min_points=0:nodata=9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdistnn:power=2.0:smothing=0.0:radius=1.0:max_points=12:min_points=0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-z_multiply 1.5 -outsize 1754 1394',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdal_grid',
                 '-l points -a invdistnn:power=2.0:smothing=0.0:radius=1.0:max_points=12:min_points=0:nodata=0.0 ' +
                 '-ot Float32 -of GTiff -z_multiply 1.5 -outsize 1754 1394 ' +
                 source + ' ' +
                 outdir + '/check.tif'])

    def testGridLinear(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'points.gml')
        alg = GridLinear()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # without NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a linear:radius=-1.0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a linear:radius=-1.0:nodata=9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a linear:radius=-1.0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-z_multiply 1.5 -outsize 1754 1394',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdal_grid',
                 '-l points -a linear:radius=-1.0:nodata=0.0 -ot Float32 -of GTiff ' +
                 '-z_multiply 1.5 -outsize 1754 1394 ' +
                 source + ' ' +
                 outdir + '/check.tif'])

    def testGridNearestNeighbour(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'points.gml')
        alg = GridNearestNeighbor()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # without NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a nearest:radius1=0.0:radius2=0.0:angle=0.0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a nearest:radius1=0.0:radius2=0.0:angle=0.0:nodata=9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_grid',
                 '-l points -a nearest:radius1=0.0:radius2=0.0:angle=0.0:nodata=0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-z_multiply 1.5 -outsize 1754 1394',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdal_grid',
                 '-l points -a nearest:radius1=0.0:radius2=0.0:angle=0.0:nodata=0.0 -ot Float32 -of GTiff ' +
                 '-z_multiply 1.5 -outsize 1754 1394 ' +
                 source + ' ' +
                 outdir + '/check.tif'])

    def testHillshade(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = hillshade()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'Z_FACTOR': 5,
                                        'SCALE': 2,
                                        'AZIMUTH': 90,
                                        'ALTITUDE': 20,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'hillshade ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -z 5.0 -s 2.0 -az 90.0 -alt 20.0'])

            # paths with space
            source_with_space = os.path.join(testDataPath, 'raster with spaces.tif')
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source_with_space,
                                        'BAND': 1,
                                        'Z_FACTOR': 5,
                                        'SCALE': 2,
                                        'AZIMUTH': 90,
                                        'ALTITUDE': 20,
                                        'OUTPUT': outdir + '/check out.tif'}, context, feedback),
                ['gdaldem',
                 'hillshade ' +
                 '"' + source_with_space + '" ' +
                 '"{}/check out.tif" -of GTiff -b 1 -z 5.0 -s 2.0 -az 90.0 -alt 20.0'.format(outdir)])

            # compute edges
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'Z_FACTOR': 5,
                                        'SCALE': 2,
                                        'AZIMUTH': 90,
                                        'ALTITUDE': 20,
                                        'COMPUTE_EDGES': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'hillshade ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -z 5.0 -s 2.0 -az 90.0 -alt 20.0 -compute_edges'])

            # with ZEVENBERGEN
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'Z_FACTOR': 5,
                                        'SCALE': 2,
                                        'AZIMUTH': 90,
                                        'ALTITUDE': 20,
                                        'ZEVENBERGEN': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'hillshade ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -z 5.0 -s 2.0 -az 90.0 -alt 20.0 -alg ZevenbergenThorne'])

            # with COMBINED
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'Z_FACTOR': 5,
                                        'SCALE': 2,
                                        'AZIMUTH': 90,
                                        'ALTITUDE': 20,
                                        'COMBINED': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'hillshade ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -z 5.0 -s 2.0 -az 90.0 -alt 20.0 -combined'])

            # with multidirectional - "az" argument is not allowed!
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'Z_FACTOR': 5,
                                        'SCALE': 2,
                                        'AZIMUTH': 90,
                                        'ALTITUDE': 20,
                                        'MULTIDIRECTIONAL': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'hillshade ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -z 5.0 -s 2.0 -alt 20.0 -multidirectional'])

            # defaults with additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'EXTRA': '-q',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'hillshade ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -z 1.0 -s 1.0 -az 315.0 -alt 45.0 -q'])

    def testAspect(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = aspect()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'TRIG_ANGLE': False,
                                        'ZERO_FLAT': False,
                                        'COMPUTE_EDGES': False,
                                        'ZEVENBERGEN': False,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1'])

            # paths with space
            source_with_space = os.path.join(testDataPath, 'raster with spaces.tif')
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source_with_space,
                                        'BAND': 1,
                                        'TRIG_ANGLE': False,
                                        'ZERO_FLAT': False,
                                        'COMPUTE_EDGES': False,
                                        'ZEVENBERGEN': False,
                                        'OUTPUT': outdir + '/check out.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 '"' + source_with_space + '" ' +
                 '"{}/check out.tif" -of GTiff -b 1'.format(outdir)])

            # compute edges
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'TRIG_ANGLE': False,
                                        'ZERO_FLAT': False,
                                        'COMPUTE_EDGES': True,
                                        'ZEVENBERGEN': False,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -compute_edges'])

            # with ZEVENBERGEN
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'TRIG_ANGLE': False,
                                        'ZERO_FLAT': False,
                                        'COMPUTE_EDGES': False,
                                        'ZEVENBERGEN': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -alg ZevenbergenThorne'])

            # with ZERO_FLAT
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'TRIG_ANGLE': False,
                                        'ZERO_FLAT': True,
                                        'COMPUTE_EDGES': False,
                                        'ZEVENBERGEN': False,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -zero_for_flat'])

            # with TRIG_ANGLE
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'TRIG_ANGLE': True,
                                        'ZERO_FLAT': False,
                                        'COMPUTE_EDGES': False,
                                        'ZEVENBERGEN': False,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -trigonometric'])

            # with creation options
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'TRIG_ANGLE': False,
                                        'ZERO_FLAT': False,
                                        'COMPUTE_EDGES': False,
                                        'ZEVENBERGEN': False,
                                        'OPTIONS': 'COMPRESS=JPEG|JPEG_QUALITY=75',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -co COMPRESS=JPEG -co JPEG_QUALITY=75'])

            # with additional parameter
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'TRIG_ANGLE': False,
                                        'ZERO_FLAT': False,
                                        'COMPUTE_EDGES': False,
                                        'ZEVENBERGEN': False,
                                        'EXTRA': '-q',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'aspect ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -q'])

    def testSlope(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = slope()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'slope ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -s 1.0'])

            # compute edges
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'COMPUTE_EDGES': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'slope ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -s 1.0 -compute_edges'])

            # with ZEVENBERGEN
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'ZEVENBERGEN': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'slope ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -s 1.0 -alg ZevenbergenThorne'])

            # custom ratio
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'SCALE': 2.0,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'slope ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -s 2.0'])

            # with creation options
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'OPTIONS': 'COMPRESS=JPEG|JPEG_QUALITY=75',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'slope ' +
                 source + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -s 1.0 -co COMPRESS=JPEG -co JPEG_QUALITY=75'])

            # with additional parameter
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'EXTRA': '-q',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdaldem',
                 'slope ' +
                 source + ' ' +
                 outdir + '/check.jpg -of JPEG -b 1 -s 1.0 -q'])

    def testColorRelief(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        colorTable = os.path.join(testDataPath, 'colors.txt')
        alg = ColorRelief()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'COLOR_TABLE': colorTable,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'color-relief ' +
                 source + ' ' +
                 colorTable + ' ' +
                 outdir + '/check.tif -of GTiff -b 1'])

            # paths with space
            source_with_space = os.path.join(testDataPath, 'raster with spaces.tif')
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source_with_space,
                                        'BAND': 1,
                                        'COLOR_TABLE': colorTable,
                                        'OUTPUT': outdir + '/check out.tif'}, context, feedback),
                ['gdaldem',
                 'color-relief ' +
                 '"' + source_with_space + '" ' +
                 colorTable + ' ' +
                 '"{}/check out.tif" -of GTiff -b 1'.format(outdir)])

            # compute edges
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'COLOR_TABLE': colorTable,
                                        'COMPUTE_EDGES': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'color-relief ' +
                 source + ' ' +
                 colorTable + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -compute_edges'])

            # with custom matching mode
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'COLOR_TABLE': colorTable,
                                        'MATCH_MODE': 1,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'color-relief ' +
                 source + ' ' +
                 colorTable + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -nearest_color_entry'])

            # with creation options
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'COLOR_TABLE': colorTable,
                                        'MATCH_MODE': 1,
                                        'OPTIONS': 'COMPRESS=JPEG|JPEG_QUALITY=75',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'color-relief ' +
                 source + ' ' +
                 colorTable + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -nearest_color_entry -co COMPRESS=JPEG -co JPEG_QUALITY=75'])

            # with additional parameter
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'COLOR_TABLE': colorTable,
                                        'EXTRA': '-alpha -q',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdaldem',
                 'color-relief ' +
                 source + ' ' +
                 colorTable + ' ' +
                 outdir + '/check.tif -of GTiff -b 1 -alpha -q'])

    def testProximity(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = proximity()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # without NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_proximity.py',
                 '-srcband 1 -distunits PIXEL -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'BAND': 2,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_proximity.py',
                 '-srcband 2 -distunits PIXEL -nodata 9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'BAND': 1,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_proximity.py',
                 '-srcband 1 -distunits PIXEL -nodata 0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'EXTRA': '-dstband 2 -values 3,4,12',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_proximity.py',
                 '-srcband 1 -distunits PIXEL -ot Float32 -of JPEG -dstband 2 -values 3,4,12 ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

    def testRasterize(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'polys.gml')
        alg = rasterize()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # with no NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'FIELD': 'id',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id -ts 0.0 0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'FIELD': 'id',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id -ts 0.0 0.0 -a_nodata 9999.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" INIT value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'INIT': 0,
                                        'FIELD': 'id',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id -ts 0.0 0.0 -init 0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'FIELD': 'id',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id -ts 0.0 0.0 -a_nodata 0.0 -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'FIELD': 'id',
                                        'EXTRA': '-at -add',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id -ts 0.0 0.0 -ot Float32 -of JPEG -at -add ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

    def testRasterizeOver(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        raster = os.path.join(testDataPath, 'dem.tif')
        vector = os.path.join(testDataPath, 'polys.gml')
        alg = rasterize_over()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': vector,
                                        'FIELD': 'id',
                                        'INPUT_RASTER': raster}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id ' +
                 vector + ' ' + raster])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': vector,
                                        'FIELD': 'id',
                                        'ADD': True,
                                        'INPUT_RASTER': raster}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id -add ' +
                 vector + ' ' + raster])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': vector,
                                        'FIELD': 'id',
                                        'EXTRA': '-i',
                                        'INPUT_RASTER': raster}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -a id -i ' +
                 vector + ' ' + raster])

    def testRasterizeOverFixed(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        raster = os.path.join(testDataPath, 'dem.tif')
        vector = os.path.join(testDataPath, 'polys.gml')
        alg = rasterize_over_fixed_value()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': vector,
                                        'BURN': 100,
                                        'INPUT_RASTER': raster}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -burn 100.0 ' +
                 vector + ' ' + raster])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': vector,
                                        'BURN': 100,
                                        'ADD': True,
                                        'INPUT_RASTER': raster}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -burn 100.0 -add ' +
                 vector + ' ' + raster])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': vector,
                                        'BURN': 100,
                                        'EXTRA': '-i',
                                        'INPUT_RASTER': raster}, context, feedback),
                ['gdal_rasterize',
                 '-l polys2 -burn 100.0 -i ' +
                 vector + ' ' + raster])

    def testRetile(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = retile()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': [source],
                                        'OUTPUT': outdir}, context, feedback),
                ['gdal_retile.py',
                 '-ps 256 256 -overlap 0 -levels 1 -r near -ot Float32 -targetDir {} '.format(outdir) +
                 source])

            # with input srs
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': [source],
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'OUTPUT': outdir}, context, feedback),
                ['gdal_retile.py',
                 '-ps 256 256 -overlap 0 -levels 1 -s_srs EPSG:3111 -r near -ot Float32 -targetDir {} {}'.format(outdir, source)
                 ])

            # with target using proj string
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': [source],
                                        'SOURCE_CRS': custom_crs,
                                        'OUTPUT': outdir}, context, feedback),
                ['gdal_retile.py',
                 '-ps 256 256 -overlap 0 -levels 1 -s_srs EPSG:20936 -r near -ot Float32 -targetDir {} {}'.format(outdir, source)
                 ])

            # with target using custom projection
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': [source],
                                        'SOURCE_CRS': custom_crs,
                                        'OUTPUT': outdir}, context, feedback),
                ['gdal_retile.py',
                 '-ps 256 256 -overlap 0 -levels 1 -s_srs "+proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs" -r near -ot Float32 -targetDir {} {}'.format(outdir, source)
                 ])

            # with non-EPSG crs code
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': [source],
                                        'SOURCE_CRS': 'POSTGIS:3111',
                                        'OUTPUT': outdir}, context, feedback),
                ['gdal_retile.py',
                 '-ps 256 256 -overlap 0 -levels 1 -s_srs EPSG:3111 -r near -ot Float32 -targetDir {} {}'.format(outdir, source)
                 ])

            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': [source],
                                        'EXTRA': '-v -tileIndex tindex.shp',
                                        'OUTPUT': outdir}, context, feedback),
                ['gdal_retile.py',
                 '-ps 256 256 -overlap 0 -levels 1 -r near -ot Float32 -v -tileIndex tindex.shp -targetDir {} '.format(outdir) +
                 source])

    def testWarp(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = warp()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # with no NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with None NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': None,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 9999,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -dstnodata 9999.0 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -dstnodata 0.0 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])
            # with "0" NODATA value and custom data type
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NODATA': 0,
                                        'DATA_TYPE': 6,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -dstnodata 0.0 -r near -ot Float32 -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target using EPSG
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'TARGET_CRS': 'EPSG:4326',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -t_srs EPSG:4326 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target using proj string
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': custom_crs,
                                        'TARGET_CRS': custom_crs,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:20936 -t_srs EPSG:20936 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target using custom projection
            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': custom_crs,
                                        'TARGET_CRS': custom_crs,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs "+proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs" -t_srs "+proj=utm +zone=36 +south +a=63785 +b=6357 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs" -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target using custom projection and user-defined extent
            custom_crs2 = 'proj4: +proj=longlat +a=6378388 +b=6356912 +no_defs'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': custom_crs2,
                                        'TARGET_CRS': custom_crs2,
                                        'TARGET_EXTENT': '18.67,18.70,45.78,45.81',
                                        'TARGET_EXTENT_CRS': custom_crs2,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['gdalwarp',
                 '-s_srs "+proj=longlat +a=6378388 +b=6356912 +no_defs" -t_srs "+proj=longlat +a=6378388 +b=6356912 +no_defs" -r near -te 18.67 45.78 18.7 45.81 -te_srs "+proj=longlat +a=6378388 +b=6356912 +no_defs" -of GTiff ' +
                 source + ' ' +
                 outdir + '/check.tif'])

            # with non-EPSG crs code
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'POSTGIS:3111',
                                        'TARGET_CRS': 'POSTGIS:3111',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -t_srs EPSG:3111 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with target resolution with None value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'TARGET_RESOLUTION': None,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # test target resolution with a valid value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'TARGET_RESOLUTION': 10.0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -tr 10.0 10.0 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # test target resolution with a value of zero, to be ignored
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'SOURCE_CRS': 'EPSG:3111',
                                        'TARGET_RESOLUTION': 0.0,
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-s_srs EPSG:3111 -r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            # with additional command-line parameter
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-dstalpha',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-r near -of JPEG -dstalpha ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-dstalpha -srcnodata -9999',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-r near -of JPEG -dstalpha -srcnodata -9999 ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-dstalpha -srcnodata "-9999 -8888"',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-r near -of JPEG -dstalpha -srcnodata "-9999 -8888" ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '',
                                        'OUTPUT': outdir + '/check.jpg'}, context, feedback),
                ['gdalwarp',
                 '-r near -of JPEG ' +
                 source + ' ' +
                 outdir + '/check.jpg'])

    def testMerge(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = [os.path.join(testDataPath, 'dem1.tif'), os.path.join(testDataPath, 'dem1.tif')]
        alg = merge()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # this algorithm creates temporary text file with input layers
            # so we strip its path, leaving only filename
            cmd = alg.getConsoleCommands({'INPUT': source,
                                          'OUTPUT': outdir + '/check.tif'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('--optfile') + 10] + t[t.find('mergeInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdal_merge.py',
                              '-ot Float32 -of GTiff ' +
                              '-o ' + outdir + '/check.tif ' +
                              '--optfile mergeInputFiles.txt'])
            # separate
            cmd = alg.getConsoleCommands({'INPUT': source,
                                          'SEPARATE': True,
                                          'OUTPUT': outdir + '/check.tif'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('--optfile') + 10] + t[t.find('mergeInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdal_merge.py',
                              '-separate -ot Float32 -of GTiff ' +
                              '-o ' + outdir + '/check.tif ' +
                              '--optfile mergeInputFiles.txt'])

            # assign nodata
            cmd = alg.getConsoleCommands({'INPUT': source,
                                          'EXTRA': '-tap -ps 0.1 0.1',
                                          'OUTPUT': outdir + '/check.tif'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('--optfile') + 10] + t[t.find('mergeInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdal_merge.py',
                              '-ot Float32 -of GTiff -tap -ps 0.1 0.1 ' +
                              '-o ' + outdir + '/check.tif ' +
                              '--optfile mergeInputFiles.txt'])

            # additional parameters
            cmd = alg.getConsoleCommands({'INPUT': source,
                                          'NODATA_OUTPUT': -9999,
                                          'OUTPUT': outdir + '/check.tif'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('--optfile') + 10] + t[t.find('mergeInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdal_merge.py',
                              '-a_nodata -9999 -ot Float32 -of GTiff ' +
                              '-o ' + outdir + '/check.tif ' +
                              '--optfile mergeInputFiles.txt'])

    def testNearblack(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = nearblack()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # defaults
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['nearblack',
                 source + ' -of GTiff -o ' + outdir + '/check.tif ' +
                 '-near 15'])

            # search white pixels
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'WHITE': True,
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['nearblack',
                 source + ' -of GTiff -o ' + outdir + '/check.tif ' +
                 '-near 15 -white'])

            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-nb 5 -setalpha',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['nearblack',
                 source + ' -of GTiff -o ' + outdir + '/check.tif ' +
                 '-near 15 -nb 5 -setalpha'])

            # additional parameters and creation options
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OPTIONS': 'COMPRESS=JPEG|JPEG_QUALITY=75',
                                        'EXTRA': '-nb 5 -setalpha',
                                        'OUTPUT': outdir + '/check.tif'}, context, feedback),
                ['nearblack',
                 source + ' -of GTiff -o ' + outdir + '/check.tif ' +
                 '-near 15 -co COMPRESS=JPEG -co JPEG_QUALITY=75 -nb 5 -setalpha'])

    def testRearrangeBands(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')

        with tempfile.TemporaryDirectory() as outdir:
            outsource = outdir + '/check.tif'

            alg = rearrange_bands()
            alg.initAlgorithm()

            # single band
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BANDS': 1,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_translate', '-b 1 ' +
                 '-of GTiff ' +
                 source + ' ' + outsource])
            # three bands, re-ordered
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BANDS': [3, 2, 1],
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_translate', '-b 3 -b 2 -b 1 ' +
                 '-of GTiff ' +
                 source + ' ' + outsource])
            # three bands, re-ordered with custom data type
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BANDS': [3, 2, 1],
                                        'DATA_TYPE': 6,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_translate', '-b 3 -b 2 -b 1 ' +
                 '-ot Float32 -of GTiff ' +
                 source + ' ' + outsource])

    def testFillnodata(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        mask = os.path.join(testDataPath, 'raster.tif')

        with tempfile.TemporaryDirectory() as outdir:
            outsource = outdir + '/check.tif'
            alg = fillnodata()
            alg.initAlgorithm()

            # with mask value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'DISTANCE': 10,
                                        'ITERATIONS': 0,
                                        'MASK_LAYER': mask,
                                        'NO_MASK': False,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_fillnodata.py',
                 '-md 10 -b 1 -mask ' +
                 mask +
                 ' -of GTiff ' +
                 source + ' ' +
                 outsource])

            # without mask value
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'DISTANCE': 10,
                                        'ITERATIONS': 0,
                                        'NO_MASK': False,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_fillnodata.py',
                 '-md 10 -b 1 ' +
                 '-of GTiff ' +
                 source + ' ' +
                 outsource])

            # nomask true
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'DISTANCE': 10,
                                        'ITERATIONS': 0,
                                        'NO_MASK': True,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_fillnodata.py',
                 '-md 10 -b 1 -nomask ' +
                 '-of GTiff ' +
                 source + ' ' +
                 outsource])

            # creation options
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'OPTIONS': 'COMPRESS=JPEG|JPEG_QUALITY=75',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_fillnodata.py',
                 '-md 10 -b 1 -of GTiff -co COMPRESS=JPEG -co JPEG_QUALITY=75 ' +
                 source + ' ' +
                 outsource])

            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'EXTRA': '-q',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_fillnodata.py',
                 '-md 10 -b 1 -of GTiff -q ' +
                 source + ' ' +
                 outsource])

    def testGdalAddo(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')

        with tempfile.TemporaryDirectory() as outdir:
            alg = gdaladdo()
            alg.initAlgorithm()

            # defaults
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16',
                                        'CLEAN': False,
                                        'RESAMPLING': 0,
                                        'FORMAT': 0}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r nearest 2 4 8 16'])

            # with "clean" option
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16',
                                        'CLEAN': True,
                                        'RESAMPLING': 0,
                                        'FORMAT': 0}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r nearest -clean 2 4 8 16'])

            # ovr format
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16',
                                        'CLEAN': False,
                                        'RESAMPLING': 0,
                                        'FORMAT': 1}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r nearest -ro 2 4 8 16'])

            # Erdas format
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16',
                                        'CLEAN': False,
                                        'RESAMPLING': 0,
                                        'FORMAT': 2}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r nearest --config USE_RRD YES 2 4 8 16'])

            # custom resampling method format
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16',
                                        'CLEAN': False,
                                        'RESAMPLING': 4,
                                        'FORMAT': 0}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r cubicspline 2 4 8 16'])

            # more levels
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16 32 64',
                                        'CLEAN': False,
                                        'RESAMPLING': 0,
                                        'FORMAT': 0}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r nearest 2 4 8 16 32 64'])

            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16',
                                        'CLEAN': False,
                                        'EXTRA': '--config COMPRESS_OVERVIEW JPEG'}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r nearest --config COMPRESS_OVERVIEW JPEG 2 4 8 16'])

            # without advanced params
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'LEVELS': '2 4 8 16',
                                        'CLEAN': False}, context, feedback),
                ['gdaladdo',
                 source + ' ' + '-r nearest 2 4 8 16'])

    def testSieve(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        mask = os.path.join(testDataPath, 'raster.tif')

        with tempfile.TemporaryDirectory() as outdir:
            outsource = outdir + '/check.tif'
            alg = sieve()
            alg.initAlgorithm()

            # defaults
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_sieve.py',
                 '-st 10 -4 -of GTiff ' +
                 source + ' ' +
                 outsource])

            # Eight connectedness and custom threshold
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'THRESHOLD': 16,
                                        'EIGHT_CONNECTEDNESS': True,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_sieve.py',
                 '-st 16 -8 -of GTiff ' +
                 source + ' ' +
                 outsource])

            # without default mask layer
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'NO_MASK': True,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_sieve.py',
                 '-st 10 -4 -nomask -of GTiff ' +
                 source + ' ' +
                 outsource])

            # defaults with external validity mask
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'MASK_LAYER': mask,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_sieve.py',
                 '-st 10 -4 -mask ' +
                 mask +
                 ' -of GTiff ' +
                 source + ' ' +
                 outsource])

            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'EXTRA': '-q',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_sieve.py',
                 '-st 10 -4 -of GTiff -q ' +
                 source + ' ' +
                 outsource])

    def testGdal2Xyz(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')

        with tempfile.TemporaryDirectory() as outdir:
            outsource = outdir + '/check.csv'
            alg = gdal2xyz()
            alg.initAlgorithm()

            # defaults
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'CSV': False,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal2xyz.py',
                 '-band 1 ' +
                 source + ' ' +
                 outsource])

            # csv output
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'CSV': True,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal2xyz.py',
                 '-band 1 -csv ' +
                 source + ' ' +
                 outsource])

    def testGdalPolygonize(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')

        with tempfile.TemporaryDirectory() as outdir:
            outsource = outdir + '/check.shp'
            alg = polygonize()
            alg.initAlgorithm()

            # defaults
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD': 'DN',
                                        'EIGHT_CONNECTEDNESS': False,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_polygonize.py',
                 source + ' ' +
                 outsource + ' ' +
                 '-b 1 -f "ESRI Shapefile" check DN'
                 ])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD': 'VAL',
                                        'EIGHT_CONNECTEDNESS': False,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_polygonize.py',
                 source + ' ' +
                 outsource + ' ' +
                 '-b 1 -f "ESRI Shapefile" check VAL'
                 ])

            # 8 connectedness
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD': 'DN',
                                        'EIGHT_CONNECTEDNESS': True,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_polygonize.py',
                 source + ' ' +
                 outsource + ' ' +
                 '-8 -b 1 -f "ESRI Shapefile" check DN'
                 ])

            # custom output format
            outsource = outdir + '/check.gpkg'
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD': 'DN',
                                        'EIGHT_CONNECTEDNESS': False,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_polygonize.py',
                 source + ' ' +
                 outsource + ' ' +
                 '-b 1 -f "GPKG" check DN'
                 ])

            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': source,
                                        'BAND': 1,
                                        'FIELD': 'DN',
                                        'EXTRA': '-nomask -q',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_polygonize.py',
                 source + ' ' +
                 outsource + ' ' +
                 '-b 1 -f "GPKG" -nomask -q check DN'
                 ])

    def testGdalPansharpen(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        panchrom = os.path.join(testDataPath, 'dem.tif')
        spectral = os.path.join(testDataPath, 'raster.tif')

        with tempfile.TemporaryDirectory() as outdir:
            outsource = outdir + '/out.tif'
            alg = pansharp()
            alg.initAlgorithm()

            # defaults
            self.assertEqual(
                alg.getConsoleCommands({'SPECTRAL': spectral,
                                        'PANCHROMATIC': panchrom,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_pansharpen.py',
                 panchrom + ' ' +
                 spectral + ' ' +
                 outsource + ' ' +
                 '-r cubic -of GTiff'
                 ])

            # custom resampling
            self.assertEqual(
                alg.getConsoleCommands({'SPECTRAL': spectral,
                                        'PANCHROMATIC': panchrom,
                                        'RESAMPLING': 4,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_pansharpen.py',
                 panchrom + ' ' +
                 spectral + ' ' +
                 outsource + ' ' +
                 '-r lanczos -of GTiff'
                 ])

            # additional parameters
            self.assertEqual(
                alg.getConsoleCommands({'SPECTRAL': spectral,
                                        'PANCHROMATIC': panchrom,
                                        'EXTRA': '-bitdepth 12 -threads ALL_CPUS',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_pansharpen.py',
                 panchrom + ' ' +
                 spectral + ' ' +
                 outsource + ' ' +
                 '-r cubic -of GTiff -bitdepth 12 -threads ALL_CPUS'
                 ])

    def testGdalViewshed(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        dem = os.path.join(testDataPath, 'dem.tif')

        with tempfile.TemporaryDirectory() as outdir:
            outsource = outdir + '/out.tif'
            alg = viewshed()
            alg.initAlgorithm()

            # defaults
            self.assertEqual(
                alg.getConsoleCommands({'INPUT': dem,
                                        'BAND': 1,
                                        'OBSERVER': '18.67274,45.80599',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_viewshed',
                 '-b 1 -ox 18.67274 -oy 45.80599 -oz 1.0 -tz 1.0 -md 100.0 -f GTiff ' +
                 dem + ' ' + outsource
                 ])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': dem,
                                        'BAND': 2,
                                        'OBSERVER': '18.67274,45.80599',
                                        'OBSERVER_HEIGHT': 1.8,
                                        'TARGET_HEIGHT': 20,
                                        'MAX_DISTANCE': 1000,
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_viewshed',
                 '-b 2 -ox 18.67274 -oy 45.80599 -oz 1.8 -tz 20.0 -md 1000.0 -f GTiff ' +
                 dem + ' ' + outsource
                 ])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': dem,
                                        'BAND': 1,
                                        'OBSERVER': '18.67274,45.80599',
                                        'EXTRA': '-a_nodata=-9999 -cc 0.2',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_viewshed',
                 '-b 1 -ox 18.67274 -oy 45.80599 -oz 1.0 -tz 1.0 -md 100.0 -f GTiff ' +
                 '-a_nodata=-9999 -cc 0.2 ' + dem + ' ' + outsource
                 ])

            self.assertEqual(
                alg.getConsoleCommands({'INPUT': dem,
                                        'BAND': 1,
                                        'OBSERVER': '18.67274,45.80599',
                                        'OPTIONS': 'COMPRESS=DEFLATE|PREDICTOR=2|ZLEVEL=9',
                                        'OUTPUT': outsource}, context, feedback),
                ['gdal_viewshed',
                 '-b 1 -ox 18.67274 -oy 45.80599 -oz 1.0 -tz 1.0 -md 100.0 -f GTiff ' +
                 '-co COMPRESS=DEFLATE -co PREDICTOR=2 -co ZLEVEL=9 ' + dem + ' ' + outsource
                 ])

    def testBuildVrt(self):
        context = QgsProcessingContext()
        feedback = QgsProcessingFeedback()
        source = os.path.join(testDataPath, 'dem.tif')
        alg = buildvrt()
        alg.initAlgorithm()

        with tempfile.TemporaryDirectory() as outdir:
            # defaults
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])
            # custom resolution
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'RESOLUTION': 2,
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution lowest -separate -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])
            # single layer
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'SEPARATE': False,
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])
            # projection difference
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'PROJ_DIFFERENCE': True,
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -allow_projection_difference -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])
            # add alpha band
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'ADD_ALPHA': True,
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -addalpha -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])
            # assign CRS
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'ASSIGN_CRS': 'EPSG:3111',
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -a_srs EPSG:3111 -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])

            custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'ASSIGN_CRS': custom_crs,
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -a_srs EPSG:20936 -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])
            # source NODATA
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'SRC_NODATA': '-9999',
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -r nearest -srcnodata "-9999" ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])

            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'SRC_NODATA': '-9999 9999',
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -r nearest -srcnodata "-9999 9999" ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])

            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'SRC_NODATA': '',
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -r nearest ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])
            # additional parameters
            cmd = alg.getConsoleCommands({'INPUT': [source],
                                          'EXTRA': '-overwrite -optim RASTER -vrtnodata -9999',
                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
            t = cmd[1]
            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
            self.assertEqual(cmd,
                             ['gdalbuildvrt',
                              '-resolution average -separate -r nearest -overwrite -optim RASTER -vrtnodata -9999 ' +
                              '-input_file_list buildvrtInputFiles.txt ' +
                              outdir + '/check.vrt'])


if __name__ == '__main__':
    nose2.main()
