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Fix comparison of GDAL crs arguments to expected on proj 6+

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@nyalldawson
nyalldawson committed Feb 8, 2021
1 parent 988ad72 commit 0db5fabd05da9148ab14466c201e6b2a45ca5065
Unified Split
Showing with 27 additions and 15 deletions.
  1. +27 −15 python/plugins/processing/tests/GdalAlgorithmsRasterTest.py
42 python/plugins/processing/tests/GdalAlgorithmsRasterTest.py
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@@ -30,7 +30,9 @@
QgsProcessingFeedback,
QgsRectangle,
QgsRasterLayer,
QgsProject)
QgsProject,
QgsProjUtils,
QgsCoordinateReferenceSystem)

from qgis.testing import (start_app,
unittest)
@@ -94,6 +96,15 @@ def tearDownClass(cls):
def test_definition_file(self):
return 'gdal_algorithm_raster_tests.yaml'

@staticmethod
def get_param_value_and_expected_string_for_custom_crs(proj_def):
crs = QgsCoordinateReferenceSystem.fromProj(proj_def)
custom_crs = f'proj4: {proj_def}'
if QgsProjUtils.projVersionMajor() >= 6:
return custom_crs, crs.toWkt(QgsCoordinateReferenceSystem.WKT_PREFERRED_GDAL).replace('"', '"""')
else:
return custom_crs, proj_def

def testAssignProjection(self):
context = QgsProcessingContext()
feedback = QgsProcessingFeedback()
@@ -119,12 +130,13 @@ def testAssignProjection(self):
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'
custom_crs, expected_crs_string = self.get_param_value_and_expected_string_for_custom_crs(
'+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" ' +
f'-a_srs "{expected_crs_string}" ' +
source])

# with non-EPSG crs code
@@ -250,13 +262,13 @@ def testGdalTranslate(self):
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'
custom_crs, expected_crs_string = self.get_param_value_and_expected_string_for_custom_crs('+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" ' +
f'-a_srs "{expected_crs_string}" ' +
'-of JPEG ' +
source + ' ' +
outdir + '/check.jpg'])
@@ -612,13 +624,13 @@ def testGdal2Tiles(self):
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'
custom_crs, expected_crs_string = self.get_param_value_and_expected_string_for_custom_crs('+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" ' +
f'-p mercator -w all -r average -s "{expected_crs_string}" ' +
source + ' ' +
outdir + '/'])

@@ -791,13 +803,13 @@ def testGdalTindex(self):
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'
custom_crs, expected_crs_string = self.get_param_value_and_expected_string_for_custom_crs('+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(f'-tileindex location -t_srs "{expected_crs_string}" -f "ESRI Shapefile" ' + outdir + '/test.shp', commands[1])
self.assertIn('--optfile ', commands[1])

# with non-EPSG crs code
@@ -1688,13 +1700,13 @@ def testRetile(self):
])

# 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'
custom_crs, expected_crs_string = self.get_param_value_and_expected_string_for_custom_crs('+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)
f'-ps 256 256 -overlap 0 -levels 1 -s_srs "{expected_crs_string}" -r near -ot Float32 -targetDir {outdir} {source}'
])

# with non-EPSG crs code
@@ -1798,19 +1810,19 @@ def testWarp(self):
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'
custom_crs, expected_crs_string = self.get_param_value_and_expected_string_for_custom_crs('+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 ' +
f'-s_srs "{expected_crs_string}" -t_srs "{expected_crs_string}" -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'
custom_crs2, expected_crs_string2 = self.get_param_value_and_expected_string_for_custom_crs('+proj=longlat +a=6378388 +b=6356912 +no_defs')
self.assertEqual(
alg.getConsoleCommands({'INPUT': source,
'SOURCE_CRS': custom_crs2,
@@ -1819,7 +1831,7 @@ def testWarp(self):
'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 ' +
f'-s_srs "{expected_crs_string2}" -t_srs "{expected_crs_string2}" -r near -te 18.67 45.78 18.7 45.81 -te_srs "{expected_crs_string2}" -of GTiff ' +
source + ' ' +
outdir + '/check.tif'])

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