def test_GdalImageReader_usable(): """ Test that GdalImageReader class reports as usable when GDAL is importable. """ # Mock module value of ``osgeo`` to something not None to simulate # something having been imported. with mock.patch.dict('smqtk_image_io.impls.image_reader.gdal_io.__dict__', {'osgeo': object()}): assert GdalImageReader.is_usable() is True
def test_GdalImageReader_not_usable_missing_osgeo(): """ Test that class reports as not usable when GDAL is not importable (set to None in module). """ # Catch expected warnings to not pollute output. with warnings.catch_warnings(): warnings.filterwarnings('ignore', category=UserWarning) # Mock module value of ``osgeo`` to None. with mock.patch.dict( 'smqtk_image_io.impls.image_reader.gdal_io.__dict__', {'osgeo': None}): assert GdalImageReader.is_usable() is False
""" Test that class reports as not usable when GDAL is not importable (set to None in module). """ # Catch expected warnings to not pollute output. with warnings.catch_warnings(): warnings.filterwarnings('ignore', category=UserWarning) # Mock module value of ``osgeo`` to None. with mock.patch.dict( 'smqtk_image_io.impls.image_reader.gdal_io.__dict__', {'osgeo': None}): assert GdalImageReader.is_usable() is False @pytest.mark.skipif(not GdalImageReader.is_usable(), reason="GdalImageReader implementation is not usable in " "the current environment.") class TestGdalImageReader(unittest.TestCase): """ Tests for ``GdalImageReader`` class. If this was not skipped, ``osgeo`` must have been importable. """ def test_init_default(self): """ Test that construction with default parameters works. """ GdalImageReader() def test_init_bad_load_method(self):