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from unittest import mock, TestCase
import gdal2tiles
class AttrDict(dict):
def __init__(self, *args, **kwargs):
super(AttrDict, self).__init__(*args, **kwargs)
self.__dict__ = self
class SetupInputSrsTest(TestCase):
def setUp(self):
self.DEFAULT_OPTIONS = {
's_srs': None,
}
self.DEFAULT_ATTRDICT_OPTIONS = AttrDict(self.DEFAULT_OPTIONS)
self.nodata_in_input = [1, 2, 3, 4]
self.RASTER_COUNT = 4
self.mock_dataset = mock.MagicMock()
self.mock_dataset.GetRasterBand().GetNoDataValue = mock.MagicMock(
side_effect=self.nodata_in_input)
@mock.patch('gdal2tiles.osr')
def test_reads_values_from_input_dataset_with_projection_when_no_options(self, mock_osr):
expected_srs = mock.MagicMock()
expected_wkt = "expected_wkt"
self.mock_dataset.GetProjection = mock.MagicMock(return_value=expected_wkt)
mock_osr.SpatialReference = mock.MagicMock(return_value=expected_srs)
input_srs, input_srs_wkt = gdal2tiles.setup_input_srs(
self.mock_dataset, self.DEFAULT_ATTRDICT_OPTIONS)
self.assertEqual(input_srs, expected_srs)
self.assertEqual(input_srs_wkt, expected_wkt)
mock_osr.SpatialReference().ImportFromWkt.assert_called_with(expected_wkt)
@mock.patch('gdal2tiles.osr')
def test_reads_values_from_input_dataset_wout_projection_with_gcps_when_no_options(self,
mock_osr):
expected_wkt = "expected_wkt"
expected_srs = mock.MagicMock()
self.mock_dataset.GetProjection = mock.MagicMock(return_value=None)
self.mock_dataset.GetGCPCount = mock.MagicMock(return_value=1)
self.mock_dataset.GetGCPProjection = mock.MagicMock(return_value=expected_wkt)
mock_osr.SpatialReference = mock.MagicMock(return_value=expected_srs)
input_srs, input_srs_wkt = gdal2tiles.setup_input_srs(
self.mock_dataset, self.DEFAULT_ATTRDICT_OPTIONS)
self.assertEqual(input_srs, expected_srs)
self.assertEqual(input_srs_wkt, expected_wkt)
mock_osr.SpatialReference().ImportFromWkt.assert_called_with(expected_wkt)
# def test_reads_values_from_input_dataset_with_neither_project_nor_gcps(self):
@mock.patch('gdal2tiles.osr')
def test_uses_the_passed_arguments_in_priority(self, mock_osr):
option_srs = "o_srs"
self.DEFAULT_ATTRDICT_OPTIONS['s_srs'] = option_srs
expected_srs = mock.MagicMock()
expected_wkt = "expected_wkt"
mock_osr.SpatialReference = mock.MagicMock(return_value=expected_srs)
mock_osr.SpatialReference().ExportToWkt = mock.MagicMock(return_value=expected_wkt)
input_srs, input_srs_wkt = gdal2tiles.setup_input_srs(
self.mock_dataset, self.DEFAULT_ATTRDICT_OPTIONS)
self.assertEqual(input_srs, expected_srs)
self.assertEqual(input_srs_wkt, expected_wkt)
mock_osr.SpatialReference().SetFromUserInput.assert_called_with(option_srs)
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