def test_aws_file_path(self):
        # PRE        s3://landsat-pds/L8/139/045/LC81390452014295LGN00/
        # non-PRE s3://landsat-pds/c1/L8/139/045/LC08_L1TP_139045_20170304_20170316_01_T1/
        metadataservice = MetadataService()
        start_date = datetime.datetime.strptime('14295', '%y%j').date()
        landsat_filters = LandsatQueryFilters()
        landsat_filters.wrs_path.set_value(139)
        landsat_filters.wrs_row.set_value(45)
        landsat_filters.acquired.set_range(start_date, True, start_date, True)
        landsat_filters.collection_number.set_value("PRE")
        rows = metadataservice.search(SpacecraftID.LANDSAT_8,
                                      data_filters=landsat_filters)

        # turn gernator into list
        metadata_set = list(rows)
        self.assertEqual(len(metadata_set), 1)
        metadata = metadata_set[0]
        self.assertEqual(metadata.get_aws_file_path(), "/imagery/L8/139/045/LC81390452014295LGN00")

        landsat_filters = LandsatQueryFilters()
        landsat_filters.wrs_path.set_value(139)
        landsat_filters.wrs_row.set_value(45)
        # landsat_filters.collection_number.set_exclude_value("PRE")
        landsat_filters.acquired.set_range(start=date(2017, 3, 4), end=date(2017, 3, 4))
        rows = metadataservice.search(SpacecraftID.LANDSAT_8,
                                      data_filters=landsat_filters)
        metadata_set = list(rows)
        self.assertEqual(len(metadata_set), 2)
        metadata = metadata_set[0]
        self.assertEqual(metadata.get_aws_file_path(),
                         "/imagery/c1/L8/139/045/LC08_L1TP_139045_20170304_20170316_01_T1")

        metadata = metadata_set[1]
        self.assertEqual(metadata.get_aws_file_path(),
                         "/imagery/L8/139/045/LC81390452017063LGN00")
    def test_cloud_cover(self):
        metadata_service = MetadataService()
        landsat_filters = LandsatQueryFilters()
        landsat_filters.cloud_cover.set_value(0)
        # landsat_filters.scene_id.set_value("LC80390332016208LGN00")
        # sql_filters = ['cloud_cover=0']
        d_start = date(2015, 6, 24)
        d_end = date(2016, 6, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999,
                        44.84029065139799)
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       data_filters=landsat_filters)

        rows = list(rows)

        self.assertEqual(len(rows), 10)
        for row in rows:
            self.assertEqual(row.spacecraft_id.name,
                             SpacecraftID.LANDSAT_8.name)
            d_actual = datetime.datetime.strptime(row.date_acquired,
                                                  '%Y-%m-%d').date()
            self.assertLessEqual(d_actual, d_end)
            self.assertGreaterEqual(d_actual, d_start)
            test_box = row.bounds
            self.assertTrue(
                (bounding_box[0] < test_box[2] < bounding_box[2])
                or (bounding_box[0] < test_box[0] < bounding_box[2]))
            self.assertTrue(
                (bounding_box[1] < test_box[3] < bounding_box[3])
                or (bounding_box[1] < test_box[1] < bounding_box[3]))
    def test_end_date(self):
        r = requests.get(
            "https://raw.githubusercontent.com/johan/world.geo.json/master/countries/BEL.geo.json"
        )

        area_geom = r.json()
        area_shape = shapely.geometry.shape(
            area_geom['features'][0]['geometry'])
        # gs://gcp-public-data-landsat/LC08/PRE/044/034/LC80440342016259LGN00/
        metadata_service = MetadataService()
        d = date(2016, 6, 24)
        landsat_filter = LandsatQueryFilters()
        landsat_filter.acquired.set_range(end=d, end_inclusive=True)
        landsat_filter.acquired.sort_by(epl_imagery_pb2.DESCENDING)
        landsat_filter.aoi.set_bounds(*area_shape.bounds)
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       data_filters=landsat_filter)
        rows = list(rows)
        self.assertEqual(len(rows), 10)
        d_previous = d
        for row in rows:
            self.assertEqual(row.spacecraft_id.name,
                             SpacecraftID.LANDSAT_8.name)
            d_actual = datetime.datetime.strptime(row.date_acquired,
                                                  '%Y-%m-%d').date()
            self.assertLessEqual(d_actual, d_previous)

            d_previous = d_actual
    def test_start_date(self):
        # gs://gcp-public-data-landsat/LC08/PRE/044/034/LC80440342016259LGN00/
        metadata_service = MetadataService()
        d = date(2016, 6, 24)
        landsat_filters = LandsatQueryFilters()
        landsat_filters.acquired.set_range(d, True)
        landsat_filters.wrs_path.set_value(125)
        landsat_filters.wrs_row.set_value(49)
        landsat_filters.acquired.sort_by(epl_imagery_pb2.ASCENDING)
        landsat_filters.acquired.set_range(end=d, end_inclusive=True)
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       data_filters=landsat_filters)
        rows = list(rows)
        self.assertEqual(len(rows), 10)
        d_previous = datetime.datetime.strptime("1945-01-01",
                                                '%Y-%m-%d').date()
        for row in rows:
            self.assertEqual(row.spacecraft_id.name,
                             SpacecraftID.LANDSAT_8.name)
            d_actual = datetime.datetime.strptime(row.date_acquired,
                                                  '%Y-%m-%d').date()

            # test Order by
            self.assertGreaterEqual(d_actual, d_previous)
            d_previous = d_actual
    def test_polygon_boundary(self):
        d_start = date(2017, 3, 12)  # 2017-03-12
        d_end = date(2017, 3, 19)  # 2017-03-20, epl api is inclusive

        r = requests.get(
            "https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/NM/Taos.geo.json"
        )
        taos_geom = r.json()
        taos_shape = shapely.geometry.shape(
            taos_geom['features'][0]['geometry'])
        metadata_service = MetadataService()

        landsat_filters = LandsatQueryFilters()
        landsat_filters.collection_number.set_value("PRE")
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_geometry(taos_shape.wkb)
        # landsat_filters.geometry_bag.geometry_binaries.append(taos_shape.wkb)

        metadata_rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                                limit=10,
                                                data_filters=landsat_filters)

        # mounted directory in docker container
        metadata_set = []

        for row in metadata_rows:
            metadata_set.append(row)

        self.assertEqual(len(metadata_set), 2)
    def setUp(self):
        metadata_service = MetadataService()
        d_start = date(2015, 6, 24)
        d_end = date(2016, 6, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
        landsat_filters = LandsatQueryFilters()
        landsat_filters.scene_id.set_value("LC80400312016103LGN00")
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       limit=1,
                                       data_filters=landsat_filters)
        rows = list(rows)
        self.m_row_data = rows[0]
        wkt_iowa = "POLYGON((-93.76075744628906 42.32707774458643,-93.47854614257812 42.32707774458643," \
                   "-93.47854614257812 42.12674735753131,-93.76075744628906 42.12674735753131," \
                   "-93.76075744628906 42.32707774458643))"
        self.iowa_polygon = loads(wkt_iowa)
        gdal.SetConfigOption('GDAL_VRT_ENABLE_PYTHON', "YES")

        d_start = date(2017, 3, 12)  # 2017-03-12
        d_end = date(2017, 3, 19)  # 2017-03-20, epl api is inclusive

        landsat_filters = LandsatQueryFilters()
        landsat_filters.collection_number.set_exclude_value("PRE")
        landsat_filters.acquired.set_range(start=d_start, end=d_end)
        landsat_filters.aoi.set_bounds(*self.taos_shape.bounds)
        landsat_filters.data_type.set_exclude_value('L1GT')
        rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_8,
            limit=10,
            data_filters=landsat_filters)

        for row in rows:
            self.metadata_set.append(row)
    def test_metatdata_file_list(self):
        wkt = "POLYGON((136.2469482421875 -27.57843813308233,138.6639404296875 -27.57843813308233," \
              "138.6639404296875 -29.82351878748485,136.2469482421875 -29.82351878748485,136." \
              "2469482421875 -27.57843813308233))"

        polygon = loads(wkt)

        metadata_service = MetadataService()
        # sql_filters = ['cloud_cover=0']
        d_start = date(2006, 8, 4)
        d_end = date(2006, 8, 5)
        bounding_box = polygon.bounds
        # sql_filters = ['wrs_row=79']
        landsat_filters = LandsatQueryFilters()
        # landsat_filters.wrs_path.set_value(125)
        landsat_filters.wrs_row.set_value(79)
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = metadata_service.search(
            SpacecraftID.LANDSAT_5,
            data_filters=landsat_filters)

        rows = list(rows)

        metadata = rows[0]
        self.assertEqual(len(metadata.get_file_list()), 0)
 def test_scene_id(self):
     landsat_filters = LandsatQueryFilters()
     landsat_filters.scene_id.set_value("LC80390332016208LGN00")
     metadata_service = MetadataService()
     rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                    data_filters=landsat_filters)
     rows = list(rows)
     self.assertEqual(len(rows), 1)
    def test_where_start(self):
        # sql_filters = ['scene_id="LC80270312016188LGN00"']
        landsat_filters = LandsatQueryFilters()
        landsat_filters.scene_id.set_value("LC80270312016188LGN00")
        metadata_service = MetadataService()
        metadata_rows = metadata_service.search(
            SpacecraftID.UNKNOWN_SPACECRAFT, data_filters=landsat_filters)

        metadata_set = list(metadata_rows)
        self.assertEqual(1, len(metadata_set))
 def test_delete_storage(self):
     metadata_service = MetadataService()
     d_start = date(2015, 6, 24)
     d_end = date(2016, 6, 24)
     bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
     landsat_filters = LandsatQueryFilters()
     landsat_filters.acquired.set_range(d_start, True, d_end, True)
     landsat_filters.aoi.set_bounds(*bounding_box)
     rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                    data_filters=landsat_filters,
                                    limit=1)
     rows = list(rows)
     metadata = rows[0]
    def test_all_sat_data(self):
        metadata_service = MetadataService()
        landsat_filters = LandsatQueryFilters()
        landsat_filters.cloud_cover.set_value(0)
        d_start = date(2004, 6, 24)
        d_end = date(2008, 6, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -114.31054687499999, 35.84029065139799)
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = metadata_service.search(
            data_filters=landsat_filters)
        rows = list(rows)
        first_item = rows[0]
        self.assertEqual(len(rows), 10)

        rows = metadata_service.search(
            satellite_id=SpacecraftID.UNKNOWN_SPACECRAFT,
            data_filters=landsat_filters)

        rows = list(rows)
        other_item = rows[0]
        self.assertEqual(len(rows), 10)

        self.assertEqual(first_item.scene_id, other_item.scene_id)
Example #12
0
    def test_alaskan_aleutians(self):
        # wkt = "MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)), ((-172 53, 175 53, 175 48, -172 48, -172 53)), ((20 35, 45 20, 30 5, 10 10, 10 30, 20 35), (30 20, 20 25, 20 15, 30 20)))"
        wkt = "POLYGON((-172 53, 175 53, 175 48, -172 48, -172 53))"
        islands_shape = loads(wkt)
        self.assertFalse(islands_shape.exterior.is_ccw)
        query_filter = LandsatQueryFilters()
        query_filter.aoi.set_geometry(islands_shape.wkb)
        # query_filter.geometry_bag.geometry_binaries.append(islands_shape.wkb)
        metadata_service = MetadataService()
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       limit=10,
                                       data_filters=query_filter)

        stuff = list(rows)
        self.assertEqual(10, len(stuff))
    def test_no_bounding_box(self):
        d_start = date(2003, 4, 4)
        d_end = date(2003, 4, 7)

        landsat_filters = LandsatQueryFilters()
        landsat_filters.wrs_path.set_value(125)
        landsat_filters.wrs_row.set_value(49)

        # sql_filters = ['wrs_row=49', 'wrs_path=125']
        metadata_service = MetadataService()
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        rows = metadata_service.search(
            satellite_id=None,
            data_filters=landsat_filters)
        rows = list(rows)
        self.assertEqual(len(rows), 3)
Example #14
0
 def test_one_day(self):
     # gs://gcp-public-data-landsat/LC08/PRE/044/034/LC80440342016259LGN00/
     metadata_service = MetadataService()
     d = date(2016, 6, 24)
     landsat_filter = LandsatQueryFilters()
     landsat_filter.acquired.set_value(d)
     rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                    data_filters=landsat_filter)
     rows = list(rows)
     self.assertEqual(len(rows), 10)
     for row in rows:
         self.assertEqual(row.spacecraft_id.name,
                          SpacecraftID.LANDSAT_8.name)
         d_actual = datetime.datetime.strptime(row.date_acquired,
                                               '%Y-%m-%d').date()
         self.assertEqual(d_actual, d)
 def test_google_aws_mismatch(self):
     metadata_service = MetadataService()
     d_start = date(2017, 6, 24)
     d_end = date(2017, 9, 24)
     bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
     landsat_filters = LandsatQueryFilters()
     landsat_filters.collection_number.set_exclude_value("PRE")
     landsat_filters.acquired.set_range(start=d_start, end=d_end)
     landsat_filters.aoi.set_bounds(*bounding_box)
     rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                    limit=2,
                                    data_filters=landsat_filters)
     # generator to list
     rows = list(rows)
     metadata = rows[0]
     # self.assertEqual('LC08_L1GT_135215_20170916_20170916_01_RT', metadata.product_id)
     self.assertEqual('RT', metadata.collection_category)
 def test_get_file(self):
     d_start = date(2015, 6, 24)
     d_end = date(2016, 6, 24)
     bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
     landsat_filters = LandsatQueryFilters()
     landsat_filters.acquired.set_range(d_start, True, d_end, True)
     landsat_filters.aoi.set_bounds(*bounding_box)
     metadata_service = MetadataService()
     rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                    data_filters=landsat_filters,
                                    limit=1)
     rows = list(rows)
     metadata = rows[0]
     landsat = Landsat(metadata)
     self.assertIsNotNone(landsat)
     vrt = landsat.get_vrt([4, 3, 2])
     self.assertIsNotNone(vrt)
     dataset = landsat.get_dataset([4, 3, 2], DataType.UINT16)
     self.assertIsNotNone(dataset)
    def test_metadata_extent(self):
        r = requests.get("https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/NM/Taos.geo.json")
        taos_geom = r.json()
        print(taos_geom)

        taos_shape = shapely.geometry.shape(taos_geom['features'][0]['geometry'])

        metadata_service = MetadataService()
        # sql_filters = ['scene_id="LC80330342017072LGN00"', 'collection_number="PRE"']
        landsat_filters = LandsatQueryFilters()
        landsat_filters.scene_id.set_value("LC80330342017072LGN00")
        landsat_filters.collection_number.set_value("PRE")
        rows = metadata_service.search(
            SpacecraftID.LANDSAT_8,
            data_filters=landsat_filters)
        rows = list(rows)
        self.assertEqual(len(rows), 1)

        metadata = rows[0]

        # GDAL helper functions for generating VRT
        landsat = Landsat(metadata)

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE]
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        vrt = landsat.get_vrt(band_numbers, envelope_boundary=taos_shape.bounds)

        with open('clipped_LC80330342017072LGN00.vrt', 'r') as myfile:
            data = myfile.read()
            expected = etree.XML(data)
            actual = etree.XML(vrt)
            result, message = xml_compare(expected, actual, {"GeoTransform": 1e-10, "xOff": 1e-10, "yOff": 1e-10})
            self.assertTrue(result, message)

        dataset = gdal.Open(vrt)
        geo_transform = dataset.GetGeoTransform()

        # self.assertEqual(geo_transform, raster_metadata.get_geotransform(taos_shape.bounds))
        # self.assertNotEqual(geo_transform, raster_metadata.get_geotransform())

        """
    def test_storage_create(self):
        metadata_service = MetadataService()
        d_start = date(2015, 6, 24)
        d_end = date(2016, 6, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
        landsat_filters = LandsatQueryFilters()
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       data_filters=landsat_filters,
                                       limit=1)

        rows = list(rows)

        metadata = rows[0]
        storage = Storage(metadata.bucket_name)

        metadata = rows[0]
        self.assertTrue(storage.mount_sub_folder(metadata, "generic"))
        self.assertTrue(storage.unmount_sub_folder(metadata, "generic"))
    def test_bounds(self):
        metadata_service = MetadataService()
        landsat_filters = LandsatQueryFilters()
        landsat_filters.scene_id.set_value("LC80330342017072LGN00")
        landsat_filters.collection_number.set_value("PRE")
        rows = metadata_service.search(
            SpacecraftID.LANDSAT_8,
            data_filters=landsat_filters)
        rows = list(rows)
        self.assertEqual(len(rows), 1)

        metadata = rows[0]

        bands = [Band.RED, Band.BLUE, Band.GREEN]

        band_map = BandMap(SpacecraftID.LANDSAT_8)

        raster_metadata = RasterMetadata()

        storage = Storage()
        storage.mount_sub_folder(metadata)

        for band in bands:
            band_number = band_map.get_number(band)
            raster_metadata.add_metadata(band_number, metadata)

        boundary = raster_metadata.bounds
        self.assertIsNotNone(boundary)

        r = requests.get("https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/NM/Taos.geo.json")
        taos_geom = r.json()
        taos_shape = shapely.geometry.shape(taos_geom['features'][0]['geometry'])
        clipped_raster = raster_metadata.calculate_clipped(taos_shape.bounds, pyproj.Proj(init='epsg:4326'))
        self.assertIsNotNone(clipped_raster.bounds)
        big_box = shapely.geometry.box(*boundary)
        small_box = shapely.geometry.box(*clipped_raster.bounds)
        self.assertTrue(big_box.contains(small_box))
Example #20
0
    def test_colorado(self):
        r = requests.get(
            "https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/CO/Boulder.geo.json"
        )
        boulder_geom = r.json()
        boulder_shape = shapely.geometry.shape(
            boulder_geom['features'][0]['geometry'])

        d_start = date(2017, 3, 1)  # 2017-03-12
        d_end = date(2017, 3, 19)  # epl api is inclusive

        # PRE is a collection type that specifies certain QA standards
        landsat_filter = LandsatQueryFilters()
        landsat_filter.collection_number.set_value("PRE")
        landsat_filter.acquired.set_range(d_start, True, d_end, True)
        landsat_filter.aoi.set_bounds(*boulder_shape.bounds)

        # search the satellite metadata for images of Taos withing the given date range
        metadata_service = MetadataService()
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       limit=10,
                                       data_filters=landsat_filter)

        self.assertTrue(2, len(list(rows)))
Example #21
0
    def test_belgium(self):
        r = requests.get(
            "https://raw.githubusercontent.com/johan/world.geo.json/master/countries/BEL.geo.json"
        )

        area_geom = r.json()
        area_shape = shapely.geometry.shape(
            area_geom['features'][0]['geometry'])

        d_start = date(2017, 1, 1)  # 2017-03-12
        d_end = date(2017, 5, 19)  # epl api is inclusive

        belgium_filter = LandsatQueryFilters()

        # PRE is a collection type that specifies certain QA standards
        belgium_filter.collection_number.set_value("PRE")
        belgium_filter.cloud_cover.set_range(end=15, end_inclusive=False)
        belgium_filter.acquired.set_range(start=d_start, end=d_end)
        belgium_filter.aoi.set_bounds(*area_shape.bounds)
        # search the satellite metadata for images of Belgium withing the given date range
        metadata_service = MetadataService()
        rows = metadata_service.search(SpacecraftID.LANDSAT_8,
                                       limit=20,
                                       data_filters=belgium_filter)
class TestRasterMetadata(unittest.TestCase):
    base_mount_path = '/imagery'
    metadata_service = None

    def setUp(self):
        self.metadata_service = MetadataService()

    def test_add_metadata_error(self):
        d_start = date(2015, 6, 24)
        d_end = date(2016, 6, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
        landsat_filters = LandsatQueryFilters()
        landsat_filters.data_type.set_value("L1T")
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(SpacecraftID.LANDSAT_8,
                                            limit=2,
                                            data_filters=landsat_filters)

        rows = list(rows)

        metadata_1 = rows[0]
        metadata_2 = rows[1]

        bands = [Band.RED, Band.BLUE, Band.GREEN]

        band_map = BandMap(SpacecraftID.LANDSAT_8)

        raster_metadata = RasterMetadata()

        storage = Storage()
        storage.mount_sub_folder(metadata_1)
        storage.mount_sub_folder(metadata_2)

        second = False
        for band in bands:
            band_number = band_map.get_number(band)

            if second:
                self.assertRaises(Exception, lambda: raster_metadata.add_metadata(band_number, metadata_2))
            raster_metadata.add_metadata(band_number, metadata_1)
            second = True

    # @unittest.skip("changed how bounds are queried")
    def test_bounds(self):
        metadata_service = MetadataService()
        landsat_filters = LandsatQueryFilters()
        landsat_filters.scene_id.set_value("LC80330342017072LGN00")
        landsat_filters.collection_number.set_value("PRE")
        rows = metadata_service.search(
            SpacecraftID.LANDSAT_8,
            data_filters=landsat_filters)
        rows = list(rows)
        self.assertEqual(len(rows), 1)

        metadata = rows[0]

        bands = [Band.RED, Band.BLUE, Band.GREEN]

        band_map = BandMap(SpacecraftID.LANDSAT_8)

        raster_metadata = RasterMetadata()

        storage = Storage()
        storage.mount_sub_folder(metadata)

        for band in bands:
            band_number = band_map.get_number(band)
            raster_metadata.add_metadata(band_number, metadata)

        boundary = raster_metadata.bounds
        self.assertIsNotNone(boundary)

        r = requests.get("https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/NM/Taos.geo.json")
        taos_geom = r.json()
        taos_shape = shapely.geometry.shape(taos_geom['features'][0]['geometry'])
        clipped_raster = raster_metadata.calculate_clipped(taos_shape.bounds, pyproj.Proj(init='epsg:4326'))
        self.assertIsNotNone(clipped_raster.bounds)
        big_box = shapely.geometry.box(*boundary)
        small_box = shapely.geometry.box(*clipped_raster.bounds)
        self.assertTrue(big_box.contains(small_box))

    def test_metadata_extent(self):
        r = requests.get("https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/NM/Taos.geo.json")
        taos_geom = r.json()
        print(taos_geom)

        taos_shape = shapely.geometry.shape(taos_geom['features'][0]['geometry'])

        metadata_service = MetadataService()
        # sql_filters = ['scene_id="LC80330342017072LGN00"', 'collection_number="PRE"']
        landsat_filters = LandsatQueryFilters()
        landsat_filters.scene_id.set_value("LC80330342017072LGN00")
        landsat_filters.collection_number.set_value("PRE")
        rows = metadata_service.search(
            SpacecraftID.LANDSAT_8,
            data_filters=landsat_filters)
        rows = list(rows)
        self.assertEqual(len(rows), 1)

        metadata = rows[0]

        # GDAL helper functions for generating VRT
        landsat = Landsat(metadata)

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE]
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        vrt = landsat.get_vrt(band_numbers, envelope_boundary=taos_shape.bounds)

        with open('clipped_LC80330342017072LGN00.vrt', 'r') as myfile:
            data = myfile.read()
            expected = etree.XML(data)
            actual = etree.XML(vrt)
            result, message = xml_compare(expected, actual, {"GeoTransform": 1e-10, "xOff": 1e-10, "yOff": 1e-10})
            self.assertTrue(result, message)

        dataset = gdal.Open(vrt)
        geo_transform = dataset.GetGeoTransform()

        # self.assertEqual(geo_transform, raster_metadata.get_geotransform(taos_shape.bounds))
        # self.assertNotEqual(geo_transform, raster_metadata.get_geotransform())

        """
Example #23
0
class TestLandsat(unittest.TestCase):
    base_mount_path = '/imagery'
    metadata_service = None
    metadata_set = []
    r = requests.get(
        "https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/NM/Taos.geo.json"
    )
    taos_geom = r.json()
    taos_shape = shapely.geometry.shape(taos_geom['features'][0]['geometry'])

    def setUp(self):
        d_start = date(2017, 3, 12)  # 2017-03-12
        d_end = date(2017, 3, 19)  # 2017-03-20, epl api is inclusive

        self.metadata_service = MetadataService()

        landsat_filters = LandsatQueryFilters()
        landsat_filters.collection_number.set_value("PRE")
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*self.taos_shape.bounds)
        metadata_rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_8, limit=10, data_filters=landsat_filters)

        # mounted directory in docker container
        base_mount_path = '/imagery'

        for row in metadata_rows:
            self.metadata_set.append(row)

    # TODO test PRE rejection
    # TODO test date range rejection
    # TODO test Satellite Rejection

    def test_vrt_not_pre(self):
        d_start = date(2017, 6, 24)
        d_end = date(2017, 9, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999,
                        44.84029065139799)
        # sql_filters = ['collection_number!="PRE"']
        landsat_filter = LandsatQueryFilters()
        landsat_filter.collection_number.set_exclude_value("PRE")
        landsat_filter.acquired.set_range(d_start, True, d_end, True)
        landsat_filter.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(SpacecraftID.LANDSAT_8,
                                            limit=1,
                                            data_filters=landsat_filter)

        rows = list(rows)
        metadata = rows[0]

        landsat = Landsat(metadata)
        self.assertIsNotNone(landsat)
        vrt = landsat.get_vrt([4, 3, 2])
        self.assertIsNotNone(vrt)
        dataset = landsat.get_dataset([4, 3, 2], DataType.UINT16)
        self.assertIsNotNone(dataset)

    def test_pixel_function_vrt_1(self):
        utah_box = (-112.66342163085938, 37.738141282210385,
                    -111.79824829101562, 38.44821130413263)
        d_start = date(2016, 7, 20)
        d_end = date(2016, 7, 28)

        landsat_filter = LandsatQueryFilters()
        landsat_filter.collection_number.set_value("PRE")
        landsat_filter.cloud_cover.set_range(
            end=5, end_inclusive=True
        )  #landsat_filter.cloud_cover.set_range_end(5, True)
        landsat_filter.acquired.set_range(d_start, True, d_end, True)
        landsat_filter.aoi.set_bounds(*utah_box)
        rows = self.metadata_service.search(SpacecraftID.LANDSAT_8,
                                            limit=10,
                                            data_filters=landsat_filter)
        rows = list(rows)
        self.assertEqual(0, len(rows))

        d_end = date(2016, 8, 28)
        landsat_filter = LandsatQueryFilters()
        landsat_filter.collection_number.set_value("PRE")
        landsat_filter.cloud_cover.set_range(
            end=5, end_inclusive=False
        )  #landsat_filter.cloud_cover.set_range_end(5, False)
        landsat_filter.acquired.set_range(
            end=d_end, end_inclusive=True
        )  #landsat_filter.acquired.set_range_end(d_end, True)
        landsat_filter.acquired.sort_by(epl_imagery_pb2.DESCENDING)
        landsat_filter.aoi.set_bounds(*utah_box)
        rows = self.metadata_service.search(SpacecraftID.LANDSAT_8,
                                            limit=10,
                                            data_filters=landsat_filter)
        rows = list(rows)
        self.assertEqual(len(rows), 10)
        #     metadata_row = ['LC80390332016208LGN00', '', 'LANDSAT_8', 'OLI_TIRS', '2016-07-26',
        # '2016-07-26T18:14:46.9465460Z', 'PRE', 'N/A', 'L1T', 39, 33, 1.69,
        # 39.96962, 37.81744, -115.27267, -112.56732, 1070517542,
        # 'gs://gcp-public-data-landsat/LC08/PRE/039/033/LC80390332016208LGN00']
        metadata = rows[0]

        # GDAL helper functions for generating VRT
        landsat = Landsat([metadata])

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [4, 3, 2]
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        nda = landsat.fetch_imagery_array(band_numbers, scale_params)

        self.assertEqual(nda.shape, (3876, 3806, 3))

    def test_band_enum(self):
        self.assertTrue(True)
        d_start = date(2016, 7, 20)
        d_end = date(2016, 7, 28)
        landsat_filter = LandsatQueryFilters()
        landsat_filter.scene_id.set_value("LC80390332016208LGN00")
        landsat_filter.acquired.set_range(d_start, True, d_end, True)
        rows = self.metadata_service.search(SpacecraftID.LANDSAT_8,
                                            limit=1,
                                            data_filters=landsat_filter)
        rows = list(rows)
        metadata = rows[0]
        landsat = Landsat(metadata)
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        # nda = landsat.__get_ndarray(band_numbers, metadata, scale_params)
        nda = landsat.fetch_imagery_array([Band.RED, Band.GREEN, Band.BLUE],
                                          scale_params,
                                          spatial_resolution_m=240)
        self.assertIsNotNone(nda)
        nda2 = landsat.fetch_imagery_array([4, 3, 2],
                                           scale_params,
                                           spatial_resolution_m=240)
        np.testing.assert_almost_equal(nda, nda2)
        # 'scene_id': 'LC80390332016208LGN00'

    def test_vrt_extent(self):
        # GDAL helper functions for generating VRT
        landsat = Landsat(self.metadata_set[0])

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE]
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        vrt = landsat.get_vrt(band_numbers,
                              envelope_boundary=self.taos_shape.bounds)

        self.assertIsNotNone(vrt)

    def test_cutline(self):
        # GDAL helper functions for generating VRT
        landsat = Landsat(self.metadata_set[0])

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE]
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        nda = landsat.fetch_imagery_array(band_numbers,
                                          scale_params,
                                          self.taos_shape.wkb,
                                          spatial_resolution_m=480)
        self.assertIsNotNone(nda)

        # TODO needs shape test

    def test_mosaic(self):
        # GDAL helper functions for generating VRT
        landsat = Landsat(self.metadata_set)

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE]
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scale_params,
            envelope_boundary=self.taos_shape.bounds)
        self.assertIsNotNone(nda)
        self.assertEqual((1804, 1295, 3), nda.shape)

        # TODO needs shape test

    def test_mosaic_cutline(self):
        # GDAL helper functions for generating VRT
        landsat = Landsat(self.metadata_set)

        # get a numpy.ndarray from bands for specified imagery
        # 'nir', 'swir1', 'swir2'
        band_numbers = [Band.NIR, Band.SWIR1, Band.SWIR2]
        scaleParams = [[0.0, 40000.0], [0.0, 40000.0], [0.0, 40000.0]]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            polygon_boundary_wkb=self.taos_shape.wkb)
        self.assertIsNotNone(nda)
        self.assertEqual((1804, 1295, 3), nda.shape)

    def test_polygon_wkb_metadata(self):
        d_start = date(2017, 3, 12)  # 2017-03-12
        d_end = date(2017, 3, 19)  # 2017-03-20, epl api is inclusive

        self.metadata_service = MetadataService()

        landsat_filters = LandsatQueryFilters()
        landsat_filters.collection_number.set_value("PRE")
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_geometry(self.taos_shape.wkb)
        # landsat_filters.geometry_bag.geometry_binaries.append(self.taos_shape.wkb)
        metadata_rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_8, limit=10, data_filters=landsat_filters)

        metadata_set = []
        for row in metadata_rows:
            metadata_set.append(row)

        landsat = Landsat(metadata_set)
        band_numbers = [Band.NIR, Band.SWIR1, Band.SWIR2]
        scaleParams = [[0.0, 40000.0], [0.0, 40000.0], [0.0, 40000.0]]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            polygon_boundary_wkb=self.taos_shape.wkb)
        self.assertIsNotNone(nda)
        self.assertEqual((1804, 1295, 3), nda.shape)

    def test_mosaic_mem_error(self):
        landsat = Landsat(self.metadata_set)

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE]
        scaleParams = [[0.0, 40000], [0.0, 40000], [0.0, 40000]]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            envelope_boundary=self.taos_shape.bounds)

        self.assertIsNotNone(nda)
        # GDAL helper functions for generating VRT
        landsat = Landsat(self.metadata_set)
        self.assertEqual((1804, 1295, 3), nda.shape)

        # get a numpy.ndarray from bands for specified imagery
        # 'nir', 'swir1', 'swir2'
        band_numbers = [Band.NIR, Band.SWIR1, Band.SWIR2]
        scaleParams = [[0.0, 40000.0], [0.0, 40000.0], [0.0, 40000.0]]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            polygon_boundary_wkb=self.taos_shape.wkb)
        self.assertIsNotNone(nda)
        self.assertEqual((1804, 1295, 3), nda.shape)

    def test_datatypes(self):
        landsat = Landsat(self.metadata_set)

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE]
        scaleParams = [[0.0, 40000], [0.0, 40000], [0.0, 40000]]

        for data_type in DataType:
            if data_type is DataType.UNKNOWN_GDAL:
                continue

            nda = landsat.fetch_imagery_array(
                band_numbers,
                scaleParams,
                envelope_boundary=self.taos_shape.bounds,
                output_type=data_type,
                spatial_resolution_m=240)
            self.assertIsNotNone(nda)
            self.assertGreaterEqual(data_type.range_max, nda.max())
            self.assertLessEqual(data_type.range_min, nda.min())

    def test_vrt_with_alpha(self):
        landsat = Landsat(self.metadata_set)

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [Band.RED, Band.GREEN, Band.BLUE, Band.ALPHA]
        scaleParams = [[0.0, 40000], [0.0, 40000], [0.0, 40000]]

        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            envelope_boundary=self.taos_shape.bounds,
            output_type=DataType.UINT16,
            spatial_resolution_m=120)
        self.assertIsNotNone(nda)

    def test_rastermetadata_cache(self):
        # GDAL helper functions for generating VRT
        landsat = Landsat(self.metadata_set)

        # get a numpy.ndarray from bands for specified imagery
        # 'nir', 'swir1', 'swir2'
        band_numbers = [Band.NIR, Band.SWIR1, Band.SWIR2]
        scaleParams = [[0.0, 40000.0], [0.0, 40000.0], [0.0, 40000.0]]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            polygon_boundary_wkb=self.taos_shape.wkb,
            spatial_resolution_m=120)
        self.assertIsNotNone(nda)
        self.assertEqual((902, 648, 3), nda.shape)

        band_numbers = [Band.RED, Band.BLUE, Band.GREEN]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            polygon_boundary_wkb=self.taos_shape.wkb,
            spatial_resolution_m=120)
        self.assertIsNotNone(nda)
        self.assertEqual((902, 648, 3), nda.shape)

        band_numbers = [Band.RED, Band.BLUE, Band.GREEN]
        nda = landsat.fetch_imagery_array(band_numbers,
                                          scaleParams,
                                          spatial_resolution_m=120)
        self.assertIsNotNone(nda)
        self.assertNotEqual((902, 648, 3), nda.shape)

    def test_two_bands(self):
        # specify the bands that approximate real color
        landsat = Landsat(self.metadata_set)
        band_numbers = [Band.RED, Band.BLUE]
        scaleParams = [[0.0, 40000.0], [0.0, 40000.0]]

        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            polygon_boundary_wkb=self.taos_shape.wkb,
            spatial_resolution_m=120)
        self.assertIsNotNone(nda)
        self.assertEqual((2, 902, 648), nda.shape)

    def test_one_band(self):
        # specify the bands that approximate real color
        landsat = Landsat(self.metadata_set)
        band_numbers = [Band.RED]
        scaleParams = [[0.0, 40000.0]]
        nda = landsat.fetch_imagery_array(
            band_numbers,
            scaleParams,
            polygon_boundary_wkb=self.taos_shape.wkb,
            spatial_resolution_m=120)
        self.assertIsNotNone(nda)
        self.assertEqual((902, 648), nda.shape)
class TestGCPLandsat(unittest.TestCase):
    base_mount_path = '/imagery'
    metadata_service = None
    metadata_set = []
    r = requests.get("https://raw.githubusercontent.com/johan/world.geo.json/master/countries/USA/NM/Taos.geo.json")
    taos_geom = r.json()
    taos_shape = shapely.geometry.shape(taos_geom['features'][0]['geometry'])

    def setUp(self):
        d_start = date(2017, 3, 12)  # 2017-03-12
        d_end = date(2017, 3, 19)  # 2017-03-20, epl api is inclusive

        self.metadata_service = MetadataService()

        landsat_filters = LandsatQueryFilters()
        landsat_filters.collection_number.set_value("PRE")
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*self.taos_shape.bounds)
        rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_8,
            limit=10,
            data_filters=landsat_filters)

        rows = list(rows)

        # mounted directory in docker container
        base_mount_path = '/imagery'

        for row in rows:
            self.metadata_set.append(row)

    def test_gdal_info(self):
        d_start = date(2015, 6, 24)
        d_end = date(2016, 6, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
        landsat_filters = LandsatQueryFilters()
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(SpacecraftID.LANDSAT_8,
                                            data_filters=landsat_filters,
                                            limit=1)
        rows = list(rows)
        metadata = rows[0]
        storage = Storage(metadata.bucket_name)

        b_mounted = storage.mount_sub_folder(metadata, "generic")
        self.assertTrue(b_mounted)
        b_deleted = storage.unmount_sub_folder(metadata, "generic")
        self.assertTrue(b_deleted)

    def test_landsat5_vrt(self):
        # 5th Place: Lake Eyre Landsat 5 Acquired August 5, 2006
        wkt = "POLYGON((136.2469482421875 -27.57843813308233,138.6639404296875 -27.57843813308233," \
              "138.6639404296875 -29.82351878748485,136.2469482421875 -29.82351878748485,136." \
              "2469482421875 -27.57843813308233))"

        polygon = loads(wkt)

        # sql_filters = ['cloud_cover=0']
        d_start = date(2006, 8, 4)
        d_end = date(2006, 8, 5)
        bounding_box = polygon.bounds
        landsat_filters = LandsatQueryFilters()
        landsat_filters.wrs_row.set_value(79)
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_5,
            data_filters=landsat_filters)

        rows = list(rows)

        self.assertEqual(len(rows), 1)

        # data structure that contains all fields from Google's Landsat BigQuery Database
        metadata = rows[0]

        # GDAL helper functions for generating VRT
        landsat = Landsat(metadata)
        vrt = landsat.get_vrt([3, 2, 1])

        with open('testlandsat5.vrt', 'r') as myfile:
            data = myfile.read()
            expected = etree.XML(data)
            actual = etree.XML(vrt)
            result, message = xml_compare(expected, actual, {"GeoTransform": 1e-10})
            self.assertTrue(result, message)

    def test_australia(self):
        # 5th Place: Lake Eyre Landsat 5 Acquired August 5, 2006
        wkt = "POLYGON((136.2469482421875 -27.57843813308233,138.6639404296875 -27.57843813308233," \
              "138.6639404296875 -29.82351878748485,136.2469482421875 -29.82351878748485,136." \
              "2469482421875 -27.57843813308233))"

        polygon = loads(wkt)

        # sql_filters = ['cloud_cover=0']
        d_start = date(2006, 8, 4)
        d_end = date(2006, 8, 7)
        bounding_box = polygon.bounds
        landsat_filters = LandsatQueryFilters()
        landsat_filters.wrs_row.set_value(79)
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_5,
            data_filters=landsat_filters)

        rows = list(rows)

        self.assertEqual(len(rows), 1)

        metadata = rows[0]
        landsat = Landsat(metadata)

        # get a numpy.ndarray from bands for specified imagery
        band_numbers = [3, 2, 1]
        scale_params = [[0.0, 65535], [0.0, 65535], [0.0, 65535]]
        # nda = landsat.__get_ndarray(band_numbers, metadata, scale_params)
        nda = landsat.fetch_imagery_array(band_numbers, scale_params)
        self.assertEqual((3581, 4046, 3), nda.shape)

    def test_unmount_destructor(self):
        wkt = "POLYGON((136.2469482421875 -27.57843813308233,138.6639404296875 -27.57843813308233," \
              "138.6639404296875 -29.82351878748485,136.2469482421875 -29.82351878748485,136." \
              "2469482421875 -27.57843813308233))"

        polygon = loads(wkt)

        # sql_filters = ['cloud_cover=0']
        d_start = date(2006, 8, 4)
        d_end = date(2006, 8, 7)
        bounding_box = polygon.bounds
        landsat_filters = LandsatQueryFilters()
        landsat_filters.wrs_row.set_value(79)
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_5,
            data_filters=landsat_filters)

        rows = list(rows)

        metadata = rows[0]
        landsat = Landsat(metadata)
        vrt = landsat.get_vrt([4])
        # storage = Storage("gcp-public-data-landsat")
        # del landsat
        # self.assertFalse(storage.is_mounted(metadata))

    def test_unmount_destructor_conflict(self):
        wkt = "POLYGON((136.2469482421875 -27.57843813308233,138.6639404296875 -27.57843813308233," \
              "138.6639404296875 -29.82351878748485,136.2469482421875 -29.82351878748485,136." \
              "2469482421875 -27.57843813308233))"

        polygon = loads(wkt)

        # sql_filters = ['cloud_cover=0']
        d_start = date(2006, 8, 4)
        d_end = date(2006, 8, 7)
        bounding_box = polygon.bounds
        # sql_filters = ['wrs_row=79']
        landsat_filters = LandsatQueryFilters()
        landsat_filters.wrs_row.set_value(79)
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(
            SpacecraftID.LANDSAT_5,
            data_filters=landsat_filters)

        rows = list(rows)

        metadata = rows[0]
        landsat = Landsat(metadata)
        vrt = landsat.get_vrt([4])
        storage = Storage("gcp-public-data-landsat")
        landsat_2 = Landsat(metadata)
        vrt = landsat_2.get_vrt([4])
        del landsat
        self.assertTrue(storage.is_mounted(metadata))

    def test_vrt(self):
        d_start = date(2015, 6, 24)
        d_end = date(2016, 6, 24)
        bounding_box = (-115.927734375, 34.52466147177172, -78.31054687499999, 44.84029065139799)
        # sql_filters = ['scene_id="LC80400312016103LGN00"']
        landsat_filters = LandsatQueryFilters()
        landsat_filters.scene_id.set_value("LC80400312016103LGN00")
        landsat_filters.acquired.set_range(d_start, True, d_end, True)
        landsat_filters.aoi.set_bounds(*bounding_box)
        rows = self.metadata_service.search(SpacecraftID.LANDSAT_8,
                                            limit=1,
                                            data_filters=landsat_filters)

        rows = list(rows)

        metadata = rows[0]
        landsat = Landsat(metadata)
        vrt = landsat.get_vrt([4, 3, 2])
        with open('test_1.vrt', 'r') as myfile:
            data = myfile.read()
            expected = etree.XML(data)
            actual = etree.XML(vrt)
            result, message = xml_compare(expected, actual)
            self.assertTrue(result, message)

        dataset = gdal.Open(vrt)
        self.assertIsNotNone(dataset)

        ds_band_1 = dataset.GetRasterBand(1)
        self.assertIsNotNone(ds_band_1)
        self.assertEqual(ds_band_1.XSize, 7631)
        ds_band_2 = dataset.GetRasterBand(2)
        self.assertIsNotNone(ds_band_2)
        self.assertEqual(ds_band_2.YSize, 7771)
        ds_band_3 = dataset.GetRasterBand(3)
        self.assertIsNotNone(ds_band_3)
        self.assertEqual(ds_band_3.YSize, 7771)