Example #1
0
class ProjectedExtentSchemaTest(BaseTestClass):
    projected_extents = [
        {'epsg': 2004, 'extent': {'xmax': 1.0, 'xmin': 0.0, 'ymax': 1.0, 'ymin': 0.0}, 'proj4': None},
        {'epsg': 2004, 'extent': {'xmax': 3.0, 'xmin': 1.0, 'ymax': 4.0, 'ymin': 2.0}, 'proj4': None},
        {'epsg': 2004, 'extent': {'xmax': 7.0, 'xmin': 5.0, 'ymax': 8.0, 'ymin': 6.0}, 'proj4': None}]

    sc = BaseTestClass.geopysc.pysc._jsc.sc()
    ew = BaseTestClass.geopysc.pysc._jvm.geopyspark.geotrellis.tests.schemas.ProjectedExtentWrapper

    tup = ew.testOut(sc)
    java_rdd = tup._1()
    ser = AvroSerializer(tup._2())

    rdd = RDD(java_rdd, BaseTestClass.geopysc.pysc, AutoBatchedSerializer(ser))
    collected = rdd.collect()

    @pytest.fixture(autouse=True)
    def tearDown(self):
        yield
        BaseTestClass.geopysc.pysc._gateway.close()

    def result_checker(self, actual_pe, expected_pe):
        for actual, expected in zip(actual_pe, expected_pe):
            self.assertDictEqual(actual, expected)

    def test_encoded_pextents(self):
        encoded = self.rdd.map(lambda s: s)
        actual_encoded = encoded.collect()

        self.result_checker(actual_encoded, self.projected_extents)

    def test_decoded_pextents(self):
        self.result_checker(self.collected, self.projected_extents)
Example #2
0
class SpatialKeySchemaTest(BaseTestClass):
    expected_keys = {'col': 7, 'row': 3}

    sc = BaseTestClass.geopysc.pysc._jsc.sc()
    ew = BaseTestClass.geopysc.pysc._jvm.geopyspark.geotrellis.tests.schemas.SpatialKeyWrapper

    tup = ew.testOut(sc)
    java_rdd = tup._1()
    ser = AvroSerializer(tup._2())

    rdd = RDD(java_rdd, BaseTestClass.geopysc.pysc, AutoBatchedSerializer(ser))
    collected = rdd.first()

    @pytest.fixture(autouse=True)
    def tearDown(self):
        yield
        BaseTestClass.geopysc.pysc._gateway.close()

    def result_checker(self, actual_keys, expected_keys):
        self.assertDictEqual(actual_keys, expected_keys)

    def test_encoded_keyss(self):
        encoded = self.rdd.map(lambda s: s)
        actual_encoded = encoded.first()

        self.result_checker(actual_encoded, self.expected_keys)

    def test_decoded_extents(self):
        self.assertDictEqual(self.collected, self.expected_keys)
Example #3
0
class ByteTileSchemaTest(BaseTestClass):
    tiles = [
        {'data': np.array([0, 0, 1, 1]).reshape(2, 2), 'no_data_value': -128},
        {'data': np.array([1, 2, 3, 4]).reshape(2, 2), 'no_data_value': -128},
        {'data': np.array([5, 6, 7, 8]).reshape(2, 2), 'no_data_value': -128}
    ]

    sc = BaseTestClass.geopysc.pysc._jsc.sc()
    tw = BaseTestClass.geopysc.pysc._jvm.geopyspark.geotrellis.tests.schemas.ByteArrayTileWrapper

    tup = tw.testOut(sc)
    java_rdd = tup._1()
    ser = AvroSerializer(tup._2(), AvroRegistry.tile_decoder, AvroRegistry.tile_encoder)

    rdd = RDD(java_rdd, BaseTestClass.geopysc.pysc, AutoBatchedSerializer(ser))
    collected = rdd.collect()

    def test_encoded_tiles(self):
        encoded = self.rdd.map(lambda s: AvroRegistry.tile_encoder(s))
        actual_encoded = encoded.collect()

        expected_encoded = [
            {'bands': [{'cols': 2, 'rows': 2, 'cells': bytearray([0, 0, 1, 1]), 'noDataValue': -128}]},
            {'bands': [{'cols': 2, 'rows': 2, 'cells': bytearray([1, 2, 3, 4]), 'noDataValue': -128}]},
            {'bands': [{'cols': 2, 'rows': 2, 'cells': bytearray([5, 6, 7, 8]), 'noDataValue': -128}]}
        ]

        for actual, expected in zip(actual_encoded, expected_encoded):
            self.assertEqual(actual, expected)

    def test_decoded_tiles(self):
        for actual, expected in zip(self.collected, self.tiles):
            self.assertTrue((actual['data'] == expected['data']).all())
Example #4
0
    def create_tuple_serializer(self, schema, key_type, value_type):
        decoder = \
                self.avroregistry.create_partial_tuple_decoder(key_type=key_type,
                                                               value_type=value_type)

        encoder = \
                self.avroregistry.create_partial_tuple_encoder(key_type=key_type,
                                                               value_type=value_type)

        return AutoBatchedSerializer(AvroSerializer(schema, decoder, encoder))
class MultibandSchemaTest(BaseTestClass):
    arr = np.array(bytearray([0, 0, 1, 1])).reshape(2, 2)
    no_data = -128
    arr_dict = {'data': arr, 'no_data_value': no_data}
    band_dicts = [arr_dict, arr_dict, arr_dict]

    bands = [arr, arr, arr]
    multiband_tile = np.array(bands)
    multiband_dict = {'data': multiband_tile, 'no_data_value': no_data}

    sc = BaseTestClass.geopysc.pysc._jsc.sc()
    mw = BaseTestClass.geopysc.pysc._jvm.geopyspark.geotrellis.tests.schemas.ArrayMultibandTileWrapper

    tup = mw.testOut(sc)
    java_rdd = tup._1()

    ser = AvroSerializer(tup._2(),
                         AvroRegistry.tile_decoder,
                         AvroRegistry.tile_encoder)

    rdd = RDD(java_rdd, BaseTestClass.geopysc.pysc, AutoBatchedSerializer(ser))
    collected = rdd.collect()

    @pytest.fixture(autouse=True)
    def tearDown(self):
        yield
        BaseTestClass.geopysc.pysc._gateway.close()

    def test_encoded_multibands(self):
        encoded = self.rdd.map(lambda s: AvroRegistry.tile_encoder(s))

        actual_encoded = encoded.collect()[0]
        expected_encoded = AvroRegistry.tile_encoder(self.multiband_dict)

        for actual, expected in zip(actual_encoded['bands'], expected_encoded['bands']):
            self.assertEqual(actual, expected)

    def test_decoded_multibands(self):
        expected_multibands = [
            self.multiband_dict,
            self.multiband_dict,
            self.multiband_dict
        ]

        for actual, expected in zip(self.collected, expected_multibands):
            self.assertTrue((actual['data'] == expected['data']).all())
class ExtentSchemaTest(BaseTestClass):
    ew = BaseTestClass.geopysc._jvm.geopyspark.geotrellis.tests.schemas.ExtentWrapper

    tup = ew.testOut(BaseTestClass.geopysc.sc)
    java_rdd = tup._1()
    ser = AvroSerializer(tup._2())

    rdd = RDD(java_rdd, BaseTestClass.geopysc.pysc, AutoBatchedSerializer(ser))
    collected = rdd.collect()

    expected_extents = [{
        "xmin": 0.0,
        "ymin": 0.0,
        "xmax": 1.0,
        "ymax": 1.0
    }, {
        "xmin": 1.0,
        "ymin": 2.0,
        "xmax": 3.0,
        "ymax": 4.0
    }, {
        "xmin": 5.0,
        "ymin": 6.0,
        "xmax": 7.0,
        "ymax": 8.0
    }]

    @pytest.fixture(scope='class', autouse=True)
    def tearDown(self):
        yield
        BaseTestClass.geopysc.pysc._gateway.close()

    def result_checker(self, actual_result, expected_result):
        for actual, expected in zip(actual_result, expected_result):
            self.assertDictEqual(actual, expected)

    def test_encoded_extents(self):
        encoded = self.rdd.map(lambda s: s)
        actual_encoded = encoded.collect()

        self.result_checker(actual_encoded, self.expected_extents)

    def test_decoded_extents(self):
        self.result_checker(self.collected, self.expected_extents)
Example #7
0
class KeyValueRecordSchemaTest(unittest.TestCase):
    extents = [{
        'xmin': 0,
        'ymin': 0,
        'xmax': 1,
        'ymax': 1
    }, {
        'xmin': 1,
        'ymin': 2,
        'xmax': 3,
        'ymax': 4
    }, {
        'xmin': 5,
        'ymin': 6,
        'xmax': 7,
        'ymax': 8
    }]

    arrs = [{
        'data': np.array(bytearray([0, 1, 2, 3, 4, 5])).reshape(3, 2),
        'no_data_value': -128
    }, {
        'data': np.array(bytearray([0, 1, 2, 3, 4, 5])).reshape(2, 3),
        'no_data_value': -128
    }, {
        'data': np.array(bytearray([0, 1, 2, 3, 4, 5])).reshape(6, 1),
        'no_data_value': -128
    }]

    tuple_list = [(arrs[0], extents[0]), (arrs[1], extents[1]),
                  (arrs[2], extents[2])]

    ew = BaseTestClass.geopysc._jvm.geopyspark.geotrellis.tests.schemas.KeyValueRecordWrapper

    tup = ew.testOut(BaseTestClass.geopysc.sc)
    java_rdd = tup._1()

    ser = AvroSerializer(tup._2(), decoder, encoder)
    rdd = RDD(java_rdd, BaseTestClass.geopysc.pysc, AutoBatchedSerializer(ser))
    collected = rdd.collect()

    @pytest.fixture(autouse=True)
    def tearDown(self):
        yield
        BaseTestClass.geopysc.pysc._gateway.close()

    @pytest.mark.skipif(
        'TRAVIS' in os.environ,
        reason="Encoding using methods in Main cuases issues on Travis")
    def test_encoded_kvs(self):
        encoded = self.rdd.map(lambda s: encoder(s))
        actual_kvs = encoded.collect()

        encoded_tiles = [{
            'bands': [{
                'cells': bytearray([0, 1, 2, 3, 4, 5]),
                'rows': 3,
                'cols': 2,
                'noDataValue': -128
            }]
        }, {
            'bands': [{
                'cells': bytearray([0, 1, 2, 3, 4, 5]),
                'rows': 2,
                'cols': 3,
                'noDataValue': -128
            }]
        }, {
            'bands': [{
                'cells': bytearray([0, 1, 2, 3, 4, 5]),
                'rows': 6,
                'cols': 1,
                'noDataValue': -128
            }]
        }]
        encoded_tuples = [{
            '_1': encoded_tiles[0],
            '_2': self.extents[0]
        }, {
            '_1': encoded_tiles[1],
            '_2': self.extents[1]
        }, {
            '_1': encoded_tiles[2],
            '_2': self.extents[2]
        }]

        expected_kvs = [
            {
                'pairs': encoded_tuples
            },
            {
                'pairs': encoded_tuples
            },
        ]

        for actual, expected in zip(actual_kvs, expected_kvs):
            actual_pairs = actual['pairs']
            expected_pairs = expected['pairs']

            for a, e in zip(actual_pairs, expected_pairs):
                self.assertDictEqual(a['_2'], e['_2'])

    def test_decoded_kvs(self):
        expected_kvs = [self.tuple_list, self.tuple_list]

        for actual_tuples, expected_tuples in zip(self.collected,
                                                  expected_kvs):
            for actual, expected in zip(actual_tuples, expected_tuples):
                (actual_tile, actual_extent) = actual
                (expected_tile, expected_extent) = expected

                self.assertDictEqual(actual_extent, expected_extent)
Example #8
0
    def create_value_serializer(self, schema, value_type):
        decoder = self.avroregistry._get_decoder(value_type)
        encoder = self.avroregistry._get_encoder(value_type)

        return AvroSerializer(schema, decoder, encoder)
class TupleSchemaTest(BaseTestClass):
    extents = [{
        'xmin': 0,
        'ymin': 0,
        'xmax': 1,
        'ymax': 1
    }, {
        'xmin': 1,
        'ymin': 2,
        'xmax': 3,
        'ymax': 4
    }, {
        'xmin': 5,
        'ymin': 6,
        'xmax': 7,
        'ymax': 8
    }]

    arrs = [{
        'data': np.array([0, 1, 2, 3, 4, 5]).reshape(1, 3, 2),
        'no_data_value': -2147483648
    }, {
        'data': np.array([0, 1, 2, 3, 4, 5]).reshape(1, 2, 3),
        'no_data_value': -2147483648
    }, {
        'data': np.array([0, 1, 2, 3, 4, 5]).reshape(1, 6, 1),
        'no_data_value': -2147483648
    }]

    sc = BaseTestClass.geopysc.pysc._jsc.sc()
    ew = BaseTestClass.geopysc.pysc._jvm.geopyspark.geotrellis.tests.schemas.TupleWrapper

    tup = ew.testOut(sc)
    java_rdd = tup._1()

    ser = AvroSerializer(tup._2(), decoder, encoder)
    rdd = RDD(java_rdd, BaseTestClass.geopysc.pysc, AutoBatchedSerializer(ser))
    collected = rdd.collect()

    @pytest.mark.skipif(
        'TRAVIS' in os.environ,
        reason="Encoding using methods in Main causes issues on Travis")
    def test_encoded_tuples(self):
        s = self.rdd._jrdd_deserializer.serializer

        encoded = self.rdd.map(lambda x: encoder(x))
        actual_encoded = encoded.collect()

        expected_encoded = [{
            '_1': AvroRegistry.tile_encoder(self.arrs[0]),
            '_2': self.extents[0]
        }, {
            '_1': AvroRegistry.tile_encoder(self.arrs[1]),
            '_2': self.extents[1]
        }, {
            '_1': AvroRegistry.tile_encoder(self.arrs[2]),
            '_2': self.extents[2]
        }]

        for actual, expected in zip(actual_encoded, expected_encoded):
            self.assertDictEqual(actual, expected)

    def test_decoded_tuples(self):
        expected_tuples = [(self.arrs[0], self.extents[0]),
                           (self.arrs[1], self.extents[1]),
                           (self.arrs[2], self.extents[2])]

        for actual, expected in zip(self.collected, expected_tuples):
            (actual_tile, actual_extent) = actual
            (expected_tile, expected_extent) = expected

            self.assertTrue(
                (actual_tile['data'] == expected_tile['data']).all())
            self.assertDictEqual(actual_extent, expected_extent)