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# Copyright 2017 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import base64
import copy
import unittest
from google.cloud.bigquery import external_config
from google.cloud.bigquery import schema
class TestExternalConfig(unittest.TestCase):
SOURCE_URIS = ["gs://foo", "gs://bar"]
BASE_RESOURCE = {
"sourceFormat": "",
"sourceUris": SOURCE_URIS,
"maxBadRecords": 17,
"autodetect": True,
"ignoreUnknownValues": False,
"compression": "compression",
}
def test_from_api_repr_base(self):
resource = copy.deepcopy(self.BASE_RESOURCE)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
self.assertEqual(ec.schema, [])
self.assertIsNone(ec.options)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, self.BASE_RESOURCE)
resource = _copy_and_update(
self.BASE_RESOURCE,
{
"schema": {
"fields": [
{
"name": "full_name",
"type": "STRING",
"mode": "REQUIRED",
"description": None,
}
]
}
},
)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
exp_schema = [schema.SchemaField("full_name", "STRING", mode="REQUIRED")]
self.assertEqual(ec.schema, exp_schema)
self.assertIsNone(ec.options)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
def test_to_api_repr_base(self):
ec = external_config.ExternalConfig("")
ec.source_uris = self.SOURCE_URIS
ec.max_bad_records = 17
ec.autodetect = True
ec.ignore_unknown_values = False
ec.compression = "compression"
ec.connection_id = "path/to/connection"
ec.schema = [schema.SchemaField("full_name", "STRING", mode="REQUIRED")]
exp_schema = {
"fields": [
{
"name": "full_name",
"type": "STRING",
"mode": "REQUIRED",
"policyTags": {"names": []},
}
]
}
got_resource = ec.to_api_repr()
exp_resource = {
"sourceFormat": "",
"sourceUris": self.SOURCE_URIS,
"maxBadRecords": 17,
"autodetect": True,
"ignoreUnknownValues": False,
"compression": "compression",
"connectionId": "path/to/connection",
"schema": exp_schema,
}
self.assertEqual(got_resource, exp_resource)
def test_connection_id(self):
ec = external_config.ExternalConfig("")
self.assertIsNone(ec.connection_id)
ec.connection_id = "path/to/connection"
self.assertEqual(ec.connection_id, "path/to/connection")
def test_schema_None(self):
ec = external_config.ExternalConfig("")
ec.schema = None
got = ec.to_api_repr()
want = {"sourceFormat": "", "schema": None}
self.assertEqual(got, want)
def test_schema_empty(self):
ec = external_config.ExternalConfig("")
ec.schema = []
got = ec.to_api_repr()
want = {"sourceFormat": "", "schema": {"fields": []}}
self.assertEqual(got, want)
def _verify_base(self, ec):
self.assertEqual(ec.autodetect, True)
self.assertEqual(ec.compression, "compression")
self.assertEqual(ec.ignore_unknown_values, False)
self.assertEqual(ec.max_bad_records, 17)
self.assertEqual(ec.source_uris, self.SOURCE_URIS)
def test_to_api_repr_source_format(self):
ec = external_config.ExternalConfig("CSV")
got = ec.to_api_repr()
want = {"sourceFormat": "CSV"}
self.assertEqual(got, want)
def test_from_api_repr_sheets(self):
resource = _copy_and_update(
self.BASE_RESOURCE,
{
"sourceFormat": "GOOGLE_SHEETS",
"googleSheetsOptions": {
"skipLeadingRows": "123",
"range": "Sheet1!A5:B10",
},
},
)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
self.assertEqual(ec.source_format, "GOOGLE_SHEETS")
self.assertIsInstance(ec.options, external_config.GoogleSheetsOptions)
self.assertEqual(ec.options.skip_leading_rows, 123)
self.assertEqual(ec.options.range, "Sheet1!A5:B10")
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
del resource["googleSheetsOptions"]["skipLeadingRows"]
del resource["googleSheetsOptions"]["range"]
ec = external_config.ExternalConfig.from_api_repr(resource)
self.assertIsNone(ec.options.skip_leading_rows)
self.assertIsNone(ec.options.range)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
def test_to_api_repr_sheets(self):
ec = external_config.ExternalConfig("GOOGLE_SHEETS")
options = external_config.GoogleSheetsOptions()
options.skip_leading_rows = 123
options.range = "Sheet1!A5:B10"
ec._options = options
exp_resource = {
"sourceFormat": "GOOGLE_SHEETS",
"googleSheetsOptions": {"skipLeadingRows": "123", "range": "Sheet1!A5:B10"},
}
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, exp_resource)
def test_from_api_repr_hive_partitioning(self):
resource = _copy_and_update(
self.BASE_RESOURCE,
{
"sourceFormat": "FORMAT_FOO",
"hivePartitioningOptions": {
"sourceUriPrefix": "http://foo/bar",
"mode": "STRINGS",
"requirePartitionFilter": True,
},
},
)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
self.assertEqual(ec.source_format, "FORMAT_FOO")
self.assertIsInstance(
ec.hive_partitioning, external_config.HivePartitioningOptions
)
self.assertEqual(ec.hive_partitioning.source_uri_prefix, "http://foo/bar")
self.assertEqual(ec.hive_partitioning.mode, "STRINGS")
self.assertEqual(ec.hive_partitioning.require_partition_filter, True)
# converting back to API representation should yield the same result
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
del resource["hivePartitioningOptions"]
ec = external_config.ExternalConfig.from_api_repr(resource)
self.assertIsNone(ec.hive_partitioning)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
def test_to_api_repr_hive_partitioning(self):
hive_partitioning = external_config.HivePartitioningOptions()
hive_partitioning.source_uri_prefix = "http://foo/bar"
hive_partitioning.mode = "STRINGS"
hive_partitioning.require_partition_filter = False
ec = external_config.ExternalConfig("FORMAT_FOO")
ec.hive_partitioning = hive_partitioning
got_resource = ec.to_api_repr()
expected_resource = {
"sourceFormat": "FORMAT_FOO",
"hivePartitioningOptions": {
"sourceUriPrefix": "http://foo/bar",
"mode": "STRINGS",
"requirePartitionFilter": False,
},
}
self.assertEqual(got_resource, expected_resource)
def test_from_api_repr_csv(self):
resource = _copy_and_update(
self.BASE_RESOURCE,
{
"sourceFormat": "CSV",
"csvOptions": {
"fieldDelimiter": "fieldDelimiter",
"skipLeadingRows": "123",
"quote": "quote",
"allowQuotedNewlines": True,
"allowJaggedRows": False,
"encoding": "encoding",
},
},
)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
self.assertEqual(ec.source_format, "CSV")
self.assertIsInstance(ec.options, external_config.CSVOptions)
self.assertEqual(ec.options.field_delimiter, "fieldDelimiter")
self.assertEqual(ec.options.skip_leading_rows, 123)
self.assertEqual(ec.options.quote_character, "quote")
self.assertEqual(ec.options.allow_quoted_newlines, True)
self.assertEqual(ec.options.allow_jagged_rows, False)
self.assertEqual(ec.options.encoding, "encoding")
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
del resource["csvOptions"]["skipLeadingRows"]
ec = external_config.ExternalConfig.from_api_repr(resource)
self.assertIsNone(ec.options.skip_leading_rows)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
def test_to_api_repr_csv(self):
ec = external_config.ExternalConfig("CSV")
options = external_config.CSVOptions()
options.allow_quoted_newlines = True
options.encoding = "encoding"
options.field_delimiter = "fieldDelimiter"
options.quote_character = "quote"
options.skip_leading_rows = 123
options.allow_jagged_rows = False
ec._options = options
exp_resource = {
"sourceFormat": "CSV",
"csvOptions": {
"fieldDelimiter": "fieldDelimiter",
"skipLeadingRows": "123",
"quote": "quote",
"allowQuotedNewlines": True,
"allowJaggedRows": False,
"encoding": "encoding",
},
}
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, exp_resource)
def test_from_api_repr_bigtable(self):
qualifier_encoded = base64.standard_b64encode(b"q").decode("ascii")
resource = _copy_and_update(
self.BASE_RESOURCE,
{
"sourceFormat": "BIGTABLE",
"bigtableOptions": {
"ignoreUnspecifiedColumnFamilies": True,
"readRowkeyAsString": False,
"columnFamilies": [
{
"familyId": "familyId",
"type": "type",
"encoding": "encoding",
"columns": [
{
"qualifierString": "q",
"fieldName": "fieldName1",
"type": "type1",
"encoding": "encoding1",
"onlyReadLatest": True,
},
{
"qualifierEncoded": qualifier_encoded,
"fieldName": "fieldName2",
"type": "type2",
"encoding": "encoding2",
},
],
"onlyReadLatest": False,
}
],
},
},
)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
self.assertEqual(ec.source_format, "BIGTABLE")
self.assertIsInstance(ec.options, external_config.BigtableOptions)
self.assertEqual(ec.options.ignore_unspecified_column_families, True)
self.assertEqual(ec.options.read_rowkey_as_string, False)
self.assertEqual(len(ec.options.column_families), 1)
fam1 = ec.options.column_families[0]
self.assertIsInstance(fam1, external_config.BigtableColumnFamily)
self.assertEqual(fam1.family_id, "familyId")
self.assertEqual(fam1.type_, "type")
self.assertEqual(fam1.encoding, "encoding")
self.assertEqual(len(fam1.columns), 2)
self.assertFalse(fam1.only_read_latest)
col1 = fam1.columns[0]
self.assertEqual(col1.qualifier_string, "q")
self.assertEqual(col1.field_name, "fieldName1")
self.assertEqual(col1.type_, "type1")
self.assertEqual(col1.encoding, "encoding1")
self.assertTrue(col1.only_read_latest)
self.assertIsNone(col1.qualifier_encoded)
col2 = ec.options.column_families[0].columns[1]
self.assertEqual(col2.qualifier_encoded, b"q")
self.assertEqual(col2.field_name, "fieldName2")
self.assertEqual(col2.type_, "type2")
self.assertEqual(col2.encoding, "encoding2")
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
def test_to_api_repr_bigtable(self):
ec = external_config.ExternalConfig("BIGTABLE")
options = external_config.BigtableOptions()
options.ignore_unspecified_column_families = True
options.read_rowkey_as_string = False
ec._options = options
fam1 = external_config.BigtableColumnFamily()
fam1.family_id = "familyId"
fam1.type_ = "type"
fam1.encoding = "encoding"
fam1.only_read_latest = False
col1 = external_config.BigtableColumn()
col1.qualifier_string = "q"
col1.field_name = "fieldName1"
col1.type_ = "type1"
col1.encoding = "encoding1"
col1.only_read_latest = True
col2 = external_config.BigtableColumn()
col2.qualifier_encoded = b"q"
col2.field_name = "fieldName2"
col2.type_ = "type2"
col2.encoding = "encoding2"
fam1.columns = [col1, col2]
options.column_families = [fam1]
qualifier_encoded = base64.standard_b64encode(b"q").decode("ascii")
exp_resource = {
"sourceFormat": "BIGTABLE",
"bigtableOptions": {
"ignoreUnspecifiedColumnFamilies": True,
"readRowkeyAsString": False,
"columnFamilies": [
{
"familyId": "familyId",
"type": "type",
"encoding": "encoding",
"columns": [
{
"qualifierString": "q",
"fieldName": "fieldName1",
"type": "type1",
"encoding": "encoding1",
"onlyReadLatest": True,
},
{
"qualifierEncoded": qualifier_encoded,
"fieldName": "fieldName2",
"type": "type2",
"encoding": "encoding2",
},
],
"onlyReadLatest": False,
}
],
},
}
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, exp_resource)
def test_parquet_options_getter(self):
from google.cloud.bigquery.format_options import ParquetOptions
parquet_options = ParquetOptions.from_api_repr(
{"enumAsString": True, "enableListInference": False}
)
ec = external_config.ExternalConfig(
external_config.ExternalSourceFormat.PARQUET
)
self.assertIsNone(ec.parquet_options.enum_as_string)
self.assertIsNone(ec.parquet_options.enable_list_inference)
ec._options = parquet_options
self.assertTrue(ec.parquet_options.enum_as_string)
self.assertFalse(ec.parquet_options.enable_list_inference)
self.assertIs(ec.parquet_options, ec.options)
def test_parquet_options_getter_non_parquet_format(self):
ec = external_config.ExternalConfig(external_config.ExternalSourceFormat.CSV)
self.assertIsNone(ec.parquet_options)
def test_parquet_options_setter(self):
from google.cloud.bigquery.format_options import ParquetOptions
parquet_options = ParquetOptions.from_api_repr(
{"enumAsString": False, "enableListInference": True}
)
ec = external_config.ExternalConfig(
external_config.ExternalSourceFormat.PARQUET
)
ec.parquet_options = parquet_options
# Setting Parquet options should be reflected in the generic options attribute.
self.assertFalse(ec.options.enum_as_string)
self.assertTrue(ec.options.enable_list_inference)
def test_parquet_options_setter_non_parquet_format(self):
from google.cloud.bigquery.format_options import ParquetOptions
parquet_options = ParquetOptions.from_api_repr(
{"enumAsString": False, "enableListInference": True}
)
ec = external_config.ExternalConfig(external_config.ExternalSourceFormat.CSV)
with self.assertRaisesRegex(TypeError, "Cannot set.*source format is CSV"):
ec.parquet_options = parquet_options
def test_from_api_repr_parquet(self):
from google.cloud.bigquery.format_options import ParquetOptions
resource = _copy_and_update(
self.BASE_RESOURCE,
{
"sourceFormat": "PARQUET",
"parquetOptions": {"enumAsString": True, "enableListInference": False},
},
)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
self.assertEqual(ec.source_format, external_config.ExternalSourceFormat.PARQUET)
self.assertIsInstance(ec.options, ParquetOptions)
self.assertTrue(ec.parquet_options.enum_as_string)
self.assertFalse(ec.parquet_options.enable_list_inference)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
del resource["parquetOptions"]["enableListInference"]
ec = external_config.ExternalConfig.from_api_repr(resource)
self.assertIsNone(ec.options.enable_list_inference)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
def test_to_api_repr_parquet(self):
from google.cloud.bigquery.format_options import ParquetOptions
ec = external_config.ExternalConfig(
external_config.ExternalSourceFormat.PARQUET
)
options = ParquetOptions.from_api_repr(
dict(enumAsString=False, enableListInference=True)
)
ec._options = options
exp_resource = {
"sourceFormat": external_config.ExternalSourceFormat.PARQUET,
"parquetOptions": {"enumAsString": False, "enableListInference": True},
}
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, exp_resource)
def test_from_api_repr_decimal_target_types(self):
from google.cloud.bigquery.enums import DecimalTargetType
resource = _copy_and_update(
self.BASE_RESOURCE,
{
"sourceFormat": "FORMAT_FOO",
"decimalTargetTypes": [DecimalTargetType.NUMERIC],
},
)
ec = external_config.ExternalConfig.from_api_repr(resource)
self._verify_base(ec)
self.assertEqual(ec.source_format, "FORMAT_FOO")
self.assertEqual(
ec.decimal_target_types, frozenset([DecimalTargetType.NUMERIC])
)
# converting back to API representation should yield the same result
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
del resource["decimalTargetTypes"]
ec = external_config.ExternalConfig.from_api_repr(resource)
self.assertIsNone(ec.decimal_target_types)
got_resource = ec.to_api_repr()
self.assertEqual(got_resource, resource)
def test_to_api_repr_decimal_target_types(self):
from google.cloud.bigquery.enums import DecimalTargetType
ec = external_config.ExternalConfig("FORMAT_FOO")
ec.decimal_target_types = [DecimalTargetType.NUMERIC, DecimalTargetType.STRING]
got_resource = ec.to_api_repr()
expected_resource = {
"sourceFormat": "FORMAT_FOO",
"decimalTargetTypes": [DecimalTargetType.NUMERIC, DecimalTargetType.STRING],
}
self.assertEqual(got_resource, expected_resource)
def test_to_api_repr_decimal_target_types_unset(self):
from google.cloud.bigquery.enums import DecimalTargetType
ec = external_config.ExternalConfig("FORMAT_FOO")
ec._properties["decimalTargetTypes"] = [DecimalTargetType.NUMERIC]
ec.decimal_target_types = None
got_resource = ec.to_api_repr()
expected_resource = {"sourceFormat": "FORMAT_FOO"}
self.assertEqual(got_resource, expected_resource)
ec.decimal_target_types = None # No error if unsetting when already unset.
def _copy_and_update(d, u):
d = copy.deepcopy(d)
d.update(u)
return d