def test_empty(self):
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRING, INT64
struct_type_pb = StructType(fields=[
StructType.Field(name="name", type=Type(code=STRING)),
StructType.Field(name="age", type=Type(code=INT64)),
])
self.assertEqual(self._callFUT(rows=[], row_type=struct_type_pb), [])
def _make_struct_type(struct_type_fields):
from google.cloud.spanner_v1.proto.type_pb2 import StructType
from google.cloud.spanner_v1.proto.type_pb2 import Type
fields = [
StructType.Field(name=key, type=Type(code=value))
for key, value in struct_type_fields
]
struct_type = StructType(fields=fields)
return Type(code="STRUCT", struct_type=struct_type)
def test_non_empty(self):
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRING, INT64
from google.cloud.spanner_v1._helpers import _make_list_value_pbs
VALUES = [[u"phred", 32], [u"bharney", 31]]
struct_type_pb = StructType(fields=[
StructType.Field(name="name", type=Type(code=STRING)),
StructType.Field(name="age", type=Type(code=INT64)),
])
values_pbs = _make_list_value_pbs(VALUES)
self.assertEqual(
self._callFUT(rows=values_pbs, row_type=struct_type_pb), VALUES)
def test_w_struct(self):
from google.protobuf.struct_pb2 import Value
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRUCT, STRING, INT64
from google.cloud.spanner_v1._helpers import _make_list_value_pb
VALUES = [u"phred", 32]
struct_type_pb = StructType(fields=[
StructType.Field(name="name", type=Type(code=STRING)),
StructType.Field(name="age", type=Type(code=INT64)),
])
field_type = Type(code=STRUCT, struct_type=struct_type_pb)
value_pb = Value(list_value=_make_list_value_pb(VALUES))
self.assertEqual(self._callFUT(value_pb, field_type), VALUES)
def test__merge_chunk_array_of_array_of_string(self):
from google.cloud.spanner_v1.proto.type_pb2 import StructType
from google.cloud.spanner_v1.proto.type_pb2 import Type
subarray_type = Type(code="ARRAY",
array_element_type=Type(code="STRING"))
array_type = Type(code="ARRAY", array_element_type=subarray_type)
iterator = _MockCancellableIterator()
streamed = self._make_one(iterator)
FIELDS = [StructType.Field(name="lolos", type=array_type)]
streamed._metadata = self._make_result_set_metadata(FIELDS)
streamed._pending_chunk = self._make_list_value(value_pbs=[
self._make_list_value([u"A", u"B"]),
self._make_list_value([u"C"]),
])
chunk = self._make_list_value(value_pbs=[
self._make_list_value([u"D"]),
self._make_list_value([u"E", u"F"]),
])
merged = streamed._merge_chunk(chunk)
expected = self._make_list_value(value_pbs=[
self._make_list_value([u"A", u"B"]),
self._make_list_value([u"CD"]),
self._make_list_value([u"E", u"F"]),
])
self.assertEqual(merged, expected)
self.assertIsNone(streamed._pending_chunk)
def test__merge_chunk_array_of_array_of_int(self):
from google.cloud.spanner_v1.proto.type_pb2 import StructType
from google.cloud.spanner_v1.proto.type_pb2 import Type
subarray_type = Type(code='ARRAY',
array_element_type=Type(code='INT64'))
array_type = Type(code='ARRAY', array_element_type=subarray_type)
iterator = _MockCancellableIterator()
streamed = self._make_one(iterator)
FIELDS = [StructType.Field(name='loloi', type=array_type)]
streamed._metadata = self._make_result_set_metadata(FIELDS)
streamed._pending_chunk = self._make_list_value(value_pbs=[
self._make_list_value([0, 1]),
self._make_list_value([2]),
])
chunk = self._make_list_value(value_pbs=[
self._make_list_value([3]),
self._make_list_value([4, 5]),
])
merged = streamed._merge_chunk(chunk)
expected = self._make_list_value(value_pbs=[
self._make_list_value([0, 1]),
self._make_list_value([23]),
self._make_list_value([4, 5]),
])
self.assertEqual(merged, expected)
self.assertIsNone(streamed._pending_chunk)
def _make_array_field(name, element_type_code=None, element_type=None):
from google.cloud.spanner_v1.proto.type_pb2 import StructType
from google.cloud.spanner_v1.proto.type_pb2 import Type
if element_type is None:
element_type = Type(code=element_type_code)
array_type = Type(code="ARRAY", array_element_type=element_type)
return StructType.Field(name=name, type=array_type)
def _make_scalar_field(name, type_):
from google.cloud.spanner_v1.proto.type_pb2 import StructType
from google.cloud.spanner_v1.proto.type_pb2 import Type
return StructType.Field(name=name, type=Type(code=type_))
def _execute_sql_helper(self,
multi_use,
first=True,
count=0,
partition=None):
from google.protobuf.struct_pb2 import Struct
from google.cloud.spanner_v1.proto.result_set_pb2 import (
PartialResultSet, ResultSetMetadata, ResultSetStats)
from google.cloud.spanner_v1.proto.transaction_pb2 import (
TransactionSelector)
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRING, INT64
from google.cloud.spanner_v1._helpers import _make_value_pb
txn_id = b'DEADBEEF'
VALUES = [
[u'bharney', u'rhubbyl', 31],
[u'phred', u'phlyntstone', 32],
]
VALUE_PBS = [[_make_value_pb(item) for item in row] for row in VALUES]
MODE = 2 # PROFILE
struct_type_pb = StructType(fields=[
StructType.Field(name='first_name', type=Type(code=STRING)),
StructType.Field(name='last_name', type=Type(code=STRING)),
StructType.Field(name='age', type=Type(code=INT64)),
])
metadata_pb = ResultSetMetadata(row_type=struct_type_pb)
stats_pb = ResultSetStats(query_stats=Struct(
fields={
'rows_returned': _make_value_pb(2),
}))
result_sets = [
PartialResultSet(values=VALUE_PBS[0], metadata=metadata_pb),
PartialResultSet(values=VALUE_PBS[1], stats=stats_pb),
]
iterator = _MockIterator(*result_sets)
database = _Database()
api = database.spanner_api = _FauxSpannerAPI(
_execute_streaming_sql_response=iterator)
session = _Session(database)
derived = self._makeDerived(session)
derived._multi_use = multi_use
derived._read_request_count = count
if not first:
derived._transaction_id = txn_id
result_set = derived.execute_sql(SQL_QUERY_WITH_PARAM,
PARAMS,
PARAM_TYPES,
query_mode=MODE,
partition=partition)
self.assertEqual(derived._read_request_count, count + 1)
if multi_use:
self.assertIs(result_set._source, derived)
else:
self.assertIsNone(result_set._source)
self.assertEqual(list(result_set), VALUES)
self.assertEqual(result_set.metadata, metadata_pb)
self.assertEqual(result_set.stats, stats_pb)
(r_session, sql, transaction, params, param_types, resume_token,
query_mode, partition_token,
metadata) = api._executed_streaming_sql_with
self.assertEqual(r_session, self.SESSION_NAME)
self.assertEqual(sql, SQL_QUERY_WITH_PARAM)
self.assertIsInstance(transaction, TransactionSelector)
if multi_use:
if first:
self.assertTrue(transaction.begin.read_only.strong)
else:
self.assertEqual(transaction.id, txn_id)
else:
self.assertTrue(transaction.single_use.read_only.strong)
expected_params = Struct(fields={
key: _make_value_pb(value)
for (key, value) in PARAMS.items()
})
self.assertEqual(params, expected_params)
self.assertEqual(param_types, PARAM_TYPES)
self.assertEqual(query_mode, MODE)
self.assertEqual(resume_token, b'')
self.assertEqual(partition_token, partition)
self.assertEqual(metadata,
[('google-cloud-resource-prefix', database.name)])
def _read_helper(self, multi_use, first=True, count=0, partition=None):
from google.protobuf.struct_pb2 import Struct
from google.cloud.spanner_v1.proto.result_set_pb2 import (
PartialResultSet, ResultSetMetadata, ResultSetStats)
from google.cloud.spanner_v1.proto.transaction_pb2 import (
TransactionSelector)
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRING, INT64
from google.cloud.spanner_v1.keyset import KeySet
from google.cloud.spanner_v1._helpers import _make_value_pb
txn_id = b'DEADBEEF'
VALUES = [
[u'bharney', 31],
[u'phred', 32],
]
VALUE_PBS = [[_make_value_pb(item) for item in row] for row in VALUES]
struct_type_pb = StructType(fields=[
StructType.Field(name='name', type=Type(code=STRING)),
StructType.Field(name='age', type=Type(code=INT64)),
])
metadata_pb = ResultSetMetadata(row_type=struct_type_pb)
stats_pb = ResultSetStats(query_stats=Struct(
fields={
'rows_returned': _make_value_pb(2),
}))
result_sets = [
PartialResultSet(values=VALUE_PBS[0], metadata=metadata_pb),
PartialResultSet(values=VALUE_PBS[1], stats=stats_pb),
]
KEYS = ['*****@*****.**', '*****@*****.**']
keyset = KeySet(keys=KEYS)
INDEX = 'email-address-index'
LIMIT = 20
database = _Database()
api = database.spanner_api = _FauxSpannerAPI(
_streaming_read_response=_MockIterator(*result_sets))
session = _Session(database)
derived = self._makeDerived(session)
derived._multi_use = multi_use
derived._read_request_count = count
if not first:
derived._transaction_id = txn_id
if partition is not None: # 'limit' and 'partition' incompatible
result_set = derived.read(TABLE_NAME,
COLUMNS,
keyset,
index=INDEX,
partition=partition)
else:
result_set = derived.read(TABLE_NAME,
COLUMNS,
keyset,
index=INDEX,
limit=LIMIT)
self.assertEqual(derived._read_request_count, count + 1)
if multi_use:
self.assertIs(result_set._source, derived)
else:
self.assertIsNone(result_set._source)
self.assertEqual(list(result_set), VALUES)
self.assertEqual(result_set.metadata, metadata_pb)
self.assertEqual(result_set.stats, stats_pb)
(r_session, table, columns, key_set, transaction, index, limit,
resume_token, r_partition, metadata) = api._streaming_read_with
self.assertEqual(r_session, self.SESSION_NAME)
self.assertEqual(table, TABLE_NAME)
self.assertEqual(columns, COLUMNS)
self.assertEqual(key_set, keyset._to_pb())
self.assertIsInstance(transaction, TransactionSelector)
if multi_use:
if first:
self.assertTrue(transaction.begin.read_only.strong)
else:
self.assertEqual(transaction.id, txn_id)
else:
self.assertTrue(transaction.single_use.read_only.strong)
self.assertEqual(index, INDEX)
if partition is not None:
self.assertEqual(limit, 0)
self.assertEqual(r_partition, partition)
else:
self.assertEqual(limit, LIMIT)
self.assertIsNone(r_partition)
self.assertEqual(resume_token, b'')
self.assertEqual(metadata,
[('google-cloud-resource-prefix', database.name)])
def _execute_sql_helper(self,
multi_use,
first=True,
count=0,
partition=None,
sql_count=0):
from google.protobuf.struct_pb2 import Struct
from google.cloud.spanner_v1.proto.result_set_pb2 import (
PartialResultSet, ResultSetMetadata, ResultSetStats)
from google.cloud.spanner_v1.proto.transaction_pb2 import (
TransactionSelector, TransactionOptions)
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRING, INT64
from google.cloud.spanner_v1._helpers import _make_value_pb
VALUES = [
[u'bharney', u'rhubbyl', 31],
[u'phred', u'phlyntstone', 32],
]
VALUE_PBS = [[_make_value_pb(item) for item in row] for row in VALUES]
MODE = 2 # PROFILE
struct_type_pb = StructType(fields=[
StructType.Field(name='first_name', type=Type(code=STRING)),
StructType.Field(name='last_name', type=Type(code=STRING)),
StructType.Field(name='age', type=Type(code=INT64)),
])
metadata_pb = ResultSetMetadata(row_type=struct_type_pb)
stats_pb = ResultSetStats(query_stats=Struct(
fields={
'rows_returned': _make_value_pb(2),
}))
result_sets = [
PartialResultSet(values=VALUE_PBS[0], metadata=metadata_pb),
PartialResultSet(values=VALUE_PBS[1], stats=stats_pb),
]
iterator = _MockIterator(*result_sets)
database = _Database()
api = database.spanner_api = self._make_spanner_api()
api.execute_streaming_sql.return_value = iterator
session = _Session(database)
derived = self._makeDerived(session)
derived._multi_use = multi_use
derived._read_request_count = count
derived._execute_sql_count = sql_count
if not first:
derived._transaction_id = TXN_ID
result_set = derived.execute_sql(SQL_QUERY_WITH_PARAM,
PARAMS,
PARAM_TYPES,
query_mode=MODE,
partition=partition)
self.assertEqual(derived._read_request_count, count + 1)
if multi_use:
self.assertIs(result_set._source, derived)
else:
self.assertIsNone(result_set._source)
self.assertEqual(list(result_set), VALUES)
self.assertEqual(result_set.metadata, metadata_pb)
self.assertEqual(result_set.stats, stats_pb)
txn_options = TransactionOptions(read_only=TransactionOptions.ReadOnly(
strong=True))
if multi_use:
if first:
expected_transaction = TransactionSelector(begin=txn_options)
else:
expected_transaction = TransactionSelector(id=TXN_ID)
else:
expected_transaction = TransactionSelector(single_use=txn_options)
expected_params = Struct(fields={
key: _make_value_pb(value)
for (key, value) in PARAMS.items()
})
api.execute_streaming_sql.assert_called_once_with(
self.SESSION_NAME,
SQL_QUERY_WITH_PARAM,
transaction=expected_transaction,
params=expected_params,
param_types=PARAM_TYPES,
query_mode=MODE,
partition_token=partition,
seqno=sql_count,
metadata=[('google-cloud-resource-prefix', database.name)],
)
self.assertEqual(derived._execute_sql_count, sql_count + 1)
def _read_helper(self, multi_use, first=True, count=0, partition=None):
from google.protobuf.struct_pb2 import Struct
from google.cloud.spanner_v1.proto.result_set_pb2 import (
PartialResultSet, ResultSetMetadata, ResultSetStats)
from google.cloud.spanner_v1.proto.transaction_pb2 import (
TransactionSelector, TransactionOptions)
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRING, INT64
from google.cloud.spanner_v1.keyset import KeySet
from google.cloud.spanner_v1._helpers import _make_value_pb
VALUES = [
[u'bharney', 31],
[u'phred', 32],
]
VALUE_PBS = [[_make_value_pb(item) for item in row] for row in VALUES]
struct_type_pb = StructType(fields=[
StructType.Field(name='name', type=Type(code=STRING)),
StructType.Field(name='age', type=Type(code=INT64)),
])
metadata_pb = ResultSetMetadata(row_type=struct_type_pb)
stats_pb = ResultSetStats(query_stats=Struct(
fields={
'rows_returned': _make_value_pb(2),
}))
result_sets = [
PartialResultSet(values=VALUE_PBS[0], metadata=metadata_pb),
PartialResultSet(values=VALUE_PBS[1], stats=stats_pb),
]
KEYS = [['*****@*****.**'], ['*****@*****.**']]
keyset = KeySet(keys=KEYS)
INDEX = 'email-address-index'
LIMIT = 20
database = _Database()
api = database.spanner_api = self._make_spanner_api()
api.streaming_read.return_value = _MockIterator(*result_sets)
session = _Session(database)
derived = self._makeDerived(session)
derived._multi_use = multi_use
derived._read_request_count = count
if not first:
derived._transaction_id = TXN_ID
if partition is not None: # 'limit' and 'partition' incompatible
result_set = derived.read(TABLE_NAME,
COLUMNS,
keyset,
index=INDEX,
partition=partition)
else:
result_set = derived.read(TABLE_NAME,
COLUMNS,
keyset,
index=INDEX,
limit=LIMIT)
self.assertEqual(derived._read_request_count, count + 1)
if multi_use:
self.assertIs(result_set._source, derived)
else:
self.assertIsNone(result_set._source)
self.assertEqual(list(result_set), VALUES)
self.assertEqual(result_set.metadata, metadata_pb)
self.assertEqual(result_set.stats, stats_pb)
txn_options = TransactionOptions(read_only=TransactionOptions.ReadOnly(
strong=True))
if multi_use:
if first:
expected_transaction = TransactionSelector(begin=txn_options)
else:
expected_transaction = TransactionSelector(id=TXN_ID)
else:
expected_transaction = TransactionSelector(single_use=txn_options)
if partition is not None:
expected_limit = 0
else:
expected_limit = LIMIT
api.streaming_read.assert_called_once_with(
self.SESSION_NAME,
TABLE_NAME,
COLUMNS,
keyset._to_pb(),
transaction=expected_transaction,
index=INDEX,
limit=expected_limit,
partition_token=partition,
metadata=[('google-cloud-resource-prefix', database.name)],
)
def _execute_sql_helper(
self,
multi_use,
first=True,
count=0,
partition=None,
sql_count=0,
query_options=None,
timeout=google.api_core.gapic_v1.method.DEFAULT,
retry=google.api_core.gapic_v1.method.DEFAULT,
):
from google.protobuf.struct_pb2 import Struct
from google.cloud.spanner_v1.proto.result_set_pb2 import (
PartialResultSet,
ResultSetMetadata,
ResultSetStats,
)
from google.cloud.spanner_v1.proto.transaction_pb2 import (
TransactionSelector,
TransactionOptions,
)
from google.cloud.spanner_v1.proto.type_pb2 import Type, StructType
from google.cloud.spanner_v1.proto.type_pb2 import STRING, INT64
from google.cloud.spanner_v1._helpers import (
_make_value_pb,
_merge_query_options,
)
VALUES = [[u"bharney", u"rhubbyl", 31], [u"phred", u"phlyntstone", 32]]
VALUE_PBS = [[_make_value_pb(item) for item in row] for row in VALUES]
MODE = 2 # PROFILE
struct_type_pb = StructType(
fields=[
StructType.Field(name="first_name", type=Type(code=STRING)),
StructType.Field(name="last_name", type=Type(code=STRING)),
StructType.Field(name="age", type=Type(code=INT64)),
]
)
metadata_pb = ResultSetMetadata(row_type=struct_type_pb)
stats_pb = ResultSetStats(
query_stats=Struct(fields={"rows_returned": _make_value_pb(2)})
)
result_sets = [
PartialResultSet(values=VALUE_PBS[0], metadata=metadata_pb),
PartialResultSet(values=VALUE_PBS[1], stats=stats_pb),
]
iterator = _MockIterator(*result_sets)
database = _Database()
api = database.spanner_api = self._make_spanner_api()
api.execute_streaming_sql.return_value = iterator
session = _Session(database)
derived = self._makeDerived(session)
derived._multi_use = multi_use
derived._read_request_count = count
derived._execute_sql_count = sql_count
if not first:
derived._transaction_id = TXN_ID
result_set = derived.execute_sql(
SQL_QUERY_WITH_PARAM,
PARAMS,
PARAM_TYPES,
query_mode=MODE,
query_options=query_options,
partition=partition,
retry=retry,
timeout=timeout,
)
self.assertEqual(derived._read_request_count, count + 1)
if multi_use:
self.assertIs(result_set._source, derived)
else:
self.assertIsNone(result_set._source)
self.assertEqual(list(result_set), VALUES)
self.assertEqual(result_set.metadata, metadata_pb)
self.assertEqual(result_set.stats, stats_pb)
txn_options = TransactionOptions(
read_only=TransactionOptions.ReadOnly(strong=True)
)
if multi_use:
if first:
expected_transaction = TransactionSelector(begin=txn_options)
else:
expected_transaction = TransactionSelector(id=TXN_ID)
else:
expected_transaction = TransactionSelector(single_use=txn_options)
expected_params = Struct(
fields={key: _make_value_pb(value) for (key, value) in PARAMS.items()}
)
expected_query_options = database._instance._client._query_options
if query_options:
expected_query_options = _merge_query_options(
expected_query_options, query_options
)
api.execute_streaming_sql.assert_called_once_with(
self.SESSION_NAME,
SQL_QUERY_WITH_PARAM,
transaction=expected_transaction,
params=expected_params,
param_types=PARAM_TYPES,
query_mode=MODE,
query_options=expected_query_options,
partition_token=partition,
seqno=sql_count,
metadata=[("google-cloud-resource-prefix", database.name)],
timeout=timeout,
retry=retry,
)
self.assertEqual(derived._execute_sql_count, sql_count + 1)
self.assertSpanAttributes(
"CloudSpanner.ReadWriteTransaction",
status=StatusCanonicalCode.OK,
attributes=dict(BASE_ATTRIBUTES, **{"db.statement": SQL_QUERY_WITH_PARAM}),
)
