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# Copyright 2019 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.
from collections import OrderedDict
import inspect
import pytest
@pytest.fixture
def query_job_class():
from google.cloud.bigquery.job import QueryJob
return QueryJob
@pytest.fixture
def row_iterator_class():
from google.cloud.bigquery.table import RowIterator
return RowIterator
def test_to_arrow_method_signatures_match(query_job_class, row_iterator_class):
query_job_sig = inspect.signature(query_job_class.to_arrow)
iterator_sig = inspect.signature(row_iterator_class.to_arrow)
assert "max_results" in query_job_sig.parameters
# Compare the signatures while ignoring the max_results parameter, which is
# specific to the method on QueryJob.
params = OrderedDict(query_job_sig.parameters)
del params["max_results"]
query_job_sig = query_job_sig.replace(parameters=params.values())
assert query_job_sig == iterator_sig
def test_to_dataframe_method_signatures_match(query_job_class, row_iterator_class):
query_job_sig = inspect.signature(query_job_class.to_dataframe)
iterator_sig = inspect.signature(row_iterator_class.to_dataframe)
assert "max_results" in query_job_sig.parameters
# Compare the signatures while ignoring the max_results parameter, which is
# specific to the method on QueryJob.
params = OrderedDict(query_job_sig.parameters)
del params["max_results"]
query_job_sig = query_job_sig.replace(parameters=params.values())
assert query_job_sig == iterator_sig
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