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test_helpers.py
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45 lines (41 loc) · 1.49 KB
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# Copyright 2024 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 pytest
from google.cloud.bigtable.helpers import batched
class TestBatched:
@pytest.mark.parametrize(
"input_list,batch_size,expected",
[
([1, 2, 3, 4, 5], 3, [[1, 2, 3], [4, 5]]),
([1, 2, 3, 4, 5, 6], 3, [[1, 2, 3], [4, 5, 6]]),
([1, 2, 3, 4, 5], 2, [[1, 2], [3, 4], [5]]),
([1, 2, 3, 4, 5], 1, [[1], [2], [3], [4], [5]]),
([1, 2, 3, 4, 5], 5, [[1, 2, 3, 4, 5]]),
([], 1, []),
],
)
def test_batched(self, input_list, batch_size, expected):
result = list(batched(input_list, batch_size))
assert list(map(list, result)) == expected
@pytest.mark.parametrize(
"input_list,batch_size",
[
([1], 0),
([1], -1),
],
)
def test_batched_errs(self, input_list, batch_size):
with pytest.raises(ValueError):
list(batched(input_list, batch_size))