# Copyright 2020 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
#
#     https://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 typing

from .. import load_table_clustered

if typing.TYPE_CHECKING:
    import pytest
    from google.cloud import bigquery


def test_load_table_clustered(
    capsys: "pytest.CaptureFixture[str]",
    random_table_id: str,
    client: "bigquery.Client",
) -> None:
    table = load_table_clustered.load_table_clustered(random_table_id)

    out, _ = capsys.readouterr()
    assert "rows and 4 columns" in out

    rows = list(client.list_rows(table))  # Make an API request.
    assert len(rows) > 0
    assert table.clustering_fields == ["origin", "destination"]