File size: 3,223 Bytes
1856027 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | # 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
#
# 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 datetime
from typing import Iterator
import uuid
from google.api_core import exceptions
from google.cloud import bigquery
import pytest
import materialized_view # type: ignore
from conftest import prefixer # type: ignore
def temp_suffix() -> str:
now = datetime.datetime.now()
return f"{now.strftime('%Y%m%d%H%M%S')}_{uuid.uuid4().hex[:8]}"
@pytest.fixture(autouse=True)
def bigquery_client_patch(
monkeypatch: pytest.MonkeyPatch, bigquery_client: bigquery.Client
) -> None:
monkeypatch.setattr(bigquery, "Client", lambda: bigquery_client)
@pytest.fixture(scope="module")
def dataset_id(bigquery_client: bigquery.Client) -> Iterator[str]:
dataset_id = f"{prefixer.create_prefix()}_materialized_view"
bigquery_client.create_dataset(dataset_id)
yield dataset_id
bigquery_client.delete_dataset(dataset_id, delete_contents=True)
@pytest.fixture(scope="module")
def base_table_id(
bigquery_client: bigquery.Client, project_id: str, dataset_id: str
) -> Iterator[str]:
base_table_id = f"{project_id}.{dataset_id}.base_{temp_suffix()}"
# Schema from materialized views guide:
# https://cloud.google.com/bigquery/docs/materialized-views#create
base_table = bigquery.Table(base_table_id)
base_table.schema = [
bigquery.SchemaField("product_id", bigquery.SqlTypeNames.INT64),
bigquery.SchemaField("clicks", bigquery.SqlTypeNames.INT64),
]
bigquery_client.create_table(base_table)
yield base_table_id
bigquery_client.delete_table(base_table_id)
@pytest.fixture(scope="module")
def view_id(
bigquery_client: bigquery.Client, project_id: str, dataset_id: str
) -> Iterator[str]:
view_id = f"{project_id}.{dataset_id}.mview_{temp_suffix()}"
yield view_id
bigquery_client.delete_table(view_id, not_found_ok=True)
def test_materialized_view(
capsys: pytest.CaptureFixture[str],
bigquery_client: bigquery.Client,
base_table_id: str,
view_id: str,
) -> None:
override_values = {
"base_table_id": base_table_id,
"view_id": view_id,
}
view = materialized_view.create_materialized_view(override_values)
assert base_table_id in view.mview_query
out, _ = capsys.readouterr()
assert view_id in out
view = materialized_view.update_materialized_view(override_values)
assert view.mview_enable_refresh
assert view.mview_refresh_interval == datetime.timedelta(hours=1)
out, _ = capsys.readouterr()
assert view_id in out
materialized_view.delete_materialized_view(override_values)
with pytest.raises(exceptions.NotFound):
bigquery_client.get_table(view_id)
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