121 строка
3.7 KiB
Python
121 строка
3.7 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import os
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import subprocess
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import pytest
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from airflow.utils import db
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@pytest.fixture()
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def reset_environment():
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"""
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Resets env variables.
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"""
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init_env = os.environ.copy()
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yield
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changed_env = os.environ
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for key in changed_env:
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if key not in init_env:
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del os.environ[key]
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else:
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os.environ[key] = init_env[key]
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@pytest.fixture()
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def reset_db():
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"""
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Resets Airflow db.
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"""
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db.resetdb()
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yield
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def pytest_addoption(parser):
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"""
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Add options parser for custom plugins
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"""
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group = parser.getgroup("airflow")
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group.addoption(
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"--with-db-init",
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action="store_true",
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dest="db_init",
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help="Forces database initialization before tests",
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)
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@pytest.fixture(autouse=True, scope="session")
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def breeze_test_helper(request):
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"""
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Helper that setups Airflow testing environment. It does the same thing
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as the old 'run-tests' script.
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"""
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# fixme: this should use some other env variable ex. RUNNING_ON_K8S
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if os.environ.get("SKIP_INIT_DB"):
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print("Skipping db initialization. Tests do not require database")
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return
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print(" AIRFLOW ".center(60, "="))
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# Setup test environment for breeze
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home = os.getcwd()
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airflow_home = os.environ.get("AIRFLOW_HOME") or home
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os.environ["AIRFLOW_SOURCES"] = home
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os.environ["AIRFLOW__CORE__DAGS_FOLDER"] = os.path.join(home, "tests", "dags")
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os.environ["AIRFLOW__CORE__UNIT_TEST_MODE"] = "True"
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os.environ["AWS_DEFAULT_REGION"] = (
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os.environ.get("AWS_DEFAULT_REGION") or "us-east-1"
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)
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print(f"Airflow home {airflow_home}\nHome of the user: {home}")
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# Initialize Airflow db if required
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pid_file = os.path.join(home, ".airflow_db_initialised")
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if request.config.option.db_init:
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print("Initializing the DB - forced with --with-db-init switch.")
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try:
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db.initdb()
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except: # pylint: disable=bare-except # noqa
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print("Skipping db initialization because database already exists.")
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db.resetdb()
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elif not os.path.exists(pid_file):
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print(
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"Initializing the DB - first time after entering the container.\n"
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"You can force re-initialization the database by adding --with-db-init switch to run-tests."
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)
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try:
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db.initdb()
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except: # pylint: disable=bare-except # noqa
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print("Skipping db initialization because database already exists.")
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db.resetdb()
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# Create pid file
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with open(pid_file, "w+"):
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pass
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else:
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print(
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"Skipping initializing of the DB as it was initialized already.\n"
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"You can re-initialize the database by adding --with-db-init flag when running tests."
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)
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# Initialize kerberos
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kerberos = os.environ.get("KRB5_KTNAME")
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if kerberos:
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subprocess.check_call(["kinit", "-kt", kerberos, "airflow"])
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