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George Weale
2367901ec5
Co-authored-by: George Weale <gweale@google.com> PiperOrigin-RevId: 858763407
104 lines
3.0 KiB
Python
104 lines
3.0 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from pytest import fixture
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from pytest import FixtureRequest
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from pytest import hookimpl
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from pytest import Metafunc
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_ENV_VARS = {
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'GOOGLE_API_KEY': 'fake_google_api_key',
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'GOOGLE_CLOUD_PROJECT': 'fake_google_cloud_project',
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'GOOGLE_CLOUD_LOCATION': 'fake_google_cloud_location',
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'ADK_ALLOW_WIP_FEATURES': 'true',
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}
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ENV_SETUPS = {
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'GOOGLE_AI': {
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'GOOGLE_GENAI_USE_VERTEXAI': '0',
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**_ENV_VARS,
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},
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'VERTEX': {
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'GOOGLE_GENAI_USE_VERTEXAI': '1',
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**_ENV_VARS,
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},
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}
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@fixture
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def env_variables(request: FixtureRequest):
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# Set up the environment
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env_name: str = request.param
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envs = ENV_SETUPS[env_name]
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original_env = {key: os.environ.get(key) for key in envs}
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os.environ.update(envs)
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yield # Run the test
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# Restore the environment
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for key in envs:
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if (original_val := original_env.get(key)) is None:
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os.environ.pop(key, None)
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else:
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os.environ[key] = original_val
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# Store original environment variables to restore later
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_original_env = {}
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@hookimpl(tryfirst=True)
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def pytest_sessionstart(session):
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"""Set up environment variables at the beginning of the test session."""
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if not ENV_SETUPS:
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return
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# Use the first env setup to initialize environment for module-level imports
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env_name = next(iter(ENV_SETUPS.keys()))
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envs = ENV_SETUPS[env_name]
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global _original_env
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_original_env = {key: os.environ.get(key) for key in envs}
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os.environ.update(envs)
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@hookimpl(trylast=True)
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def pytest_sessionfinish(session):
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"""Restore original environment variables at the end of the test session."""
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global _original_env
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for key, original_val in _original_env.items():
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if original_val is None:
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os.environ.pop(key, None)
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else:
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os.environ[key] = original_val
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_original_env = {}
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@hookimpl(tryfirst=True)
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def pytest_generate_tests(metafunc: Metafunc):
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"""Generate test cases for each environment setup."""
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if env_variables.__name__ in metafunc.fixturenames:
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if not _is_explicitly_marked(env_variables.__name__, metafunc):
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metafunc.parametrize(
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env_variables.__name__, ENV_SETUPS.keys(), indirect=True
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)
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def _is_explicitly_marked(mark_name: str, metafunc: Metafunc) -> bool:
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if hasattr(metafunc.function, 'pytestmark'):
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for mark in metafunc.function.pytestmark:
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if mark.name == 'parametrize' and mark.args[0] == mark_name:
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return True
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return False
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