41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
from typing import Optional
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from typing import Union
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import pytest
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from _pytest.config import Config
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from _pytest.config import ExitCode
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from _pytest.config.argparsing import Parser
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from _pytest.fixtures import FixtureDef
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from _pytest.fixtures import SubRequest
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def pytest_addoption(parser: Parser) -> None:
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group = parser.getgroup("debugconfig")
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group.addoption(
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"--setupplan",
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"--setup-plan",
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action="store_true",
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help="Show what fixtures and tests would be executed but "
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"don't execute anything",
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)
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@pytest.hookimpl(tryfirst=True)
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def pytest_fixture_setup(
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fixturedef: FixtureDef[object], request: SubRequest
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) -> Optional[object]:
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# Will return a dummy fixture if the setuponly option is provided.
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if request.config.option.setupplan:
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my_cache_key = fixturedef.cache_key(request)
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fixturedef.cached_result = (None, my_cache_key, None)
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return fixturedef.cached_result
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return None
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@pytest.hookimpl(tryfirst=True)
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def pytest_cmdline_main(config: Config) -> Optional[Union[int, ExitCode]]:
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if config.option.setupplan:
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config.option.setuponly = True
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config.option.setupshow = True
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return None
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