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