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| from __future__ import annotations | |
| from typing import Generator | |
| from _pytest._io.saferepr import saferepr | |
| 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 | |
| from _pytest.scope import Scope | |
| import pytest | |
| def pytest_addoption(parser: Parser) -> None: | |
| group = parser.getgroup("debugconfig") | |
| group.addoption( | |
| "--setuponly", | |
| "--setup-only", | |
| action="store_true", | |
| help="Only setup fixtures, do not execute tests", | |
| ) | |
| group.addoption( | |
| "--setupshow", | |
| "--setup-show", | |
| action="store_true", | |
| help="Show setup of fixtures while executing tests", | |
| ) | |
| def pytest_fixture_setup( | |
| fixturedef: FixtureDef[object], request: SubRequest | |
| ) -> Generator[None, object, object]: | |
| try: | |
| return (yield) | |
| finally: | |
| if request.config.option.setupshow: | |
| if hasattr(request, "param"): | |
| # Save the fixture parameter so ._show_fixture_action() can | |
| # display it now and during the teardown (in .finish()). | |
| if fixturedef.ids: | |
| if callable(fixturedef.ids): | |
| param = fixturedef.ids(request.param) | |
| else: | |
| param = fixturedef.ids[request.param_index] | |
| else: | |
| param = request.param | |
| fixturedef.cached_param = param # type: ignore[attr-defined] | |
| _show_fixture_action(fixturedef, request.config, "SETUP") | |
| def pytest_fixture_post_finalizer( | |
| fixturedef: FixtureDef[object], request: SubRequest | |
| ) -> None: | |
| if fixturedef.cached_result is not None: | |
| config = request.config | |
| if config.option.setupshow: | |
| _show_fixture_action(fixturedef, request.config, "TEARDOWN") | |
| if hasattr(fixturedef, "cached_param"): | |
| del fixturedef.cached_param | |
| def _show_fixture_action( | |
| fixturedef: FixtureDef[object], config: Config, msg: str | |
| ) -> None: | |
| capman = config.pluginmanager.getplugin("capturemanager") | |
| if capman: | |
| capman.suspend_global_capture() | |
| tw = config.get_terminal_writer() | |
| tw.line() | |
| # Use smaller indentation the higher the scope: Session = 0, Package = 1, etc. | |
| scope_indent = list(reversed(Scope)).index(fixturedef._scope) | |
| tw.write(" " * 2 * scope_indent) | |
| tw.write( | |
| "{step} {scope} {fixture}".format( # noqa: UP032 (Readability) | |
| step=msg.ljust(8), # align the output to TEARDOWN | |
| scope=fixturedef.scope[0].upper(), | |
| fixture=fixturedef.argname, | |
| ) | |
| ) | |
| if msg == "SETUP": | |
| deps = sorted(arg for arg in fixturedef.argnames if arg != "request") | |
| if deps: | |
| tw.write(" (fixtures used: {})".format(", ".join(deps))) | |
| if hasattr(fixturedef, "cached_param"): | |
| tw.write(f"[{saferepr(fixturedef.cached_param, maxsize=42)}]") | |
| tw.flush() | |
| if capman: | |
| capman.resume_global_capture() | |
| def pytest_cmdline_main(config: Config) -> int | ExitCode | None: | |
| if config.option.setuponly: | |
| config.option.setupshow = True | |
| return None | |