import pytest
[docs]def pytest_addoption(parser):
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.",
)
[docs]@pytest.hookimpl(hookwrapper=True)
def pytest_fixture_setup(fixturedef, request):
yield
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):
fixturedef.cached_param = fixturedef.ids(request.param)
else:
fixturedef.cached_param = fixturedef.ids[request.param_index]
else:
fixturedef.cached_param = request.param
_show_fixture_action(fixturedef, "SETUP")
[docs]def pytest_fixture_post_finalizer(fixturedef) -> None:
if fixturedef.cached_result is not None:
config = fixturedef._fixturemanager.config
if config.option.setupshow:
_show_fixture_action(fixturedef, "TEARDOWN")
if hasattr(fixturedef, "cached_param"):
del fixturedef.cached_param
[docs]def _show_fixture_action(fixturedef, msg):
config = fixturedef._fixturemanager.config
capman = config.pluginmanager.getplugin("capturemanager")
if capman:
capman.suspend_global_capture()
tw = config.get_terminal_writer()
tw.line()
tw.write(" " * 2 * fixturedef.scopenum)
tw.write(
"{step} {scope} {fixture}".format(
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("[{}]".format(fixturedef.cached_param))
if capman:
capman.resume_global_capture()
[docs]@pytest.hookimpl(tryfirst=True)
def pytest_cmdline_main(config):
if config.option.setuponly:
config.option.setupshow = True