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import pytest
import sys
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.")
@pytest.hookimpl(hookwrapper=True)
def pytest_fixture_setup(fixturedef, request):
yield
config = request.config
if 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')
def pytest_fixture_post_finalizer(fixturedef):
if hasattr(fixturedef, "cached_result"):
config = fixturedef._fixturemanager.config
if config.option.setupshow:
_show_fixture_action(fixturedef, 'TEARDOWN')
if hasattr(fixturedef, "cached_param"):
del fixturedef.cached_param
def _show_fixture_action(fixturedef, msg):
config = fixturedef._fixturemanager.config
capman = config.pluginmanager.getplugin('capturemanager')
if capman:
out, err = capman.suspendcapture()
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: {0})'.format(', '.join(deps)))
if hasattr(fixturedef, 'cached_param'):
tw.write('[{0}]'.format(fixturedef.cached_param))
if capman:
capman.resumecapture()
sys.stdout.write(out)
sys.stderr.write(err)
@pytest.hookimpl(tryfirst=True)
def pytest_cmdline_main(config):
if config.option.setuponly:
config.option.setupshow = True
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