254 lines
8.1 KiB
Python
254 lines
8.1 KiB
Python
"""
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collect and run test items and create reports.
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"""
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import py
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from py._test.outcome import Skipped
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#
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# pytest plugin hooks
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# XXX move to pytest_sessionstart and fix py.test owns tests
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def pytest_configure(config):
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config._setupstate = SetupState()
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def pytest_sessionfinish(session, exitstatus):
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if hasattr(session.config, '_setupstate'):
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hook = session.config.hook
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rep = hook.pytest__teardown_final(session=session)
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if rep:
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hook.pytest__teardown_final_logerror(report=rep)
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def pytest_make_collect_report(collector):
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result = excinfo = None
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try:
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result = collector._memocollect()
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except KeyboardInterrupt:
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raise
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except:
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excinfo = py.code.ExceptionInfo()
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return CollectReport(collector, result, excinfo)
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def pytest_runtest_protocol(item):
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runtestprotocol(item)
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return True
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def runtestprotocol(item, log=True):
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rep = call_and_report(item, "setup", log)
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reports = [rep]
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if rep.passed:
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reports.append(call_and_report(item, "call", log))
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reports.append(call_and_report(item, "teardown", log))
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return reports
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def pytest_runtest_setup(item):
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item.config._setupstate.prepare(item)
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def pytest_runtest_call(item):
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if not item._deprecated_testexecution():
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item.runtest()
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def pytest_runtest_makereport(item, call):
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return ItemTestReport(item, call.excinfo, call.when)
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def pytest_runtest_teardown(item):
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item.config._setupstate.teardown_exact(item)
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def pytest__teardown_final(session):
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call = CallInfo(session.config._setupstate.teardown_all, when="teardown")
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if call.excinfo:
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ntraceback = call.excinfo.traceback .cut(excludepath=py._pydir)
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call.excinfo.traceback = ntraceback.filter()
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rep = TeardownErrorReport(call.excinfo)
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return rep
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def pytest_report_teststatus(report):
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if report.when in ("setup", "teardown"):
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if report.failed:
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# category, shortletter, verbose-word
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return "error", "E", "ERROR"
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elif report.skipped:
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return "skipped", "s", "SKIPPED"
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else:
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return "", "", ""
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#
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# Implementation
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def call_and_report(item, when, log=True):
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call = call_runtest_hook(item, when)
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hook = item.ihook
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report = hook.pytest_runtest_makereport(item=item, call=call)
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if log and (when == "call" or not report.passed):
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hook.pytest_runtest_logreport(report=report)
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return report
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def call_runtest_hook(item, when):
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hookname = "pytest_runtest_" + when
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ihook = getattr(item.ihook, hookname)
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return CallInfo(lambda: ihook(item=item), when=when)
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class CallInfo:
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excinfo = None
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def __init__(self, func, when):
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self.when = when
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try:
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self.result = func()
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except KeyboardInterrupt:
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raise
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except:
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self.excinfo = py.code.ExceptionInfo()
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def __repr__(self):
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if self.excinfo:
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status = "exception: %s" % str(self.excinfo.value)
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else:
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status = "result: %r" % (self.result,)
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return "<CallInfo when=%r %s>" % (self.when, status)
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class BaseReport(object):
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def __repr__(self):
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l = ["%s=%s" %(key, value)
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for key, value in self.__dict__.items()]
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return "<%s %s>" %(self.__class__.__name__, " ".join(l),)
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def toterminal(self, out):
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longrepr = self.longrepr
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if hasattr(longrepr, 'toterminal'):
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longrepr.toterminal(out)
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else:
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out.line(str(longrepr))
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class ItemTestReport(BaseReport):
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failed = passed = skipped = False
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def __init__(self, item, excinfo=None, when=None):
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self.item = item
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self.when = when
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if item and when != "setup":
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self.keywords = item.readkeywords()
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else:
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# if we fail during setup it might mean
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# we are not able to access the underlying object
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# this might e.g. happen if we are unpickled
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# and our parent collector did not collect us
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# (because it e.g. skipped for platform reasons)
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self.keywords = {}
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if not excinfo:
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self.passed = True
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self.shortrepr = "."
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else:
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if not isinstance(excinfo, py.code.ExceptionInfo):
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self.failed = True
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shortrepr = "?"
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longrepr = excinfo
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elif excinfo.errisinstance(Skipped):
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self.skipped = True
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shortrepr = "s"
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longrepr = self.item._repr_failure_py(excinfo)
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else:
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self.failed = True
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shortrepr = self.item.shortfailurerepr
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if self.when == "call":
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longrepr = self.item.repr_failure(excinfo)
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else: # exception in setup or teardown
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longrepr = self.item._repr_failure_py(excinfo)
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shortrepr = shortrepr.lower()
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self.shortrepr = shortrepr
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self.longrepr = longrepr
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def __repr__(self):
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status = (self.passed and "passed" or
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self.skipped and "skipped" or
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self.failed and "failed" or
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"CORRUPT")
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l = [repr(self.item.name), "when=%r" % self.when, "outcome %r" % status,]
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if hasattr(self, 'node'):
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l.append("txnode=%s" % self.node.gateway.id)
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info = " " .join(map(str, l))
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return "<ItemTestReport %s>" % info
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def getnode(self):
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return self.item
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class CollectReport(BaseReport):
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skipped = failed = passed = False
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def __init__(self, collector, result, excinfo=None):
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self.collector = collector
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if not excinfo:
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self.passed = True
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self.result = result
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else:
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self.longrepr = self.collector._repr_failure_py(excinfo)
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if excinfo.errisinstance(Skipped):
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self.skipped = True
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self.reason = str(excinfo.value)
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else:
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self.failed = True
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def getnode(self):
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return self.collector
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class TeardownErrorReport(BaseReport):
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skipped = passed = False
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failed = True
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when = "teardown"
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def __init__(self, excinfo):
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self.longrepr = excinfo.getrepr(funcargs=True)
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class SetupState(object):
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""" shared state for setting up/tearing down test items or collectors. """
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def __init__(self):
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self.stack = []
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self._finalizers = {}
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def addfinalizer(self, finalizer, colitem):
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""" attach a finalizer to the given colitem.
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if colitem is None, this will add a finalizer that
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is called at the end of teardown_all().
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"""
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assert hasattr(finalizer, '__call__')
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#assert colitem in self.stack
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self._finalizers.setdefault(colitem, []).append(finalizer)
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def _pop_and_teardown(self):
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colitem = self.stack.pop()
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self._teardown_with_finalization(colitem)
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def _callfinalizers(self, colitem):
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finalizers = self._finalizers.pop(colitem, None)
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while finalizers:
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fin = finalizers.pop()
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fin()
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def _teardown_with_finalization(self, colitem):
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self._callfinalizers(colitem)
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if colitem:
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colitem.teardown()
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for colitem in self._finalizers:
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assert colitem is None or colitem in self.stack
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def teardown_all(self):
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while self.stack:
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self._pop_and_teardown()
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self._teardown_with_finalization(None)
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assert not self._finalizers
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def teardown_exact(self, item):
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if self.stack and item == self.stack[-1]:
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self._pop_and_teardown()
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else:
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self._callfinalizers(item)
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def prepare(self, colitem):
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""" setup objects along the collector chain to the test-method
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and teardown previously setup objects."""
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needed_collectors = colitem.listchain()
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while self.stack:
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if self.stack == needed_collectors[:len(self.stack)]:
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break
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self._pop_and_teardown()
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for col in needed_collectors[len(self.stack):]:
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col.setup()
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self.stack.append(col)
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