mirror of
https://github.com/thegeeklab/ansible-later.git
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289 lines
9.4 KiB
Python
289 lines
9.4 KiB
Python
""" discovery and running of std-library "unittest" style tests. """
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import sys
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import traceback
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import _pytest._code
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import pytest
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from _pytest.compat import getimfunc
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from _pytest.config import hookimpl
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from _pytest.outcomes import fail
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from _pytest.outcomes import skip
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from _pytest.outcomes import xfail
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from _pytest.python import Class
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from _pytest.python import Function
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def pytest_pycollect_makeitem(collector, name, obj):
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# has unittest been imported and is obj a subclass of its TestCase?
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try:
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if not issubclass(obj, sys.modules["unittest"].TestCase):
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return
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except Exception:
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return
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# yes, so let's collect it
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return UnitTestCase(name, parent=collector)
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class UnitTestCase(Class):
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# marker for fixturemanger.getfixtureinfo()
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# to declare that our children do not support funcargs
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nofuncargs = True
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def collect(self):
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from unittest import TestLoader
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cls = self.obj
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if not getattr(cls, "__test__", True):
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return
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skipped = getattr(cls, "__unittest_skip__", False)
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if not skipped:
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self._inject_setup_teardown_fixtures(cls)
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self._inject_setup_class_fixture()
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self.session._fixturemanager.parsefactories(self, unittest=True)
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loader = TestLoader()
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foundsomething = False
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for name in loader.getTestCaseNames(self.obj):
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x = getattr(self.obj, name)
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if not getattr(x, "__test__", True):
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continue
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funcobj = getimfunc(x)
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yield TestCaseFunction(name, parent=self, callobj=funcobj)
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foundsomething = True
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if not foundsomething:
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runtest = getattr(self.obj, "runTest", None)
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if runtest is not None:
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ut = sys.modules.get("twisted.trial.unittest", None)
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if ut is None or runtest != ut.TestCase.runTest:
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yield TestCaseFunction("runTest", parent=self)
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def _inject_setup_teardown_fixtures(self, cls):
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"""Injects a hidden auto-use fixture to invoke setUpClass/setup_method and corresponding
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teardown functions (#517)"""
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class_fixture = _make_xunit_fixture(
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cls, "setUpClass", "tearDownClass", scope="class", pass_self=False
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)
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if class_fixture:
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cls.__pytest_class_setup = class_fixture
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method_fixture = _make_xunit_fixture(
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cls, "setup_method", "teardown_method", scope="function", pass_self=True
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)
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if method_fixture:
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cls.__pytest_method_setup = method_fixture
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def _make_xunit_fixture(obj, setup_name, teardown_name, scope, pass_self):
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setup = getattr(obj, setup_name, None)
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teardown = getattr(obj, teardown_name, None)
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if setup is None and teardown is None:
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return None
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@pytest.fixture(scope=scope, autouse=True)
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def fixture(self, request):
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if getattr(self, "__unittest_skip__", None):
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reason = self.__unittest_skip_why__
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pytest.skip(reason)
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if setup is not None:
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if pass_self:
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setup(self, request.function)
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else:
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setup()
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yield
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if teardown is not None:
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if pass_self:
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teardown(self, request.function)
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else:
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teardown()
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return fixture
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class TestCaseFunction(Function):
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nofuncargs = True
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_excinfo = None
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_testcase = None
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def setup(self):
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self._testcase = self.parent.obj(self.name)
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self._fix_unittest_skip_decorator()
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if hasattr(self, "_request"):
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self._request._fillfixtures()
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def _fix_unittest_skip_decorator(self):
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"""
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The @unittest.skip decorator calls functools.wraps(self._testcase)
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The call to functools.wraps() fails unless self._testcase
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has a __name__ attribute. This is usually automatically supplied
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if the test is a function or method, but we need to add manually
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here.
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See issue #1169
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"""
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if sys.version_info[0] == 2:
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setattr(self._testcase, "__name__", self.name)
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def teardown(self):
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self._testcase = None
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def startTest(self, testcase):
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pass
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def _addexcinfo(self, rawexcinfo):
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# unwrap potential exception info (see twisted trial support below)
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rawexcinfo = getattr(rawexcinfo, "_rawexcinfo", rawexcinfo)
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try:
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excinfo = _pytest._code.ExceptionInfo(rawexcinfo)
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# invoke the attributes to trigger storing the traceback
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# trial causes some issue there
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excinfo.value
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excinfo.traceback
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except TypeError:
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try:
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try:
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values = traceback.format_exception(*rawexcinfo)
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values.insert(
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0,
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"NOTE: Incompatible Exception Representation, "
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"displaying natively:\n\n",
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)
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fail("".join(values), pytrace=False)
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except (fail.Exception, KeyboardInterrupt):
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raise
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except: # noqa
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fail(
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"ERROR: Unknown Incompatible Exception "
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"representation:\n%r" % (rawexcinfo,),
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pytrace=False,
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)
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except KeyboardInterrupt:
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raise
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except fail.Exception:
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excinfo = _pytest._code.ExceptionInfo.from_current()
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self.__dict__.setdefault("_excinfo", []).append(excinfo)
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def addError(self, testcase, rawexcinfo):
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self._addexcinfo(rawexcinfo)
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def addFailure(self, testcase, rawexcinfo):
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self._addexcinfo(rawexcinfo)
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def addSkip(self, testcase, reason):
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try:
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skip(reason)
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except skip.Exception:
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self._skipped_by_mark = True
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self._addexcinfo(sys.exc_info())
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def addExpectedFailure(self, testcase, rawexcinfo, reason=""):
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try:
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xfail(str(reason))
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except xfail.Exception:
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self._addexcinfo(sys.exc_info())
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def addUnexpectedSuccess(self, testcase, reason=""):
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self._unexpectedsuccess = reason
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def addSuccess(self, testcase):
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pass
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def stopTest(self, testcase):
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pass
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def _handle_skip(self):
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# implements the skipping machinery (see #2137)
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# analog to pythons Lib/unittest/case.py:run
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testMethod = getattr(self._testcase, self._testcase._testMethodName)
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if getattr(self._testcase.__class__, "__unittest_skip__", False) or getattr(
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testMethod, "__unittest_skip__", False
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):
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# If the class or method was skipped.
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skip_why = getattr(
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self._testcase.__class__, "__unittest_skip_why__", ""
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) or getattr(testMethod, "__unittest_skip_why__", "")
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try: # PY3, unittest2 on PY2
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self._testcase._addSkip(self, self._testcase, skip_why)
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except TypeError: # PY2
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if sys.version_info[0] != 2:
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raise
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self._testcase._addSkip(self, skip_why)
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return True
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return False
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def runtest(self):
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if self.config.pluginmanager.get_plugin("pdbinvoke") is None:
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self._testcase(result=self)
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else:
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# disables tearDown and cleanups for post mortem debugging (see #1890)
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if self._handle_skip():
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return
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self._testcase.debug()
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def _prunetraceback(self, excinfo):
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Function._prunetraceback(self, excinfo)
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traceback = excinfo.traceback.filter(
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lambda x: not x.frame.f_globals.get("__unittest")
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)
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if traceback:
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excinfo.traceback = traceback
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@hookimpl(tryfirst=True)
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def pytest_runtest_makereport(item, call):
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if isinstance(item, TestCaseFunction):
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if item._excinfo:
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call.excinfo = item._excinfo.pop(0)
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try:
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del call.result
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except AttributeError:
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pass
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# twisted trial support
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@hookimpl(hookwrapper=True)
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def pytest_runtest_protocol(item):
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if isinstance(item, TestCaseFunction) and "twisted.trial.unittest" in sys.modules:
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ut = sys.modules["twisted.python.failure"]
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Failure__init__ = ut.Failure.__init__
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check_testcase_implements_trial_reporter()
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def excstore(
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self, exc_value=None, exc_type=None, exc_tb=None, captureVars=None
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):
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if exc_value is None:
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self._rawexcinfo = sys.exc_info()
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else:
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if exc_type is None:
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exc_type = type(exc_value)
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self._rawexcinfo = (exc_type, exc_value, exc_tb)
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try:
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Failure__init__(
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self, exc_value, exc_type, exc_tb, captureVars=captureVars
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)
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except TypeError:
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Failure__init__(self, exc_value, exc_type, exc_tb)
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ut.Failure.__init__ = excstore
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yield
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ut.Failure.__init__ = Failure__init__
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else:
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yield
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def check_testcase_implements_trial_reporter(done=[]):
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if done:
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return
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from zope.interface import classImplements
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from twisted.trial.itrial import IReporter
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classImplements(TestCaseFunction, IReporter)
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done.append(1)
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