def _callProcessExited(self, reason): default = object() processExited = getattr(self.proto, 'processExited', default) if processExited is default: getWarningMethod()( _missingProcessExited % (qual(self.proto.__class__),), DeprecationWarning, stacklevel=0) else: processExited(Failure(reason))
def test_callProcessExitedMissing(self): """ L{BaseProcess._callProcessExited} emits a L{DeprecationWarning} if the object referred to by its C{proto} attribute has no C{processExited} method. """ class FakeProto: pass reason = object() process = BaseProcess(FakeProto()) self.addCleanup(setWarningMethod, getWarningMethod()) warnings = [] def collect(message, category, stacklevel): warnings.append((message, category, stacklevel)) setWarningMethod(collect) process._callProcessExited(reason) [(message, category, stacklevel)] = warnings self.assertEqual( message, "Since Twisted 8.2, IProcessProtocol.processExited is required. " "%s.%s must implement it." % ( FakeProto.__module__, FakeProto.__name__)) self.assertIdentical(category, DeprecationWarning) # The stacklevel doesn't really make sense for this kind of # deprecation. Requiring it to be 0 will at least avoid pointing to # any part of Twisted or a random part of the application's code, which # I think would be more misleading than having it point inside the # warning system itself. -exarkun self.assertEqual(stacklevel, 0)
def test_callProcessExitedMissing(self): """ L{BaseProcess._callProcessExited} emits a L{DeprecationWarning} if the object referred to by its C{proto} attribute has no C{processExited} method. """ class FakeProto: pass reason = object() process = BaseProcess(FakeProto()) self.addCleanup(setWarningMethod, getWarningMethod()) warnings = [] def collect(message, category, stacklevel): warnings.append((message, category, stacklevel)) setWarningMethod(collect) process._callProcessExited(reason) [(message, category, stacklevel)] = warnings self.assertEqual( message, "Since Twisted 8.2, IProcessProtocol.processExited is required. " "%s.%s must implement it." % (FakeProto.__module__, FakeProto.__name__)) self.assertIdentical(category, DeprecationWarning) # The stacklevel doesn't really make sense for this kind of # deprecation. Requiring it to be 0 will at least avoid pointing to # any part of Twisted or a random part of the application's code, which # I think would be more misleading than having it point inside the # warning system itself. -exarkun self.assertEqual(stacklevel, 0)