twisted.test.test_defer.ImmediateFailureMixin

class documentation

class ImmediateFailureMixin: (source)

Known subclasses: twisted.test.test_defer.DeferredTests, twisted.test.test_defer.OtherPrimitivesTests, twisted.test.test_defer.TimeoutErrorTests

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Add additional assertion methods.

Method assertImmediateFailure Assert that the given Deferred current result is a Failure with the given exception.
def assertImmediateFailure(self, deferred, exception): (source)

Assert that the given Deferred current result is a Failure with the given exception.

Parameters
deferred:Deferred[Any]Undocumented
exception:Type[_ExceptionT]Undocumented
Returns
_ExceptionTThe exception instance in the Deferred.