Source code: Lib/pydoc.py

class unittest.mock.NonCallableMagicMock(*args, **kw) A non-callable version of MagicMock. The

class unittest.TestSuite(tests=()) This class represents an aggregation of individual tests cases and test suites. The class

class typing.Dict(dict, MutableMapping[KT, VT]) A generic version of

assertIs(first, second, msg=None) assertIsNot(first, second, msg=None) Test that first and second

class typing.SupportsRound An ABC with one abstract method __round__ that is covariant in its return type.

class typing.Optional Optional type. Optional[X] is equivalent to Union[X

addSuccess(test) Called when the test case test succeeds. The default implementation

run(test) This method is the main public interface to the TextTestRunner. This method takes a TestSuite

failfast If set to true stop() will be called on the first failure or error, halting the test run.