Method mock_interactive_session

Lib/test/test_pydoc/test_pydoc.py:2152–2171

Given a list of inputs, run an interactive help session. Returns a string of what would be shown on screen.

(self, inputs)

class TestHelper(unittest.TestCase):
    def mock_interactive_session(self, inputs):
        """
        Given a list of inputs, run an interactive help session.  Returns a string
        of what would be shown on screen.
        """
        input_iter = iter(inputs)

        def mock_getline(prompt):
            output.write(prompt)
            next_input = next(input_iter)
            output.write(next_input + os.linesep)
            return next_input

        with captured_stdout() as output:
            helper = pydoc.Helper(output=output)
            with unittest.mock.patch.object(helper, "getline", mock_getline):
                helper.interact()

        # handle different line endings across platforms consistently
        return output.getvalue().strip().splitlines(keepends=False)

    def test_keywords(self):
        self.assertEqual(sorted(pydoc.Helper.keywords),