test_pydoc.py 文件源码

def test_plainpager(self):
        # plainpager does not choke on unicode
        doc = pydoc.render_doc(self.Q)

        # Note: captured_stdout is too permissive when it comes to
        # unicode, and using it here would make the test always
        # pass.
        with test.test_support.temp_cwd():
            with open('output', 'w') as f:
                saved, sys.stdout = sys.stdout, f
                try:
                    pydoc.plainpager(doc)
                finally:
                    sys.stdout = saved
            self.assertIn('Rational numbers:', open('output').read())