test_pydoc.py 文件源码

def test_modules(self):
        # See Helper.listmodules().
        num_header_lines = 2
        num_module_lines_min = 5  # Playing it safe.
        num_footer_lines = 3
        expected = num_header_lines + num_module_lines_min + num_footer_lines

        output = StringIO()
        helper = pydoc.Helper(output=output)
        helper('modules')
        result = output.getvalue().strip()
        num_lines = len(result.splitlines())

        self.assertGreaterEqual(num_lines, expected)