Method verify_tabnanny_check

Lib/test/test_tabnanny.py:155–166

Common verification for tabnanny.check(). Use this method to assert expected values of `stdout` and `stderr` after running tabnanny.check() on given `dir` or `file` path. Because tabnanny.check() captures exceptions and writes to `stdout` and `stderr`, asserting stan

(self, dir_or_file, out="", err="")

        tabnanny.verbose = 0  # Forcefully deactivating verbose mode.

    def verify_tabnanny_check(self, dir_or_file, out="", err=""):
        """Common verification for tabnanny.check().

        Use this method to assert expected values of `stdout` and `stderr` after
        running tabnanny.check() on given `dir` or `file` path. Because
        tabnanny.check() captures exceptions and writes to `stdout` and
        `stderr`, asserting standard outputs is the only way.
        """
        with captured_stdout() as stdout, captured_stderr() as stderr:
            tabnanny.check(dir_or_file)
        self.assertEqual(stdout.getvalue(), out)
        self.assertEqual(stderr.getvalue(), err)

    def test_correct_file(self):
        """A python source code file without any errors."""