Method test_cli_force

Lib/test/test_clinic.py:3007–3043

(self)

        self.assertEqual(pre_mtime, post_mtime)

    def test_cli_force(self):
        invalid_input = dedent("""
            /*[clinic input]
            output preset block
            module test
            test.fn
                a: int
            [clinic start generated code]*/

            const char *hand_edited = "output block is overwritten";
            /*[clinic end generated code: output=bogus input=bogus]*/
        """)
        fail_msg = (
            "Checksum mismatch! Expected 'bogus', computed '2ed19'. "
            "Suggested fix: remove all generated code including the end marker, "
            "or use the '-f' option.\n"
        )
        with os_helper.temp_dir() as tmp_dir:
            fn = os.path.join(tmp_dir, "test.c")
            with open(fn, "w", encoding="utf-8") as f:
                f.write(invalid_input)
            # First, run the CLI without -f and expect failure.
            # Note, we cannot check the entire fail msg, because the path to
            # the tmp file will change for every run.
            _, err = self.expect_failure(fn)
            self.assertEndsWith(err, fail_msg)
            # Then, force regeneration; success expected.
            out = self.expect_success("-f", fn)
            self.assertEqual(out, "")
            # Verify by checking the checksum.
            checksum = (
                "/*[clinic end generated code: "
                "output=a2957bc4d43a3c2f input=9543a8d2da235301]*/\n"
            )
            with open(fn, encoding='utf-8') as f:
                generated = f.read()
            self.assertEndsWith(generated, checksum)

    def test_cli_make(self):
        c_code = dedent("""