Method test_file_to_source

Lib/test/test_import/__init__.py:617–638

(self)

    @skip_if_dont_write_bytecode
    def test_file_to_source(self):
        # check if __file__ points to the source file where available
        source = TESTFN + ".py"
        with open(source, "w", encoding='utf-8') as f:
            f.write("test = None\n")

        sys.path.insert(0, os.curdir)
        try:
            mod = __import__(TESTFN)
            self.assertEndsWith(mod.__file__, '.py')
            os.remove(source)
            del sys.modules[TESTFN]
            make_legacy_pyc(source)
            importlib.invalidate_caches()
            mod = __import__(TESTFN)
            base, ext = os.path.splitext(mod.__file__)
            self.assertEqual(ext, '.pyc')
        finally:
            del sys.path[0]
            remove_files(TESTFN)
            if TESTFN in sys.modules:
                del sys.modules[TESTFN]

    def test_import_by_filename(self):
        path = os.path.abspath(TESTFN)