Method check_ast_roundtrip

Lib/test/test_unparse.py:134–139

(self, code1, **kwargs)

class ASTTestCase(ASTTestMixin, unittest.TestCase):
    def check_ast_roundtrip(self, code1, **kwargs):
        with self.subTest(code1=code1, ast_parse_kwargs=kwargs):
            ast1 = ast.parse(code1, **kwargs)
            code2 = ast.unparse(ast1)
            ast2 = ast.parse(code2, **kwargs)
            self.assertASTEqual(ast1, ast2)

    def check_invalid(self, node, raises=ValueError):
        with self.subTest(node=node):