test_case.py

    def test_traceback_specialization_with_syntax_error(self):
        source = textwrap.dedent("""\
            def func(x, y):
                return x / y

            func(  
                1,
                0
            )
        """)
        bytecode = compile(source, TESTFN, "exec")

        with open(TESTFN, "w") as file:
            file.write(source)
        self.addCleanup(unlink, TESTFN)

        func = partial(exec, bytecode)
        result_lines = self.get_exception(func)

        lineno_f = bytecode.co_firstlineno
        expected_error = (
            'Traceback (most recent call last):\n'
            f'  File "{__file__}", line {self.callable_line}, in get_exception\n'
            '    callable()\n'
            '    ^^^^^^^^^^\n'
            f'  File "{TESTFN}", line 4, in <module>\n'
            '    func(\n'
            '    ^^^^^\n'
            f'  File "{TESTFN}", line 2, in func\n'
            '    return x / y\n'
            '           ~~^~~'
        )
        self.assertEqual(result_lines, expected_error.splitlines())