Method test_optimize_flag

Lib/test/test_ast/test_ast.py:3662–3683

(self)

                self.check_output(source, expect, flag)

    def test_optimize_flag(self):
        # test 'python -m ast -O/--optimize 1/2'
        source = '''
            match a:
                case 1+2j:
                    pass
        '''
        expect = '''
            Module(
               body=[
                  Match(
                     subject=Name(id='a', ctx=Load()),
                     cases=[
                        match_case(
                           pattern=MatchValue(
                              value=Constant(value=(1+2j))),
                           body=[
                              Pass()])])])
        '''
        for flag in ('-O=1', '--optimize=1', '-O=2', '--optimize=2'):
            with self.subTest(flag=flag):
                self.check_output(source, expect, flag)

    def test_show_empty_flag(self):
        # test 'python -m ast --show-empty'