| import inspect |
| import types |
| import unittest |
| import contextlib |
| from test.support.import_helper import import_module |
| from test.support import gc_collect, requires_working_socket |
|
|
|
|
| class AsyncGenSyntaxTest(unittest.TestCase): |
|
|
| def test_async_gen_syntax_01(self): |
| code = '''async def foo(): |
| await abc |
| yield from 123 |
| ''' |
|
|
| with self.assertRaisesRegex(SyntaxError, 'yield from.*inside async'): |
| exec(code, {}, {}) |
|
|
| def test_async_gen_syntax_02(self): |
| code = '''async def foo(): |
| yield from 123 |
| ''' |
|
|
| with self.assertRaisesRegex(SyntaxError, 'yield from.*inside async'): |
| exec(code, {}, {}) |
|
|
| def test_async_gen_syntax_03(self): |
| code = '''async def foo(): |
| await abc |
| yield |
| return 123 |
| ''' |
|
|
| with self.assertRaisesRegex(SyntaxError, 'return.*value.*async gen'): |
| exec(code, {}, {}) |
|
|
| def test_async_gen_syntax_04(self): |
| code = '''async def foo(): |
| yield |
| return 123 |
| ''' |
|
|
| with self.assertRaisesRegex(SyntaxError, 'return.*value.*async gen'): |
| exec(code, {}, {}) |
|
|
| def test_async_gen_syntax_05(self): |
| code = '''async def foo(): |
| if 0: |
| yield |
| return 12 |
| ''' |
|
|
| with self.assertRaisesRegex(SyntaxError, 'return.*value.*async gen'): |
| exec(code, {}, {}) |
|
|
