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Diffstat (limited to 'Lib/test/test_asyncio')
| -rw-r--r-- | Lib/test/test_asyncio/test_tasks.py | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py index 8fd3e28..c5eb92b 100644 --- a/Lib/test/test_asyncio/test_tasks.py +++ b/Lib/test/test_asyncio/test_tasks.py @@ -1,6 +1,7 @@ """Tests for tasks.py.""" import os.path +import re import sys import types import unittest @@ -1572,6 +1573,37 @@ class TaskTests(test_utils.TestCase): }) mock_handler.reset_mock() + @mock.patch('asyncio.tasks.logger') + def test_coroutine_never_yielded(self, m_log): + debug = asyncio.tasks._DEBUG + try: + asyncio.tasks._DEBUG = True + @asyncio.coroutine + def coro_noop(): + pass + finally: + asyncio.tasks._DEBUG = debug + + tb_filename = __file__ + tb_lineno = sys._getframe().f_lineno + 1 + coro = coro_noop() + coro = None + support.gc_collect() + + self.assertTrue(m_log.error.called) + message = m_log.error.call_args[0][0] + func_filename, func_lineno = test_utils.get_function_source(coro_noop) + regex = (r'^Coroutine %s\(\) at %s:%s was never yielded from\n' + r'Coroutine object created at \(most recent call last\):\n' + r'.*\n' + r' File "%s", line %s, in test_coroutine_never_yielded\n' + r' coro = coro_noop\(\)$' + % (re.escape(coro_noop.__qualname__), + func_filename, func_lineno, + tb_filename, tb_lineno)) + + self.assertRegex(message, re.compile(regex, re.DOTALL)) + class GatherTestsBase: |