bpo-23819: Get rid of assert statements in test_asyncio (GH-30212) (GH-30213)

To keep checks even if run tests with optimized Python.

Either use special assertion methods like assertEqual() or
raise an AssertionError explicitly.
(cherry picked from commit 6ca78affc8023bc5023189d64d8050857662042a)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/Lib/test/test_asyncio/utils.py b/Lib/test/test_asyncio/utils.py
index 3765194cd0..0b9cde6878 100644
--- a/Lib/test/test_asyncio/utils.py
+++ b/Lib/test/test_asyncio/utils.py
@@ -409,12 +409,13 @@ class TestLoop(base_events.BaseEventLoop):
             return False
 
     def assert_writer(self, fd, callback, *args):
-        assert fd in self.writers, 'fd {} is not registered'.format(fd)
+        if fd not in self.writers:
+            raise AssertionError(f'fd {fd} is not registered')
         handle = self.writers[fd]
-        assert handle._callback == callback, '{!r} != {!r}'.format(
-            handle._callback, callback)
-        assert handle._args == args, '{!r} != {!r}'.format(
-            handle._args, args)
+        if handle._callback != callback:
+            raise AssertionError(f'{handle._callback!r} != {callback!r}')
+        if handle._args != args:
+            raise AssertionError(f'{handle._args!r} != {args!r}')
 
     def _ensure_fd_no_transport(self, fd):
         if not isinstance(fd, int):
@@ -530,7 +531,8 @@ class TestCase(unittest.TestCase):
                         thread.join()
 
     def set_event_loop(self, loop, *, cleanup=True):
-        assert loop is not None
+        if loop is None:
+            raise AssertionError('loop is None')
         # ensure that the event loop is passed explicitly in asyncio
         events.set_event_loop(None)
         if cleanup: