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-rw-r--r--Lib/test/test_asyncio/test_eager_task_factory.py37
-rw-r--r--Lib/test/test_asyncio/test_futures.py58
-rw-r--r--Lib/test/test_asyncio/test_selector_events.py16
-rw-r--r--Lib/test/test_asyncio/test_ssl.py10
-rw-r--r--Lib/test/test_asyncio/test_tasks.py73
-rw-r--r--Lib/test/test_asyncio/test_tools.py49
6 files changed, 210 insertions, 33 deletions
diff --git a/Lib/test/test_asyncio/test_eager_task_factory.py b/Lib/test/test_asyncio/test_eager_task_factory.py
index a2fb1022ae4..9f3b6f9acef 100644
--- a/Lib/test/test_asyncio/test_eager_task_factory.py
+++ b/Lib/test/test_asyncio/test_eager_task_factory.py
@@ -263,6 +263,24 @@ class EagerTaskFactoryLoopTests:
self.run_coro(run())
+ def test_eager_start_false(self):
+ name = None
+
+ async def asyncfn():
+ nonlocal name
+ name = asyncio.current_task().get_name()
+
+ async def main():
+ t = asyncio.get_running_loop().create_task(
+ asyncfn(), eager_start=False, name="example"
+ )
+ self.assertFalse(t.done())
+ self.assertIsNone(name)
+ await t
+ self.assertEqual(name, "example")
+
+ self.run_coro(main())
+
class PyEagerTaskFactoryLoopTests(EagerTaskFactoryLoopTests, test_utils.TestCase):
Task = tasks._PyTask
@@ -505,5 +523,24 @@ class EagerCTaskTests(BaseEagerTaskFactoryTests, test_utils.TestCase):
asyncio.current_task = asyncio.tasks.current_task = self._current_task
return super().tearDown()
+
+class DefaultTaskFactoryEagerStart(test_utils.TestCase):
+ def test_eager_start_true_with_default_factory(self):
+ name = None
+
+ async def asyncfn():
+ nonlocal name
+ name = asyncio.current_task().get_name()
+
+ async def main():
+ t = asyncio.get_running_loop().create_task(
+ asyncfn(), eager_start=True, name="example"
+ )
+ self.assertTrue(t.done())
+ self.assertEqual(name, "example")
+ await t
+
+ asyncio.run(main(), loop_factory=asyncio.EventLoop)
+
if __name__ == '__main__':
unittest.main()
diff --git a/Lib/test/test_asyncio/test_futures.py b/Lib/test/test_asyncio/test_futures.py
index 8b51522278a..39bef465bdb 100644
--- a/Lib/test/test_asyncio/test_futures.py
+++ b/Lib/test/test_asyncio/test_futures.py
@@ -413,7 +413,7 @@ class BaseFutureTests:
def test_copy_state(self):
from asyncio.futures import _copy_future_state
- f = self._new_future(loop=self.loop)
+ f = concurrent.futures.Future()
f.set_result(10)
newf = self._new_future(loop=self.loop)
@@ -421,7 +421,7 @@ class BaseFutureTests:
self.assertTrue(newf.done())
self.assertEqual(newf.result(), 10)
- f_exception = self._new_future(loop=self.loop)
+ f_exception = concurrent.futures.Future()
f_exception.set_exception(RuntimeError())
newf_exception = self._new_future(loop=self.loop)
@@ -429,7 +429,7 @@ class BaseFutureTests:
self.assertTrue(newf_exception.done())
self.assertRaises(RuntimeError, newf_exception.result)
- f_cancelled = self._new_future(loop=self.loop)
+ f_cancelled = concurrent.futures.Future()
f_cancelled.cancel()
newf_cancelled = self._new_future(loop=self.loop)
@@ -441,7 +441,7 @@ class BaseFutureTests:
except BaseException as e:
f_exc = e
- f_conexc = self._new_future(loop=self.loop)
+ f_conexc = concurrent.futures.Future()
f_conexc.set_exception(f_exc)
newf_conexc = self._new_future(loop=self.loop)
@@ -454,6 +454,56 @@ class BaseFutureTests:
newf_tb = ''.join(traceback.format_tb(newf_exc.__traceback__))
self.assertEqual(newf_tb.count('raise concurrent.futures.InvalidStateError'), 1)
+ def test_copy_state_from_concurrent_futures(self):
+ """Test _copy_future_state from concurrent.futures.Future.
+
+ This tests the optimized path using _get_snapshot when available.
+ """
+ from asyncio.futures import _copy_future_state
+
+ # Test with a result
+ f_concurrent = concurrent.futures.Future()
+ f_concurrent.set_result(42)
+ f_asyncio = self._new_future(loop=self.loop)
+ _copy_future_state(f_concurrent, f_asyncio)
+ self.assertTrue(f_asyncio.done())
+ self.assertEqual(f_asyncio.result(), 42)
+
+ # Test with an exception
+ f_concurrent_exc = concurrent.futures.Future()
+ f_concurrent_exc.set_exception(ValueError("test exception"))
+ f_asyncio_exc = self._new_future(loop=self.loop)
+ _copy_future_state(f_concurrent_exc, f_asyncio_exc)
+ self.assertTrue(f_asyncio_exc.done())
+ with self.assertRaises(ValueError) as cm:
+ f_asyncio_exc.result()
+ self.assertEqual(str(cm.exception), "test exception")
+
+ # Test with cancelled state
+ f_concurrent_cancelled = concurrent.futures.Future()
+ f_concurrent_cancelled.cancel()
+ f_asyncio_cancelled = self._new_future(loop=self.loop)
+ _copy_future_state(f_concurrent_cancelled, f_asyncio_cancelled)
+ self.assertTrue(f_asyncio_cancelled.cancelled())
+
+ # Test that destination already cancelled prevents copy
+ f_concurrent_result = concurrent.futures.Future()
+ f_concurrent_result.set_result(10)
+ f_asyncio_precancelled = self._new_future(loop=self.loop)
+ f_asyncio_precancelled.cancel()
+ _copy_future_state(f_concurrent_result, f_asyncio_precancelled)
+ self.assertTrue(f_asyncio_precancelled.cancelled())
+
+ # Test exception type conversion
+ f_concurrent_invalid = concurrent.futures.Future()
+ f_concurrent_invalid.set_exception(concurrent.futures.InvalidStateError("invalid"))
+ f_asyncio_invalid = self._new_future(loop=self.loop)
+ _copy_future_state(f_concurrent_invalid, f_asyncio_invalid)
+ self.assertTrue(f_asyncio_invalid.done())
+ with self.assertRaises(asyncio.exceptions.InvalidStateError) as cm:
+ f_asyncio_invalid.result()
+ self.assertEqual(str(cm.exception), "invalid")
+
def test_iter(self):
fut = self._new_future(loop=self.loop)
diff --git a/Lib/test/test_asyncio/test_selector_events.py b/Lib/test/test_asyncio/test_selector_events.py
index de81936b745..aab6a779170 100644
--- a/Lib/test/test_asyncio/test_selector_events.py
+++ b/Lib/test/test_asyncio/test_selector_events.py
@@ -347,6 +347,18 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
selectors.EVENT_WRITE)])
self.loop._remove_writer.assert_called_with(1)
+ def test_accept_connection_zero_one(self):
+ for backlog in [0, 1]:
+ sock = mock.Mock()
+ sock.accept.return_value = (mock.Mock(), mock.Mock())
+ with self.subTest(backlog):
+ mock_obj = mock.patch.object
+ with mock_obj(self.loop, '_accept_connection2') as accept2_mock:
+ self.loop._accept_connection(
+ mock.Mock(), sock, backlog=backlog)
+ self.loop.run_until_complete(asyncio.sleep(0))
+ self.assertEqual(sock.accept.call_count, backlog + 1)
+
def test_accept_connection_multiple(self):
sock = mock.Mock()
sock.accept.return_value = (mock.Mock(), mock.Mock())
@@ -362,7 +374,7 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
self.loop._accept_connection(
mock.Mock(), sock, backlog=backlog)
self.loop.run_until_complete(asyncio.sleep(0))
- self.assertEqual(sock.accept.call_count, backlog)
+ self.assertEqual(sock.accept.call_count, backlog + 1)
def test_accept_connection_skip_connectionabortederror(self):
sock = mock.Mock()
@@ -388,7 +400,7 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
# as in test_accept_connection_multiple avoid task pending
# warnings by using asyncio.sleep(0)
self.loop.run_until_complete(asyncio.sleep(0))
- self.assertEqual(sock.accept.call_count, backlog)
+ self.assertEqual(sock.accept.call_count, backlog + 1)
class SelectorTransportTests(test_utils.TestCase):
diff --git a/Lib/test/test_asyncio/test_ssl.py b/Lib/test/test_asyncio/test_ssl.py
index 986ecc2c5a9..3a7185cd897 100644
--- a/Lib/test/test_asyncio/test_ssl.py
+++ b/Lib/test/test_asyncio/test_ssl.py
@@ -195,9 +195,10 @@ class TestSSL(test_utils.TestCase):
except (BrokenPipeError, ConnectionError):
pass
- def test_create_server_ssl_1(self):
+ @support.bigmemtest(size=25, memuse=90*2**20, dry_run=False)
+ def test_create_server_ssl_1(self, size):
CNT = 0 # number of clients that were successful
- TOTAL_CNT = 25 # total number of clients that test will create
+ TOTAL_CNT = size # total number of clients that test will create
TIMEOUT = support.LONG_TIMEOUT # timeout for this test
A_DATA = b'A' * 1024 * BUF_MULTIPLIER
@@ -1038,9 +1039,10 @@ class TestSSL(test_utils.TestCase):
self.loop.run_until_complete(run_main())
- def test_create_server_ssl_over_ssl(self):
+ @support.bigmemtest(size=25, memuse=90*2**20, dry_run=False)
+ def test_create_server_ssl_over_ssl(self, size):
CNT = 0 # number of clients that were successful
- TOTAL_CNT = 25 # total number of clients that test will create
+ TOTAL_CNT = size # total number of clients that test will create
TIMEOUT = support.LONG_TIMEOUT # timeout for this test
A_DATA = b'A' * 1024 * BUF_MULTIPLIER
diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py
index 8d7f1733454..f6f976f213a 100644
--- a/Lib/test/test_asyncio/test_tasks.py
+++ b/Lib/test/test_asyncio/test_tasks.py
@@ -89,8 +89,8 @@ class BaseTaskTests:
Future = None
all_tasks = None
- def new_task(self, loop, coro, name='TestTask', context=None):
- return self.__class__.Task(coro, loop=loop, name=name, context=context)
+ def new_task(self, loop, coro, name='TestTask', context=None, eager_start=None):
+ return self.__class__.Task(coro, loop=loop, name=name, context=context, eager_start=eager_start)
def new_future(self, loop):
return self.__class__.Future(loop=loop)
@@ -2116,6 +2116,46 @@ class BaseTaskTests:
self.assertTrue(outer.cancelled())
self.assertEqual(0, 0 if outer._callbacks is None else len(outer._callbacks))
+ def test_shield_cancel_outer_result(self):
+ mock_handler = mock.Mock()
+ self.loop.set_exception_handler(mock_handler)
+ inner = self.new_future(self.loop)
+ outer = asyncio.shield(inner)
+ test_utils.run_briefly(self.loop)
+ outer.cancel()
+ test_utils.run_briefly(self.loop)
+ inner.set_result(1)
+ test_utils.run_briefly(self.loop)
+ mock_handler.assert_not_called()
+
+ def test_shield_cancel_outer_exception(self):
+ mock_handler = mock.Mock()
+ self.loop.set_exception_handler(mock_handler)
+ inner = self.new_future(self.loop)
+ outer = asyncio.shield(inner)
+ test_utils.run_briefly(self.loop)
+ outer.cancel()
+ test_utils.run_briefly(self.loop)
+ inner.set_exception(Exception('foo'))
+ test_utils.run_briefly(self.loop)
+ mock_handler.assert_called_once()
+
+ def test_shield_duplicate_log_once(self):
+ mock_handler = mock.Mock()
+ self.loop.set_exception_handler(mock_handler)
+ inner = self.new_future(self.loop)
+ outer = asyncio.shield(inner)
+ test_utils.run_briefly(self.loop)
+ outer.cancel()
+ test_utils.run_briefly(self.loop)
+ outer = asyncio.shield(inner)
+ test_utils.run_briefly(self.loop)
+ outer.cancel()
+ test_utils.run_briefly(self.loop)
+ inner.set_exception(Exception('foo'))
+ test_utils.run_briefly(self.loop)
+ mock_handler.assert_called_once()
+
def test_shield_shortcut(self):
fut = self.new_future(self.loop)
fut.set_result(42)
@@ -2686,6 +2726,35 @@ class BaseTaskTests:
self.assertEqual([None, 1, 2], ret)
+ def test_eager_start_true(self):
+ name = None
+
+ async def asyncfn():
+ nonlocal name
+ name = self.current_task().get_name()
+
+ async def main():
+ t = self.new_task(coro=asyncfn(), loop=asyncio.get_running_loop(), eager_start=True, name="example")
+ self.assertTrue(t.done())
+ self.assertEqual(name, "example")
+ await t
+
+ def test_eager_start_false(self):
+ name = None
+
+ async def asyncfn():
+ nonlocal name
+ name = self.current_task().get_name()
+
+ async def main():
+ t = self.new_task(coro=asyncfn(), loop=asyncio.get_running_loop(), eager_start=False, name="example")
+ self.assertFalse(t.done())
+ self.assertIsNone(name)
+ await t
+ self.assertEqual(name, "example")
+
+ asyncio.run(main(), loop_factory=asyncio.EventLoop)
+
def test_get_coro(self):
loop = asyncio.new_event_loop()
coro = coroutine_function()
diff --git a/Lib/test/test_asyncio/test_tools.py b/Lib/test/test_asyncio/test_tools.py
index 2caf56172c9..ba36e759ccd 100644
--- a/Lib/test/test_asyncio/test_tools.py
+++ b/Lib/test/test_asyncio/test_tools.py
@@ -18,10 +18,18 @@ TEST_INPUTS_TREE = [
3,
"timer",
[
- [["awaiter3", "awaiter2", "awaiter"], 4],
- [["awaiter1_3", "awaiter1_2", "awaiter1"], 5],
- [["awaiter1_3", "awaiter1_2", "awaiter1"], 6],
- [["awaiter3", "awaiter2", "awaiter"], 7],
+ [[("awaiter3", "/path/to/app.py", 130),
+ ("awaiter2", "/path/to/app.py", 120),
+ ("awaiter", "/path/to/app.py", 110)], 4],
+ [[("awaiterB3", "/path/to/app.py", 190),
+ ("awaiterB2", "/path/to/app.py", 180),
+ ("awaiterB", "/path/to/app.py", 170)], 5],
+ [[("awaiterB3", "/path/to/app.py", 190),
+ ("awaiterB2", "/path/to/app.py", 180),
+ ("awaiterB", "/path/to/app.py", 170)], 6],
+ [[("awaiter3", "/path/to/app.py", 130),
+ ("awaiter2", "/path/to/app.py", 120),
+ ("awaiter", "/path/to/app.py", 110)], 7],
],
),
(
@@ -91,14 +99,14 @@ TEST_INPUTS_TREE = [
" │ └── __aexit__",
" │ └── _aexit",
" │ ├── (T) child1_1",
- " │ │ └── awaiter",
- " │ │ └── awaiter2",
- " │ │ └── awaiter3",
+ " │ │ └── awaiter /path/to/app.py:110",
+ " │ │ └── awaiter2 /path/to/app.py:120",
+ " │ │ └── awaiter3 /path/to/app.py:130",
" │ │ └── (T) timer",
" │ └── (T) child2_1",
- " │ └── awaiter1",
- " │ └── awaiter1_2",
- " │ └── awaiter1_3",
+ " │ └── awaiterB /path/to/app.py:170",
+ " │ └── awaiterB2 /path/to/app.py:180",
+ " │ └── awaiterB3 /path/to/app.py:190",
" │ └── (T) timer",
" └── (T) root2",
" └── bloch",
@@ -106,14 +114,14 @@ TEST_INPUTS_TREE = [
" └── __aexit__",
" └── _aexit",
" ├── (T) child1_2",
- " │ └── awaiter",
- " │ └── awaiter2",
- " │ └── awaiter3",
+ " │ └── awaiter /path/to/app.py:110",
+ " │ └── awaiter2 /path/to/app.py:120",
+ " │ └── awaiter3 /path/to/app.py:130",
" │ └── (T) timer",
" └── (T) child2_2",
- " └── awaiter1",
- " └── awaiter1_2",
- " └── awaiter1_3",
+ " └── awaiterB /path/to/app.py:170",
+ " └── awaiterB2 /path/to/app.py:180",
+ " └── awaiterB3 /path/to/app.py:190",
" └── (T) timer",
]
]
@@ -589,7 +597,6 @@ TEST_INPUTS_TABLE = [
class TestAsyncioToolsTree(unittest.TestCase):
-
def test_asyncio_utils(self):
for input_, tree in TEST_INPUTS_TREE:
with self.subTest(input_):
@@ -784,21 +791,21 @@ class TestAsyncioToolsBasic(unittest.TestCase):
class TestAsyncioToolsEdgeCases(unittest.TestCase):
def test_task_awaits_self(self):
- """A task directly awaits itself – should raise a cycle."""
+ """A task directly awaits itself - should raise a cycle."""
input_ = [(1, [(1, "Self-Awaiter", [[["loopback"], 1]])])]
with self.assertRaises(tools.CycleFoundException) as ctx:
tools.build_async_tree(input_)
self.assertIn([1, 1], ctx.exception.cycles)
def test_task_with_missing_awaiter_id(self):
- """Awaiter ID not in task list – should not crash, just show 'Unknown'."""
+ """Awaiter ID not in task list - should not crash, just show 'Unknown'."""
input_ = [(1, [(1, "Task-A", [[["coro"], 999]])])] # 999 not defined
table = tools.build_task_table(input_)
self.assertEqual(len(table), 1)
self.assertEqual(table[0][4], "Unknown")
def test_duplicate_coroutine_frames(self):
- """Same coroutine frame repeated under a parent – should deduplicate."""
+ """Same coroutine frame repeated under a parent - should deduplicate."""
input_ = [
(
1,
@@ -822,7 +829,7 @@ class TestAsyncioToolsEdgeCases(unittest.TestCase):
self.assertIn("Task-1", flat)
def test_task_with_no_name(self):
- """Task with no name in id2name – should still render with fallback."""
+ """Task with no name in id2name - should still render with fallback."""
input_ = [(1, [(1, "root", [[["f1"], 2]]), (2, None, [])])]
# If name is None, fallback to string should not crash
tree = tools.build_async_tree(input_)