Merge branch 'testrun' into py316-deprecate

Author: johnzhou721

tests/test_run.py

@@ -0,0 +1,38 @@
+import asyncio
+import os
+from unittest.mock import ANY
+
+import pytest
+
+import qasync
+
+@pytest.fixture
+def get_event_loop_coro(expected_loop):
+    async def coro(expected_debug):
+        event_loop = asyncio.get_event_loop()
+        
+        assert type(event_loop).__name__ == expected_loop
+        assert event_loop.get_debug() == expected_debug
+        await asyncio.sleep(0)
+    return coro
+
+@pytest.fixture
+def expected_loop():
+    return "QIOCPEventLoop" if os.name == "nt" else "QSelectorEventLoop"
+
+def test_run_with_contextmanager(get_event_loop_coro):
+    asyncio.set_event_loop(None)
+    qasync.run(get_event_loop_coro(ANY))
+
+    with pytest.raises(RuntimeError):
+        _ = asyncio.get_event_loop()
+
+def test_run_reset_policy(get_event_loop_coro):
+    old_loop = asyncio.new_event_loop()
+    qasync.run(get_event_loop_coro(ANY))
+    new_loop = asyncio.new_event_loop()
+    assert type(old_loop) == type(new_loop)
+
+def test_run_debug(get_event_loop_coro):
+    qasync.run(get_event_loop_coro(True), debug=True)
+    qasync.run(get_event_loop_coro(False), debug=False)