Issue #10093: ResourceWarnings are now issued when files and sockets are
deallocated without explicit closing. These warnings are silenced by
default, except in pydebug mode.
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 699efc0..e20364d 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -706,6 +706,23 @@
def test_sendall_interrupted_with_timeout(self):
self.check_sendall_interrupted(True)
+ def test_dealloc_warn(self):
+ sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ r = repr(sock)
+ with self.assertWarns(ResourceWarning) as cm:
+ sock = None
+ support.gc_collect()
+ self.assertIn(r, str(cm.warning.args[0]))
+ # An open socket file object gets dereferenced after the socket
+ sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ f = sock.makefile('rb')
+ r = repr(sock)
+ sock = None
+ support.gc_collect()
+ with self.assertWarns(ResourceWarning):
+ f = None
+ support.gc_collect()
+
@unittest.skipUnless(thread, 'Threading required for this test.')
class BasicTCPTest(SocketConnectedTest):