bpo-35394: Add empty slots to abstract asyncio protocols (#10889)

* bpo-35394: Add empty slots to abstract asyncio protocols

* Add missing test file

2 files changed, 57 insertions, 24 deletions

diff --git a/Lib/test/test_asyncio/test_events.py b/Lib/test/test_asyncio/test_events.py
index b76cfb7..9311a20 100644
--- a/Lib/test/test_asyncio/test_events.py
+++ b/Lib/test/test_asyncio/test_events.py
@@ -2486,30 +2486,6 @@ class AbstractEventLoopTests(unittest.TestCase):
         loop.close()
 
 
-class ProtocolsAbsTests(unittest.TestCase):
-
-    def test_empty(self):
-        f = mock.Mock()
-        p = asyncio.Protocol()
-        self.assertIsNone(p.connection_made(f))
-        self.assertIsNone(p.connection_lost(f))
-        self.assertIsNone(p.data_received(f))
-        self.assertIsNone(p.eof_received())
-
-        dp = asyncio.DatagramProtocol()
-        self.assertIsNone(dp.connection_made(f))
-        self.assertIsNone(dp.connection_lost(f))
-        self.assertIsNone(dp.error_received(f))
-        self.assertIsNone(dp.datagram_received(f, f))
-
-        sp = asyncio.SubprocessProtocol()
-        self.assertIsNone(sp.connection_made(f))
-        self.assertIsNone(sp.connection_lost(f))
-        self.assertIsNone(sp.pipe_data_received(1, f))
-        self.assertIsNone(sp.pipe_connection_lost(1, f))
-        self.assertIsNone(sp.process_exited())
-
-
 class PolicyTests(unittest.TestCase):
 
     def test_event_loop_policy(self):
diff --git a/Lib/test/test_asyncio/test_protocols.py b/Lib/test/test_asyncio/test_protocols.py
new file mode 100644
index 0000000..438111c
--- /dev/null
+++ b/Lib/test/test_asyncio/test_protocols.py
@@ -0,0 +1,57 @@
+import unittest
+from unittest import mock
+
+import asyncio
+
+
+class ProtocolsAbsTests(unittest.TestCase):
+
+    def test_base_protocol(self):
+        f = mock.Mock()
+        p = asyncio.BaseProtocol()
+        self.assertIsNone(p.connection_made(f))
+        self.assertIsNone(p.connection_lost(f))
+        self.assertIsNone(p.pause_writing())
+        self.assertIsNone(p.resume_writing())
+        self.assertFalse(hasattr(p, '__dict__'))
+
+    def test_protocol(self):
+        f = mock.Mock()
+        p = asyncio.Protocol()
+        self.assertIsNone(p.connection_made(f))
+        self.assertIsNone(p.connection_lost(f))
+        self.assertIsNone(p.data_received(f))
+        self.assertIsNone(p.eof_received())
+        self.assertIsNone(p.pause_writing())
+        self.assertIsNone(p.resume_writing())
+        self.assertFalse(hasattr(p, '__dict__'))
+
+    def test_buffered_protocol(self):
+        f = mock.Mock()
+        p = asyncio.BufferedProtocol()
+        self.assertIsNone(p.connection_made(f))
+        self.assertIsNone(p.connection_lost(f))
+        self.assertIsNone(p.get_buffer(100))
+        self.assertIsNone(p.buffer_updated(150))
+        self.assertIsNone(p.pause_writing())
+        self.assertIsNone(p.resume_writing())
+        self.assertFalse(hasattr(p, '__dict__'))
+
+    def test_datagram_protocol(self):
+        f = mock.Mock()
+        dp = asyncio.DatagramProtocol()
+        self.assertIsNone(dp.connection_made(f))
+        self.assertIsNone(dp.connection_lost(f))
+        self.assertIsNone(dp.error_received(f))
+        self.assertIsNone(dp.datagram_received(f, f))
+        self.assertFalse(hasattr(dp, '__dict__'))
+
+    def test_subprocess_protocol(self):
+        f = mock.Mock()
+        sp = asyncio.SubprocessProtocol()
+        self.assertIsNone(sp.connection_made(f))
+        self.assertIsNone(sp.connection_lost(f))
+        self.assertIsNone(sp.pipe_data_received(1, f))
+        self.assertIsNone(sp.pipe_connection_lost(1, f))
+        self.assertIsNone(sp.process_exited())
+        self.assertFalse(hasattr(sp, '__dict__'))