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gh-103462: Ensure SelectorSocketTransport.writelines registers a writer when data is still pending #103463

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Merged
kumaraditya303 merged 7 commits into from
Apr 13, 2023
Merged

gh-103462: Ensure SelectorSocketTransport.writelines registers a writer when data is still pending #103463

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273e1e7
Add explicit tests for writelines
alisaifee Apr 11, 2023
ce03f17
Schedule writer for remaining buffer in writelines
alisaifee Apr 12, 2023
8d2d34c
Merge branch 'main' into fix-incomplete-writeline
alisaifee Apr 12, 2023
c5a071e
Ensure tests using sendmsg are marked with skip
alisaifee Apr 12, 2023
7f2b1e7
Add NEWS entry
alisaifee Apr 12, 2023
d2bdce2
Merge branch 'main' into fix-incomplete-writeline
alisaifee Apr 12, 2023
239a80f
Update Misc/NEWS.d/next/Library/2023-04-12-06-00-02.gh-issue-103462.w…
kumaraditya303 Apr 13, 2023
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Ensure tests using sendmsg are marked with skip 
When the platform (windows) doesn't support it
skip tests for writelines using sendmsg
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@alisaifee
alisaifee committed Apr 12, 2023
commit c5a071e3f40cff537d71329ca05b91dcc1dbc6ad
6 changes: 4 additions & 2 deletions Lib/test/test_asyncio/test_selector_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -747,6 +747,7 @@ def test_write_sendmsg_no_data(self):
self.assertFalse(self.sock.sendmsg.called)
self.assertEqual(list_to_buffer([b'data']), transport._buffer)

@unittest.skipUnless(selector_events._HAS_SENDMSG, 'no sendmsg')
def test_writelines_sendmsg_full(self):
data = memoryview(b'data')
self.sock.sendmsg = mock.Mock()
Expand All @@ -757,6 +758,7 @@ def test_writelines_sendmsg_full(self):
self.assertTrue(self.sock.sendmsg.called)
self.assertFalse(self.loop.writers)

@unittest.skipUnless(selector_events._HAS_SENDMSG, 'no sendmsg')
def test_writelines_sendmsg_partial(self):
data = memoryview(b'data')
self.sock.sendmsg = mock.Mock()
Expand All @@ -772,7 +774,7 @@ def test_writelines_send_full(self):
self.sock.send.return_value = len(data)
self.sock.send.fileno.return_value = 7

transport = self.socket_transport(sendmsg=False)
transport = self.socket_transport()
transport.writelines([data])
self.assertTrue(self.sock.send.called)
self.assertFalse(self.loop.writers)
Expand All @@ -782,7 +784,7 @@ def test_writelines_send_partial(self):
self.sock.send.return_value = 2
self.sock.send.fileno.return_value = 7

transport = self.socket_transport(sendmsg=False)
transport = self.socket_transport()
transport.writelines([data])
self.assertTrue(self.sock.send.called)
self.assertTrue(self.loop.writers)
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