[Python-checkins] bpo-33532: Fix multiprocessing test_ignore() (GH-7262)

Wed May 30 23:28:09 EDT 2018

https://github.com/python/cpython/commit/9d273344238330d634acb4a7d427a8fb732ae62e
commit: 9d273344238330d634acb4a7d427a8fb732ae62e
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2018年05月30日T20:28:04-07:00
summary:
bpo-33532: Fix multiprocessing test_ignore() (GH-7262)
Fix test_ignore() of multiprocessing tests like
test_multiprocessing_forkserver: use support.PIPE_MAX_SIZE to make
sure that send_bytes() blocks.
(cherry picked from commit 5d6c7ed5e340b2311a15f34e968d4bef09c71922)
Co-authored-by: Victor Stinner <vstinner at redhat.com>
files:
M Lib/test/_test_multiprocessing.py

diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index aa8eb7564130..f29dda70029b 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -4303,7 +4303,7 @@ def handler(signum, frame):
 conn.send('ready')
 x = conn.recv()
 conn.send(x)
- conn.send_bytes(b'x' * (1024 * 1024)) # sending 1 MiB should block
+ conn.send_bytes(b'x' * support.PIPE_MAX_SIZE)
 
 @unittest.skipUnless(hasattr(signal, 'SIGUSR1'), 'requires SIGUSR1')
 def test_ignore(self):
@@ -4322,7 +4322,7 @@ def test_ignore(self):
 self.assertEqual(conn.recv(), 1234)
 time.sleep(0.1)
 os.kill(p.pid, signal.SIGUSR1)
- self.assertEqual(conn.recv_bytes(), b'x'*(1024*1024))
+ self.assertEqual(conn.recv_bytes(), b'x' * support.PIPE_MAX_SIZE)
 time.sleep(0.1)
 p.join()
 finally:
