bpo-33532: Fix multiprocessing test_ignore() (GH-7265)
Fix test_multiprocessing.test_ignore(): use support.PIPE_MAX_SIZE
to make sure that send_bytes() blocks.
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index 1071d7f..b293e2f 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -2689,7 +2689,7 @@
conn.send('ready')
x = conn.recv()
conn.send(x)
- conn.send_bytes(b'x'*(1024*1024)) # sending 1 MB should block
+ conn.send_bytes(b'x' * test_support.PIPE_MAX_SIZE)
@unittest.skipUnless(hasattr(signal, 'SIGUSR1'), 'requires SIGUSR1')
def test_ignore(self):
@@ -2708,7 +2708,8 @@
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' * test_support.PIPE_MAX_SIZE)
time.sleep(0.1)
p.join()
finally: