bpo-31904: Skip some asyncio tests on VxWorks (#23815)

Author: pxinwr

Lib/test/test_asyncio/test_base_events.py

@@ -1745,6 +1745,8 @@ class FakeSock:
  MyDatagramProto, allow_broadcast=True, sock=FakeSock())
  self.assertRaises(ValueError, self.loop.run_until_complete, fut)
 
+ @unittest.skipIf(sys.platform == 'vxworks',
+ "SO_BROADCAST is enabled by default on VxWorks")
  def test_create_datagram_endpoint_sockopts(self):
  # Socket options should not be applied unless asked for.
  # SO_REUSEPORT is not available on all platforms.

Lib/test/test_asyncio/test_events.py

@@ -22,7 +22,7 @@
 from unittest import mock
 import weakref
 
-if sys.platform != 'win32':
+if sys.platform not in ('win32', 'vxworks'):
  import tty
 
 import asyncio
@@ -465,6 +465,8 @@ def my_handler():
  self.assertFalse(self.loop.remove_signal_handler(signal.SIGINT))
 
  @unittest.skipUnless(hasattr(signal, 'SIGALRM'), 'No SIGALRM')
+ @unittest.skipUnless(hasattr(signal, 'setitimer'),
+ 'need signal.setitimer()')
  def test_signal_handling_while_selecting(self):
  # Test with a signal actually arriving during a select() call.
  caught = 0
@@ -482,6 +484,8 @@ def my_handler():
  self.assertEqual(caught, 1)
 
  @unittest.skipUnless(hasattr(signal, 'SIGALRM'), 'No SIGALRM')
+ @unittest.skipUnless(hasattr(signal, 'setitimer'),
+ 'need signal.setitimer()')
  def test_signal_handling_args(self):
  some_args = (42,)
  caught = 0
@@ -1371,6 +1375,7 @@ async def connect():
 
  @unittest.skipUnless(sys.platform != 'win32',
  "Don't support pipes for Windows")
+ @unittest.skipUnless(hasattr(os, 'openpty'), 'need os.openpty()')
  def test_read_pty_output(self):
  proto = MyReadPipeProto(loop=self.loop)
 
@@ -1468,6 +1473,7 @@ def test_write_pipe_disconnect_on_close(self):
 
  @unittest.skipUnless(sys.platform != 'win32',
  "Don't support pipes for Windows")
+ @unittest.skipUnless(hasattr(os, 'openpty'), 'need os.openpty()')
  # select, poll and kqueue don't support character devices (PTY) on Mac OS X
  # older than 10.6 (Snow Leopard)
  @support.requires_mac_ver(10, 6)
@@ -1512,6 +1518,7 @@ def reader(data):
 
  @unittest.skipUnless(sys.platform != 'win32',
  "Don't support pipes for Windows")
+ @unittest.skipUnless(hasattr(os, 'openpty'), 'need os.openpty()')
  # select, poll and kqueue don't support character devices (PTY) on Mac OS X
  # older than 10.6 (Snow Leopard)
  @support.requires_mac_ver(10, 6)

Misc/NEWS.d/next/Tests/2020-12-17-15-42-44.bpo-31904.d8g3l0d5.rst

@@ -0,0 +1 @@
+Skip some asyncio tests on VxWorks.