diff options
Diffstat (limited to 'Lib/test/test_subprocess.py')
| -rw-r--r-- | Lib/test/test_subprocess.py | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py index 6f498b8..c4bc3d0 100644 --- a/Lib/test/test_subprocess.py +++ b/Lib/test/test_subprocess.py @@ -56,7 +56,7 @@ class ProcessTestCase(unittest.TestCase): def test_stdout_none(self): # .stdout is None when not redirected - p = subprocess.Popen([sys.executable, "-c", + p = subprocess.Popen([sys.executable, "-c", 'print " this bit of output is from a ' 'test of stdout in a different ' 'process ..."'], @@ -350,11 +350,16 @@ class ProcessTestCase(unittest.TestCase): def test_poll(self): p = subprocess.Popen([sys.executable, - "-c", "import time; time.sleep(4)"]) - while p.poll() == None: - sys.stdout.write(".") - sys.stdout.flush() - time.sleep(0.5) + "-c", "import time; time.sleep(1)"]) + count = 0 + while p.poll() is None: + time.sleep(0.1) + count += 1 + # We expect that the poll loop probably went around about 10 times, + # but, based on system scheduling we can't control, it's possible + # poll() never returned None. It "should be" very rare that it + # didn't go around at least twice. + self.assert_(count >= 2) # Subsequent invocations should just return the returncode self.assertEqual(p.poll(), 0) |