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Added three more testcases: Using communicate with only one of 

stdin/stdout/stderr redirected.
This commit is contained in:
Peter Astrand 2005-03-03 20:24:28 +00:00
parent b098fd7f89
commit cbac93c229
1 changed files with 23 additions and 0 deletions
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23
Lib/test/test_subprocess.py
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@ -248,6 +248,29 @@ class ProcessTestCase(unittest.TestCase):
env=newenv)
self.assertEqual(p.stdout.read(), "orange")
def test_communicate_stdin(self):
p = subprocess.Popen([sys.executable, "-c",
'import sys; sys.exit(sys.stdin.read() == "pear")'],
stdin=subprocess.PIPE)
p.communicate("pear")
self.assertEqual(p.returncode, 1)
def test_communicate_stdout(self):
p = subprocess.Popen([sys.executable, "-c",
'import sys; sys.stdout.write("pineapple")'],
stdout=subprocess.PIPE)
(stdout, stderr) = p.communicate()
self.assertEqual(stdout, "pineapple")
self.assertEqual(stderr, None)
def test_communicate_stderr(self):
p = subprocess.Popen([sys.executable, "-c",
'import sys; sys.stderr.write("pineapple")'],
stderr=subprocess.PIPE)
(stdout, stderr) = p.communicate()
self.assertEqual(stdout, None)
self.assertEqual(stderr, "pineapple")
def test_communicate(self):
p = subprocess.Popen([sys.executable, "-c",
'import sys,os;' \