Revision: 6366
http://jython.svn.sourceforge.net/jython/?rev=6366&view=rev
Author: pjenvey
Date: 2009-05-23 02:01:49 +0000 (Sat, 23 May 2009)
Log Message:
-----------
from:
http://svn.python.org/projects/python/branches/release25-maint/Lib/test/test_popen2.py
Added Paths:
-----------
trunk/jython/Lib/test/test_popen2.py
Added: trunk/jython/Lib/test/test_popen2.py
===================================================================
--- trunk/jython/Lib/test/test_popen2.py (rev 0)
+++ trunk/jython/Lib/test/test_popen2.py 2009-05-23 02:01:49 UTC (rev 6366)
@@ -0,0 +1,78 @@
+#! /usr/bin/env python
+"""Test script for popen2.py
+ Christian Tismer
+"""
+
+import os
+import sys
+from test.test_support import TestSkipped, reap_children
+
+# popen2 contains its own testing routine
+# which is especially useful to see if open files
+# like stdin can be read successfully by a forked
+# subprocess.
+
+def main():
+ print "Test popen2 module:"
+ if (sys.platform[:4] == 'beos' or sys.platform[:6] == 'atheos') \
+ and __name__ != '__main__':
+ # Locks get messed up or something. Generally we're supposed
+ # to avoid mixing "posix" fork & exec with native threads, and
+ # they may be right about that after all.
+ raise TestSkipped, "popen2() doesn't work during import on " + sys.platform
+ try:
+ from os import popen
+ except ImportError:
+ # if we don't have os.popen, check that
+ # we have os.fork. if not, skip the test
+ # (by raising an ImportError)
+ from os import fork
+ import popen2
+ popen2._test()
+
+
+def _test():
+ # same test as popen2._test(), but using the os.popen*() API
+ print "Testing os module:"
+ import popen2
+ # When the test runs, there shouldn't be any open pipes
+ popen2._cleanup()
+ assert not popen2._active, "Active pipes when test starts " + repr([c.cmd for c in popen2._active])
+ cmd = "cat"
+ teststr = "ab cd\n"
+ if os.name == "nt":
+ cmd = "more"
+ # "more" doesn't act the same way across Windows flavors,
+ # sometimes adding an extra newline at the start or the
+ # end. So we strip whitespace off both ends for comparison.
+ expected = teststr.strip()
+ print "testing popen2..."
+ w, r = os.popen2(cmd)
+ w.write(teststr)
+ w.close()
+ got = r.read()
+ if got.strip() != expected:
+ raise ValueError("wrote %r read %r" % (teststr, got))
+ print "testing popen3..."
+ try:
+ w, r, e = os.popen3([cmd])
+ except:
+ w, r, e = os.popen3(cmd)
+ w.write(teststr)
+ w.close()
+ got = r.read()
+ if got.strip() != expected:
+ raise ValueError("wrote %r read %r" % (teststr, got))
+ got = e.read()
+ if got:
+ raise ValueError("unexpected %r on stderr" % (got,))
+ for inst in popen2._active[:]:
+ inst.wait()
+ popen2._cleanup()
+ if popen2._active:
+ raise ValueError("_active not empty")
+ print "All OK"
+
+main()
+_test()
+reap_children()
Property changes on: trunk/jython/Lib/test/test_popen2.py
___________________________________________________________________
Added: svn:keywords
+ Id
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