add hg and python

1 files changed, 65 insertions, 0 deletions

diff --git a/sys/lib/python/test/test_commands.py b/sys/lib/python/test/test_commands.py
new file mode 100644
index 000000000..b72a1b9b6
--- /dev/null
+++ b/sys/lib/python/test/test_commands.py
@@ -0,0 +1,65 @@
+'''
+   Tests for commands module
+   Nick Mathewson
+'''
+import unittest
+import os, tempfile, re
+
+from test.test_support import TestSkipped, run_unittest, reap_children
+from commands import *
+
+# The module says:
+#   "NB This only works (and is only relevant) for UNIX."
+#
+# Actually, getoutput should work on any platform with an os.popen, but
+# I'll take the comment as given, and skip this suite.
+
+if os.name != 'posix':
+    raise TestSkipped('Not posix; skipping test_commands')
+
+
+class CommandTests(unittest.TestCase):
+
+    def test_getoutput(self):
+        self.assertEquals(getoutput('echo xyzzy'), 'xyzzy')
+        self.assertEquals(getstatusoutput('echo xyzzy'), (0, 'xyzzy'))
+
+        # we use mkdtemp in the next line to create an empty directory
+        # under our exclusive control; from that, we can invent a pathname
+        # that we _know_ won't exist.  This is guaranteed to fail.
+        dir = None
+        try:
+            dir = tempfile.mkdtemp()
+            name = os.path.join(dir, "foo")
+
+            status, output = getstatusoutput('cat ' + name)
+            self.assertNotEquals(status, 0)
+        finally:
+            if dir is not None:
+                os.rmdir(dir)
+
+    def test_getstatus(self):
+        # This pattern should match 'ls -ld /.' on any posix
+        # system, however perversely configured.  Even on systems
+        # (e.g., Cygwin) where user and group names can have spaces:
+        #     drwxr-xr-x   15 Administ Domain U     4096 Aug 12 12:50 /
+        #     drwxr-xr-x   15 Joe User My Group     4096 Aug 12 12:50 /
+        # Note that the first case above has a space in the group name
+        # while the second one has a space in both names.
+        pat = r'''d.........   # It is a directory.
+                  \+?          # It may have ACLs.
+                  \s+\d+       # It has some number of links.
+                  [^/]*        # Skip user, group, size, and date.
+                  /\.          # and end with the name of the file.
+               '''
+
+        self.assert_(re.match(pat, getstatus("/."), re.VERBOSE))
+
+
+def test_main():
+    run_unittest(CommandTests)
+    reap_children()
+
+
+if __name__ == "__main__":
+    test_main()