Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / amd64 / lib / python2.4 / test / test_dircache.py

"""
 Test cases for the dircache module
 Nick Mathewson
"""

import unittest
from test.test_support import run_unittest, TESTFN
import dircache, os, time, sys, tempfile


class DircacheTests(unittest.TestCase):
   def setUp(self):
       self.tempdir = tempfile.mkdtemp()

   def tearDown(self):
       for fname in os.listdir(self.tempdir):
           self.delTemp(fname)
       os.rmdir(self.tempdir)

   def writeTemp(self, fname):
       f = open(os.path.join(self.tempdir, fname), 'w')
       f.close()

   def mkdirTemp(self, fname):
       os.mkdir(os.path.join(self.tempdir, fname))

   def delTemp(self, fname):
       fname = os.path.join(self.tempdir, fname)
       if os.path.isdir(fname):
           os.rmdir(fname)
       else:
           os.unlink(fname)

   def test_listdir(self):
       ## SUCCESSFUL CASES
       entries = dircache.listdir(self.tempdir)
       self.assertEquals(entries, [])

       # Check that cache is actually caching, not just passing through.
       self.assert_(dircache.listdir(self.tempdir) is entries)

       # Directories aren't "files" on Windows, and directory mtime has
       # nothing to do with when files under a directory get created.
       # That is, this test can't possibly work under Windows -- dircache
       # is only good for capturing a one-shot snapshot there.

       if sys.platform[:3] not in ('win', 'os2'):
           # Sadly, dircache has the same granularity as stat.mtime, and so
           # can't notice any changes that occured within 1 sec of the last
           # time it examined a directory.
           time.sleep(1)
           self.writeTemp("test1")
           entries = dircache.listdir(self.tempdir)
           self.assertEquals(entries, ['test1'])
           self.assert_(dircache.listdir(self.tempdir) is entries)

       ## UNSUCCESSFUL CASES
       self.assertRaises(OSError, dircache.listdir, self.tempdir+"_nonexistent")

   def test_annotate(self):
       self.writeTemp("test2")
       self.mkdirTemp("A")
       lst = ['A', 'test2', 'test_nonexistent']
       dircache.annotate(self.tempdir, lst)
       self.assertEquals(lst, ['A/', 'test2', 'test_nonexistent'])


def test_main():
   run_unittest(DircacheTests)


if __name__ == "__main__":
   test_main()