75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
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"""
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Test cases for the dircache module
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Nick Mathewson
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"""
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import unittest
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from test.test_support import is_jython, run_unittest, TESTFN
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import dircache, os, time, sys, tempfile
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class DircacheTests(unittest.TestCase):
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def setUp(self):
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self.tempdir = tempfile.mkdtemp()
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def tearDown(self):
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for fname in os.listdir(self.tempdir):
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self.delTemp(fname)
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os.rmdir(self.tempdir)
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def writeTemp(self, fname):
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f = open(os.path.join(self.tempdir, fname), 'w')
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f.close()
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def mkdirTemp(self, fname):
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os.mkdir(os.path.join(self.tempdir, fname))
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def delTemp(self, fname):
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fname = os.path.join(self.tempdir, fname)
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if os.path.isdir(fname):
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os.rmdir(fname)
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else:
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os.unlink(fname)
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def test_listdir(self):
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## SUCCESSFUL CASES
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entries = dircache.listdir(self.tempdir)
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self.assertEquals(entries, [])
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# Check that cache is actually caching, not just passing through.
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self.assert_(dircache.listdir(self.tempdir) is entries)
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# Directories aren't "files" on Windows, and directory mtime has
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# nothing to do with when files under a directory get created.
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# That is, this test can't possibly work under Windows -- dircache
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# is only good for capturing a one-shot snapshot there.
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if (sys.platform[:3] not in ('win', 'os2') and
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(not is_jython or os._name != 'nt')):
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# Sadly, dircache has the same granularity as stat.mtime, and so
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# can't notice any changes that occurred within 1 sec of the last
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# time it examined a directory.
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time.sleep(1)
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self.writeTemp("test1")
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entries = dircache.listdir(self.tempdir)
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self.assertEquals(entries, ['test1'])
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self.assert_(dircache.listdir(self.tempdir) is entries)
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## UNSUCCESSFUL CASES
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self.assertRaises(OSError, dircache.listdir, self.tempdir+"_nonexistent")
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def test_annotate(self):
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self.writeTemp("test2")
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self.mkdirTemp("A")
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lst = ['A', 'test2', 'test_nonexistent']
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dircache.annotate(self.tempdir, lst)
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self.assertEquals(lst, ['A/', 'test2', 'test_nonexistent'])
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def test_main():
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run_unittest(DircacheTests)
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if __name__ == "__main__":
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test_main()
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