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Viewing changes to bzrlib/tests/test_whitebox.py

  • Committer: mbp at sourcefrog
  • Date: 2005-04-10 04:19:28 UTC
  • Revision ID: mbp@sourcefrog.net-20050410041928-0619fb995df43d22d21313c6
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bzrlib/tests/test_whitebox.py
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import os
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import unittest
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from bzrlib.tests import TestCaseWithTransport, TestCase
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from bzrlib.branch import ScratchBranch, Branch
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from bzrlib.errors import PathNotChild
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from bzrlib.osutils import relpath, pathjoin, abspath, realpath
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class MoreTests(TestCaseWithTransport):
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    def test_relpath(self):
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        """test for branch path lookups
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        bzrlib.osutils._relpath do a simple but subtle
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        job: given a path (either relative to cwd or absolute), work out
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        if it is inside a branch and return the path relative to the base.
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        """
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        import tempfile, shutil
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        savedir = os.getcwdu()
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        dtmp = tempfile.mkdtemp()
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        # On Mac OSX, /tmp actually expands to /private/tmp
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        dtmp = realpath(dtmp)
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        def rp(p):
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            return relpath(dtmp, p)
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        try:
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            # check paths inside dtmp while standing outside it
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            self.assertEqual(rp(pathjoin(dtmp, 'foo')), 'foo')
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            # root = nothing
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            self.assertEqual(rp(dtmp), '')
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            self.assertRaises(PathNotChild,
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                              rp,
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                              '/etc')
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            # now some near-miss operations -- note that
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            # os.path.commonprefix gets these wrong!
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            self.assertRaises(PathNotChild,
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                              rp,
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                              dtmp.rstrip('\\/') + '2')
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            self.assertRaises(PathNotChild,
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                              rp,
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                              dtmp.rstrip('\\/') + '2/foo')
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            # now operations based on relpath of files in current
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            # directory, or nearby
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            os.chdir(dtmp)
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            self.assertEqual(rp('foo/bar/quux'), 'foo/bar/quux')
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            self.assertEqual(rp('foo'), 'foo')
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            self.assertEqual(rp('./foo'), 'foo')
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            self.assertEqual(rp(abspath('foo')), 'foo')
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            self.assertRaises(PathNotChild,
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                              rp, '../foo')
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        finally:
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            os.chdir(savedir)
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            shutil.rmtree(dtmp)