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Viewing changes to bzrlib/tests/test_whitebox.py

  • Committer: Aaron Bentley
  • Date: 2006-05-19 18:50:05 UTC
  • mto: This revision was merged to the branch mainline in revision 1738.
  • Revision ID: abentley@panoramicfeedback.com-20060519185005-c884556a44fe1d13
Restore path-orientation of ChangesetTree

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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
 
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        from bzrlib.osutils import rmtree
 
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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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            rmtree(dtmp)