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#! /usr/bin/python
from bzrlib.branch import ScratchBranch
from bzrlib.errors import NotBranchError
from unittest import TestCase
import os, unittest
class BranchPathTestCase(TestCase):
"""test for branch path lookups
Branch.relpath and bzrlib.branch._relpath do a simple but subtle
job: given a path (either relative to cwd or absolute), work out
if it is inside a branch and return the path relative to the base.
"""
def runTest(self):
from bzrlib.branch import _relpath
import tempfile, shutil
savedir = os.getcwdu()
dtmp = tempfile.mkdtemp()
def rp(p):
return _relpath(dtmp, p)
try:
# check paths inside dtmp while standing outside it
self.assertEqual(rp(os.path.join(dtmp, 'foo')), 'foo')
# root = nothing
self.assertEqual(rp(dtmp), '')
self.assertRaises(NotBranchError,
rp,
'/etc')
# now some near-miss operations -- note that
# os.path.commonprefix gets these wrong!
self.assertRaises(NotBranchError,
rp,
dtmp.rstrip('\\/') + '2')
self.assertRaises(NotBranchError,
rp,
dtmp.rstrip('\\/') + '2/foo')
# now operations based on relpath of files in current
# directory, or nearby
os.chdir(dtmp)
self.assertEqual(rp('foo/bar/quux'), 'foo/bar/quux')
self.assertEqual(rp('foo'), 'foo')
self.assertEqual(rp('./foo'), 'foo')
self.assertEqual(rp(os.path.abspath('foo')), 'foo')
self.assertRaises(NotBranchError,
rp, '../foo')
finally:
os.chdir(savedir)
shutil.rmtree(dtmp)
if __name__ == '__main__':
unittest.main()
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