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Viewing changes to bzrlib/tests/test_matchers.py

  • Committer: Martin Pool
  • Date: 2010-04-01 04:41:18 UTC
  • mto: This revision was merged to the branch mainline in revision 5128.
  • Revision ID: mbp@sourcefrog.net-20100401044118-shyctqc02ob08ngz
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bzrlib/tests/test_matchers.py
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# Copyright (C) 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests of bzrlib test matchers."""
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from testtools.matchers import *
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from bzrlib.tests import TestCase
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from bzrlib.tests.matchers import *
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class StubTree(object):
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    """Stubg for testing."""
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    def __init__(self, lock_status):
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        self._is_locked = lock_status
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    def __str__(self):
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        return u'I am da tree'
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    def is_locked(self):
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        return self._is_locked
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class FakeUnlockable(object):
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    """Something that can be unlocked."""
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    def unlock(self):
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        pass
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class TestReturnsUnlockable(TestCase):
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    def test___str__(self):
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        matcher = ReturnsUnlockable(StubTree(True))
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        self.assertEqual(
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            'ReturnsUnlockable(lockable_thing=I am da tree)',
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            str(matcher))
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    def test_match(self):
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        stub_tree = StubTree(False)
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        matcher = ReturnsUnlockable(stub_tree)
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        self.assertThat(matcher.match(lambda:FakeUnlockable()), Equals(None))
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    def test_mismatch(self):
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        stub_tree = StubTree(True)
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        matcher = ReturnsUnlockable(stub_tree)
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        mismatch = matcher.match(lambda:FakeUnlockable())
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        self.assertNotEqual(None, mismatch)
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        self.assertThat(mismatch.describe(), Equals("I am da tree is locked"))
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