~bzr-pqm/bzr/bzr.dev

5200.3.1 by Robert Collins
Added ``bzrlib.tests.matchers`` as a place to put matchers, along with
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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 TestReturnsCallableLeavingObjectUnlocked(TestCase):
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    def test___str__(self):
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        matcher = ReturnsCallableLeavingObjectUnlocked(StubTree(True))
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        self.assertEqual(
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            'ReturnsCallableLeavingObjectUnlocked(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 = ReturnsCallableLeavingObjectUnlocked(stub_tree)
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        self.assertThat(matcher.match(lambda:lambda:None), Equals(None))
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    def test_mismatch(self):
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        stub_tree = StubTree(True)
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        matcher = ReturnsCallableLeavingObjectUnlocked(stub_tree)
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        mismatch = matcher.match(lambda:lambda:None)
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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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