~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2010 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests of bzrlib test matchers."""

from testtools.matchers import *

from bzrlib.tests import TestCase

from bzrlib.tests.matchers import *

class StubTree(object):

    """Stubg for testing."""

    def __init__(self, lock_status):

        self._is_locked = lock_status

    def __str__(self):

        return u'I am da tree'

    def is_locked(self):

        return self._is_locked

class FakeUnlockable(object):

    """Something that can be unlocked."""

    def unlock(self):

        pass

class TestReturnsUnlockable(TestCase):

    def test___str__(self):

        matcher = ReturnsUnlockable(StubTree(True))

        self.assertEqual(

            'ReturnsUnlockable(lockable_thing=I am da tree)',

            str(matcher))

    def test_match(self):

        stub_tree = StubTree(False)

        matcher = ReturnsUnlockable(stub_tree)

        self.assertThat(matcher.match(lambda:FakeUnlockable()), Equals(None))

    def test_mismatch(self):

        stub_tree = StubTree(True)

        matcher = ReturnsUnlockable(stub_tree)

        mismatch = matcher.match(lambda:FakeUnlockable())

        self.assertNotEqual(None, mismatch)

        self.assertThat(mismatch.describe(), Equals("I am da tree is locked"))