def test_rollback(self):
'VersionedStorage "rollback" method'
d = VersionedStorage()
d['a'] = 1
d._commit()
d['b'] = 2
self.assertEqual(d.as_dict(), {'a': 1, 'b': 2})
d._rollback()
self.assertEqual(d.as_dict(), {'a': 1})
self.assertEqual(d._VersionedStorage__stack, [{}])
def test_rollback(self):
'VersionedStorage "rollback" method'
d = VersionedStorage()
d['a'] = 1
d._commit()
d['b'] = 2
self.assertEqual(d.as_dict(), {'a': 1, 'b': 2})
d._rollback()
self.assertEqual(d.as_dict(), {'a': 1})
self.assertEqual(d._VersionedStorage__stack, [{}])
def test_rollback_empty(self):
'VersionedStorage "rollback" method on empty dict'
d = VersionedStorage()
d._rollback()
self.assertEqual(d._VersionedStorage__stack, [{}])
self.assert_(not d._modified)
def test_rollback_empty(self):
'VersionedStorage "rollback" method on empty dict'
d = VersionedStorage()
d._rollback()
self.assertEqual(d._VersionedStorage__stack, [{}])
self.assert_(not d._modified)