def test_link_twice_then_unlink(self):
ent = Entity('c', 'd')
link_action = ActionLinkEntities('a', 'b')
link_action.execute(ent)
link_action.execute(ent)
self.assert_equal([('a', 'b')], ent.links)
unlink_action = ActionUnlinkEntities('a', 'b')
unlink_action.execute(ent)
self.assert_equal([], ent.links)
def test_link_twice_then_unlink(self):
ent = Entity('c', 'd')
link_action = ActionLinkEntities('a', 'b')
link_action.execute(ent)
link_action.execute(ent)
self.assert_equal([('a', 'b')], ent.links)
unlink_action = ActionUnlinkEntities('a', 'b')
unlink_action.execute(ent)
self.assert_equal([], ent.links)
def test_link_exe(self):
ent = Entity('c', 'd')
action = ActionLinkEntities('a', 'b')
action.execute(ent)
self.assert_equal([('a', 'b')], ent.links)
def test_link_exe(self):
ent = Entity('c', 'd')
action = ActionLinkEntities('a', 'b')
action.execute(ent)
self.assert_equal([('a', 'b')], ent.links)
def test_link_ent_str(self):
action = ActionLinkEntities('a', 'b')
self.assert_equals("link ('a', 'b')", str(action))
