def test_has_payload__for_callable(self):
vertex = Vertex('vertex_44', DepDag())
self.assertFalse(vertex.has_payload())
call_log = list()
def has_payload_callback():
call_log.append('CALLED')
return True
vertex.payload = has_payload_callback
self.assertTrue(vertex.has_payload())
self.assertEqual(['CALLED'], call_log)
def test_has_payload__for_object(self):
vertex = Vertex('vertex_33', DepDag())
self.assertFalse(vertex.has_payload())
vertex.payload = "any payload would do"
self.assertTrue(vertex.has_payload())
def test_creation__test_name(self):
vertex = Vertex('vertex_11', DepDag())
self.assertEqual('vertex_11', vertex.name)
self.assertFalse(vertex.has_payload())