def test_is_resolved__simplest_case(self):
vmap = VerticesMap(None)
a = Vertex('a', vmap)
a.depends_on('b')
self.assertFalse(a.is_resolved())
b = vmap['b']
self.assertFalse(b.is_resolved())
b.payload = 'payload for vert-b'
self.assertFalse(a.is_resolved())
self.assertTrue(b.is_resolved())
a.payload = 'payload for vert-a'
self.assertTrue(a.is_resolved())
self.assertTrue(b.is_resolved())
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_is_resolved__simplest_case(self):
dag = DepDag()
a = Vertex('a', dag)
a.depends_on('b')
self.assertFalse(a.is_resolved())
b = dag['b']
self.assertFalse(b.is_resolved())
b.payload = 'payload for vert-b'
self.assertFalse(a.is_resolved())
self.assertTrue(b.is_resolved())
a.payload = 'payload for vert-a'
self.assertTrue(a.is_resolved())
self.assertTrue(b.is_resolved())
def test_provide_payload(self):
vertex = Vertex('vertex_33', VerticesMap(None))
self.assertFalse(vertex.provided)
vertex.payload = "any payload would do"
self.assertTrue(vertex.provided)
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())