def test_all_supporters(self):
vmap = VerticesMap(None)
a = Vertex('a', vmap)
a.depends_on('b')
b = vmap['b']
b.depends_on('c')
self.assertEqual(['b', 'c'], a.supporters(recurse=True))
def test_all_supporters(self):
dag = DepDag()
a = Vertex('a', dag)
a.depends_on('b')
b = dag['b']
b.depends_on('c')
self.assertEqual(['b', 'c'], names_list(a.all_supporters()))
def test_depends_on__test_supporters(self):
vtx = Vertex('vertex_0', VerticesMap(None))
vtx.depends_on('vertex_1', 'vertex_2')
expected = ['vertex_1', 'vertex_2']
self.assertEqual(expected, vtx.supporters(recurse=False))
vtx.depends_on('vertex_2', 'vertex_3')
expected = ['vertex_1', 'vertex_2', 'vertex_3']
self.assertEqual(expected, vtx.supporters(recurse=False))
def test_depends_on__test_supporters(self):
vertex = Vertex('vertex_0', DepDag())
vertex.depends_on('vertex_1', 'vertex_2')
expected = ['vertex_1', 'vertex_2']
self.assertEqual(expected, names_list(vertex.direct_supporters()))
vertex.depends_on('vertex_2', 'vertex_3')
expected = ['vertex_1', 'vertex_2', 'vertex_3']
self.assertEqual(expected, names_list(vertex.direct_supporters()))
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_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())