def test_set_label(self):
lg = LabeledGraph()
lg.set_edge('v1', 'v2', 5)
lg.set_edge('v2', 'v3', 10)
self.assertEqual(5, lg.get_edge('v1', 'v2'))
self.assertEqual(10, lg.get_edge('v2', 'v3'))
def test_get_vertexes(self):
lg = LabeledGraph()
expected_vertexes = ('vertex1', 'vertex2')
for vertex in expected_vertexes:
lg.add_vertex(vertex)
result_vertexes = lg.vertexes()
self.assertEqual(2, len(result_vertexes))
self.assertEqual(set(expected_vertexes), set(result_vertexes))
def test_get_successors(self):
lg = LabeledGraph()
lg.set_edge('s1', 't1', 10)
lg.set_edge('s1', 't2', 10)
lg.set_edge('s1', 't3', 10)
lg.set_edge('s2', 't1', 10)
lg.set_edge('s2', 't2', 10)
self.assertEqual(set(lg.get_successors('s1')), set(['t1', 't2', 't3']))
self.assertEqual(set(lg.get_successors('s2')), set(['t1', 't2']))
def test_remove_vertex(self):
lg = LabeledGraph()
lg.set_edge('t1', 's1', 2)
lg.set_edge('t1', 's2', 3)
lg.remove_vertex('t1')
exp_vertexes = ['s1', 's2']
self.assertEqual(set(lg.vertexes()), set(exp_vertexes))
self.assertEqual(None, lg.get_edge('t1', 's1'))
self.assertEqual(None, lg.get_edge('t1', 's2'))
def clear(self):
self.links = LabeledGraph()
self.location_positions = {}
