示例#1
0
def test_node_collection():
    graph = Graph()
    a = graph.add_node('a')
    b = graph.add_node('b')
    c = graph.add_node('c')
    actual = graph.get_nodes()
    assert actual == [a, b, c]
示例#2
0
def test_empty_graph():
    graph = Graph()
    actual = graph.get_nodes()
    assert actual == None