Python MarkedPatternGraph.get_undirected_edges示例

示例#1

def test_remove_undirected_edge_when_not_exist():
    graph = MarkedPatternGraph(nodes=['a', 'b'])
    graph.remove_undirected_edge(('a', 'b'))

    assert set(graph.get_undirected_edges()) == set({})
    assert set(graph.get_unmarked_arrows()) == set({})
    assert set(graph.get_marked_arrows()) == set({})
    assert set(graph.get_bidirectional_edges()) == set({})
    assert set(graph.get_edges()) == set({})

示例#2

def test_bidirectional_edges():
    graph = MarkedPatternGraph(nodes=['a', 'b'])
    graph.add_undirected_edge(('a', 'b'))
    graph.add_arrowhead(('a', 'b'))
    graph.add_arrowhead(('b', 'a'))

    assert set(graph.get_undirected_edges()) == set({})
    assert set(graph.get_unmarked_arrows()) == set({})
    assert set(graph.get_marked_arrows()) == set({})
    assert set(graph.get_bidirectional_edges()) == set({frozenset({'a', 'b'})})

示例#3

def test_add_undirected_edge_instantiate():
    graph = MarkedPatternGraph(nodes=['a', 'b'], undirected_edges=[('a', 'b')])

    assert graph.get_undirected_edges() == set({frozenset({'a', 'b'})})

示例#4

def test_add_undirected_edge():
    graph = MarkedPatternGraph(nodes=['a', 'b'])
    graph.add_undirected_edge(('a', 'b'))

    assert graph.get_undirected_edges() == set({frozenset({'a', 'b'})})