Python Graph.delete_edge Examples

Example #1

File: test_simple_graph.py Project: jaredscarr/data-structures

def test_delete_edge_key_error():
    """Test if KeyError exception is raised."""
    from simple_graph import Graph
    graph = Graph()
    graph.add_node('egg')
    with pytest.raises(KeyError):
        graph.delete_edge('dog', 'egg')

Example #2

File: test_simple_graph.py Project: jaredscarr/data-structures

def test_delete_edge_key_error():
    """Test if KeyError exception is raised."""
    from simple_graph import Graph
    graph = Graph()
    graph.add_node('egg')
    with pytest.raises(KeyError):
        graph.delete_edge('dog', 'egg')

Example #3

File: test_simple_graph.py Project: jaredscarr/data-structures

def test_delete_edge_in_graph():
    """Test if an edge between two nodes is removed."""
    from simple_graph import Graph
    graph = Graph()
    graph.add_node('chicken')
    graph.add_node('egg')
    graph.add_edge('egg', 'chicken')
    graph.delete_edge('egg', 'chicken')
    assert graph.container['egg'] == {}

Example #4

File: test_simple_graph.py Project: jaredscarr/data-structures

def test_delete_edge_in_graph():
    """Test if an edge between two nodes is removed."""
    from simple_graph import Graph
    graph = Graph()
    graph.add_node('chicken')
    graph.add_node('egg')
    graph.add_edge('egg', 'chicken')
    graph.delete_edge('egg', 'chicken')
    assert graph.container['egg'] == {}