@@ -0,0 +1,763 @@
+%22%22%22Test simple graph module.%22%22%22%0Aimport pytest%0A%0A%0A@pytest.fixture%0Adef node():%0A    %22%22%22Return node.%22%22%22%0A    from simple_graph import Node%0A    return Node()%0A%0A%0A@pytest.fixture%0Adef another_node():%0A    %22%22%22Return another_node.%22%22%22%0A    from simple_graph import Node%0A    return Node()%0A%0A%0A@pytest.fixture%0Adef graph():%0A    %22%22%22Return initialized graph.%22%22%22%0A    from simple_graph import Graph%0A    return Graph()%0A%0A%0Adef test_add_node(graph, node):%0A    %22%22%22Test add_node adds node to graph.%22%22%22%0A    graph.add_node(node)%0A    assert node in graph.nodes%0A%0A%0Adef test_add_edge(graph, node, another_node):%0A    %22%22%22Test that add_edge adds edge with source and dest.%22%22%22%0A    graph.add_edge(node, another_node)%0A    assert graph.edges%5B0%5D.source is node%0A    assert graph.edges%5B0%5D.dest is another_node%0A

test add node, add edge, graph and node fixtures.