def test_match_and_remove():
G = Graph()
G.add_node(Node("test0"))
G.add_node(Node("test1"))
G.add_node(Node('test2'))
G.add_edge(Edge('test0', 'test1'))
G.add_edge(Edge('test1', 'test2'))
G.add_edge(Edge('test1', Node('test3')))
G.add_node(Node('test4'))
G.add_edge(Edge('test2', 'test4'))
G.add_edge(Edge('test3', 'test4'))
G.add_edge(Edge('test4', Node('test5')))
fragment = Graph()
fragment.add_node(MatchNameNode("test1"))
fragment.add_node(MatchNameNode('test2'))
fragment.add_edge(Edge('test1', 'test2'))
fragment.add_edge(Edge('test1', MatchNameNode('test3')))
res = G.match_fragment(fragment)
assert len(res) == 1
assert res[0].num_nodes() == 3
assert res[0].num_edges() == 2
G.remove_fragment(res[0])
assert [node.name for node in G.dfs()] == ['test0', 'test4', 'test5']
assert not G.verify_edges()
def test_match1():
G = Graph()
G.add_node(Node("test1"))
G.add_node(Node('test2'))
G.add_edge(Edge('test1', 'test2'))
G.add_edge(Edge('test2', Node('test3')))
G.add_node(Node('test4'))
G.add_edge(Edge('test3', 'test4'))
assert not G.verify_edges()
fragment = Graph()
fragment.add_node(MatchNameNode("test1"))
fragment.add_node(MatchNameNode('test2'))
fragment.add_edge(Edge('test1', 'test2'))
assert not fragment.verify_edges()
res = G.match_fragment(fragment)
assert len(res) == 1
assert len(res[0]) == 2
assert res[0].num_edges() == 1
def test_match3():
G = Graph()
G.add_node(Node("test1"))
G.add_node(Node('test2'))
G.add_edge(Edge('test1', 'test2'))
G.add_edge(Edge('test1', Node('test3')))
G.add_node(Node('test4'))
G.add_edge(Edge('test2', 'test4'))
# not the same - look here
fragment = Graph()
fragment.add_node(MatchNameNode("test1"))
fragment.add_node(MatchNameNode('test2'))
fragment.add_edge(Edge('test1', 'test2'))
fragment.add_edge(Edge('test1', MatchNameNode('test3')))
res = G.match_fragment(fragment)
assert len(res) == 1
assert res[0].num_nodes() == 3
assert res[0].num_edges() == 2
def test_match4():
G = Graph()
G.add_node(Node("test1"))
G.add_node(Node('test2'))
G.add_node(Node('test3'))
G.add_node(Node('test4'))
G.add_node(Node('test5'))
G.add_edge(Edge('test1', 'test2'))
G.add_edge(Edge('test2', 'test4'))
G.add_edge(Edge('test3', 'test4', to_idx=1))
G.add_edge(Edge('test4', 'test5'))
fragment = Graph()
fragment.add_node(MatchNameNode("test2"))
fragment.add_node(MatchNameNode('test3'))
fragment.add_node(MatchNameNode('test4'))
fragment.add_edge(Edge('test2', 'test4'))
fragment.add_edge(Edge('test3', 'test4', to_idx=1))
res = G.match_fragment(fragment)
assert len(res) == 1
assert res[0].num_nodes() == 3
assert res[0].num_edges() == 2