def test_can_parse_longer_path(self):
nodes, rels, entries = parse('(A)-[:KNOWS]->'
'(B)-[:KNOWS]->'
'(C)<-[:KNOWS]-'
'(D)')
assert nodes == {
"A": geoff.AbstractNode("A", {}),
"B": geoff.AbstractNode("B", {}),
"C": geoff.AbstractNode("C", {}),
"D": geoff.AbstractNode("D", {}),
}
assert rels == [
geoff.AbstractRelationship(nodes["A"], "KNOWS", {}, nodes["B"]),
geoff.AbstractRelationship(nodes["B"], "KNOWS", {}, nodes["C"]),
geoff.AbstractRelationship(nodes["D"], "KNOWS", {}, nodes["C"]),
]
assert entries == {}
def test_can_parse_relationship(self):
nodes, rels, entries = parse('(A)-[:KNOWS]->(B) {"since": 1999}')
assert nodes == {
"A": geoff.AbstractNode("A", {}),
"B": geoff.AbstractNode("B", {}),
}
assert rels == [
geoff.AbstractRelationship(nodes["A"], "KNOWS", {"since": 1999}, nodes["B"]),
]
assert entries == {}
def test_can_parse_longer_path_and_data(self):
nodes, rels, entries = parse(
'(A {"name":"Alice","age":34})-[:KNOWS {since:1999}]->'
'(B {"name":"Bob"})-[:KNOWS {friends:true}]->'
'(C {"name":"Carol"})<-[:KNOWS]-'
'(D {"name":"Dave"})'
)
assert nodes == {
"A": geoff.AbstractNode("A", {"name": "Alice", "age": 34}),
"B": geoff.AbstractNode("B", {"name": "Bob"}),
"C": geoff.AbstractNode("C", {"name": "Carol"}),
"D": geoff.AbstractNode("D", {"name": "Dave"}),
}
assert rels == [
geoff.AbstractRelationship(nodes["A"], "KNOWS", {"since": 1999}, nodes["B"]),
geoff.AbstractRelationship(nodes["B"], "KNOWS", {"friends": True}, nodes["C"]),
geoff.AbstractRelationship(nodes["D"], "KNOWS", {}, nodes["C"]),
]
assert entries == {}