def test_invalid_syntax_raises_cypher_error(graph):
batch = WriteBatch(graph)
batch.append(CypherJob("X"))
try:
batch.submit()
except BatchError as error:
assert isinstance(error, BatchError)
cause = error.__cause__
assert isinstance(cause, GraphError)
assert cause.__class__.__name__ == "SyntaxException"
assert cause.exception == "SyntaxException"
assert cause.fullname in [None, "org.neo4j.cypher.SyntaxException"]
else:
assert False
def test_complex_relate(self):
alice, bob, carol, dave = self.graph.create(
{"name": "Alice"}, {"name": "Bob"},
{"name": "Carol"}, {"name": "Dave"}
)
batch = WriteBatch(self.graph)
batch.get_or_create_path(alice, ("IS~MARRIED~TO", {"since": 1996}), bob)
#batch.get_or_create((alice, "DISLIKES", carol, {"reasons": ["youth", "beauty"]}))
batch.get_or_create_path(alice, ("DISLIKES!", {"reason": "youth"}), carol)
rels1 = batch.submit()
assert rels1 is not None
assert len(rels1) == 2
batch = WriteBatch(self.graph)
batch.get_or_create_path(bob, ("WORKS WITH", {"since": 2004, "company": "Megacorp"}), carol)
#batch.get_or_create((alice, "DISLIKES", carol, {"reasons": ["youth", "beauty"]}))
batch.get_or_create_path(alice, ("DISLIKES!", {"reason": "youth"}), carol)
batch.get_or_create_path(bob, ("WORKS WITH", {"since": 2009, "company": "Megacorp"}), dave)
rels2 = batch.submit()
assert rels2 is not None
assert len(rels2) == 3
assert rels1[1] == rels2[1]
