def test_can_push_relationship(graph):
local = Rel("KNOWS", since=1999)
remote = Rel("KNOWS")
a, b, ab = graph.create({}, {}, (0, remote, 1))
assert ab.properties == {}
local.bind(ab.uri)
ab.push()
local.pull()
assert local.properties == remote.properties
def test_can_push_rel(graph):
local = Rel("KNOWS", since=1999)
remote = Rel("KNOWS")
graph.create({}, {}, (0, remote, 1))
assert remote.properties == {}
local.bind(remote.uri)
local.push()
remote.pull()
assert local.properties == remote.properties
def test_can_bind_rel_to_resource():
uri = "http://localhost:7474/db/relationship/1"
rel = Rel()
rel.bind(uri)
assert rel.bound
assert isinstance(rel.resource, Resource)
assert rel.resource.uri == uri
rel.unbind()
assert not rel.bound
with pytest.raises(BindError):
r = rel.resource
def test_can_push_rel(graph):
local = Rel("KNOWS", since=1999)
remote = Rel("KNOWS")
graph.create({}, {}, (0, remote, 1))
assert remote.properties == {}
local.bind(remote.uri)
local.push()
remote.pull()
assert local.properties == remote.properties
def test_can_push_relationship(graph):
local = Rel("KNOWS", since=1999)
remote = Rel("KNOWS")
a, b, ab = graph.create({}, {}, (0, remote, 1))
assert ab.properties == {}
local.bind(ab.uri)
ab.push()
local.pull()
assert local.properties == remote.properties
def test_can_create_two_nodes_and_a_relationship_with_properties(graph):
alice = Node(name="Alice")
bob = Node(name="Bob")
alice_knows_bob = Relationship(alice, Rel("KNOWS", since=1999), bob)
statement = CreateStatement(graph)
statement.create(alice)
statement.create(bob)
statement.create(alice_knows_bob)
created = statement.execute()
assert created == (alice, bob, alice_knows_bob)
assert alice.bound
assert bob.bound
assert alice_knows_bob.bound
assert alice_knows_bob.start_node is alice
assert alice_knows_bob.end_node is bob
def test_can_bind_rel_to_resource():
uri = "http://localhost:7474/db/relationship/1"
rel = Rel()
rel.bind(uri)
assert rel.bound
assert isinstance(rel.resource, Resource)
assert rel.resource.uri == uri
rel.unbind()
assert not rel.bound
with pytest.raises(BindError):
_ = rel.resource
def test_can_write_simple_rel():
r = Representation()
r.write(Rel("KNOWS"))
written = repr(r)
assert written == "-[:KNOWS]->"
