def test_should_get_node_properties(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.node_properties(self.a), {"name": "Alice"})
self.assertEqual(store.node_properties(self.b), {"name": "Bob"})
self.assertEqual(store.node_properties(self.c), {"name": "Carol"})
self.assertEqual(store.node_properties(self.d), {"name": "Dave"})
self.assertIs(store.node_properties(object()), None)
def test_should_allow_construction_arguments(self):
store = FrozenGraphStore.build(
{
"a": (["Person"], {
"name": "Alice",
"age": 33
}),
"b": (["Person"], {
"name": "Bob",
"age": 44
}),
}, {
"ab": ("KNOWS", ("a", "b"), {
"since": 1999
}),
})
self.assertIsInstance(store, FrozenGraphStore)
self.assertEqual(store.node_count(), 2)
self.assertEqual(store.relationship_count(), 1)
self.assertEqual(store.node_labels(), {"Person"})
self.assertEqual(store.relationship_types(), {"KNOWS"})
self.assertEqual(set(store.nodes("Person")), {"a", "b"})
self.assertEqual(store.node_labels("a"), {"Person"})
self.assertEqual(store.node_labels("b"), {"Person"})
self.assertEqual(store.node_properties("a"), {
"name": "Alice",
"age": 33
})
self.assertEqual(store.node_properties("b"), {
"name": "Bob",
"age": 44
})
self.assertEqual(set(store.relationships("KNOWS")), {"ab"})
self.assertEqual(store.relationship_type("ab"), "KNOWS")
self.assertEqual(store.relationship_properties("ab"), {"since": 1999})
def test_should_get_counts(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.node_count(), 4)
self.assertEqual(store.node_count("X"), 3)
self.assertEqual(store.relationship_count(), 6)
self.assertEqual(store.relationship_count("KNOWS"), 3)
self.assertEqual(store.node_labels(), {"X", "Y"})
self.assertEqual(store.relationship_types(),
{"LIKES", "KNOWS", "MARRIED_TO"})
def test_should_get_relationship_nodes(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.relationship_nodes(self.a_likes_b),
(self.a, self.b))
self.assertEqual(store.relationship_nodes(self.b_likes_a),
(self.b, self.a))
self.assertEqual(store.relationship_nodes(self.a_knows_b),
(self.a, self.b))
self.assertEqual(store.relationship_nodes(self.a_knows_c),
(self.a, self.c))
self.assertEqual(store.relationship_nodes(self.c_knows_b),
(self.c, self.b))
self.assertEqual(store.relationship_nodes(self.c_married_to_d),
(self.c, self.d))
self.assertIs(store.relationship_nodes(object()), None)
def test_should_get_relationship_type(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.relationship_type(self.a_likes_b), "LIKES")
self.assertEqual(store.relationship_type(self.b_likes_a), "LIKES")
self.assertEqual(store.relationship_type(self.a_knows_b), "KNOWS")
self.assertEqual(store.relationship_type(self.a_knows_c), "KNOWS")
self.assertEqual(store.relationship_type(self.c_knows_b), "KNOWS")
self.assertEqual(store.relationship_type(self.c_married_to_d),
"MARRIED_TO")
self.assertIs(store.relationship_type(object()), None)
def test_should_get_node_degree(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.relationship_count(n_ids={self.a}), 4)
self.assertEqual(
store.relationship_count(r_type="LIKES", n_ids={self.a}), 2)
self.assertEqual(store.relationship_count(n_ids={self.b}), 4)
self.assertEqual(store.relationship_count(n_ids={self.c}), 3)
self.assertEqual(store.relationship_count(n_ids={self.d}), 1)
def test_should_get_node_labels(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.node_labels(), {"X", "Y"})
self.assertEqual(store.node_labels(self.a), {"X"})
self.assertEqual(store.node_labels(self.b), {"X", "Y"})
self.assertEqual(store.node_labels(self.c), {"X", "Y"})
self.assertEqual(store.node_labels(self.d), {"Y"})
self.assertIs(store.node_labels(object()), None)
def test_should_get_relationship_properties(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.relationship_properties(self.a_knows_b),
{"since": 1999})
self.assertEqual(store.relationship_properties(self.a_knows_c),
{"since": 2000})
self.assertEqual(store.relationship_properties(self.c_knows_b),
{"since": 2001})
self.assertIs(store.relationship_properties(object()), None)
def test_should_get_nodes(self):
store = FrozenGraphStore(self.store)
self.assertEqual(set(store.nodes()), {self.a, self.b, self.c, self.d})
def test_should_create_copy_of_frozen_store(self):
store = MutableGraphStore(FrozenGraphStore(self.store))
self.assertEqual(store.node_count(), 4)
self.assertEqual(store.relationship_count(), 4)
self.assertEqual(store.node_labels(), {"X", "Y"})
self.assertEqual(store.relationship_types(), {"KNOWS"})
def test_should_fail_on_bad_node_sequence(self):
store = FrozenGraphStore(self.store)
self.assertEqual(
list(store.relationships(n_ids=(self.a, self.b, self.c))), [])
class FrozenGraphStoreTestCase(TestCase):
store = MutableGraphStore()
a, b, c, d = store.add_nodes((
(["X"], {
"name": "Alice"
}),
(["X", "Y"], {
"name": "Bob"
}),
(["X", "Y"], {
"name": "Carol"
}),
(["Y"], {
"name": "Dave"
}),
))
store.add_relationships((
("KNOWS", (a, b), {}),
("KNOWS", (a, c), {}),
("KNOWS", (b, c), {}),
("KNOWS", (c, d), {}),
))
store = FrozenGraphStore(store)
def test_should_create_empty_on_none(self):
store = FrozenGraphStore()
self.assertEqual(store.node_count(), 0)
self.assertEqual(store.relationship_count(), 0)
self.assertFalse(store.node_labels())
self.assertFalse(store.relationship_types())
def test_should_not_create_from_non_store(self):
with self.assertRaises(TypeError):
_ = FrozenGraphStore(object())
def test_should_create_copy_of_frozen_store(self):
store = FrozenGraphStore(FrozenGraphStore(self.store))
self.assertEqual(store.node_count(), 4)
self.assertEqual(store.relationship_count(), 4)
self.assertEqual(store.node_labels(), {"X", "Y"})
self.assertEqual(store.relationship_types(), {"KNOWS"})
def test_should_create_copy_of_mutable_store(self):
store = FrozenGraphStore(self.store)
self.assertEqual(store.node_count(), 4)
self.assertEqual(store.relationship_count(), 4)
self.assertEqual(store.node_labels(), {"X", "Y"})
self.assertEqual(store.relationship_types(), {"KNOWS"})
def test_should_allow_construction_arguments(self):
store = FrozenGraphStore.build(
{
"a": (["Person"], {
"name": "Alice",
"age": 33
}),
"b": (["Person"], {
"name": "Bob",
"age": 44
}),
}, {
"ab": ("KNOWS", ("a", "b"), {
"since": 1999
}),
})
self.assertIsInstance(store, FrozenGraphStore)
self.assertEqual(store.node_count(), 2)
self.assertEqual(store.relationship_count(), 1)
self.assertEqual(store.node_labels(), {"Person"})
self.assertEqual(store.relationship_types(), {"KNOWS"})
self.assertEqual(set(store.nodes("Person")), {"a", "b"})
self.assertEqual(store.node_labels("a"), {"Person"})
self.assertEqual(store.node_labels("b"), {"Person"})
self.assertEqual(store.node_properties("a"), {
"name": "Alice",
"age": 33
})
self.assertEqual(store.node_properties("b"), {
"name": "Bob",
"age": 44
})
self.assertEqual(set(store.relationships("KNOWS")), {"ab"})
self.assertEqual(store.relationship_type("ab"), "KNOWS")
self.assertEqual(store.relationship_properties("ab"), {"since": 1999})
def test_should_fail_on_bad_node_type(self):
store = FrozenGraphStore(self.store)
with self.assertRaises(TypeError):
_ = store.relationships(n_ids=1)
def test_should_fail_on_bad_node_set(self):
store = FrozenGraphStore(self.store)
_ = store.relationships(n_ids={self.a, self.b, self.c})
def test_should_get_nodes_with_a_label(self):
store = FrozenGraphStore(self.store)
self.assertEqual(set(store.nodes("X")), {self.a, self.b, self.c})
self.assertEqual(set(store.nodes("Y")), {self.b, self.c, self.d})
self.assertFalse(set(store.nodes("Z")))
def test_should_get_nodes_with_multiple_labels(self):
store = FrozenGraphStore(self.store)
self.assertEqual(set(store.nodes("X", "Y")), {self.b, self.c})
self.assertFalse(set(store.nodes("X", "Z")))
def test_should_create_empty_on_none(self):
store = FrozenGraphStore()
self.assertEqual(store.node_count(), 0)
self.assertEqual(store.relationship_count(), 0)
self.assertFalse(store.node_labels())
self.assertFalse(store.relationship_types())
def test_should_not_create_from_non_store(self):
with self.assertRaises(TypeError):
_ = FrozenGraphStore(object())
def test_should_get_relationships(self):
store = FrozenGraphStore(self.store)
self.assertEqual(
set(store.relationships()), {
self.a_likes_b, self.b_likes_a, self.a_knows_b, self.a_knows_c,
self.c_knows_b, self.c_married_to_d
})
self.assertEqual(set(store.relationships("KNOWS")),
{self.a_knows_b, self.a_knows_c, self.c_knows_b})
self.assertEqual(set(store.relationships("MARRIED_TO")),
{self.c_married_to_d})
self.assertEqual(set(store.relationships(n_ids=(self.a, None))),
{self.a_likes_b, self.a_knows_b, self.a_knows_c})
self.assertEqual(set(store.relationships("KNOWS", (self.a, None))),
{self.a_knows_b, self.a_knows_c})
self.assertEqual(set(store.relationships(n_ids=(None, self.b))),
{self.a_likes_b, self.a_knows_b, self.c_knows_b})
self.assertEqual(
set(store.relationships("KNOWS", n_ids=(None, self.b))),
{self.a_knows_b, self.c_knows_b})
self.assertEqual(set(store.relationships(n_ids=(self.a, self.b))),
{self.a_likes_b, self.a_knows_b})
self.assertEqual(set(store.relationships("KNOWS", (self.a, self.b))),
{self.a_knows_b})
self.assertEqual(
set(store.relationships(n_ids={self.a})),
{self.a_likes_b, self.b_likes_a, self.a_knows_b, self.a_knows_c})
self.assertEqual(set(store.relationships("KNOWS", {self.a})),
{self.a_knows_b, self.a_knows_c})
self.assertEqual(set(store.relationships(n_ids={self.a, self.b})),
{self.a_likes_b, self.b_likes_a, self.a_knows_b})
self.assertEqual(
set(store.relationships("KNOWS", n_ids={self.a, self.b})),
{self.a_knows_b})