def test_can_execute_example_code(self):
class Person(object):
def __init__(self, email=None, name=None, age=None):
self.email = email
self.name = name
self.age = age
def __str__(self):
return self.name
graph = Graph()
store = Store(graph)
alice = Person("*****@*****.**", "Alice", 34)
store.save_unique("People", "email", alice.email, alice)
bob = Person("*****@*****.**", "Bob", 66)
carol = Person("*****@*****.**", "Carol", 42)
store.relate(alice, "LIKES", bob)
store.relate(alice, "LIKES", carol)
store.save(alice)
friends = store.load_related(alice, "LIKES", Person)
print("Alice likes {0}".format(" and ".join(str(f) for f in friends)))
class TestSave(object):
@pytest.fixture(autouse=True)
def setup(self, graph):
self.graph = graph
self.store = Store(self.graph)
def test_can_save_simple_object(self):
alice = Person("*****@*****.**", "Alice", 34)
assert not self.store.is_saved(alice)
self.store.save_unique("People", "email", "*****@*****.**", alice)
assert self.store.is_saved(alice)
assert alice.__node__["name"] == "Alice"
assert alice.__node__["age"] == 34
alice.name = "Alice Smith"
alice.age = 35
self.store.save(alice)
assert alice.__node__["name"] == "Alice Smith"
assert alice.__node__["age"] == 35
class TestSave(object):
@pytest.fixture(autouse=True)
def setup(self, graph):
self.graph = graph
self.store = Store(self.graph)
def test_can_save_simple_object(self):
alice = Person("*****@*****.**", "Alice", 34)
assert not self.store.is_saved(alice)
self.store.save_unique("People", "email", "*****@*****.**", alice)
assert self.store.is_saved(alice)
assert alice.__node__["name"] == "Alice"
assert alice.__node__["age"] == 34
alice.name = "Alice Smith"
alice.age = 35
self.store.save(alice)
assert alice.__node__["name"] == "Alice Smith"
assert alice.__node__["age"] == 35
def test_can_execute_example_code(self):
class Person(object):
def __init__(self, email=None, name=None, age=None):
self.email = email
self.name = name
self.age = age
def __str__(self):
return self.name
graph = Graph()
store = Store(graph)
alice = Person("*****@*****.**", "Alice", 34)
store.save_unique("People", "email", alice.email, alice)
bob = Person("*****@*****.**", "Bob", 66)
carol = Person("*****@*****.**", "Carol", 42)
store.relate(alice, "LIKES", bob)
store.relate(alice, "LIKES", carol)
store.save(alice)
friends = store.load_related(alice, "LIKES", Person)
print("Alice likes {0}".format(" and ".join(str(f) for f in friends)))
class TestLoadRelated(object):
@pytest.fixture(autouse=True)
def setup(self, graph):
self.graph = graph
self.store = Store(self.graph)
def test_can_load_single_related_object(self):
alice = Person("*****@*****.**", "Alice", 34)
bob = Person("*****@*****.**", "Bob", 66)
self.store.relate(alice, "LIKES", bob)
self.store.save(alice)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == [bob]
def test_can_load_multiple_related_objects(self):
alice = Person("*****@*****.**", "Alice", 34)
bob = Person("*****@*****.**", "Bob", 66)
carol = Person("*****@*****.**", "Carol", 42)
self.store.relate(alice, "LIKES", bob)
self.store.relate(alice, "LIKES", carol)
self.store.save(alice)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == [bob, carol]
def test_can_load_related_objects_among_other_relationships(self):
alice = Person("*****@*****.**", "Alice", 34)
bob = Person("*****@*****.**", "Bob", 66)
carol = Person("*****@*****.**", "Carol", 42)
dave = Person("*****@*****.**", "Dave", 18)
self.store.relate(alice, "LIKES", bob)
self.store.relate(alice, "LIKES", carol)
self.store.relate(alice, "DISLIKES", dave)
self.store.save(alice)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == [bob, carol]
enemies = self.store.load_related(alice, "DISLIKES", Person)
assert enemies == [dave]
def test_can_load_related_when_never_related(self):
alice = Person("*****@*****.**", "Alice", 34)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == []
class TestLoadRelated(object):
@pytest.fixture(autouse=True)
def setup(self, graph):
self.graph = graph
self.store = Store(self.graph)
def test_can_load_single_related_object(self):
alice = Person("*****@*****.**", "Alice", 34)
bob = Person("*****@*****.**", "Bob", 66)
self.store.relate(alice, "LIKES", bob)
self.store.save(alice)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == [bob]
def test_can_load_multiple_related_objects(self):
alice = Person("*****@*****.**", "Alice", 34)
bob = Person("*****@*****.**", "Bob", 66)
carol = Person("*****@*****.**", "Carol", 42)
self.store.relate(alice, "LIKES", bob)
self.store.relate(alice, "LIKES", carol)
self.store.save(alice)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == [bob, carol]
def test_can_load_related_objects_among_other_relationships(self):
alice = Person("*****@*****.**", "Alice", 34)
bob = Person("*****@*****.**", "Bob", 66)
carol = Person("*****@*****.**", "Carol", 42)
dave = Person("*****@*****.**", "Dave", 18)
self.store.relate(alice, "LIKES", bob)
self.store.relate(alice, "LIKES", carol)
self.store.relate(alice, "DISLIKES", dave)
self.store.save(alice)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == [bob, carol]
enemies = self.store.load_related(alice, "DISLIKES", Person)
assert enemies == [dave]
def test_can_load_related_when_never_related(self):
alice = Person("*****@*****.**", "Alice", 34)
friends = self.store.load_related(alice, "LIKES", Person)
assert friends == []
self.email = email
self.name = name
self.age = age
def __str__(self):
return self.name
graph = Graph('http://127.0.0.1:7474/db/data/')
store = Store(graph)
alice = Person("*****@*****.**", "Tobin", 34)
store.save_unique("People", "email", alice.email, alice)
bob = Person("*****@*****.**", "Bob", 66)
carol = Person("*****@*****.**", "Carol", 42)
jenny = Person("*****@*****.**", "Jenny", 43)
edgar = Person("*****@*****.**", "Edgar", 44)
mike = Person("*****@*****.**", "Mike", 45)
store.relate(alice, "LIKES", bob) # these relationships are not saved
store.relate(alice, "LIKES", carol) # until `alice` is saved
store.relate(alice, "LIKES", jenny) # until `alice` is saved
store.relate(alice, "LIKES", edgar) # until `alice` is saved
store.relate(alice, "LIKES", mike) # until `alice` is saved
store.save(alice)
friends = store.load_related(alice, "LIKES", Person)
print "Alice likes {0}".format(" and ".join(str(f) for f in friends))
'''MATCH (you )-[:LIKES]->(yourFriends)
RETURN you, yourFriends'''
store = Store(graph) series = ["Downton Abbey", "Daniel Tiger", ] downton = Series(name="Downton Abbey") episode1 = Episode(name="Ep1") episode2 = Episode(name="Ep2") bbc = Organization(name="BBC") hbo = Organization(name="HBO") actor1 = Actor(name="Bob") actor2 = Actor(name="Mary") actor3 = Actor(name="Mark") store.relate(downton, "HAS_EPISODE", episode1) store.relate(downton, "HAS_EPISODE", episode2) store.relate(downton, "PRODUCED_BY", bbc) store.relate(downton, "DISTRIBUTED_BY", hbo) store.relate(downton, "ACTED_IN", actor1) store.relate(downton, "ACTED_IN", actor2) store.relate(downton, "ACTED_IN", actor3) store.save(downton)
