def test_can_pull_relationship(self):
a = Node()
b = Node()
alpha = Relationship(a, "TO", b, since=1999)
beta = Relationship(a, "TO", b)
self.graph.create(alpha)
assert dict(beta) == {}
beta.__remote__ = RemoteEntity(remote(alpha).uri)
beta.pull()
assert dict(beta) == dict(alpha)
def insertCoreRelWrap(self, rel, start_node_uuid, end_node_uuid, relid):
print 'inside graph db work - relid ' +str(relid)
start_node = self.entity(start_node_uuid)
end_node = self.entity(end_node_uuid)
#construct the relation object
newrel = Relationship(start_node,rel.type,end_node)
#copy the props
for prop in rel.properties:
newrel[prop] = rel[prop]
newrel['relid'] = relid ##TODO: db work here!
#in the end just copy the new relation id
self.graph.create(newrel) ##create the actual graph object!
newrel.pull()
return newrel
def test_TwoNodesOneRelation(graph):
#create nodes
first = Node("Politician","Person",name="Narendra Modi",age="56")
second = Node("Party","Organization",name="BJP")
employee = Relationship(first,"EmployeeOf",second)
create_with_cp(graph,first,second,employee)
#add props
first.pull()
second.pull()
employee.pull()
first['live']='true'
second['live']='true'
employee['current']='true'
push_with_cp(graph,first,second,employee)
#add labels, you cannot add another type or delete the previous type of a relation in neo4j
first.pull()
second.pull()
employee.pull()
first.labels.add('IndianPrimeMinister')
first['address']='Gujarat'
second.labels.add('PoliticalParty')
second['address']='Delhi'
employee['workingaddress']='CP'
push_with_cp(graph,first,second,employee)
#add a label and remove a label in both nodes
first.pull()
first.labels.add('ChiefMinister')
first.labels.remove('IndianPrimeMinister')
second.pull()
second.labels.add('NationalParty')
second.labels.remove('PoliticalParty')
#doing no chnage to the relationship to see if nodes are updated and the relation old
push_with_cp(graph,first,second)
#change a prop
first.pull()
first['name']='Narendra Damodar Modi'
second.pull()
second['name']='Bhartiya Janta Party'
employee.pull()
employee['workingaddress']='Connaught Palace'
push_with_cp(graph,first,second,employee)
#remove a property
first.pull()
first.properties['live']=None
second.pull()
second.properties['live']=None
employee.pull()
employee.properties['current']=None
push_with_cp(graph,first,second,employee)
#delete both nodes and rels
##EVEN BEFORE DELETING A RELATION, you will have to pull
##this we can fix : TODO in delete method
employee.pull()
delete_with_cp(graph,first,second,employee)
third=Node("Person",name="Abhishek Agarwal")
create_with_cp(graph,third)
def test_TwoNodesOneRelation(graph):
#create nodes
first = Node("Politician", "Person", name="Narendra Modi", age="56")
second = Node("Party", "Organization", name="BJP")
employee = Relationship(first, "EmployeeOf", second)
create_with_cp(graph, first, second, employee)
#add props
first.pull()
second.pull()
employee.pull()
first['live'] = 'true'
second['live'] = 'true'
employee['current'] = 'true'
push_with_cp(graph, first, second, employee)
#add labels, you cannot add another type or delete the previous type of a relation in neo4j
first.pull()
second.pull()
employee.pull()
first.labels.add('IndianPrimeMinister')
first['address'] = 'Gujarat'
second.labels.add('PoliticalParty')
second['address'] = 'Delhi'
employee['workingaddress'] = 'CP'
push_with_cp(graph, first, second, employee)
#add a label and remove a label in both nodes
first.pull()
first.labels.add('ChiefMinister')
first.labels.remove('IndianPrimeMinister')
second.pull()
second.labels.add('NationalParty')
second.labels.remove('PoliticalParty')
#doing no chnage to the relationship to see if nodes are updated and the relation old
push_with_cp(graph, first, second)
#change a prop
first.pull()
first['name'] = 'Narendra Damodar Modi'
second.pull()
second['name'] = 'Bhartiya Janta Party'
employee.pull()
employee['workingaddress'] = 'Connaught Palace'
push_with_cp(graph, first, second, employee)
#remove a property
first.pull()
first.properties['live'] = None
second.pull()
second.properties['live'] = None
employee.pull()
employee.properties['current'] = None
push_with_cp(graph, first, second, employee)
#delete both nodes and rels
##EVEN BEFORE DELETING A RELATION, you will have to pull
##this we can fix : TODO in delete method
employee.pull()
delete_with_cp(graph, first, second, employee)
third = Node("Person", name="Abhishek Agarwal")
create_with_cp(graph, third)
