def test_Server():
backend = MemoryBackend()
doc = random_string()
server = Server(doc, backend)
assert server.document == doc
assert server.backend == backend
op1 = random_operation(doc)
doc1 = op1(doc)
assert server.receive_operation('user1', 0, op1) == op1
assert server.document == doc1
assert backend.operations == [op1]
op2 = random_operation(doc1)
doc2 = op2(doc1)
assert server.receive_operation('user1', 1, op2) == op2
assert backend.operations == [op1, op2]
assert server.document == doc2
server.receive_operation('user1', 1, op2) == None
assert backend.operations == [op1, op2]
assert server.document == doc2
op2_b = random_operation(doc1)
(op2_b_p, op2_p) = TextOperation.transform(op2_b, op2)
assert server.receive_operation('user2', 1, op2_b) == op2_b_p
assert backend.operations == [op1, op2, op2_b_p]
assert server.document == op2_p(op2_b(doc1))
def perform_operation(self):
operation = random_operation(self.document)
self.document = operation(self.document)
self.apply_client(operation)
def perform_operation(self):
operation = random_operation(self.document)
self.document = operation(self.document)
self.apply_client(operation)