def testReplyWhenRepliesFromAllNodesAreSame(looper, client1):
"""
When there are not faulty nodes, the client must get a reply from all the
nodes.
"""
request = sendRandomRequest(client1)
looper.run(
eventually(assertLength, client1.inBox,
2 * nodeCount * request.reqId,
retryWait=.25, timeout=15))
checkResponseCorrectnessFromNodes(client1.inBox, request.reqId, F)
def testReplyWhenRepliesFromExactlyFPlusOneNodesAreSame(looper, client1):
"""
When only :math:`2f+1` replies from the nodes are matching, the client
would accept the reply
"""
request = sendRandomRequest(client1)
# exactly f + 1 => (3) nodes have correct responses
# modify some (numOfResponses of type REPLY - (f + 1)) => 4 responses to
# have a different operations
looper.run(
eventually(assertLength, client1.inBox,
2 * nodeCount * request.reqId,
retryWait=.25, timeout=15))
replies = (msg for msg, frm in client1.inBox
if msg['op'] == REPLY and
msg['reqId'] == request.reqId)
# change two responses to something different
for i in range(2):
msg = next(replies)
msg['result']['txnId'] = str(i) + "Some random id"
checkResponseCorrectnessFromNodes(client1.inBox, request.reqId, F)