def test_respond_requestVote_oldLog(self):
store = MockStoreDontUse(entries={
2: Entry(term=2, payload=1),
3: Entry(term=3, payload=2)
})
store.setCurrentTerm(3)
rpc = MockRPC()
clock = Clock()
node = RaftNode(1, store, rpc, clock=clock)
resp = node.respond_requestVote(
RequestVotesCommand(term=4,
candidateId='id',
lastLogIndex=2,
lastLogTerm=2))
term, result = self.successResultOf(resp)
self.assertFalse(result)
resp = node.respond_requestVote(
RequestVotesCommand(term=4,
candidateId='id',
lastLogIndex=4,
lastLogTerm=2))
term, result = self.successResultOf(resp)
self.assertFalse(result)
resp = node.respond_requestVote(
RequestVotesCommand(term=4,
candidateId='id',
lastLogIndex=2,
lastLogTerm=3))
term, result = self.successResultOf(resp)
self.assertFalse(result)
def test_respond_requestVote_alreadyVoted(self):
store = MockStoreDontUse()
store.setVotedFor(3)
rpc = MockRPC()
clock = Clock()
node = RaftNode(1, store, rpc, clock=clock)
resp = node.respond_requestVote(
RequestVotesCommand(term=4,
candidateId=2,
lastLogIndex=4,
lastLogTerm=4))
term, result = self.successResultOf(resp)
self.assertFalse(result)
resp = node.respond_requestVote(
RequestVotesCommand(term=4,
candidateId=3,
lastLogIndex=4,
lastLogTerm=4))
term, result = self.successResultOf(resp)
self.assertTrue(result)
def test_respond_requestVote_lowerTerm(self):
store = MockStoreDontUse()
store.setCurrentTerm(3)
rpc = MockRPC()
clock = Clock()
node = RaftNode(1, store, rpc, clock=clock)
resp = node.respond_requestVote(
RequestVotesCommand(term=2,
candidateId='id',
lastLogIndex=4,
lastLogTerm=4))
term, result = self.successResultOf(resp)
self.assertFalse(result)
def test_respond_requestVote(self):
store = MockStoreDontUse()
rpc = MockRPC()
clock = Clock()
node = RaftNode(1, store, rpc, clock=clock)
resp = node.respond_requestVote(
RequestVotesCommand(term=4,
candidateId=2,
lastLogIndex=4,
lastLogTerm=4))
term, result = self.successResultOf(resp)
self.assertTrue(result)
votedFor = self.successResultOf(store.getVotedFor())
self.assertEqual(votedFor, 2)
