def test_two_candidates_tie(self):
followers = []
for i in range(4):
board = MemoryBoard()
state = Follower()
followers.append(Server(i, state, [], board, []))
board = MemoryBoard()
state = Candidate()
c0 = Server(5, state, [], board, followers[0:2])
board = MemoryBoard()
state = Candidate()
c1 = Server(6, state, [], board, followers[2:])
for i in range(2):
followers[i]._neighbors.append(c0)
followers[i].on_message(followers[i]._messageBoard.get_message())
for i in range(2, 4):
followers[i]._neighbors.append(c1)
followers[i].on_message(followers[i]._messageBoard.get_message())
c0._total_nodes = 6
c1._total_nodes = 6
for i in range(2):
c0.on_message(c0._messageBoard.get_message())
c1.on_message(c1._messageBoard.get_message())
self.assertEqual(type(c0._state), Candidate)
self.assertEqual(type(c1._state), Candidate)
def test_two_candidates_tie(self):
followers = []
for i in range(4):
board = MemoryBoard()
state = Follower()
followers.append(Server(i, state, [], board, []))
board = MemoryBoard()
state = Candidate()
c0 = Server(5, state, [], board, followers[0:2])
board = MemoryBoard()
state = Candidate()
c1 = Server(6, state, [], board, followers[2:])
for i in range(2):
followers[i]._neighbors.append(c0)
followers[i].on_message(followers[i]._messageBoard.get_message())
for i in range(2, 4):
followers[i]._neighbors.append(c1)
followers[i].on_message(followers[i]._messageBoard.get_message())
c0._total_nodes = 6
c1._total_nodes = 6
for i in range(2):
c0.on_message(c0._messageBoard.get_message())
c1.on_message(c1._messageBoard.get_message())
self.assertEqual(type(c0._state), Candidate)
self.assertEqual(type(c1._state), Candidate)
def test_candidate_server_wins_election(self):
board = MemoryBoard()
state = Follower()
server0 = Server(0, state, [], board, [])
board = MemoryBoard()
state = Follower()
oserver = Server(1, state, [], board, [])
board = MemoryBoard()
state = Candidate()
server = Server(2, state, [], board, [oserver, server0])
server0._neighbors.append(server)
oserver._neighbors.append(server)
oserver.on_message(oserver._messageBoard.get_message())
server0.on_message(server0._messageBoard.get_message())
server._total_nodes = 3
server.on_message(server._messageBoard.get_message())
server.on_message(server._messageBoard.get_message())
self.assertEqual(type(server._state), Leader)
def test_candidate_server_wins_election(self):
board = MemoryBoard()
state = Follower()
server0 = Server(0, state, [], board, [])
board = MemoryBoard()
state = Follower()
oserver = Server(1, state, [], board, [])
board = MemoryBoard()
state = Candidate()
server = Server(2, state, [], board, [oserver, server0])
server0._neighbors.append(server)
oserver._neighbors.append(server)
oserver.on_message(oserver._messageBoard.get_message())
server0.on_message(server0._messageBoard.get_message())
server._total_nodes = 3
server.on_message(server._messageBoard.get_message())
server.on_message(server._messageBoard.get_message())
self.assertEqual(type(server._state), Leader)
msg = oserver._messageBoard.get_message()
print(msg)
"""
AppendEntries: 0, RequestVote: 1, RequestVoteResponse: 2, Response: 3, _timestamp: 1581688245,
_sender: 2, _receiver: 0, _data: {'lastLogIndex': 0, 'lastLogTerm': None}, _term: 1, _type: 1
"""
oserver.on_message(msg)
print(oserver)
"""
_name: 1, _state: Follower ** _timeout: 500, _timeoutTime: 1581689033.635461, _last_vote: 2, _log: [], _messageBoard: board: [], _neighbors: [<servers.server.Server object at 0x10b9c3e48>], _total_nodes: 0, _commitIndex: 0, _currentTerm: 1, _lastApplied: 0, _lastLogIndex: 0, _lastLogTerm: None
"""
server0.on_message(server0._messageBoard.get_message())
server._total_nodes = 3
server.on_message(server._messageBoard.get_message())
server.on_message(server._messageBoard.get_message())
print(type(server._state))
class TestCandidateServer(unittest.TestCase):
def setUp(self):
board = MemoryBoard()
state = Follower()
self.oserver = Server(0, state, [], board, [])
board = MemoryBoard()
state = Candidate() # 候选人