class TestNode(TestCase):
def setUp(self):
self.channel = HistoryChannel(replicas=['A', 'B', 'C'])
self.state = State(storage=InMemoryStorage("fakefile"))
self.ledger = Ledger(storage=InMemoryStorage("fakefile2"))
self.role = Node(ledger=self.ledger, state=self.state)
self.role.notification = ImmediateNotificiation()
def test_node_receives_higher_proposals(self):
self.assertEqual(self.state.read(Node.PROPOSED), Proposal(None, 0))
self.role.receive(Prepare.create(proposal=Proposal('A', 1)), self.channel)
self.assertEqual(self.state.read(Node.PROPOSED), Proposal('A', 2))
self.role.receive(Promise.create(proposal=Proposal('A', 3)), self.channel)
self.assertEqual(self.state.read(Node.PROPOSED), Proposal('A', 4))
self.role.receive(Accept.create(proposal=Proposal('A', 5)), self.channel)
self.assertEqual(self.state.read(Node.PROPOSED), Proposal('A', 6))
self.role.receive(Accepted.create(proposal=Proposal('A', 7)), self.channel)
self.assertEqual(self.state.read(Node.PROPOSED), Proposal('A', 8))
def test_role_behind_sends_sync_message(self):
self.role.receive(Prepare.create(proposal=Proposal('A', 2)), self.channel)
self.assertTrue(type(self.channel.unicast_messages[0]) is Sync)
def setUp(self):
self.channel = HistoryChannel(replicas=['A', 'B', 'C'])
self.state = State(storage=InMemoryStorage("fakefile"))
self.ledger = Ledger(storage=InMemoryStorage("fakefile2"))
self.role = Node(ledger=self.ledger, state=self.state)
self.role.notification = ImmediateNotificiation()