def test_message_flow(self):
print("")
print("Testing message flow")
print("")
# Create file we're suppose to be uploading.
path = os.path.join(self.alice_storage, self.syn[u"data_id"])
if not os.path.exists(path):
with open(path, "w") as fp:
fp.write("0")
# Clear existing contracts.
self.clean_slate_all()
# Alice: build SYN.
contract_id = self.alice.simple_data_request(
data_id=self.syn[u"data_id"],
node_unl=self.bob.net.unl.value,
direction=u"send"
)
syn = self.alice.contracts[contract_id]
self.assertIsInstance(syn, OrderedDict)
print(self.alice.net.unl.value)
print(self.bob.net.unl.value)
print(syn)
# Bob: process SYN, build SYN-ACK.
syn_ack = process_syn(self.bob, syn)
self.assertIsInstance(syn_ack, OrderedDict)
# Alice: process SYN-ACK, build ACK.
ack = process_syn_ack(self.alice, syn_ack)
self.assertIsInstance(ack, OrderedDict)
# Bob: process ack.
fin = process_ack(self.bob, ack)
self.assertTrue(fin == 1)
print("")
print("Done testing message flow")
print("")
def test_valid_syn_ack(self):
print("")
print("Testing process syn-ack")
print("")
self.clean_slate_all()
syn = self.alice.sign_contract(copy.deepcopy(self.syn))
syn_ack = OrderedDict([(u'status', u'SYN-ACK'), (u'syn', syn)])
syn_ack = self.bob.sign_contract(syn_ack)
# Clear any old contracts that might exist.
self.alice.contracts = {}
# Create file we're suppose to be uploading.
path = os.path.join(self.alice_storage, syn_ack[u"syn"][u"data_id"])
if not os.path.exists(path):
with open(path, "w") as fp:
fp.write("0")
# Syn not in message.
syn_ack_2 = copy.deepcopy(syn_ack)
del syn_ack_2[u"syn"]
self.assertTrue(process_syn_ack(self.alice, syn_ack_2) == -1)
# Invalid fields.
syn_ack_2 = copy.deepcopy(syn_ack)
syn_ack_2[u"xxx"] = "0"
self.assertTrue(process_syn_ack(self.alice, syn_ack_2) == -2)
# Not a reply to something we sent.
syn_ack_2 = copy.deepcopy(syn_ack)
self.assertTrue(process_syn_ack(self.alice, syn_ack_2) == -3)
# Save original SYN as a contract.
contract_id = self.alice.contract_id(syn_ack_2[u"syn"])
self.alice.contracts[contract_id] = syn_ack_2[u"syn"]
# Is SYN valid.
syn_ack_2 = copy.deepcopy(syn_ack)
syn_ack_2[u"syn"][u"file_size"] = "10"
contract_id = self.alice.contract_id(syn_ack_2[u"syn"])
self.alice.contracts[contract_id] = syn_ack_2[u"syn"]
self.assertTrue(process_syn_ack(self.alice, syn_ack_2) == -4)
# Did we sign this?
syn_ack_2 = copy.deepcopy(syn_ack)
syn_ack_2[u"syn"][u"signature"] = "x"
contract_id = self.alice.contract_id(syn_ack_2[u"syn"])
self.alice.contracts[contract_id] = syn_ack_2[u"syn"]
self.assertTrue(process_syn_ack(self.alice, syn_ack_2) == -5)
# Check their sig is valid.
syn_ack_2 = copy.deepcopy(syn_ack)
syn_ack_2[u"signature"] = "x"
contract_id = self.alice.contract_id(syn_ack_2[u"syn"])
self.alice.contracts[contract_id] = syn_ack_2[u"syn"]
self.assertTrue(process_syn_ack(self.alice, syn_ack_2) == -6)
# Check handshake state is valid.
syn_ack_2 = copy.deepcopy(syn_ack)
self.alice.handshake = {}
ret = process_syn_ack(self.alice, syn_ack_2)
print("ERror 1")
print(ret)
self.assertTrue(ret == -7)
self.alice.handshake[contract_id] = {
u"state": u"ACK",
u"timestamp": time.time()
}
contract_id = self.alice.contract_id(syn_ack_2[u"syn"])
self.alice.contracts[contract_id] = syn_ack_2[u"syn"]
self.assertTrue(process_syn_ack(self.alice, syn_ack_2) == -8)
self.alice.handshake[contract_id] = {
u"state": u"SYN",
u"timestamp": time.time()
}
# This should pass.
syn_ack_2 = copy.deepcopy(syn_ack)
contract_id = self.alice.contract_id(syn_ack_2[u"syn"])
self.alice.contracts[contract_id] = syn_ack_2[u"syn"]
ret = process_syn_ack(self.alice, syn_ack_2)
print(ret)
self.assertIsInstance(ret, OrderedDict)
print("")
print("Ending process syn-ack")
print("")