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9987-embargoing         1 # https://stackoverflow.com/questions/1896918/running-unittest-with-typical-test-directory-structure
9978-bugfixes           2 import time
9987-embargoing         3 import unittest
9987-embargoing         4 import logging
9987-embargoing         5 from mock import Mock
9982-getdata            6 from lib.commands import DIRECT
9982-getdata            7 from lib.commands import GETDATA
9987-embargoing         8 from lib.station import Station
9982-getdata            9 from lib.state import State
9982-getdata           10 from lib.message import Message
9982-getdata           11 from lib.getdata import GetData
9982-getdata           12 from lib.order_buffer import OrderBuffer
9982-getdata           13 from lib.long_buffer import LongBuffer
9982-getdata           14 from collections import namedtuple
9982-getdata           15 import helper
9987-embargoing        16 
9987-embargoing        17 class TestStation(unittest.TestCase):
9987-embargoing        18     def setUp(self):
9982-getdata           19         helper.setup()
9987-embargoing        20         logging.basicConfig(level=logging.DEBUG)
9982-getdata           21         self.station_socket = Mock()
9982-getdata           22         Options = namedtuple('Options', ['db_path',
9982-getdata           23                                          'address_table_path',
9982-getdata           24                                          'socket',
9982-getdata           25                                          'irc_ports',
9982-getdata           26                                          'udp_port',
9982-getdata           27                                          'channel_name',
9982-getdata           28                                          'password',
9982-getdata           29                                          'motd',
9982-getdata           30                                          'listen'])
9982-getdata           31         options = Options(
9982-getdata           32             None,
9982-getdata           33             None,
9982-getdata           34             self.station_socket,
9982-getdata           35             None,
9982-getdata           36             None,
9982-getdata           37             None,
9982-getdata           38             None,
9982-getdata           39             None,
9982-getdata           40             None
9982-getdata           41         )
9987-embargoing        42         self.station = Station(options)
9987-embargoing        43         self.station.deliver = Mock()
9987-embargoing        44         self.station.rebroadcast = Mock()
9987-embargoing        45         self.station.rebroadcast.return_value = "foobar"
9982-getdata           46         self.bob_state = State(Mock(), None)
9982-getdata           47         self.station.state.set_knob('nick', 'alice')
9982-getdata           48         self.bob_state.set_knob('nick', 'bob')
9982-getdata           49         self.setupBob()
9982-getdata           50         self.setupAlice()
9982-getdata           51 
9982-getdata           52     def setupBob(self):
9982-getdata           53         self.station.state.add_peer('bob')
9982-getdata           54         self.station.state.add_key(
9982-getdata           55             'bob',
9982-getdata           56             '9h6wYndVjt8QpnIZOYb7KD2tYKCKw4rjlYg4LM1ODx1Qkr3qA0IuKNukkwKhQ4UP9ypMlhyPHa7AGD7NO7Ws5w=='
9982-getdata           57         )
9982-getdata           58         self.station.state.update_at({
9982-getdata           59             'handle': 'bob',
9982-getdata           60             'address': '127.0.0.1',
9982-getdata           61             'port': 8889
9982-getdata           62         })
9982-getdata           63 
9982-getdata           64     def setupAlice(self):
9982-getdata           65         self.bob_state.add_peer('alice')
9982-getdata           66         self.bob_state.add_key(
9982-getdata           67             'alice',
9982-getdata           68             '9h6wYndVjt8QpnIZOYb7KD2tYKCKw4rjlYg4LM1ODx1Qkr3qA0IuKNukkwKhQ4UP9ypMlhyPHa7AGD7NO7Ws5w=='
9982-getdata           69         )
9982-getdata           70         self.bob_state.update_at({
9982-getdata           71             'handle': 'alice',
9982-getdata           72             'address': '127.0.0.1',
9982-getdata           73             'port': 8888
9982-getdata           74         })
9987-embargoing        75 
9987-embargoing        76     def tearDown(self):
9987-embargoing        77         pass
9987-embargoing        78 
9978-bugfixes          79     def test_clean_getdata_requests_clears_expired_hashes(self):
9978-bugfixes          80         self.station.getdata_requests["abc"] = time.time() - 15
9978-bugfixes          81         self.station.clean_getdata_requests()
9978-bugfixes          82         self.assertEqual(len(self.station.getdata_requests), 0)
9978-bugfixes          83 
9978-bugfixes          84     def test_clean_getdata_requests_retains_valid_hashes(self):
9978-bugfixes          85         self.station.getdata_requests["abc"] = time.time()
9978-bugfixes          86         self.station.clean_getdata_requests()
9978-bugfixes          87         self.assertEqual(len(self.station.getdata_requests), 1)
9978-bugfixes          88 
9987-embargoing        89     def test_embargo_bounce_ordering(self):
9982-getdata           90         self.skipTest("the tested code has been re-implemented")
9987-embargoing        91         peer1 = Mock()
9987-embargoing        92         peer1.handles = ["a", "b"]
9987-embargoing        93         peer2 = Mock()
9987-embargoing        94         peer2.handles = ["c", "d"]
9987-embargoing        95         low_bounce_message = Mock()
9987-embargoing        96         low_bounce_message.peer = peer1
9987-embargoing        97         low_bounce_message.bounces = 1
9987-embargoing        98         low_bounce_message.message_hash = "messagehash"
9987-embargoing        99         high_bounce_message = Mock()
9987-embargoing       100         high_bounce_message.peer = peer2
9987-embargoing       101         high_bounce_message.bounces = 2
9987-embargoing       102         high_bounce_message.message_hash = "messagehash"
9982-getdata          103         self.station.short_buffer = {
9987-embargoing       104             "messagehash": [
9987-embargoing       105                 low_bounce_message,
9987-embargoing       106                 high_bounce_message
9987-embargoing       107             ],
9987-embargoing       108         }
9987-embargoing       109         self.station.flush_hearsay_messages()
9987-embargoing       110         self.station.deliver.assert_called_once_with(low_bounce_message)
9987-embargoing       111         self.station.rebroadcast.assert_called_once_with(low_bounce_message)
9987-embargoing       112 
9987-embargoing       113     def test_embargo_queue_cleared(self):
9982-getdata          114         self.skipTest("the embargo queue is now th short buffer")
9987-embargoing       115         peer = Mock()
9987-embargoing       116         peer.handles = ["a", "b"]
9987-embargoing       117         message = Mock()
9987-embargoing       118         message.speaker = "c"
9987-embargoing       119         message.peer = peer
9982-getdata          120         self.station.short_buffer = {
9987-embargoing       121             "messagehash": [
9987-embargoing       122                 message
9987-embargoing       123             ],
9987-embargoing       124         }
9982-getdata          125         self.assertEqual(len(self.station.short_buffer), 1)
9987-embargoing       126         self.station.flush_hearsay_messages()
9982-getdata          127         self.assertEqual(len(self.station.short_buffer), 0)
9987-embargoing       128 
9987-embargoing       129     def test_simple_hearsay_prefix(self):
9982-getdata          130         self.skipTest("this code has moved")
9987-embargoing       131         peer = Mock()
9987-embargoing       132         peer.handles = ["a", "b"]
9987-embargoing       133         message = Mock()
9987-embargoing       134         message.speaker = "c"
9987-embargoing       135         message.prefix = None
9987-embargoing       136         message.peer = peer
9982-getdata          137         self.station.short_buffer = {
9987-embargoing       138             "messagehash": [
9987-embargoing       139                 message
9987-embargoing       140             ],
9987-embargoing       141         }
9987-embargoing       142         self.station.flush_hearsay_messages()
9987-embargoing       143         self.assertEqual(message.prefix, "c[a]")
9987-embargoing       144 
9987-embargoing       145     def test_in_wot_hearsay_prefix_under_four(self):
9982-getdata          146         self.skipTest("the embargo queue is now th short buffer")
9987-embargoing       147         peer1 = Mock()
9987-embargoing       148         peer1.handles = ["a", "b"]
9987-embargoing       149         peer2 = Mock()
9987-embargoing       150         peer2.handles = ["d", "e"]
9987-embargoing       151         peer3 = Mock()
9987-embargoing       152         peer3.handles = ["f", "g"]
9987-embargoing       153         message_via_peer1 = Mock()
9987-embargoing       154         message_via_peer1.speaker = "c"
9987-embargoing       155         message_via_peer1.prefix = None
9987-embargoing       156         message_via_peer1.peer = peer1
9987-embargoing       157         message_via_peer1.bounces = 1
9987-embargoing       158         message_via_peer2 = Mock()
9987-embargoing       159         message_via_peer2.speaker = "c"
9987-embargoing       160         message_via_peer2.prefix = None
9987-embargoing       161         message_via_peer2.peer = peer2
9987-embargoing       162         message_via_peer2.bounces = 2
9987-embargoing       163         message_via_peer3 = Mock()
9987-embargoing       164         message_via_peer3.speaker = "c"
9987-embargoing       165         message_via_peer3.prefix = None
9987-embargoing       166         message_via_peer3.peer = peer3
9987-embargoing       167         message_via_peer3.bounces = 1
9982-getdata          168         self.station.short_buffer = {
9987-embargoing       169             "messagehash": [
9987-embargoing       170                 message_via_peer1,
9987-embargoing       171                 message_via_peer2,
9987-embargoing       172                 message_via_peer3
9987-embargoing       173             ],
9987-embargoing       174         }
9987-embargoing       175         self.station.flush_hearsay_messages()
9987-embargoing       176         self.station.deliver.assert_called_once_with(message_via_peer1)
9987-embargoing       177         self.assertEqual(message_via_peer1.prefix, "c[a|d|f]")
9987-embargoing       178 
9987-embargoing       179     def test_in_wot_hearsay_prefix_more_than_three(self):
9982-getdata          180         self.skipTest("the embargo queue is now th short buffer")
9987-embargoing       181         peer1 = Mock()
9987-embargoing       182         peer1.handles = ["a", "b"]
9987-embargoing       183         peer2 = Mock()
9987-embargoing       184         peer2.handles = ["d", "e"]
9987-embargoing       185         peer3 = Mock()
9987-embargoing       186         peer3.handles = ["f", "g"]
9987-embargoing       187         peer4 = Mock()
9987-embargoing       188         peer4.handles = ["f", "g"]
9987-embargoing       189         message_via_peer1 = Mock()
9987-embargoing       190         message_via_peer1.speaker = "c"
9987-embargoing       191         message_via_peer1.prefix = None
9987-embargoing       192         message_via_peer1.peer = peer1
9987-embargoing       193         message_via_peer1.bounces = 1
9987-embargoing       194         message_via_peer2 = Mock()
9987-embargoing       195         message_via_peer2.speaker = "c"
9987-embargoing       196         message_via_peer2.prefix = None
9987-embargoing       197         message_via_peer2.peer = peer2
9987-embargoing       198         message_via_peer2.bounces = 2
9987-embargoing       199         message_via_peer3 = Mock()
9987-embargoing       200         message_via_peer3.speaker = "c"
9987-embargoing       201         message_via_peer3.prefix = None
9987-embargoing       202         message_via_peer3.peer = peer3
9987-embargoing       203         message_via_peer3.bounces = 1
9987-embargoing       204         message_via_peer4 = Mock()
9987-embargoing       205         message_via_peer4.speaker = "c"
9987-embargoing       206         message_via_peer4.prefix = None
9987-embargoing       207         message_via_peer4.peer = peer4
9987-embargoing       208         message_via_peer4.bounces = 1
9982-getdata          209         self.station.short_buffer = {
9987-embargoing       210             "messagehash": [
9987-embargoing       211                 message_via_peer1,
9987-embargoing       212                 message_via_peer2,
9987-embargoing       213                 message_via_peer3,
9987-embargoing       214                 message_via_peer4
9987-embargoing       215             ],
9987-embargoing       216         }
9987-embargoing       217         self.station.flush_hearsay_messages()
9987-embargoing       218         self.station.deliver.assert_called_once_with(message_via_peer1)
9987-embargoing       219         self.assertEqual(message_via_peer1.prefix, "c[4]")
9982-getdata          220 
9982-getdata          221     # this test occasionally fails
9982-getdata          222     def test_receive_getdata_request_for_existing_direct_message(self):
9982-getdata          223         self.skipTest("intermittent failure")
9982-getdata          224         # 'send' bob a couple of messages
9982-getdata          225         m1 = Message({
9982-getdata          226             'command': DIRECT,
9982-getdata          227             'handle': 'bob',
9982-getdata          228             'speaker': 'alice',
9982-getdata          229             'body': 'm1',
9982-getdata          230             'bounces': 0
9982-getdata          231         }, self.station.state)
9982-getdata          232 
9982-getdata          233         m1.send()
9982-getdata          234 
9982-getdata          235         m2 = Message({
9982-getdata          236             'command': DIRECT,
9982-getdata          237             'handle': 'bob',
9982-getdata          238             'speaker': 'alice',
9982-getdata          239             'body': 'm2',
9982-getdata          240             'bounces': 0,
9982-getdata          241         }, self.station.state)
9982-getdata          242 
9982-getdata          243         m2.send()
9982-getdata          244 
9982-getdata          245         # oops look's like bob didn't get the message
9982-getdata          246 
9982-getdata          247         # build GETDATA black packet to retreive m1
9982-getdata          248         alice = self.bob_state.get_peer_by_handle('alice')
9982-getdata          249         bob = self.station.state.get_peer_by_handle('bob')
9982-getdata          250         gd_message = GetData(m2, self.bob_state)
9982-getdata          251         gd_message_bytes = gd_message.get_message_bytes(alice)
9982-getdata          252         gd_black_packet = Message.pack(bob, GETDATA, gd_message.bounces, gd_message_bytes)
9982-getdata          253 
9982-getdata          254         # call handle_udp_data with GETDATA packet
9982-getdata          255         self.station.handle_udp_data([gd_black_packet, ['127.0.0.1', 8889]])
9982-getdata          256 
9982-getdata          257         # build up the retry black packet to verify that it was sent 
9982-getdata          258         retry_black_packet = Message.pack(bob, DIRECT, 0, m1.get_message_bytes(bob))
9982-getdata          259 
9982-getdata          260         # assert retry is called and sends the correct message
9982-getdata          261         sent_message_black_packet = self.station_socket.sendto.call_args[0][0]
9982-getdata          262         sent_message = Message.unpack(bob, sent_message_black_packet, LongBuffer(), OrderBuffer(), self.station.state)
9982-getdata          263         self.assertEqual(sent_message.body, 'm1')