def test_expect_decrease_losses(self):
for n in range(self.threshold):
self.assertTrue(self.state.expect_packet())
logging.disable(logging.WARNING)
self.state.received(0, do_nothing())
self.state.received(0, do_nothing())
self.assertTrue(self.state.expect_packet())
def tests_received_out_of_order_packet(self):
logging.disable(logging.INFO)
self.state.received(0, do_nothing())
old_max_id = self.state._max_packet_id
old_n_in_order = self.state._n_in_order_packets
old_n_out_of_order = self.state._n_out_of_order
old_n_late_packets = self.state._n_late_packets
logging.disable(logging.ERROR)
self.assertFalse(self.state.received(0, do_nothing()))
self.assertEquals(self.state._max_packet_id, old_max_id)
self.assertEquals(self.state._n_in_order_packets, old_n_in_order)
self.assertEquals(self.state._n_out_of_order, old_n_out_of_order + 1)
self.assertEquals(self.state._n_late_packets, old_n_late_packets)
def tests_received_very_old_packet(self):
logging.disable(logging.INFO)
for n in range(10):
self.assertTrue(self.state.expect_packet())
self.state.received(n, do_nothing())
old_max_id = self.state._max_packet_id
old_n_in_order = self.state._n_in_order_packets
old_n_out_of_order = self.state._n_out_of_order
old_n_late_packets = self.state._n_late_packets
logging.disable(logging.ERROR)
self.assertFalse(self.state.received(1, do_nothing()))
self.assertEquals(self.state._max_packet_id, old_max_id)
self.assertEquals(self.state._n_in_order_packets, old_n_in_order)
self.assertEquals(self.state._n_out_of_order, old_n_out_of_order)
self.assertEquals(self.state._n_late_packets, old_n_late_packets + 1)
def tests_received_in_order_packet(self):
old_n_in_order = self.state._n_in_order_packets
old_n_out_of_order = self.state._n_out_of_order
logging.disable(logging.INFO)
self.assertTrue(self.state.received(0, do_nothing()))
self.assertFalse(self.conn.abort_connection.called)
self.assertEquals(self.state._max_packet_id, 0)
self.assertEquals(self.state._n_in_order_packets, old_n_in_order + 1)
self.assertEquals(self.state._n_out_of_order, old_n_out_of_order)
def tests_received_future_packet(self):
logging.disable(logging.CRITICAL)
self.state.received(0, do_nothing())
old_max_id = self.state._max_packet_id
old_n_in_order = self.state._n_in_order_packets
old_n_out_of_order = self.state._n_out_of_order
self.assertFalse(self.conn.abort_connection.called)
self.assertFalse(self.state.received(9, self.conn.abort_connection))
self.assertTrue(self.conn.abort_connection.called)
self.assertEquals(self.state._max_packet_id, old_max_id)
self.assertEquals(self.state._n_in_order_packets, old_n_in_order)
self.assertEquals(self.state._n_out_of_order, old_n_out_of_order)
def tests_received_first_packet(self):
logging.disable(logging.INFO)
self.assertTrue(self.state.received(0, do_nothing()))
self.assertEquals(self.state._n_in_order_packets, 1)
def test_expect_packet_same_losses(self):
for n in range(self.threshold):
self.assertTrue(self.state.expect_packet())
self.state.received(0, do_nothing())
self.assertTrue(self.state.expect_packet())