def test_follow_channel_without_collision(self):
c1 = Channel("c1")
c2 = Channel("c2")
u2 = User("u2")
phone_numbers = list()
channels = [c1, c2]
followings = [Following("u1", "c1")]
phone_numbers = c1.broadcast(phone_numbers, channels, followings)
phone_numbers = c2.broadcast(phone_numbers, channels, followings)
u2.follow_channel("c2", channels, phone_numbers, followings)
self.assertEqual(c1.phone_number, c2.phone_number)
followings, phone_numbers = u2.follow_channel(c1.channel_uid, channels,
phone_numbers, followings)
# followings, phone_numbers = u2.follow_channel(c3.channel_uid, channels, phone_numbers, followings)
c4 = Channel("c4")
channels.append(c4)
phone_numbers = c4.broadcast(phone_numbers, channels, followings)
phone_numbers = c4.broadcast(phone_numbers, channels, followings)
followings, phone_numbers = u1.follow_channel(c4.channel_uid, channels,
phone_numbers, followings)
followings, phone_numbers = u3.follow_channel(c4.channel_uid, channels,
phone_numbers, followings)
c5 = Channel("c5")
channels.append(c5)
u5 = User("u5")
users.append(u5)
followings, phone_numbers = u5.follow_channel(c5.channel_uid, channels,
phone_numbers, followings)
phone_numbers = c5.broadcast(phone_numbers, channels, followings)
print(followings)
print(c1)
print(c2)
print(c3)
print(c4)
print(c5)
print(phone_numbers)