def test_feedgetters():
this, *other = (Record.new() for _ in range(3))
for x in other:
relations.follow(x, this)
it = relations.feedgetters(this)
assert sum(1 for _ in it) == len(other)
def test_followers_and_friends():
this, other = (Record.new() for _ in range(2))
relations.follow(other, this)
assert relations.is_follower(other, this)
assert not relations.are_friends(other, this)
relations.follow(this, other)
assert relations.is_follower(this, other)
assert relations.are_friends(other, this)
relations.unfollow(this, other)
assert not relations.is_follower(this, other)
assert not relations.are_friends(other, this)
