require 'rails_helper' RSpec.describe FeedManager do it 'tracks at least as many statuses as reblogs' do expect(FeedManager::REBLOG_FALLOFF).to be <= FeedManager::MAX_ITEMS end describe '#key' do subject { FeedManager.instance.key(:home, 1) } it 'returns a string' do expect(subject).to be_a String end end describe '#filter?' do let(:alice) { Fabricate(:account, username: 'alice') } let(:bob) { Fabricate(:account, username: 'bob', domain: 'example.com') } let(:jeff) { Fabricate(:account, username: 'jeff') } context 'for home feed' do it 'returns false for followee\'s status' do status = Fabricate(:status, text: 'Hello world', account: alice) bob.follow!(alice) expect(FeedManager.instance.filter?(:home, status, bob.id)).to be false end it 'returns false for reblog by followee' do status = Fabricate(:status, text: 'Hello world', account: jeff) reblog = Fabricate(:status, reblog: status, account: alice) bob.follow!(alice) expect(FeedManager.instance.filter?(:home, reblog, bob.id)).to be false end it 'returns true for reblog by followee of blocked account' do status = Fabricate(:status, text: 'Hello world', account: jeff) reblog = Fabricate(:status, reblog: status, account: alice) bob.follow!(alice) bob.block!(jeff) expect(FeedManager.instance.filter?(:home, reblog, bob.id)).to be true end it 'returns true for reblog by followee of muted account' do status = Fabricate(:status, text: 'Hello world', account: jeff) reblog = Fabricate(:status, reblog: status, account: alice) bob.follow!(alice) bob.mute!(jeff) expect(FeedManager.instance.filter?(:home, reblog, bob.id)).to be true end it 'returns true for reblog by followee of someone who is blocking recipient' do status = Fabricate(:status, text: 'Hello world', account: jeff) reblog = Fabricate(:status, reblog: status, account: alice) bob.follow!(alice) jeff.block!(bob) expect(FeedManager.instance.filter?(:home, reblog, bob.id)).to be true end it 'returns false for reply by followee to another followee' do status = Fabricate(:status, text: 'Hello world', account: jeff) reply = Fabricate(:status, text: 'Nay', thread: status, account: alice) bob.follow!(alice) bob.follow!(jeff) expect(FeedManager.instance.filter?(:home, reply, bob.id)).to be false end it 'returns false for reply by followee to recipient' do status = Fabricate(:status, text: 'Hello world', account: bob) reply = Fabricate(:status, text: 'Nay', thread: status, account: alice) bob.follow!(alice) expect(FeedManager.instance.filter?(:home, reply, bob.id)).to be false end it 'returns false for reply by followee to self' do status = Fabricate(:status, text: 'Hello world', account: alice) reply = Fabricate(:status, text: 'Nay', thread: status, account: alice) bob.follow!(alice) expect(FeedManager.instance.filter?(:home, reply, bob.id)).to be false end it 'returns true for reply by followee to non-followed account' do status = Fabricate(:status, text: 'Hello world', account: jeff) reply = Fabricate(:status, text: 'Nay', thread: status, account: alice) bob.follow!(alice) expect(FeedManager.instance.filter?(:home, reply, bob.id)).to be true end it 'returns true for the second reply by followee to a non-federated status' do reply = Fabricate(:status, text: 'Reply 1', reply: true, account: alice) second_reply = Fabricate(:status, text: 'Reply 2', thread: reply, account: alice) bob.follow!(alice) expect(FeedManager.instance.filter?(:home, second_reply, bob.id)).to be true end it 'returns false for status by followee mentioning another account' do bob.follow!(alice) status = PostStatusService.new.call(alice, 'Hey @jeff') expect(FeedManager.instance.filter?(:home, status, bob.id)).to be false end it 'returns true for status by followee mentioning blocked account' do bob.block!(jeff) bob.follow!(alice) status = PostStatusService.new.call(alice, 'Hey @jeff') expect(FeedManager.instance.filter?(:home, status, bob.id)).to be true end it 'returns true for reblog of a personally blocked domain' do alice.block_domain!('example.com') alice.follow!(jeff) status = Fabricate(:status, text: 'Hello world', account: bob) reblog = Fabricate(:status, reblog: status, account: jeff) expect(FeedManager.instance.filter?(:home, reblog, alice.id)).to be true end end context 'for mentions feed' do it 'returns true for status that mentions blocked account' do bob.block!(jeff) status = PostStatusService.new.call(alice, 'Hey @jeff') expect(FeedManager.instance.filter?(:mentions, status, bob.id)).to be true end it 'returns true for status that replies to a blocked account' do status = Fabricate(:status, text: 'Hello world', account: jeff) reply = Fabricate(:status, text: 'Nay', thread: status, account: alice) bob.block!(jeff) expect(FeedManager.instance.filter?(:mentions, reply, bob.id)).to be true end it 'returns true for status by silenced account who recipient is not following' do status = Fabricate(:status, text: 'Hello world', account: alice) alice.update(silenced: true) expect(FeedManager.instance.filter?(:mentions, status, bob.id)).to be true end it 'returns false for status by followed silenced account' do status = Fabricate(:status, text: 'Hello world', account: alice) alice.update(silenced: true) bob.follow!(alice) expect(FeedManager.instance.filter?(:mentions, status, bob.id)).to be false end end end describe '#push' do it 'trims timelines if they will have more than FeedManager::MAX_ITEMS' do account = Fabricate(:account) status = Fabricate(:status) members = FeedManager::MAX_ITEMS.times.map { |count| [count, count] } Redis.current.zadd("feed:home:#{account.id}", members) FeedManager.instance.push_to_home(account, status) expect(Redis.current.zcard("feed:home:#{account.id}")).to eq FeedManager::MAX_ITEMS end context 'reblogs' do it 'saves reblogs of unseen statuses' do account = Fabricate(:account) reblogged = Fabricate(:status) reblog = Fabricate(:status, reblog: reblogged) expect(FeedManager.instance.push_to_home(account, reblog)).to be true end it 'does not save a new reblog of a recent status' do account = Fabricate(:account) reblogged = Fabricate(:status) reblog = Fabricate(:status, reblog: reblogged) FeedManager.instance.push_to_home(account, reblogged) expect(FeedManager.instance.push_to_home(account, reblog)).to be false end it 'saves a new reblog of an old status' do account = Fabricate(:account) reblogged = Fabricate(:status) reblog = Fabricate(:status, reblog: reblogged) FeedManager.instance.push_to_home(account, reblogged) # Fill the feed with intervening statuses FeedManager::REBLOG_FALLOFF.times do FeedManager.instance.push_to_home(account, Fabricate(:status)) end expect(FeedManager.instance.push_to_home(account, reblog)).to be true end it 'does not save a new reblog of a recently-reblogged status' do account = Fabricate(:account) reblogged = Fabricate(:status) reblogs = 2.times.map { Fabricate(:status, reblog: reblogged) } # The first reblog will be accepted FeedManager.instance.push_to_home(account, reblogs.first) # The second reblog should be ignored expect(FeedManager.instance.push_to_home(account, reblogs.last)).to be false end it 'does not save a new reblog of a multiply-reblogged-then-unreblogged status' do account = Fabricate(:account) reblogged = Fabricate(:status) reblogs = 3.times.map { Fabricate(:status, reblog: reblogged) } # Accept the reblogs FeedManager.instance.push_to_home(account, reblogs[0]) FeedManager.instance.push_to_home(account, reblogs[1]) # Unreblog the first one FeedManager.instance.unpush_from_home(account, reblogs[0]) # The last reblog should still be ignored expect(FeedManager.instance.push_to_home(account, reblogs.last)).to be false end it 'saves a new reblog of a long-ago-reblogged status' do account = Fabricate(:account) reblogged = Fabricate(:status) reblogs = 2.times.map { Fabricate(:status, reblog: reblogged) } # The first reblog will be accepted FeedManager.instance.push_to_home(account, reblogs.first) # Fill the feed with intervening statuses FeedManager::REBLOG_FALLOFF.times do FeedManager.instance.push_to_home(account, Fabricate(:status)) end # The second reblog should also be accepted expect(FeedManager.instance.push_to_home(account, reblogs.last)).to be true end end end describe '#trim' do let(:receiver) { Fabricate(:account) } it 'cleans up reblog tracking keys' do reblogged = Fabricate(:status) status = Fabricate(:status, reblog: reblogged) another_status = Fabricate(:status, reblog: reblogged) reblogs_key = FeedManager.instance.key('home', receiver.id, 'reblogs') reblog_set_key = FeedManager.instance.key('home', receiver.id, "reblogs:#{reblogged.id}") FeedManager.instance.push_to_home(receiver, status) FeedManager.instance.push_to_home(receiver, another_status) # We should have a tracking set and an entry in reblogs. expect(Redis.current.exists(reblog_set_key)).to be true expect(Redis.current.zrange(reblogs_key, 0, -1)).to eq [reblogged.id.to_s] # Push everything off the end of the feed. FeedManager::MAX_ITEMS.times do FeedManager.instance.push_to_home(receiver, Fabricate(:status)) end # `trim` should be called automatically, but do it anyway, as # we're testing `trim`, not side effects of `push`. FeedManager.instance.trim('home', receiver.id) # We should not have any reblog tracking data. expect(Redis.current.exists(reblog_set_key)).to be false expect(Redis.current.zrange(reblogs_key, 0, -1)).to be_empty end end describe '#unpush' do let(:receiver) { Fabricate(:account) } it 'leaves a reblogged status if original was on feed' do reblogged = Fabricate(:status) status = Fabricate(:status, reblog: reblogged) FeedManager.instance.push_to_home(receiver, reblogged) FeedManager::REBLOG_FALLOFF.times { FeedManager.instance.push_to_home(receiver, Fabricate(:status)) } FeedManager.instance.push_to_home(receiver, status) # The reblogging status should show up under normal conditions. expect(Redis.current.zrange("feed:home:#{receiver.id}", 0, -1)).to include(status.id.to_s) FeedManager.instance.unpush_from_home(receiver, status) # Restore original status expect(Redis.current.zrange("feed:home:#{receiver.id}", 0, -1)).to_not include(status.id.to_s) expect(Redis.current.zrange("feed:home:#{receiver.id}", 0, -1)).to include(reblogged.id.to_s) end it 'removes a reblogged status if it was only reblogged once' do reblogged = Fabricate(:status) status = Fabricate(:status, reblog: reblogged) FeedManager.instance.push_to_home(receiver, status) # The reblogging status should show up under normal conditions. expect(Redis.current.zrange("feed:home:#{receiver.id}", 0, -1)).to eq [status.id.to_s] FeedManager.instance.unpush_from_home(receiver, status) expect(Redis.current.zrange("feed:home:#{receiver.id}", 0, -1)).to be_empty end it 'leaves a multiply-reblogged status if another reblog was in feed' do reblogged = Fabricate(:status) reblogs = 3.times.map { Fabricate(:status, reblog: reblogged) } reblogs.each do |reblog| FeedManager.instance.push_to_home(receiver, reblog) end # The reblogging status should show up under normal conditions. expect(Redis.current.zrange("feed:home:#{receiver.id}", 0, -1)).to eq [reblogs.first.id.to_s] reblogs[0...-1].each do |reblog| FeedManager.instance.unpush_from_home(receiver, reblog) end expect(Redis.current.zrange("feed:home:#{receiver.id}", 0, -1)).to eq [reblogs.last.id.to_s] end it 'sends push updates' do status = Fabricate(:status) FeedManager.instance.push_to_home(receiver, status) allow(Redis.current).to receive_messages(publish: nil) FeedManager.instance.unpush_from_home(receiver, status) deletion = Oj.dump(event: :delete, payload: status.id.to_s) expect(Redis.current).to have_received(:publish).with("timeline:#{receiver.id}", deletion) end end end