gab-social/spec/lib/feed_manager_spec.rb

408 lines
16 KiB
Ruby

require 'rails_helper'
RSpec.describe FeedManager do
before do |example|
unless example.metadata[:skip_stub]
stub_const 'FeedManager::MAX_ITEMS', 10
stub_const 'FeedManager::REBLOG_FALLOFF', 4
end
end
it 'tracks at least as many statuses as reblogs', skip_stub: true 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 true for reblog from account with reblogs disabled' do
status = Fabricate(:status, text: 'Hello world', account: jeff)
reblog = Fabricate(:status, reblog: status, account: alice)
bob.follow!(alice, reblogs: false)
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, text: '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, text: '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
context 'for irreversibly muted phrases' do
it 'considers word boundaries when matching' do
alice.custom_filters.create!(phrase: 'bob', context: %w(home), irreversible: true)
alice.follow!(jeff)
status = Fabricate(:status, text: 'bobcats', account: jeff)
expect(FeedManager.instance.filter?(:home, status, alice.id)).to be_falsy
end
it 'returns true if phrase is contained' do
alice.custom_filters.create!(phrase: 'farts', context: %w(home public), irreversible: true)
alice.custom_filters.create!(phrase: 'pop tarts', context: %w(home), irreversible: true)
alice.follow!(jeff)
status = Fabricate(:status, text: 'i sure like POP TARts', account: jeff)
expect(FeedManager.instance.filter?(:home, status, alice.id)).to be true
end
it 'matches substrings if whole_word is false' do
alice.custom_filters.create!(phrase: 'take', context: %w(home), whole_word: false, irreversible: true)
alice.follow!(jeff)
status = Fabricate(:status, text: 'shiitake', account: jeff)
expect(FeedManager.instance.filter?(:home, status, alice.id)).to be true
end
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, text: '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.silence!
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.silence!
bob.follow!(alice)
expect(FeedManager.instance.filter?(:mentions, status, bob.id)).to be false
end
end
end
describe '#push_to_home' 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
it "does not push when the given status's reblog is already inserted" do
account = Fabricate(:account)
reblog = Fabricate(:status)
status = Fabricate(:status, reblog: reblog)
FeedManager.instance.push_to_home(account, status)
expect(FeedManager.instance.push_to_home(account, reblog)).to eq false
end
end
describe '#push_to_list' do
it "does not push when the given status's reblog is already inserted" do
list = Fabricate(:list)
reblog = Fabricate(:status)
status = Fabricate(:status, reblog: reblog)
FeedManager.instance.push_to_list(list, status)
expect(FeedManager.instance.push_to_list(list, reblog)).to eq false
end
end
describe '#merge_into_timeline' do
it "does not push source account's statuses whose reblogs are already inserted" do
account = Fabricate(:account, id: 0)
reblog = Fabricate(:status)
status = Fabricate(:status, reblog: reblog)
FeedManager.instance.push_to_home(account, status)
FeedManager.instance.merge_into_timeline(account, reblog.account)
expect(Redis.current.zscore("feed:home:0", reblog.id)).to eq nil
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