Add test for FanOutOnWriteService

app/services/fan_out_on_write_service.rb

@@ -15,10 +15,13 @@ class FanOutOnWriteService < BaseService
   private
 
   def deliver_to_self(status)
+    Rails.logger.debug "Delivering status #{status.id} to author"
     FeedManager.instance.push(:home, status.account, status)
   end
 
   def deliver_to_followers(status)
+    Rails.logger.debug "Delivering status #{status.id} to followers"
+
     status.account.followers.find_each do |follower|
       next if !follower.local? || FeedManager.instance.filter?(:home, status, follower)
       FeedManager.instance.push(:home, follower, status)
@@ -26,7 +29,9 @@ class FanOutOnWriteService < BaseService
   end
 
   def deliver_to_mentioned(status)
-    status.mentions.find_each do |mention|
+    Rails.logger.debug "Delivering status #{status.id} to mentioned accounts"
+
+    status.mentions.includes(:account).each do |mention|
       mentioned_account = mention.account
       next if !mentioned_account.local? || mentioned_account.id == status.account_id || FeedManager.instance.filter?(:mentions, status, mentioned_account)
       FeedManager.instance.push(:mentions, mentioned_account, status)
@@ -34,12 +39,15 @@ class FanOutOnWriteService < BaseService
   end
 
   def deliver_to_hashtags(status)
+    Rails.logger.debug "Delivering status #{status.id} to hashtags"
+
     status.tags.find_each do |tag|
       FeedManager.instance.broadcast("hashtag:#{tag.name}", id: status.id)
     end
   end
 
   def deliver_to_public(status)
+    Rails.logger.debug "Delivering status #{status.id} to public timeline"
     FeedManager.instance.broadcast(:public, id: status.id)
   end
 end

app/services/fetch_remote_status_service.rb

@@ -9,7 +9,7 @@ class FetchRemoteStatusService < BaseService
   private
 
   def process_atom(url, body)
-    Rails.logger.debug 'Processing Atom for remote status';
+    Rails.logger.debug "Processing Atom for remote status at #{url}";
 
     xml     = Nokogiri::XML(body)
     account = extract_author(url, xml)

spec/services/fan_out_on_write_service_spec.rb

@@ -1,5 +1,40 @@
 require 'rails_helper'
 
 RSpec.describe FanOutOnWriteService do
+  let(:author)   { Fabricate(:account, username: 'tom') }
+  let(:status)   { Fabricate(:status, text: 'Hello @alice #test', account: author) }
+  let(:alice)    { Fabricate(:user, account: Fabricate(:account, username: 'alice')).account }
+  let(:follower) { Fabricate(:account, username: 'bob') }
+
   subject { FanOutOnWriteService.new }
+
+  before do
+    alice
+    follower.follow!(author)
+
+    ProcessMentionsService.new.call(status)
+    ProcessHashtagsService.new.call(status)
+
+    subject.call(status)
+  end
+
+  it 'delivers status to home timeline' do
+    expect(Feed.new(:home, author).get(1).map(&:id)).to include status.id
+  end
+
+  it 'delivers status to local followers' do
+    expect(Feed.new(:home, follower).get(1).map(&:id)).to include status.id
+  end
+
+  it 'delivers status to mentioned users' do
+    expect(Feed.new(:mentions, alice).get(1).map(&:id)).to include status.id
+  end
+
+  it 'delivers status to hashtag' do
+    expect(Tag.find_by!(name: 'test').statuses.pluck(:id)).to include status.id
+  end
+
+  it 'delivers status to public timeline' do
+    expect(Status.as_public_timeline(alice).map(&:id)).to include status.id
+  end
 end