Refactored generation of unique tags, URIs and object URLs into own classes,

as well as formatting of content

spec/lib/feed_manager_spec.rb

@@ -0,0 +1,23 @@
+require 'rails_helper'
+
+RSpec.describe FeedManager do
+  describe '#key' do
+    subject { FeedManager.instance.key(:home, 1) }
+
+    it 'returns a string' do
+      expect(subject).to be_a String
+    end
+  end
+
+  describe '#filter_status?' do
+    let(:followee) { Fabricate(:account, username: 'alice') }
+    let(:status)   { Fabricate(:status, text: 'Hello world', account: followee) }
+    let(:follower) { Fabricate(:account, username: 'bob') }
+
+    subject { FeedManager.instance.filter_status?(status, follower) }
+
+    it 'returns a boolean value' do
+      expect(subject).to be false
+    end
+  end
+end