Adding a bunch of tests

app/models/account.rb

@@ -59,4 +59,12 @@ class Account < ActiveRecord::Base
   def subscription(webhook_url)
     @subscription ||= OStatus2::Subscription.new(self.remote_url, secret: self.secret, token: self.verify_token, webhook: webhook_url, hub: self.hub_url)
   end
+
+  before_create do
+    if local?
+      keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 48 : 2048)
+      self.private_key = keypair.to_pem
+      self.public_key  = keypair.public_key.to_pem
+    end
+  end
 end

app/models/status.rb

@@ -54,10 +54,9 @@ class Status < ActiveRecord::Base
 
     unless reblog?
       self.text.scan(Account::MENTION_RE).each do |match|
-        uri      = match.first
-        username = uri.split('@').first
-        domain   = uri.split('@').size == 2 ? uri.split('@').last : nil
-        account  = Account.find_by(username: username, domain: domain)
+        uri = match.first
+        username, domain = uri.split('@')
+        account = Account.find_by(username: username, domain: domain)
 
         m << account unless account.nil?
       end

app/models/stream_entry.rb

@@ -29,7 +29,7 @@ class StreamEntry < ActiveRecord::Base
   end
 
   def threaded?
-    [:favorite, :comment].include? verb
+    verb == :favorite || object_type == :comment
   end
 
   def thread