add author to subscribers of public shareables to ensure local delivery

lib/diaspora/shareable.rb

@@ -46,7 +46,7 @@ module Diaspora
     def subscribers
       user = author.owner
       if public?
-        user.contact_people
+        [*user.contact_people, author]
       else
         user.people_in_aspects(user.aspects_with_shareable(self.class, id))
       end

spec/models/post_spec.rb

@@ -220,23 +220,29 @@ describe Post, :type => :model do
     context "public" do
       let(:post) { user.post(:status_message, text: "hello", public: true) }
 
+      it "returns the author to ensure local delivery" do
+        lonely_user = FactoryGirl.create(:user)
+        lonely_post = lonely_user.post(:status_message, text: "anyone?", public: true)
+        expect(lonely_post.subscribers).to match_array([lonely_user.person])
+      end
+
       it "returns all a users contacts if the post is public" do
         second_aspect = user.aspects.create(name: "winners")
         user.share_with(bob.person, second_aspect)
 
-        expect(post.subscribers).to eq([alice.person, bob.person])
+        expect(post.subscribers).to match_array([alice.person, bob.person, user.person])
       end
 
       it "adds resharers to subscribers" do
         FactoryGirl.create(:reshare, root: post, author: eve.person)
 
-        expect(post.subscribers).to eq([alice.person, eve.person])
+        expect(post.subscribers).to match_array([alice.person, eve.person, user.person])
       end
 
       it "adds participants to subscribers" do
         eve.participate!(post)
 
-        expect(post.subscribers).to eq([alice.person, eve.person])
+        expect(post.subscribers).to match_array([alice.person, eve.person, user.person])
       end
     end
   end

spec/models/reshare_spec.rb

@@ -133,7 +133,7 @@ describe Reshare, type: :model do
       post = eve.post(:status_message, text: "hello", public: true)
       reshare = FactoryGirl.create(:reshare, root: post, author: user.person)
 
-      expect(reshare.subscribers).to eq([alice.person, eve.person])
+      expect(reshare.subscribers).to match_array([alice.person, eve.person, user.person])
     end
   end
 end

spec/shared_behaviors/dispatcher.rb

@@ -42,7 +42,8 @@ shared_examples "a dispatcher" do
 
     context "deliver to local user" do
       it "queues receive local job for all local receivers" do
-        expect(Workers::ReceiveLocal).to receive(:perform_async).with("StatusMessage", post.id, [bob.id])
+        local_subscriber_ids = post.subscribers.select(&:local?).map(&:owner_id)
+        expect(Workers::ReceiveLocal).to receive(:perform_async).with("StatusMessage", post.id, local_subscriber_ids)
         Diaspora::Federation::Dispatcher.build(alice, post).dispatch
       end