Fixes FeedService tests to actually test things.

The original tests stubbed the private methods which means they mostly
just tested ruby's precedence order. :) Private methods are forced
integrations... we have to allow them to operate in turn in order to
assess behavior.

test/services/feed_service_test.rb

@@ -15,7 +15,9 @@
       let(:target_feed)   { "505cc1beb4f2cd000200022c" }
 
       before do
-        service.stubs(:find_feed_by_id).returns(existing_feed)
+        Feed.stubs(:first)
+          .with(has_entry(:id, target_feed))
+          .returns(existing_feed)
       end
 
       it "returns the feed" do
@@ -29,12 +31,18 @@
       let(:user)        { mock }
       let(:author)      { mock }
       let(:feed)        { mock }
+      let(:uri)         { mock }
 
       describe "when the feed exists" do
         before do
           User.stubs(:find_by_case_insensitive_username).returns(user)
           user.stubs(:author).returns(author)
+          Kernel.stubs(:URI).returns(uri)
+          uri.stubs(:host).returns("example.com")
           author.stubs(:feed).returns(feed)
+
+          service.stubs(:find_feed_by_id).returns(nil)
+          service.stubs(:find_feed_by_remote_url).returns nil
         end
 
         it "returns the feed" do
@@ -45,6 +53,10 @@
       describe "when the feed does not exist" do
         before do
           User.stubs(:find_by_case_insensitive_username).returns(nil)
+          Kernel.stubs(:URI).returns(uri)
+          uri.stubs(:host).returns("example.com")
+
+          service.stubs(:find_feed_by_id).returns(nil)
           service.stubs(:find_feed_by_remote_url).returns(existing_feed)
         end
 
@@ -57,11 +69,19 @@
     describe "when the feed can by found by remote URL" do
       # the remote URL of user '[email protected]' (follow me!)
       let(:target_feed)   { "https://rstat.us/feeds/505cc1beb4f2cd000200022c.atom" }
+      let(:feed_data_cov) { mock }
+      let(:feed_data)     { mock }
 
       before do
+        Feed.stubs(:first)
+          .with(has_entry(:remote_url, "feed_url"))
+          .returns(existing_feed)
+        SubscriberToFeedDataConverter.stubs(:new).returns(feed_data_cov)
+        feed_data_cov.stubs(:get_feed_data!).returns(feed_data)
+        feed_data.stubs(:url).returns("feed_url")
+
         service.stubs(:find_feed_by_id).returns nil
         service.stubs(:find_feed_by_username).returns nil
-        service.stubs(:find_feed_by_remote_url).returns(existing_feed)
       end
 
       it "returns the feed" do
@@ -71,15 +91,21 @@
 
     describe "when the feed doesn't exist" do
       let(:target_feed) { "[email protected]" } # (follow me!)
+      let(:feed_data_cov) { mock }
+      let(:feed_data)     { mock }
 
       before do
         service.stubs(:find_feed_by_id).returns nil
         service.stubs(:find_feed_by_username).returns nil
         service.stubs(:find_feed_by_remote_url).returns nil
-        service.stubs(:create_feed_from_feed_data).returns(new_feed)
+        SubscriberToFeedDataConverter.stubs(:new).returns(feed_data_cov)
+        feed_data_cov.stubs(:get_feed_data!).returns(feed_data)
       end
 
       it "creates the feed" do
+        Feed.expects(:create_and_populate!)
+          .with(feed_data)
+          .returns(new_feed)
         service.find_or_create!.must_equal new_feed
       end
     end