Fixes Issue hotsh#698, the [email protected] case (attempting to follow…

… a local user that doesn't exist using the remote form)

app/services/finger_service.rb

@@ -13,8 +13,9 @@ def finger!
     @feed_data.url          = data.url
     @feed_data.finger_data  = data
     @feed_data
-
   # TODO: other exceptions to rescue; check what Redfinger raises
+  rescue RestClient::ResourceNotFound
+    raise RstatUs::InvalidSubscribeTo
   rescue SocketError
     raise RstatUs::InvalidSubscribeTo
   end

test/services/finger_service_test.rb

@@ -50,17 +50,26 @@ class InvalidSubscribeTo < StandardError; end
       subject
     end
 
+    describe "with a local rstat.us email address that doesn't have a corresponding user" do
+      let(:target) { "[email protected]" }
+      before do
+        Redfinger.stubs(:finger).with(target).raises(RestClient::ResourceNotFound)
+      end
+
+      it "raises a RestClient::ResourceNotFound exception" do
+        lambda { subject }.must_raise RstatUs::InvalidSubscribeTo
+      end
+    end
+
     describe "with an invalid ostatus email address" do
       let(:target) { "ladygaga@twitter" }
 
       before do
         Redfinger.stubs(:finger).with(target).raises(SocketError)
       end
 
-      it "raises a socket error" do
-        lambda {
-          FingerService.new(target).finger!
-        }.must_raise RstatUs::InvalidSubscribeTo
+      it "raises a SocketError exception" do
+        lambda { subject }.must_raise RstatUs::InvalidSubscribeTo
       end
     end
   end