Use name of mentioned person in plain text

lib/diaspora/message_renderer.rb

@@ -79,7 +79,7 @@ module Diaspora
       end
 
       def make_mentions_plain_text
-        @message = Diaspora::Mentionable.format message, [], plain_text: true
+        @message = Diaspora::Mentionable.format message, options[:mentioned_people], plain_text: true
       end
 
       def render_tags

spec/lib/diaspora/message_renderer_spec.rb

@@ -191,6 +191,18 @@ describe Diaspora::MessageRenderer do
       text = "#hashtag message"
       expect(message(text).plain_text_without_markdown).to eq text
     end
+
+    context "with mention" do
+      it "contains the name of the mentioned person" do
+        msg = message("@{#{alice.diaspora_handle}} is cool", mentioned_people: alice.person)
+        expect(msg.plain_text_without_markdown).to eq "#{alice.name} is cool"
+      end
+
+      it "uses the name from mention when the mention contains a name" do
+        msg = message("@{Alice; #{alice.diaspora_handle}} is cool", mentioned_people: alice.person)
+        expect(msg.plain_text_without_markdown).to eq "Alice is cool"
+      end
+    end
   end
 
   describe "#urls" do