Add tests to check for a conversation_part when a conversation is updated with a status of closed

Author: zacck

lib/code_corps/messages/messages.ex

@@ -59,7 +59,12 @@ defmodule CodeCorps.Messages do
     %{status: status} = params
     case status do
       "reopened" ->
-          add_part(%{"conversation_id" => conversation.id, "body" => "reopened", "author_id" => conversation.user_id,  "part_type" => "reopened"})
+          add_part(%{"conversation_id" => conversation.id, "body" => "reopened", "author_id" 
+          => conversation.user_id,  "part_type" => "reopened"})
+      "closed" ->
+        add_part(%{"conversation_id" => conversation.id, "body" => "closed", "author_id" 
+        => conversation.user_id,  "part_type" => "closed"})
+        
     end
     conversation |> Conversation.update_changeset(params) |> Repo.update
   end

test/lib/code_corps/messages/messages_test.exs

@@ -259,7 +259,7 @@ defmodule CodeCorps.MessagesTest do
       assert conversation_part.conversation_id == conversation.id
     end
 
-    test "creates a conversation_part of part_type closed when a conversation is reopened" do
+    test "creates a conversation_part of part_type closed when a conversation is closed" do
       conversation = insert(:conversation)
 
       assert Repo.aggregate(ConversationPart, :count, :id) == 0