* VRFS-98 one test to verify you can't create duplicatie join_requests

app/views/api_join_requests/join_request.rabl

@@ -1,6 +1,7 @@
 object @join_request
 
 attributes :id, :text
+attributes :music_session_id => :music_session
 
 child(:user => :user) {
     attributes :id, :name

spec/requests/join_requests_api_spec.rb

@@ -78,4 +78,17 @@ describe "Join Request API", :type => :api do
     get "/api/join_requests/#{join_request["id"]}.json", "CONTENT_TYPE" => 'application/json'
     last_response.status.should == 404
   end
+
+  it "can't create duplicate join_request" do
+    login(other)
+
+    post '/api/join_requests.json', { :music_session => user.music_sessions[0].id, :text => "lemme in" }.to_json, "CONTENT_TYPE" => 'application/json'
+    last_response.status.should == 201
+    join_request = JSON.parse(last_response.body)
+
+    post '/api/join_requests.json', { :music_session => user.music_sessions[0].id, :text => "lemme in" }.to_json, "CONTENT_TYPE" => 'application/json'
+    last_response.status.should == 422
+    join_request = JSON.parse(last_response.body)
+    join_request["errors"]["user_id"].should == ["has already been taken"]
+  end
 end

spec/requests/music_session_pages_spec.rb

@@ -405,7 +405,7 @@ describe "Music Session API ", :type => :api do
 
       get last_response.headers["Location"] + ".json", "CONTENT_TYPE" => 'application/json'
       join_request = JSON.parse(last_response.body)
-
+      
       # pop back to user1 and allow user2 to get in
       login(user)
       post '/api/invitations.json', {:music_session => music_session["id"], :receiver => user2.id, :join_request => join_request["id"]}.to_json, "CONTENT_TYPE" => 'application/json'