Fix API sounds/show action

app/controllers/api/sounds_controller.rb

@@ -1,9 +1,11 @@
 module API
   class SoundsController < ApplicationController
+    skip_before_filter :json_filter!, only: :show
+
     before_action :set_sound, only: :show
 
     def show
-      send_file sound.path, type: sound.mime_type
+      send_file @sound.path, type: @sound.mime_type
     end
 
 

spec/integration/api/sounds_spec.rb

@@ -0,0 +1,21 @@
+describe 'API sounds' do
+  before { api_sign_in }
+
+  describe 'sound show' do
+    let(:sound)         { create :sound }
+    let(:request_show)  { get api_sound_path sound }
+    subject             { response }
+
+    before { request_show }
+
+    it { is_expected.to have_http_status 200 }
+
+    it 'has the sound mime type as content type' do
+      expect(response.content_type).to eq sound.mime_type
+    end
+
+    it 'returns the sound file as the body' do
+      expect(response.body).to eq File.read(sound.path, mode: 'rb')
+    end
+  end
+end