fixed specs and added check for audio availability

app/models/quran/ayah.rb

@@ -113,7 +113,7 @@ def self.as_json_with_resources(ayahs, options = {})
       ayah_json.merge({
         content: content_option && content[ayah.ayah_key] ?
             content[ayah.ayah_key] : [],
-        audio: audio_option ? audio[ayah.ayah_key].first : {},
+        audio: audio_option && audio[ayah.ayah_key] ? audio[ayah.ayah_key].first : {},
       })
     end
   end

config/routes.rb

@@ -33,6 +33,10 @@
 
       resources :surahs, only: [:index, :show], defaults: { format: 'json' } do
         resources :ayahs, only: [:index], defaults: { format: 'json' }
+
+        member do
+          get :info
+        end
       end
 
       resources :options, only: [], defaults: { format: 'json' } do

spec/controllers/v2/ayahs_controller_spec.rb

@@ -9,7 +9,7 @@
         context "getting surah #{id}" do
           before { get :index, { surah_id: id, from: 1, to: 30, content: [19], audio: 8 } }
 
-          it 'returns http success and returns corret number of ayahs' do
+          it 'returns http success and returns correct number of ayahs' do
             expect(response).to have_http_status(:success)
 
             if surah.ayat > 30

spec/controllers/v2/surahs_controller_spec.rb

@@ -28,4 +28,16 @@
     end
   end
 
+  describe 'GET #info' do
+    before { get :info, { id: 1 } }
+
+    it 'returns http success' do
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'returns information of first surah' do
+      expect(response_json['surah_id']).to eql(1)
+    end
+  end
+
 end

spec/models/content/sura_detail_spec.rb → spec/models/content/surah_info_spec.rb

@@ -12,6 +12,6 @@
 
 require 'rails_helper'
 
-RSpec.describe Content::SuraDetail, type: :model do
+RSpec.describe Content::SurahInfo, type: :model do
   pending "add some examples to (or delete) #{__FILE__}"
 end