Include roots for resources in rabl index views

app/views/api/playlists/index.rabl

@@ -1,4 +1,4 @@
-collection @playlists
+collection @playlists, root: :playlists, object_root: false
 
 attribute :id
 attribute :name

app/views/api/tracks/index.rabl

@@ -1,4 +1,4 @@
-collection @tracks
+collection @tracks, root: :tracks, object_root: false
 
 attribute :id
 attribute :name

spec/integration/api/api_sign_in_spec.rb

@@ -13,7 +13,7 @@ describe 'API sign in' do
   it 'signs the user in with valid credentials' do
     do_create
 
-    expect(json).to eq(id: user.id)
+    expect(json).to eq(user: { id: user.id })
   end
 
   [:email, :password].each do |attr|

spec/integration/api/playlists_spec.rb

@@ -7,33 +7,35 @@ describe 'API playlists' do
     playlist = create :playlist
     get api_playlists_path, format: :json
 
-    expect(json).to match [
+    expect(json).to eq(
-      a_hash_including(
+      playlists: [{
-        id:   an_instance_of(Fixnum),
+        id:   playlist.id,
-        name: playlist[:name]
+        name: playlist.name
+      }]
     )
-    ]
   end
 
   it 'shows a playlist' do
     playlist = create :playlist
     get api_playlist_path playlist, format: :json
 
-    expect(json).to match(
+    expect(json).to eq(
+      playlist: {
         id:   playlist.id,
         name: playlist.name
+      }
     )
   end
 
   it 'creates playlist' do
     playlist = attributes_for :playlist
-    post api_playlists_path,
+    post api_playlists_path, format: :json, playlist: playlist
-      format: :json,
-      playlist: playlist
 
     expect(json).to match(
+      playlist: {
         id:   an_instance_of(Fixnum),
         name: playlist[:name]
+      }
     )
   end
 end

spec/integration/api/tracks_spec.rb

@@ -8,7 +8,8 @@ describe 'API tracks' do
     track_2 = create :track, name: 'Track 2'
     get api_tracks_path, format: :json
 
-    expect(json).to eq [
+    expect(json).to eq(
+      tracks: [
         {
           id:         track_1.id,
           name:       'Track 1',
@@ -19,15 +20,18 @@ describe 'API tracks' do
           name:       'Track 2'
         }
       ]
+    )
   end
 
   it 'shows a track' do
     track = create :track
     get api_track_path track, format: :json
 
-    expect(json).to match(
+    expect(json).to eq(
+      track: {
         id:   track.id,
         name: track.name
+      }
     )
   end
 end