Implement tracks/{show,listen}

spec/controllers/tracks_controller_spec.rb

@@ -0,0 +1,17 @@
+require 'spec_helper'
+
+describe TracksController do
+  def valid_attributes
+    {
+      :name => 'Mega song'
+    }
+  end
+
+  describe 'GET show' do
+    it 'assigns the requested track as @track' do
+      track = Track.create! valid_attributes
+      get :show, :id => track.id.to_s
+      assigns[:track].should == track
+    end
+  end
+end

spec/models/track_spec.rb

@@ -0,0 +1,18 @@
+require 'spec_helper'
+
+describe Track do
+  subject { track }
+  let(:track) { Track.new :name => 'Mega song' }
+
+  context 'with valid attributes' do
+    it { should be_valid }
+  end
+
+  context 'when name empty' do
+    before do
+      track.name = ''
+    end
+
+    it { should_not be_valid }
+  end
+end

spec/views/tracks/show.html.haml_spec.rb

@@ -0,0 +1,30 @@
+require 'spec_helper'
+
+describe 'tracks/show.html.haml' do
+  let(:track) do
+    mock_model('Track', :name => 'Mega song')
+  end
+
+  before do
+    assign :track, track
+  end
+
+  it 'displays the name of the track' do
+    render
+    rendered.should have_selector('h1', :text => 'Mega song')
+  end
+
+  context 'audio tag' do
+    it 'provides an audio stream for the track' do
+      render
+      rendered.should have_selector('audio[src]')
+    end
+
+    it 'displays a text fallback for UA without support' do
+      render
+      rendered.should have_selector('audio',
+        :text => 'Your browser does not support the audio element'
+      )
+    end
+  end
+end