Add track/{new,create} with file upload for the track

spec/views/playlists/index.html.haml_spec.rb

@@ -21,4 +21,9 @@ describe 'playlists/index.html.haml' do
     render
     rendered.should have_selector('a', :text => 'Electro')
   end
+
+  it 'displays a link to create a new track' do
+    render
+    rendered.should have_selector('a', :text => 'Add a track')
+  end
 end

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

@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+describe 'tracks/new.html.haml' do
+  let(:track) do
+    mock_model('Track').as_new_record.as_null_object
+  end
+
+  before do
+    assign :track, track
+  end
+
+  it 'renders a form to create a track' do
+    render
+    rendered.should have_selector("form[method=post][action='#{tracks_path}']")
+    rendered.should have_selector('input[type=submit]')
+  end
+
+  it 'renders a text field with a label for the playlists name' do
+    track.stub(:name => 'Mega song')
+    render
+    rendered.should \
+      have_selector("input[type=text][name='track[name]'][value='Mega song']")
+    rendered.should \
+      have_selector('label[for=track_name]', :text => 'Name')
+  end
+
+  it 'renders a file field with a label for the tracks file' do
+    render
+    rendered.should have_selector("form[enctype='multipart/form-data']")
+    rendered.should \
+      have_selector("input[type=file][name='track[file]']")
+    rendered.should \
+      have_selector('label[for=track_file]', :text => 'File')
+  end
+end