Merge pull request livingsocial#50 from dudleyf/rake-task-spec

Fix assets:precompile task (with a test, too!)

lib/rake-pipeline/precompile.rake

@@ -2,7 +2,7 @@ namespace :assets do
   desc "Precompile assets using Rake::Pipeline"
   task :precompile do
     config = Rails.application.config.rake_pipeline_assetfile
-    Rake::Pipeline::Runner.new(config).invoke
+    Rake::Pipeline::Project.new(config).invoke
   end
 end
 

spec/rake_tasks_spec.rb

@@ -0,0 +1,21 @@
+describe "Rake tasks" do
+  before do
+    @rake = Rake::Application.new
+    Rake.application = @rake
+  end
+
+  describe "assets:precompile" do
+    before do
+      load File.expand_path("../../lib/rake-pipeline/precompile.rake", __FILE__)
+      Rails = double("Rails")
+      Rails.stub_chain(:application, :config, :rake_pipeline_assetfile).and_return("Assetfile")
+    end
+
+    it "creates and invokes a new Project" do
+      project = double("Project")
+      project.should_receive(:invoke)
+      Rake::Pipeline::Project.should_receive(:new).with("Assetfile").and_return(project)
+      @rake["assets:precompile"].invoke
+    end
+  end
+end