guard-rails-assets/spec/guard/rails-assets_spec.rb

require 'spec_helper'
require 'guard/rails-assets'

describe Guard::RailsAssets do


  context 'with any runner' do

    let(:options) { {:runner => :cli} }
    let(:runner) { mock('runner') }
    subject { Guard::RailsAssets.new(['watchers'], options) }

    before do
     Guard::RailsAssets::CliRunner.stub(:new).and_return runner
    end

    describe '#start' do
      it_behaves_like 'guard command', :command => :start,         :run => true
    end

    describe '#reload' do
      it_behaves_like 'guard command', :command => :reload,        :run => false
    end

    describe '#run_all' do
      it_behaves_like 'guard command', :command => :run_all,       :run => false
    end

    describe '#run_on_change' do
      it_behaves_like 'guard command', :command => :run_on_change, :run => true
    end

    describe 'run options' do
      it 'should allow array of symbols' do
        guard = Guard::RailsAssets.new(['watchers'], :run_on => [:start, :change])
        guard.run_for?(:start).should be_true
        guard.run_for?(:reload).should be_false
      end

      it 'should allow symbol' do
        guard = Guard::RailsAssets.new(['watchers'], :run_on => :start)
        guard.run_for?(:start).should be_true
        guard.run_for?(:reload).should be_false
      end

    end

    describe 'notifications' do
      def stub_system_with result
        runner.should_receive(:compile_assets).and_return result
      end

      it 'should notify on success' do
        stub_system_with true
        Guard::Notifier.should_receive(:notify).with('Assets compiled')
        subject.compile_assets
      end

      it 'should notify on failure' do
        stub_system_with false
        Guard::Notifier.should_receive(:notify).with('see the details in the terminal', :title => "Can't compile assets", :image => :failed)
        subject.compile_assets
      end
    end

  end # context with any runner

  describe 'picking a runner' do
    it 'should use Rails runner by default' do
      Guard::RailsAssets.new(['watchers']).runner.class.should == ::Guard::RailsAssets::RailsRunner
    end

    it 'should use CLI runner' do
      Guard::RailsAssets.new(['watchers'], :runner => :cli).runner.class.should == ::Guard::RailsAssets::CliRunner
    end
    
    it 'should use RailsRunner' do
      Guard::RailsAssets.new(['watchers'], :runner => :rails).runner.class.should == ::Guard::RailsAssets::RailsRunner
    end
  end
end