require 'spec_helper'
require 'magic_reveal/creator'
require 'pathname'

describe MagicReveal::Creator do
  let(:fetcher) { double(MagicReveal::RevealJsFetcher).as_null_object }
  before do
    subject.stub(:system) # This is an integration test thingy.
    subject.reveal_js_fetcher = fetcher
  end

  context 'with a temporary directory' do
    subject { described_class.new @tmpdir }
    around do |example|
      Dir.mktmpdir do |dir|
        @tmpdir = Pathname.new dir
        example.run
      end
    end

    its(:directory) { should eq(@tmpdir) }

    describe 'create_project' do
      let(:project) { "project#{rand 99}" }
      before do
        FileUtils.stub(:copy_file)
        Pathname.any_instance.stub(:children).and_return([])
      end

      it 'makes the project directory' do
        subject.create_project(project)
        expect(@tmpdir + project).to be_directory
      end

      it 'fetches and saves reveal.js' do
        subject.create_project(project)
        expect(fetcher)
          .to have_received(:save_important_parts_to)
          .with(@tmpdir + project)
      end

      it 'copies the template_slides' do
        src = subject.template_slides
        dst = @tmpdir + project + 'slides.md'
        FileUtils.should_receive(:copy_file).with(src.to_s, dst.to_s)
        subject.create_project(project)
      end

      it 'copies the template_config_ru' do
        src = subject.template_config_ru
        dst = @tmpdir + project + 'config.ru'
        FileUtils.should_receive(:copy_file).with(src.to_s, dst.to_s)
        subject.create_project(project)
      end
    end

    describe 'update_project' do
      let(:project) { @tmpdir + "project#{rand 99}" }

      it 'fetches and saves reveal.js' do
        subject.update_project(project)
        expect(fetcher)
          .to have_received(:save_important_parts_to)
          .with(project)
      end
    end

    describe '.template_slides' do
      its(:template_slides) { should be_kind_of(Pathname) }
      its(:template_slides) { should be_file }
    end

    describe '.template_config_ru' do
      its(:template_config_ru) { should be_kind_of(Pathname) }
      its(:template_config_ru) { should be_file }
    end
  end
end