require 'spec_helper'
require 'tempfile'

module RevealCK
  describe SlidesHtmlBuilder do

    let :data do
      File.join 'spec', 'data', 'slides_html_builder'
    end

    context 'when working with slim' do

      let :input_file do
        File.join data, 'slides.slim'
      end

      describe '#render' do
        it 'knows how to create slide content from slim' do
          builder = SlidesHtmlBuilder.new input_file: input_file
          expect(builder.render).to include "<section>"
          expect(builder.render).to include "<h1>"
          expect(builder.render).to include "Hello Slim!"
        end
      end

    end

    context 'when working with haml' do

      let :input_file do
        File.join data, 'slides.haml'
      end

      describe '#render' do
        it 'knows how to create slide content from haml' do
          builder = SlidesHtmlBuilder.new input_file: input_file
          expect(builder.render).to include "<section>"
          expect(builder.render).to include "<h1>"
          expect(builder.render).to include "Hello Haml!"
        end
      end

    end

    context 'when working with ruby' do

      let :input_file do
        File.join data, 'slides.rb'
      end

      describe '#render' do
        it 'knows how to create slide content from ruby' do
          builder = SlidesHtmlBuilder.new input_file: input_file
          expect(builder.render).to include "<section>"
          expect(builder.render).to include "<h2>"
          expect(builder.render).to include "Hello Ruby!"
        end
      end

    end

    context 'when working with a Presentation' do

      let :presentation do
        quote = Slide.new({
                            template: 'quote',
                            content:  'Hello Ruby!',
                            citation: 'https://www.ruby-lang.org/en/about/'
                          })
        presentation = Presentation.new
        presentation.add_slide quote
        presentation
      end

      describe '#render' do
        it 'knows how to create slide content from a Presentation' do
          builder = SlidesHtmlBuilder.new presentation: presentation
          expect(builder.render).to include "<section>"
          expect(builder.render).to include "<blockquote"
          expect(builder.render).to include "Hello Ruby!"
        end
      end

    end

    describe '#write_to' do

      it 'can write #rendered output to a file' do
        input_file = File.join data, 'slides.haml'
        builder = SlidesHtmlBuilder.new input_file: input_file
        tmp_file = Tempfile.new 'slides.html'
        builder.write_to file: tmp_file.path

        written_content = File.open(tmp_file).read
        expect(written_content).to include "<section>"
        expect(written_content).to include "<h1>"
        expect(written_content).to include "Hello Haml!"
      end

    end
  end
end