require File.dirname(__FILE__) + '/helper'
require 'rdvd-slideshow/slideshow_input'

class TestSlideshowInput < Test::Unit::TestCase

  def test_empty_input
    input = RDvdSlideshow::SlideshowInput.new(nil)
    
    assert File.exists?(input.file_path), "Input file was not created"

    lines = File.readlines(input.file_path)
    assert lines.empty?, "Input file should be empty"
  end
  
  def test_image
    input = RDvdSlideshow::SlideshowInput.new(input_file) do |input|
      input.image(default_image,0.5)
      input.image(default_image,0.5, :effect=>"special_effect")
    end
    
    lines = File.readlines(input.file_path)
    assert_equal 2, lines.length
    assert_equal "#{default_image}:0.500\n", lines[0]
    assert_equal "#{default_image}:0.500::special_effect\n", lines[1]
  end
  
  def test_image_with_no_input_file_path
    input = RDvdSlideshow::SlideshowInput.new do |input|
      input.image(default_image,0.5)
      input.image(default_image,0.5, :effect=>"special_effect")
    end
    
    lines = File.readlines(input.file_path)
    assert_equal 2, lines.length
    assert_equal "#{default_image}:0.500\n", lines[0]
    assert_equal "#{default_image}:0.500::special_effect\n", lines[1]
  end

  def test_title
    input = RDvdSlideshow::SlideshowInput.new(input_file) do |input|
      input.title 0.5,"test_title"
    end
    
    lines = File.readlines(input.file_path)
    assert_equal 1, lines.length
    assert_equal "title:0.500:test_title\n", lines[0]
  end
  
  def test_titlebar
    input = RDvdSlideshow::SlideshowInput.new(input_file) do |input|
      input.titlebar 0.5
      input.titlebar 0.5,{:upper_title=>"my upper text"}
      input.titlebar 0.5,{:lower_title=>"my lower text"}
      input.titlebar 0.5,{:upper_title=>"my upper text",:lower_title=>"my lower text"}
    end
    
    lines = File.readlines(input.file_path)
    assert_equal 4, lines.length
    assert_equal "titlebar:0.500\n", lines[0]
    assert_equal "titlebar:0.500:my upper text\n", lines[1]
    assert_equal "titlebar:0.500::my lower text\n", lines[2]
    assert_equal "titlebar:0.500:my upper text:my lower text\n", lines[3]
  end
  
  def test_musictitle
    input = RDvdSlideshow::SlideshowInput.new(input_file) do |input|
      input.musictitle(0.5)
      input.musictitle(0.5,{:subtitle=>"my subtitle"})
    end
    
    lines = File.readlines(input.file_path)
    assert_equal 2, lines.length
    assert_equal "musictitle:0.500\n", lines[0]
    assert_equal "musictitle:0.500:my subtitle\n", lines[1]
  end
  
  def test_exit
    input = RDvdSlideshow::SlideshowInput.new(input_file) do |input|
      input.exit
    end
    
    lines = File.readlines(input.file_path)
    assert_equal 1, lines.length
    assert_equal "exit\n", lines[0]
  end
  
  def test_duration_conversion
    input = RDvdSlideshow::SlideshowInput.new(input_file) do |input|
      input.image(default_image, 2)
      input.image(default_image, 1.23456789)
    end
    
    lines = File.readlines(input.file_path)
    assert_equal "#{default_image}:2.000\n", lines[0]
    assert_equal "#{default_image}:1.235\n", lines[1]
  end
  
end