lukasz
/
fotos


			
				
					
						
						
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							require "test_helper"
require "tmpdir"
require "fileutils"

class TestHtmlGenerator < Minitest::Test
  def setup
    @temp_source_dir = Dir.mktmpdir("fotos_source")
    @temp_dest_dir = Dir.mktmpdir("fotos_dest")

    # Create a test directory structure with date-named directories
    @test_date = "24-07-2025"
    FileUtils.mkdir_p(File.join(@temp_source_dir, @test_date))

    # Copy test image to the date directory
    source_image = File.expand_path("../fixtures/cockapoo.jpg", __FILE__)
    @test_image_path = File.join(@temp_source_dir, @test_date, "cockapoo.jpg")
    FileUtils.cp(source_image, @test_image_path)

    @options = {
      source: @temp_source_dir,
      dest: @temp_dest_dir,
      thumbnails: false
    }

    @generator = Fotos::HtmlGenerator.new(@options)
  end

  def teardown
    FileUtils.rm_rf(@temp_source_dir)
    FileUtils.rm_rf(@temp_dest_dir)
  end

  def test_initialize_with_options
    assert_instance_of Fotos::SourceDirectory, @generator.source_dir
    assert_instance_of Fotos::SourceDirectory, @generator.dest_dir
    assert_equal false, @generator.generate_thumbnails
  end

  def test_initialize_with_thumbnails_option
    options_with_thumbnails = @options.merge(thumbnails: true)
    generator = Fotos::HtmlGenerator.new(options_with_thumbnails)
    assert_equal true, generator.generate_thumbnails
  end

  def test_call_generates_html_output
    html_content = @generator.call

    # Should contain the date as heading
    assert_includes html_content, "2025-07-24"

    # Should contain image link
    assert_includes html_content, "cockapoo.jpg"

    # Should contain header
    assert_includes html_content, "<html>"
  end

  def test_render_period_outputs_year_headers
    dates = [Date.new(2025, 7, 24), Date.new(2025, 8, 15)]

    result = @generator.send(:render_period, dates)
    assert_includes result, "Lipiec"
    assert_includes result, "Sierpień"
    assert_includes result, "<h2>2025</h2>"
  end

  def test_render_template_month
    month_name = "Lipiec"
    dates = [Date.new(2025, 7, 24), Date.new(2025, 7, 28)]

    result = @generator.send(:render_template, 'month', month: month_name, m_dates: dates)

    assert_includes result, "Lipiec"
    assert_includes result, "24.07"
    assert_includes result, "28.07"
    assert_includes result, "href=\"#24-07-2025\""
    assert_includes result, "href=\"#28-07-2025\""
  end

  def test_render_template_footer
    result = @generator.send(:render_template, 'footer')

    assert_includes result, "&copy; 2023-2025"
    assert_includes result, "Łukasz Badura"
    assert_includes result, "</body>"
    assert_includes result, "</html>"
  end

  def test_render_template_with_missing_template
    assert_raises(Errno::ENOENT) do
      @generator.send(:render_template, 'nonexistent')
    end
  end

  def test_call_with_thumbnail_generation
    options_with_thumbnails = @options.merge(thumbnails: true)
    generator = Fotos::HtmlGenerator.new(options_with_thumbnails)

    # Mock the Thumbnail class to avoid actual image processing
    #thumbnail_mock = Minitest::Mock.new
    #thumbnail_mock.expect(:create, nil, [generator.dest_dir.path])

    #Fotos::Thumbnail.stub(:new, thumbnail_mock) do
      #html_content = generator.call

      ## Should still generate HTML even when thumbnails are created
      #assert_includes html_content, "cockapoo.jpg"
    #end

    #thumbnail_mock.verify
    html_content = generator.call
    assert_includes html_content, "cockapoo.jpg"
  end

  def test_call_handles_non_thumbnail_assets_only
    # Create a thumbnail file in the test directory
    thumbnail_path = File.join(@temp_source_dir, @test_date, "TH_cockapoo.jpg")
    FileUtils.cp(@test_image_path, thumbnail_path)

    html_content = @generator.call

    # Should only process the original image, not the thumbnail
    assert_includes html_content, "cockapoo.jpg"
    # The thumbnail file should be filtered out and not appear as a separate image
    refute_match(/TH_cockapoo\.jpg.*<\/a>/, html_content)
  end
end