# frozen_string_literal: true
require_relative 'test_helper'

BUILT_IN_ELEMENTS = %w(admonition audio colist dlist document embedded example floating_title image inline_anchor inline_break inline_button inline_callout inline_footnote inline_image inline_indexterm inline_kbd inline_menu inline_quoted listing literal stem olist open page_break paragraph pass preamble quote section sidebar table thematic_break toc ulist verse video)

context 'Document' do

  context 'Example document' do
    test 'document title' do
      doc = example_document(:asciidoc_index)
      assert_equal 'AsciiDoc Home Page', doc.doctitle
      assert_equal 'AsciiDoc Home Page', doc.name
      refute_nil doc.header
      assert_equal :section, doc.header.context
      assert_equal 'header', doc.header.sectname
      assert_equal 14, doc.blocks.size
      assert_equal :preamble, doc.blocks[0].context
      assert_equal :section, doc.blocks[1].context

      # verify compat-mode is set when atx-style doctitle is used
      result = doc.blocks[0].convert
      assert_xpath %q(//em[text()="Stuart Rackham"]), result, 1
    end
  end

  context 'Default settings' do
    test 'safe mode level set to SECURE by default' do
      doc = empty_document
      assert_equal Asciidoctor::SafeMode::SECURE, doc.safe
    end

    test 'safe mode level set using string' do
      doc = empty_document safe: 'server'
      assert_equal Asciidoctor::SafeMode::SERVER, doc.safe

      doc = empty_document safe: 'foo'
      assert_equal Asciidoctor::SafeMode::SECURE, doc.safe
    end

    test 'safe mode level set using symbol' do
      doc = empty_document safe: :server
      assert_equal Asciidoctor::SafeMode::SERVER, doc.safe

      doc = empty_document safe: :foo
      assert_equal Asciidoctor::SafeMode::SECURE, doc.safe
    end

    test 'safe mode level set using integer' do
      doc = empty_document safe: 10
      assert_equal Asciidoctor::SafeMode::SERVER, doc.safe

      doc = empty_document safe: 100
      assert_equal 100, doc.safe
    end

    test 'safe mode attributes are set on document' do
      doc = empty_document
      assert_equal Asciidoctor::SafeMode::SECURE, doc.attr('safe-mode-level')
      assert_equal 'secure', doc.attr('safe-mode-name')
      assert doc.attr?('safe-mode-secure')
      refute doc.attr?('safe-mode-unsafe')
      refute doc.attr?('safe-mode-safe')
      refute doc.attr?('safe-mode-server')
    end

    test 'safe mode level can be set in the constructor' do
      doc = Asciidoctor::Document.new [], safe: Asciidoctor::SafeMode::SAFE
      assert_equal Asciidoctor::SafeMode::SAFE, doc.safe
    end

    test 'safe model level cannot be modified' do
      doc = empty_document
      begin
        doc.safe = Asciidoctor::SafeMode::UNSAFE
        flunk 'safe mode property of Asciidoctor::Document should not be writable!'
      rescue
      end
    end

    test 'toc and sectnums should be enabled by default in DocBook backend' do
      doc = document_from_string 'content', backend: 'docbook', parse: true
      assert doc.attr?('toc')
      assert doc.attr?('sectnums')
      result = doc.convert
      assert_match('<?asciidoc-toc?>', result)
      assert_match('<?asciidoc-numbered?>', result)
    end

    test 'maxdepth attribute should be set on asciidoc-toc and asciidoc-numbered processing instructions in DocBook backend' do
      doc = document_from_string 'content', backend: 'docbook', parse: true, attributes: { 'toclevels' => '1', 'sectnumlevels' => '1' }
      assert doc.attr?('toc')
      assert doc.attr?('sectnums')
      result = doc.convert
      assert_match('<?asciidoc-toc maxdepth="1"?>', result)
      assert_match('<?asciidoc-numbered maxdepth="1"?>', result)
    end

    test 'should be able to disable toc and sectnums in document header in DocBook backend' do
      input = <<~'EOS'
      = Document Title
      :toc!:
      :sectnums!:
      EOS
      doc = document_from_string input, backend: 'docbook'
      refute doc.attr?('toc')
      refute doc.attr?('sectnums')
    end

    test 'noheader attribute should suppress info element when converting to DocBook' do
      input = <<~'EOS'
      = Document Title
      :noheader:

      content
      EOS
      result = convert_string input, backend: 'docbook'
      assert_xpath '/article', result, 1
      assert_xpath '/article/info', result, 0
    end

    test 'should be able to disable section numbering using numbered attribute in document header in DocBook backend' do
      input = <<~'EOS'
      = Document Title
      :numbered!:
      EOS
      doc = document_from_string input, backend: 'docbook'
      refute doc.attr?('sectnums')
    end
  end

  context 'Docinfo files' do
    test 'should include docinfo files for html backend' do
      sample_input_path = fixture_path('basic.adoc')

      cases = {
        'docinfo'                => { head_script: 1, meta: 0, top_link: 0, footer_script: 1, navbar: 1 },
        'docinfo=private'        => { head_script: 1, meta: 0, top_link: 0, footer_script: 1, navbar: 1 },
        'docinfo1'               => { head_script: 0, meta: 1, top_link: 1, footer_script: 0, navbar: 0 },
        'docinfo=shared'         => { head_script: 0, meta: 1, top_link: 1, footer_script: 0, navbar: 0 },
        'docinfo2'               => { head_script: 1, meta: 1, top_link: 1, footer_script: 1, navbar: 1 },
        'docinfo docinfo2'       => { head_script: 1, meta: 1, top_link: 1, footer_script: 1, navbar: 1 },
        'docinfo=private,shared' => { head_script: 1, meta: 1, top_link: 1, footer_script: 1, navbar: 1 },
        'docinfo=private-head'   => { head_script: 1, meta: 0, top_link: 0, footer_script: 0, navbar: 0 },
        'docinfo=private-header' => { head_script: 0, meta: 0, top_link: 0, footer_script: 0, navbar: 1 },
        'docinfo=shared-head'    => { head_script: 0, meta: 1, top_link: 0, footer_script: 0, navbar: 0 },
        'docinfo=private-footer' => { head_script: 0, meta: 0, top_link: 0, footer_script: 1, navbar: 0 },
        'docinfo=shared-footer'  => { head_script: 0, meta: 0, top_link: 1, footer_script: 0, navbar: 0 },
        'docinfo=private-head\ ,\ shared-footer' => { head_script: 1, meta: 0, top_link: 1, footer_script: 0, navbar: 0 },
      }

      cases.each do |attr_val, markup|
        output = Asciidoctor.convert_file sample_input_path, to_file: false,
            standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: %(linkcss copycss! #{attr_val})
        refute_empty output
        assert_css 'script[src="modernizr.js"]', output, markup[:head_script]
        assert_css 'meta[http-equiv="imagetoolbar"]', output, markup[:meta]
        assert_css 'body > a#top', output, markup[:top_link]
        assert_css 'body > script', output, markup[:footer_script]
        assert_css 'body > nav.navbar', output, markup[:navbar]
        assert_css 'body > nav.navbar + #header', output, markup[:navbar]
      end
    end

    test 'should include docinfo header even if noheader attribute is set' do
      sample_input_path = fixture_path('basic.adoc')
      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo' => 'private-header', 'noheader' => '' }
      refute_empty output
      assert_css 'body > nav.navbar', output, 1
      assert_css 'body > nav.navbar + #content', output, 1
    end

    test 'should include docinfo footer even if nofooter attribute is set' do
      sample_input_path = fixture_path('basic.adoc')
      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo1' => '', 'nofooter' => '' }
      refute_empty output
      assert_css 'body > a#top', output, 1
    end

    test 'should include user docinfo after built-in docinfo' do
      sample_input_path = fixture_path 'basic.adoc'
      attrs = { 'docinfo' => 'shared', 'source-highlighter' => 'highlight.js', 'linkcss' => '', 'copycss' => nil }
      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, safe: :safe, attributes: attrs
      assert_css 'link[rel=stylesheet] + meta[http-equiv=imagetoolbar]', output, 1
      assert_css 'meta[http-equiv=imagetoolbar] + *', output, 0
      assert_css 'script + a#top', output, 1
      assert_css 'a#top + *', output, 0
    end

    test 'should include docinfo files for html backend with custom docinfodir' do
      sample_input_path = fixture_path('basic.adoc')

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
                                        standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo' => '', 'docinfodir' => 'custom-docinfodir' }
      refute_empty output
      assert_css 'script[src="bootstrap.js"]', output, 1
      assert_css 'meta[name="robots"]', output, 0

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
                                        standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo1' => '', 'docinfodir' => 'custom-docinfodir' }
      refute_empty output
      assert_css 'script[src="bootstrap.js"]', output, 0
      assert_css 'meta[name="robots"]', output, 1

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
                                        standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo2' => '', 'docinfodir' => './custom-docinfodir' }
      refute_empty output
      assert_css 'script[src="bootstrap.js"]', output, 1
      assert_css 'meta[name="robots"]', output, 1

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
                                        standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo2' => '', 'docinfodir' => 'custom-docinfodir/subfolder' }
      refute_empty output
      assert_css 'script[src="bootstrap.js"]', output, 0
      assert_css 'meta[name="robots"]', output, 0
    end

    test 'should include docinfo files in docbook backend' do
      sample_input_path = fixture_path('basic.adoc')

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo' => '' }
      refute_empty output
      assert_css 'productname', output, 0
      assert_css 'copyright', output, 1

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo1' => '' }
      refute_empty output
      assert_css 'productname', output, 1
      assert_xpath '//xmlns:productname[text()="Asciidoctor™"]', output, 1
      assert_css 'edition', output, 1
      assert_xpath '//xmlns:edition[text()="1.0"]', output, 1 # verifies substitutions are performed
      assert_css 'copyright', output, 0

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo2' => '' }
      refute_empty output
      assert_css 'productname', output, 1
      assert_xpath '//xmlns:productname[text()="Asciidoctor™"]', output, 1
      assert_css 'edition', output, 1
      assert_xpath '//xmlns:edition[text()="1.0"]', output, 1 # verifies substitutions are performed
      assert_css 'copyright', output, 1
    end

    test 'should use header docinfo in place of default header' do
      output = Asciidoctor.convert_file fixture_path('sample.adoc'), to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo' => 'private-header', 'noheader' => '' }
      refute_empty output
      assert_css 'article > info', output, 1
      assert_css 'article > info > title', output, 1
      assert_css 'article > info > revhistory', output, 1
      assert_css 'article > info > revhistory > revision', output, 2
    end

    test 'should include docinfo footer files for html backend' do
      sample_input_path = fixture_path('basic.adoc')

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo' => '' }
      refute_empty output
      assert_css 'body script', output, 1
      assert_css 'a#top', output, 0

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo1' => '' }
      refute_empty output
      assert_css 'body script', output, 0
      assert_css 'a#top', output, 1

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo2' => '' }
      refute_empty output
      assert_css 'body script', output, 1
      assert_css 'a#top', output, 1
    end

    test 'should include docinfo footer files in DocBook backend' do
      sample_input_path = fixture_path('basic.adoc')

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo' => '' }
      refute_empty output
      assert_css 'article > revhistory', output, 1
      assert_xpath '/xmlns:article/xmlns:revhistory/xmlns:revision/xmlns:revnumber[text()="1.0"]', output, 1 # verifies substitutions are performed
      assert_css 'glossary', output, 0

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo1' => '' }
      refute_empty output
      assert_css 'article > revhistory', output, 0
      assert_css 'glossary[xml|id="_glossary"]', output, 1

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo2' => '' }
      refute_empty output
      assert_css 'article > revhistory', output, 1
      assert_xpath '/xmlns:article/xmlns:revhistory/xmlns:revision/xmlns:revnumber[text()="1.0"]', output, 1 # verifies substitutions are performed
      assert_css 'glossary[xml|id="_glossary"]', output, 1
    end

    # WARNING this test manipulates runtime settings; should probably be run in forked process
    test 'should force encoding of docinfo files to UTF-8' do
      old_external = Encoding.default_external
      old_internal = Encoding.default_internal
      old_verbose = $VERBOSE
      begin
        $VERBOSE = nil # disable warnings since we have to modify constants
        Encoding.default_external = Encoding.default_internal = Encoding::IBM437
        sample_input_path = fixture_path('basic.adoc')
        output = Asciidoctor.convert_file sample_input_path, to_file: false, standalone: true,
            backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER, attributes: { 'docinfo' => 'private,shared' }
        refute_empty output
        assert_css 'productname', output, 1
        assert_includes output, '<productname>Asciidoctor™</productname>'
        assert_css 'edition', output, 1
        assert_xpath '//xmlns:edition[text()="1.0"]', output, 1 # verifies substitutions are performed
        assert_css 'copyright', output, 1
      ensure
        Encoding.default_external = old_external
        Encoding.default_internal = old_internal
        $VERBOSE = old_verbose
      end
    end

    test 'should not include docinfo files by default' do
      sample_input_path = fixture_path('basic.adoc')

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, safe: Asciidoctor::SafeMode::SERVER
      refute_empty output
      assert_css 'script[src="modernizr.js"]', output, 0
      assert_css 'meta[http-equiv="imagetoolbar"]', output, 0

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', safe: Asciidoctor::SafeMode::SERVER
      refute_empty output
      assert_css 'productname', output, 0
      assert_css 'copyright', output, 0
    end

    test 'should not include docinfo files if safe mode is SECURE or greater' do
      sample_input_path = fixture_path('basic.adoc')

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, attributes: { 'docinfo2' => '' }
      refute_empty output
      assert_css 'script[src="modernizr.js"]', output, 0
      assert_css 'meta[http-equiv="imagetoolbar"]', output, 0

      output = Asciidoctor.convert_file sample_input_path, to_file: false,
          standalone: true, backend: 'docbook', attributes: { 'docinfo2' => '' }
      refute_empty output
      assert_css 'productname', output, 0
      assert_css 'copyright', output, 0
    end

    test 'should substitute attributes in docinfo files by default' do
      sample_input_path = fixture_path 'subs.adoc'
      using_memory_logger do |logger|
        output = Asciidoctor.convert_file sample_input_path,
            to_file: false,
            standalone: true,
            safe: :server,
            attributes: { 'docinfo' => '', 'bootstrap-version' => nil, 'linkcss' => '', 'attribute-missing' => 'drop-line' }
        refute_empty output
        assert_css 'script', output, 0
        assert_xpath %(//meta[@name="copyright"][@content="(C) OpenDevise"]), output, 1
        assert_message logger, :INFO, 'dropping line containing reference to missing attribute: bootstrap-version'
      end
    end

    test 'should apply explicit substitutions to docinfo files' do
      sample_input_path = fixture_path 'subs.adoc'
      output = Asciidoctor.convert_file sample_input_path,
          to_file: false,
          standalone: true,
          safe: :server,
          attributes: { 'docinfo' => '', 'docinfosubs' => 'attributes,replacements', 'linkcss' => '' }
      refute_empty output
      assert_css 'script[src="bootstrap.3.2.0.min.js"]', output, 1
      assert_xpath %(//meta[@name="copyright"][@content="#{decode_char 169} OpenDevise"]), output, 1
    end
  end

  context 'MathJax' do
    test 'should add MathJax script to HTML head if stem attribute is set' do
      output = convert_string '', attributes: { 'stem' => '' }
      assert_match('<script type="text/x-mathjax-config">', output)
      assert_match('inlineMath: [["\\\\(", "\\\\)"]]', output)
      assert_match('displayMath: [["\\\\[", "\\\\]"]]', output)
      assert_match('delimiters: [["\\\\$", "\\\\$"]]', output)
    end
  end

  context 'Converter' do
    test 'convert methods on built-in converter are registered by default' do
      doc = document_from_string ''
      assert_equal 'html5', doc.attributes['backend']
      assert doc.attributes.key? 'backend-html5'
      assert_equal 'html', doc.attributes['basebackend']
      assert doc.attributes.key? 'basebackend-html'
      converter = doc.converter
      assert_kind_of Asciidoctor::Converter::Html5Converter, converter
      BUILT_IN_ELEMENTS.each do |element|
        assert_respond_to converter, %(convert_#{element})
      end
    end

    test 'convert methods on built-in converter are registered when backend is docbook5' do
      doc = document_from_string '', attributes: { 'backend' => 'docbook5' }
      assert_equal 'docbook5', doc.attributes['backend']
      assert doc.attributes.key? 'backend-docbook5'
      assert_equal 'docbook', doc.attributes['basebackend']
      assert doc.attributes.key? 'basebackend-docbook'
      converter = doc.converter
      assert_kind_of Asciidoctor::Converter::DocBook5Converter, converter
      BUILT_IN_ELEMENTS.each do |element|
        assert_respond_to converter, %(convert_#{element})
      end
    end

    test 'should add favicon if favicon attribute is set' do
      {
        '' => %w(favicon.ico image/x-icon),
        '/favicon.ico' => %w(/favicon.ico image/x-icon),
        '/img/favicon.png' => %w(/img/favicon.png image/png),
      }.each do |val, (href, type)|
        result = convert_string '= Untitled', attributes: { 'favicon' => val }
        assert_css 'link[rel="icon"]', result, 1
        assert_css %(link[rel="icon"][href="#{href}"]), result, 1
        assert_css %(link[rel="icon"][type="#{type}"]), result, 1
      end
    end
  end

  context 'Structure' do
    test 'document with no doctitle' do
      doc = document_from_string('Snorf')
      assert_nil doc.doctitle
      assert_nil doc.name
      refute doc.has_header?
      assert_nil doc.header
    end

    test 'should enable compat mode for document with legacy doctitle' do
      input = <<~'EOS'
      Document Title
      ==============

      +content+
      EOS

      doc = document_from_string input
      assert(doc.attr? 'compat-mode')
      result = doc.convert
      assert_xpath '//code[text()="content"]', result, 1
    end

    test 'should not enable compat mode for document with legacy doctitle if compat mode disable by header' do
      input = <<~'EOS'
      Document Title
      ==============
      :compat-mode!:

      +content+
      EOS

      doc = document_from_string input
      assert_nil(doc.attr 'compat-mode')
      result = doc.convert
      assert_xpath '//code[text()="content"]', result, 0
    end

    test 'should not enable compat mode for document with legacy doctitle if compat mode is locked by API' do
      input = <<~'EOS'
      Document Title
      ==============

      +content+
      EOS

      doc = document_from_string input, attributes: { 'compat-mode' => nil }
      assert(doc.attribute_locked? 'compat-mode')
      assert_nil(doc.attr 'compat-mode')
      result = doc.convert
      assert_xpath '//code[text()="content"]', result, 0
    end

    test 'should apply max-width to each top-level container' do
      input = <<~'EOS'
      = Document Title

      contentfootnote:[placeholder]
      EOS

      output = convert_string input, attributes: { 'max-width' => '70em' }
      assert_css 'body[style]', output, 0
      assert_css '#header[style="max-width: 70em;"]', output, 1
      assert_css '#content[style="max-width: 70em;"]', output, 1
      assert_css '#footnotes[style="max-width: 70em;"]', output, 1
      assert_css '#footer[style="max-width: 70em;"]', output, 1
    end

    test 'title partition API with default separator' do
      title = Asciidoctor::Document::Title.new 'Main Title: And More: Subtitle'
      assert_equal 'Main Title: And More', title.main
      assert_equal 'Subtitle', title.subtitle
    end

    test 'title partition API with custom separator' do
      title = Asciidoctor::Document::Title.new 'Main Title:: And More:: Subtitle', separator: '::'
      assert_equal 'Main Title:: And More', title.main
      assert_equal 'Subtitle', title.subtitle
    end

    test 'document with subtitle' do
      input = <<~'EOS'
      = Main Title: *Subtitle*
      Author Name

      content
      EOS

      doc = document_from_string input
      title = doc.doctitle partition: true, sanitize: true
      assert title.subtitle?
      assert title.sanitized?
      assert_equal 'Main Title', title.main
      assert_equal 'Subtitle', title.subtitle
    end

    test 'document with subtitle and custom separator' do
      input = <<~'EOS'
      [separator=::]
      = Main Title:: *Subtitle*
      Author Name

      content
      EOS

      doc = document_from_string input
      title = doc.doctitle partition: true, sanitize: true
      assert title.subtitle?
      assert title.sanitized?
      assert_equal 'Main Title', title.main
      assert_equal 'Subtitle', title.subtitle
    end

    test 'should not honor custom separator for doctitle if attribute is locked by API' do
      input = <<~'EOS'
      [separator=::]
      = Main Title - *Subtitle*
      Author Name

      content
      EOS

      doc = document_from_string input, attributes: { 'title-separator' => ' -' }
      title = doc.doctitle partition: true, sanitize: true
      assert title.subtitle?
      assert title.sanitized?
      assert_equal 'Main Title', title.main
      assert_equal 'Subtitle', title.subtitle
    end

    test 'document with doctitle defined as attribute entry' do
      input = <<~'EOS'
      :doctitle: Document Title

      preamble

      == First Section
      EOS
      doc = document_from_string input
      assert_equal 'Document Title', doc.doctitle
      assert doc.has_header?
      assert_equal 'Document Title', doc.header.title
      assert_equal 'Document Title', doc.first_section.title
    end

    test 'document with doctitle defined as attribute entry followed by block with title' do
      input = <<~'EOS'
      :doctitle: Document Title

      .Block title
      Block content
      EOS

      doc = document_from_string input
      assert_equal 'Document Title', doc.doctitle
      assert doc.has_header?
      assert_equal 1, doc.blocks.size
      assert_equal :paragraph, doc.blocks[0].context
      assert_equal 'Block title', doc.blocks[0].title
    end

    test 'document with title attribute entry overrides doctitle' do
      input = <<~'EOS'
      = Document Title
      :title: Override

      {doctitle}

      == First Section
      EOS
      doc = document_from_string input
      assert_equal 'Override', doc.doctitle
      assert_equal 'Override', doc.title
      assert doc.has_header?
      assert_equal 'Document Title', doc.header.title
      assert_equal 'Document Title', doc.first_section.title
      assert_xpath '//*[@id="preamble"]//p[text()="Document Title"]', doc.convert, 1
    end

    test 'document with blank title attribute entry overrides doctitle' do
      input = <<~'EOS'
      = Document Title
      :title:

      {doctitle}

      == First Section
      EOS
      doc = document_from_string input
      assert_equal '', doc.doctitle
      assert_equal '', doc.title
      assert doc.has_header?
      assert_equal 'Document Title', doc.header.title
      assert_equal 'Document Title', doc.first_section.title
      assert_xpath '//*[@id="preamble"]//p[text()="Document Title"]', doc.convert, 1
    end

    test 'document header can reference intrinsic doctitle attribute' do
      input = <<~'EOS'
      = ACME Documentation
      :intro: Welcome to the {doctitle}!

      {intro}
      EOS
      doc = document_from_string input
      assert_equal 'Welcome to the ACME Documentation!', (doc.attr 'intro')
      assert_xpath '//p[text()="Welcome to the ACME Documentation!"]', doc.convert, 1
    end

    test 'document with title attribute entry overrides doctitle attribute entry' do
      input = <<~'EOS'
      = Document Title
      :snapshot: {doctitle}
      :doctitle: doctitle
      :title: Override

      {snapshot}, {doctitle}

      == First Section
      EOS
      doc = document_from_string input
      assert_equal 'Override', doc.doctitle
      assert_equal 'Override', doc.title
      assert doc.has_header?
      assert_equal 'doctitle', doc.header.title
      assert_equal 'doctitle', doc.first_section.title
      assert_xpath '//*[@id="preamble"]//p[text()="Document Title, doctitle"]', doc.convert, 1
    end

    test 'document with doctitle attribute entry overrides implicit doctitle' do
      input = <<~'EOS'
      = Document Title
      :snapshot: {doctitle}
      :doctitle: Override

      {snapshot}, {doctitle}

      == First Section
      EOS
      doc = document_from_string input
      assert_equal 'Override', doc.doctitle
      assert_nil doc.attributes['title']
      assert doc.has_header?
      assert_equal 'Override', doc.header.title
      assert_equal 'Override', doc.first_section.title
      assert_xpath '//*[@id="preamble"]//p[text()="Document Title, Override"]', doc.convert, 1
    end

    test 'doctitle attribute entry above header overrides implicit doctitle' do
      input = <<~'EOS'
      :doctitle: Override
      = Document Title

      {doctitle}

      == First Section
      EOS
      doc = document_from_string input
      assert_equal 'Override', doc.doctitle
      assert_nil doc.attributes['title']
      assert doc.has_header?
      assert_equal 'Override', doc.header.title
      assert_equal 'Override', doc.first_section.title
      assert_xpath '//*[@id="preamble"]//p[text()="Override"]', doc.convert, 1
    end

    test 'should apply header substitutions to value of the doctitle attribute assigned from implicit doctitle' do
      input = <<~'EOS'
      = <Foo> {plus} <Bar>

      The name of the game is {doctitle}.
      EOS

      doc = document_from_string input
      assert_equal '&lt;Foo&gt; &#43; &lt;Bar&gt;', (doc.attr 'doctitle')
      assert_includes doc.blocks[0].content, '&lt;Foo&gt; &#43; &lt;Bar&gt;'
    end

    test 'should substitute attribute reference in implicit document title for attribute defined earlier in header' do
      using_memory_logger do |logger|
        input = <<~'EOS'
        :project-name: ACME
        = {project-name} Docs

        {doctitle}
        EOS
        doc = document_from_string input, attributes: { 'attribute-missing' => 'warn' }
        assert_empty logger
        assert_equal 'ACME Docs', (doc.attr 'doctitle')
        assert_equal 'ACME Docs', doc.doctitle
        assert_xpath '//p[text()="ACME Docs"]', doc.convert, 1
      end
    end

    test 'should not warn if implicit document title contains attribute reference for attribute defined later in header' do
      using_memory_logger do |logger|
        input = <<~'EOS'
        = {project-name} Docs
        :project-name: ACME

        {doctitle}
        EOS
        doc = document_from_string input, attributes: { 'attribute-missing' => 'warn' }
        assert_empty logger
        assert_equal '{project-name} Docs', (doc.attr 'doctitle')
        assert_equal 'ACME Docs', doc.doctitle
        assert_xpath '//p[text()="{project-name} Docs"]', doc.convert, 1
      end
    end

    test 'should recognize document title when preceded by blank lines' do
      input = <<~'EOS'

      = Title

      preamble

      == Section 1

      text
      EOS
      output = convert_string input, safe: Asciidoctor::SafeMode::SAFE
      assert_css '#header h1', output, 1
      assert_css '#content h1', output, 0
    end

    test 'should recognize document title when preceded by blank lines introduced by a preprocessor conditional' do
      input = <<~'EOS'
      ifdef::sectids[]

      :foo: bar
      endif::[]
      = Title

      preamble

      == Section 1

      text
      EOS
      output = convert_string input, safe: Asciidoctor::SafeMode::SAFE
      assert_css '#header h1', output, 1
      assert_css '#content h1', output, 0
    end

    test 'should recognize document title when preceded by blank lines after an attribute entry' do
      input = <<~'EOS'
      :doctype: book

      = Title

      preamble

      == Section 1

      text
      EOS
      output = convert_string input, safe: Asciidoctor::SafeMode::SAFE
      assert_css '#header h1', output, 1
      assert_css '#content h1', output, 0
    end

    test 'should recognize document title in include file when preceded by blank lines' do
      input = <<~'EOS'
      include::fixtures/include-with-leading-blank-line.adoc[]
      EOS
      output = convert_string input, safe: Asciidoctor::SafeMode::SAFE, attributes: { 'docdir' => testdir }
      assert_xpath '//h1[text()="Document Title"]', output, 1
      assert_css '#toc', output, 1
    end

    test 'should include specified lines even when leading lines are skipped' do
      input = <<~'EOS'
      include::fixtures/include-with-leading-blank-line.adoc[lines=6]
      EOS
      output = convert_string input, safe: Asciidoctor::SafeMode::SAFE, attributes: { 'docdir' => testdir }
      assert_xpath '//h2[text()="Section"]', output, 1
    end

    test 'document with multiline attribute entry but only one line should not crash' do
      input = ':foo: bar' + Asciidoctor::LINE_CONTINUATION
      doc = document_from_string input
      assert_equal 'bar', doc.attributes['foo']
    end

    test 'should sanitize contents of HTML title element' do
      input = <<~'EOS'
      = *Document* image:logo.png[] _Title_ image:another-logo.png[another logo]

      content
      EOS

      output = convert_string input
      assert_xpath '/html/head/title[text()="Document Title"]', output, 1
      nodes = xmlnodes_at_xpath('//*[@id="header"]/h1', output)
      assert_equal 1, nodes.size
      assert_match('<h1><strong>Document</strong> <span class="image"><img src="logo.png" alt="logo"></span> <em>Title</em> <span class="image"><img src="another-logo.png" alt="another logo"></span></h1>', output)
    end

    test 'should not choke on empty source' do
      doc = Asciidoctor::Document.new ''
      assert_empty doc.blocks
      assert_nil doc.doctitle
      refute doc.has_header?
      assert_nil doc.header
    end

    test 'should not choke on nil source' do
      doc = Asciidoctor::Document.new nil
      assert_empty doc.blocks
      assert_nil doc.doctitle
      refute doc.has_header?
      assert_nil doc.header
    end

    test 'with metadata' do
      input = <<~'EOS'
      = AsciiDoc
      Stuart Rackham <founder@asciidoc.org>
      v8.6.8, 2012-07-12: See changelog.
      :description: AsciiDoc user guide
      :keywords: asciidoc,documentation
      :copyright: Stuart Rackham

      == Version 8.6.8

      more info...
      EOS
      output = convert_string input
      assert_xpath '//meta[@name="author"][@content="Stuart Rackham"]', output, 1
      assert_xpath '//meta[@name="description"][@content="AsciiDoc user guide"]', output, 1
      assert_xpath '//meta[@name="keywords"][@content="asciidoc,documentation"]', output, 1
      assert_xpath '//meta[@name="copyright"][@content="Stuart Rackham"]', output, 1
      assert_xpath '//*[@id="header"]/*[@class="details"]/span[@id="author"][text()="Stuart Rackham"]', output, 1
      assert_xpath '//*[@id="header"]/*[@class="details"]/span[@id="email"]/a[@href="mailto:founder@asciidoc.org"][text()="founder@asciidoc.org"]', output, 1
      assert_xpath '//*[@id="header"]/*[@class="details"]/span[@id="revnumber"][text()="version 8.6.8,"]', output, 1
      assert_xpath '//*[@id="header"]/*[@class="details"]/span[@id="revdate"][text()="2012-07-12"]', output, 1
      assert_xpath '//*[@id="header"]/*[@class="details"]/span[@id="revremark"][text()="See changelog."]', output, 1
    end

    test 'should parse revision line if date is empty' do
      input = <<~'EOS'
      = Document Title
      Author Name
      v1.0.0,:remark

      content
      EOS

      doc = document_from_string input
      assert_equal '1.0.0', doc.attributes['revnumber']
      assert_nil doc.attributes['revdate']
      assert_equal 'remark', doc.attributes['revremark']
    end

    test 'should include revision history in DocBook output if revdate and revnumber is set' do
      input = <<~'EOS'
      = Document Title
      Author Name
      :revdate: 2011-11-11
      :revnumber: 1.0

      content
      EOS

      output = convert_string input, backend: 'docbook'
      assert_css 'revhistory', output, 1
      assert_css 'revhistory > revision', output, 1
      assert_css 'revhistory > revision > date', output, 1
      assert_css 'revhistory > revision > revnumber', output, 1
    end

    test 'should include revision history in DocBook output if revdate and revremark is set' do
      input = <<~'EOS'
      = Document Title
      Author Name
      :revdate: 2011-11-11
      :revremark: features!

      content
      EOS

      output = convert_string input, backend: 'docbook'
      assert_css 'revhistory', output, 1
      assert_css 'revhistory > revision', output, 1
      assert_css 'revhistory > revision > date', output, 1
      assert_css 'revhistory > revision > revremark', output, 1
    end

    test 'should not include revision history in DocBook output if revdate is not set' do
      input = <<~'EOS'
      = Document Title
      Author Name
      :revnumber: 1.0

      content
      EOS

      output = convert_string input, backend: 'docbook'
      assert_css 'revhistory', output, 0
    end

    test 'with metadata to DocBook 5' do
      input = <<~'EOS'
      = AsciiDoc
      Stuart Rackham <founder@asciidoc.org>

      == Version 8.6.8

      more info...
      EOS
      output = convert_string input, backend: 'docbook5'
      assert_xpath '/article/info', output, 1
      assert_xpath '/article/info/title[text()="AsciiDoc"]', output, 1
      assert_xpath '/article/info/author/personname', output, 1
      assert_xpath '/article/info/author/personname/firstname[text()="Stuart"]', output, 1
      assert_xpath '/article/info/author/personname/surname[text()="Rackham"]', output, 1
      assert_xpath '/article/info/author/email[text()="founder@asciidoc.org"]', output, 1
      assert_css 'article:root:not([xml|id])', output, 1
      assert_css 'article:root[xml|lang="en"]', output, 1
    end

    test 'with document ID to Docbook 5' do
      input = <<~'EOS'
      [[document-id]]
      = Document Title

      more info...
      EOS
      output = convert_string input, backend: 'docbook', keep_namespaces: true
      assert_css 'article:root[xml|id="document-id"]', output, 1
    end

    test 'with author defined using attribute entry to DocBook' do
      input = <<~'EOS'
      = Document Title
      :author: Doc Writer
      :email: thedoctor@asciidoc.org

      content
      EOS

      output = convert_string input, backend: 'docbook'
      assert_xpath '/article/info/author', output, 1
      assert_xpath '/article/info/author/personname/firstname[text()="Doc"]', output, 1
      assert_xpath '/article/info/author/personname/surname[text()="Writer"]', output, 1
      assert_xpath '/article/info/author/email[text()="thedoctor@asciidoc.org"]', output, 1
      assert_xpath '/article/info/authorinitials[text()="DW"]', output, 1
    end

    test 'should substitute replacements in author names in HTML output' do
      input = <<~'EOS'
      = Document Title
      Stephen O'Grady <founder@redmonk.com>

      content
      EOS

      output = convert_string input
      assert_xpath %(//meta[@name="author"][@content="Stephen O#{decode_char 8217}Grady"]), output, 1
      assert_xpath %(//span[@id="author"][text()="Stephen O#{decode_char 8217}Grady"]), output, 1
    end

    test 'should substitute replacements in author names in DocBook output' do
      input = <<~'EOS'
      = Document Title
      Stephen O'Grady <founder@redmonk.com>

      content
      EOS

      output = convert_string input, backend: 'docbook'
      assert_xpath '//author', output, 1
      assert_xpath %(//author/personname/surname[text()="O#{decode_char 8217}Grady"]), output, 1
    end

    test 'should sanitize content of HTML meta authors tag' do
      input = <<~'EOS'
      = Document Title
      :author: pass:n[http://example.org/community/team.html[Ze *Product* team]]

      content
      EOS

      output = convert_string input
      assert_xpath '//meta[@name="author"][@content="Ze Product team"]', output, 1
    end

    test 'should not double escape ampersand in author attribute' do
      input = <<~'EOS'
      = Document Title
      R&D Lab

      {author}
      EOS

      output = convert_string input
      assert_includes output, 'R&amp;D Lab', 2
    end

    test 'should include multiple authors in HTML output' do
      input = <<~'EOS'
      = Document Title
      Doc Writer <thedoctor@asciidoc.org>; Junior Writer <junior@asciidoctor.org>

      content
      EOS

      output = convert_string input
      assert_xpath '//span[@id="author"]', output, 1
      assert_xpath '//span[@id="author"][text()="Doc Writer"]', output, 1
      assert_xpath '//span[@id="email"]', output, 1
      assert_xpath '//span[@id="email"]/a', output, 1
      assert_xpath '//span[@id="email"]/a[@href="mailto:thedoctor@asciidoc.org"][text()="thedoctor@asciidoc.org"]', output, 1
      assert_xpath '//span[@id="author2"]', output, 1
      assert_xpath '//span[@id="author2"][text()="Junior Writer"]', output, 1
      assert_xpath '//span[@id="email2"]', output, 1
      assert_xpath '//span[@id="email2"]/a', output, 1
      assert_xpath '//span[@id="email2"]/a[@href="mailto:junior@asciidoctor.org"][text()="junior@asciidoctor.org"]', output, 1
    end

    test 'should create authorgroup in DocBook when multiple authors' do
      input = <<~'EOS'
      = Document Title
      Doc Writer <thedoctor@asciidoc.org>; Junior Writer <junior@asciidoctor.org>

      content
      EOS

      output = convert_string input, backend: 'docbook'
      assert_xpath '/article/info/author', output, 0
      assert_xpath '/article/info/authorgroup', output, 1
      assert_xpath '/article/info/authorgroup/author', output, 2
      assert_xpath '(/article/info/authorgroup/author)[1]/personname/firstname[text()="Doc"]', output, 1
      assert_xpath '(/article/info/authorgroup/author)[2]/personname/firstname[text()="Junior"]', output, 1
    end

    test 'should process author defined by attribute when implicit doctitle is absent' do
      input = <<~'EOS'
      :author: Doc Writer

      {lastname}, {firstname} ({authorinitials})
      EOS

      doc = document_from_string input, standalone: false
      assert_equal 'Doc Writer', (doc.attr 'author')
      assert_nil (doc.attr 'author_1')
      assert_equal 'Writer', (doc.attr 'lastname')
      assert_equal 'Doc', (doc.attr 'firstname')
      assert_equal 'DW', (doc.attr 'authorinitials')
      assert_equal 1, (doc.attr 'authorcount')
      output = doc.convert
      assert_xpath '//p[text()="Writer, Doc (DW)"]', output, 1
    end

    test 'should process author and authorinitials defined by attribute when implicit doctitle is absent' do
      input = <<~'EOS'
      :authorinitials: DOC
      :author: Doc Writer

      {lastname}, {firstname} ({authorinitials})
      EOS

      doc = document_from_string input, standalone: false
      assert_equal 'Doc Writer', (doc.attr 'author')
      assert_equal 'DOC', (doc.attr 'authorinitials')
      assert_equal 1, (doc.attr 'authorcount')
      output = doc.convert
      assert_xpath '//p[text()="Writer, Doc (DOC)"]', output, 1
    end

    test 'should process authors defined by attribute when implicit doctitle is absent' do
      input = <<~'EOS'
      :authors: Doc Writer; Other Author

      {lastname}, {firstname} ({authorinitials})
      EOS

      doc = document_from_string input, standalone: false
      assert_equal 'Doc Writer', (doc.attr 'author')
      assert_equal 'Doc Writer, Other Author', (doc.attr 'authors')
      assert_equal 'Doc Writer', (doc.attr 'author_1')
      assert_equal 'Writer', (doc.attr 'lastname')
      assert_equal 'Writer', (doc.attr 'lastname_1')
      assert_equal 'Doc', (doc.attr 'firstname')
      assert_equal 'Doc', (doc.attr 'firstname_1')
      assert_equal 'DW', (doc.attr 'authorinitials')
      assert_equal 'DW', (doc.attr 'authorinitials_1')
      assert_equal 'Other Author', (doc.attr 'author_2')
      assert_equal 'OA', (doc.attr 'authorinitials_2')
      assert_equal 2, (doc.attr 'authorcount')
      output = doc.convert
      assert_xpath '//p[text()="Writer, Doc (DW)"]', output, 1
    end

    test 'should process authors and authorinitials defined by attribute when implicit doctitle is absent' do
      input = <<~'EOS'
      :authorinitials: DOC
      :authors: Doc Writer; Other Author

      {lastname}, {firstname} ({authorinitials})
      EOS

      doc = document_from_string input, standalone: false
      assert_equal 'Doc Writer', (doc.attr 'author')
      assert_equal 'Doc Writer', (doc.attr 'author_1')
      # FIXME this should be supported, but isn't yet
      #assert_equal 'DOC', (doc.attr 'authorinitials')
      assert_equal 'DW', (doc.attr 'authorinitials')
      assert_equal 'Other Author', (doc.attr 'author_2')
      assert_equal 2, (doc.attr 'authorcount')
      output = doc.convert
      #assert_xpath '//p[text()="Writer, Doc (DOC)"]', output, 1
      assert_xpath '//p[text()="Writer, Doc (DW)"]', output, 1
    end

    test 'should set authorcount to 0 if document has no header' do
      doc = document_from_string 'content'
      assert_equal 0, (doc.attr 'authorcount')
    end

    test 'should set authorcount to 0 if author not set by attribute and implicit doctitle is missing' do
      input = <<~'EOS'
      :idprefix:

      == Section Title

      content
      EOS
      doc = document_from_string input
      assert_equal 0, (doc.attr 'authorcount')
    end

    test 'should set authorcount to 0 if author not set by attribute and document starts with level-0 section with style' do
      input = <<~'EOS'
      :doctype: book

      [preface]
      = Preface

      content

      = Part

      == Chapter

      content
      EOS
      doc = document_from_string input
      assert_equal 0, (doc.attr 'authorcount')
    end

    test 'with author defined by indexed attribute name' do
      input = <<~'EOS'
      = Document Title
      :author_1: Doc Writer

      {author}
      EOS

      doc = document_from_string input
      assert_equal 'Doc Writer', (doc.attr 'author')
      assert_equal 'Doc Writer', (doc.attr 'author_1')
    end

    test 'with authors defined using attribute entry to DocBook' do
      input = <<~'EOS'
      = Document Title
      :authors: Doc Writer; Junior Writer
      :email_1: thedoctor@asciidoc.org
      :email_2: junior@asciidoc.org

      content
      EOS

      output = convert_string input, backend: 'docbook'
      assert_xpath '/article/info/author', output, 0
      assert_xpath '/article/info/authorgroup', output, 1
      assert_xpath '/article/info/authorgroup/author', output, 2
      assert_xpath '(/article/info/authorgroup/author)[1]/personname/firstname[text()="Doc"]', output, 1
      assert_xpath '(/article/info/authorgroup/author)[1]/email[text()="thedoctor@asciidoc.org"]', output, 1
      assert_xpath '(/article/info/authorgroup/author)[2]/personname/firstname[text()="Junior"]', output, 1
      assert_xpath '(/article/info/authorgroup/author)[2]/email[text()="junior@asciidoc.org"]', output, 1
    end

    test 'should populate copyright element in DocBook output if copyright attribute is defined' do
      input = <<~'EOS'
      = Jet Bike
      :copyright: ACME, Inc.

      Essential for catching road runners.
      EOS
      output = convert_string input, backend: 'docbook5'
      assert_xpath '/article/info/copyright', output, 1
      assert_xpath '/article/info/copyright/holder[text()="ACME, Inc."]', output, 1
    end

    test 'should populate copyright element in DocBook output if copyright attribute is defined with year' do
      input = <<~'EOS'
      = Jet Bike
      :copyright: ACME, Inc. 1956

      Essential for catching road runners.
      EOS
      output = convert_string input, backend: 'docbook5'
      assert_xpath '/article/info/copyright', output, 1
      assert_xpath '/article/info/copyright/holder[text()="ACME, Inc."]', output, 1
      assert_xpath '/article/info/copyright/year', output, 1
      assert_xpath '/article/info/copyright/year[text()="1956"]', output, 1
    end

    test 'should populate copyright element in DocBook output if copyright attribute is defined with year range' do
      input = <<~'EOS'
      = Jet Bike
      :copyright: ACME, Inc. 1956-2018

      Essential for catching road runners.
      EOS
      output = convert_string input, backend: 'docbook5'
      assert_xpath '/article/info/copyright', output, 1
      assert_xpath '/article/info/copyright/holder[text()="ACME, Inc."]', output, 1
      assert_xpath '/article/info/copyright/year', output, 1
      assert_xpath '/article/info/copyright/year[text()="1956-2018"]', output, 1
    end

    test 'with header footer' do
      doc = document_from_string "= Title\n\nparagraph"
      refute doc.attr?('embedded')
      result = doc.convert
      assert_xpath '/html', result, 1
      assert_xpath '//*[@id="header"]', result, 1
      assert_xpath '//*[@id="header"]/h1', result, 1
      assert_xpath '//*[@id="footer"]', result, 1
      assert_xpath '//*[@id="content"]', result, 1
    end

    test 'does not output footer if nofooter is set' do
      input = <<~'EOS'
      :nofooter:

      content
      EOS

      result = convert_string input
      assert_xpath '//*[@id="footer"]', result, 0
    end

    test 'can disable last updated in footer' do
      doc = document_from_string "= Document Title\n\npreamble", attributes: { 'last-update-label!' => '' }
      result = doc.convert
      assert_xpath '//*[@id="footer-text"]', result, 1
      assert_xpath '//*[@id="footer-text"][normalize-space(text())=""]', result, 1
    end

    test 'should create embedded document if standalone option passed to constructor is false' do
      doc = (Asciidoctor::Document.new "= Document Title\n\ncontent", standalone: false).parse
      assert doc.attr?('embedded')
      result = doc.convert
      assert_xpath '/html', result, 0
      assert_xpath '/h1', result, 0
      assert_xpath '/*[@id="header"]', result, 0
      assert_xpath '/*[@id="footer"]', result, 0
      assert_xpath '/*[@class="paragraph"]', result, 1
    end

    test 'should create embedded document if standalone option passed to convert method is false' do
      doc = (Asciidoctor::Document.new "= Document Title\n\ncontent", standalone: true).parse
      refute doc.attr?('embedded')
      result = doc.convert standalone: false
      assert_xpath '/html', result, 0
      assert_xpath '/h1', result, 1
      assert_xpath '/*[@id="header"]', result, 0
      assert_xpath '/*[@id="footer"]', result, 0
      assert_xpath '/*[@class="paragraph"]', result, 1
    end

    test 'should create embedded document if deprecated header_footer option is false' do
      doc = (Asciidoctor::Document.new "= Document Title\n\ncontent", header_footer: false).parse
      assert doc.attr?('embedded')
      result = doc.convert
      assert_xpath '/html', result, 0
      assert_xpath '/h1', result, 0
      assert_xpath '/*[@id="header"]', result, 0
      assert_xpath '/*[@id="footer"]', result, 0
      assert_xpath '/*[@class="paragraph"]', result, 1
    end

    test 'should create embedded document if header_footer option passed to convert method is false' do
      doc = (Asciidoctor::Document.new "= Document Title\n\ncontent", header_footer: true).parse
      refute doc.attr?('embedded')
      result = doc.convert header_footer: false
      assert_xpath '/html', result, 0
      assert_xpath '/h1', result, 1
      assert_xpath '/*[@id="header"]', result, 0
      assert_xpath '/*[@id="footer"]', result, 0
      assert_xpath '/*[@class="paragraph"]', result, 1
    end

    test 'enable title in embedded document by unassigning notitle attribute' do
      input = <<~'EOS'
      = Document Title

      content
      EOS

      result = convert_string_to_embedded input, attributes: { 'notitle!' => '' }
      assert_xpath '/html', result, 0
      assert_xpath '/h1', result, 1
      assert_xpath '/*[@id="header"]', result, 0
      assert_xpath '/*[@id="footer"]', result, 0
      assert_xpath '/*[@class="paragraph"]', result, 1
      assert_xpath '(/*)[1]/self::h1', result, 1
      assert_xpath '(/*)[2]/self::*[@class="paragraph"]', result, 1
    end

    test 'should be able to enable doctitle for embedded document' do
      [
        [{ 'notitle' => nil }, nil],
        [{ 'notitle' => nil }, [':!showtitle:']],
        [{ 'notitle' => false }, nil],
        [{ 'notitle' => '@' }, [':!notitle:']],
        [{ 'notitle' => '@' }, [':showtitle:']],
        [{ 'showtitle' => '' }, [':notitle:']],
        [{ 'showtitle' => '@' }, nil],
        [{ 'showtitle' => false }, [':!notitle:']],
        [{}, [':!notitle:']],
        [{}, [':notitle:', ':showtitle:']],
        [{}, [':showtitle:']],
        [{}, [':!showtitle:', ':!notitle:']],
      ].each do |api_attrs, attr_entries|
        input = <<~EOS
        = Document Title#{attr_entries ? ?\n + (attr_entries.join ?\n) : ''}

        ifdef::showtitle[showtitle: set]
        ifndef::showtitle[showtitle: not set]
        ifdef::notitle[notitle: set]
        ifndef::notitle[notitle: not set]
        EOS

        result = convert_string_to_embedded input, attributes: api_attrs
        assert_xpath '/html', result, 0
        assert_xpath '/h1', result, 1
        assert_xpath '(/*)[1]/self::h1', result, 1
        assert_xpath '(/*)[2]/self::*[@class="paragraph"]', result, 1
        # NOTE showtitle may not match notitle if never used
        assert_includes result, 'notitle: not set'
      end
    end

    test 'should be able to explicitly disable doctitle for embedded document' do
      [
        [{ 'notitle' => '' }, nil],
        [{ 'notitle' => '@' }, nil],
        [{ 'notitle' => '@' }, [':!showtitle:']],
        [{ 'showtitle' => nil }, nil],
        [{ 'showtitle' => false }, nil],
        [{ 'showtitle' => '@' }, [':notitle:']],
        [{}, [':notitle:']],
        [{}, [':!showtitle:']],
        [{}, [':!showtitle:', ':notitle:']],
      ].each do |api_attrs, attr_entries|
        input = <<~EOS
        = Document Title#{attr_entries ? ?\n + (attr_entries.join ?\n) : ''}

        ifdef::showtitle[showtitle: set]
        ifndef::showtitle[showtitle: not set]
        ifdef::notitle[notitle: set]
        ifndef::notitle[notitle: not set]
        EOS

        result = convert_string_to_embedded input, attributes: api_attrs
        assert_xpath '/html', result, 0
        assert_xpath '/h1', result, 0
        assert_xpath '/*[@class="paragraph"]', result, 1
        # NOTE showtitle may not match notitle if never used
        assert_includes result, 'notitle: set'
      end
    end

    test 'parse header only' do
      input = <<~'EOS'
      = Document Title
      Author Name
      :foo: bar

      preamble
      EOS

      doc = document_from_string input, parse_header_only: true
      assert_equal 'Document Title', doc.doctitle
      assert_equal 'Author Name', doc.author
      assert_equal 'bar', doc.attributes['foo']
      # there would be at least 1 block had it parsed beyond the header
      assert_equal 0, doc.blocks.size
    end

    test 'should parse header only when docytpe is manpage' do
      input = <<~'EOS'
      = cmd(1)
      Author Name
      :doctype: manpage

      == Name

      cmd - does stuff
      EOS

      doc = document_from_string input, parse_header_only: true
      assert_equal 'cmd(1)', doc.doctitle
      assert_equal 'Author Name', doc.author
      assert_equal 'cmd', doc.attributes['mantitle']
      assert_equal '1', doc.attributes['manvolnum']
      assert_nil doc.attributes['manname']
      assert_nil doc.attributes['manpurpose']
      assert_equal 0, doc.blocks.size
    end

    test 'should not warn when parsing header only when docytpe is manpage and body is empty' do
      input = <<~'EOS'
      = cmd(1)
      Author Name
      :doctype: manpage
      EOS

      using_memory_logger do |logger|
        doc = document_from_string input, parse_header_only: true
        assert_empty logger.messages
        assert_equal 'cmd(1)', doc.doctitle
        assert_equal 'Author Name', doc.author
        assert_equal 'cmd', doc.attributes['mantitle']
        assert_equal '1', doc.attributes['manvolnum']
        assert_nil doc.attributes['manname']
        assert_nil doc.attributes['manpurpose']
        assert_equal 0, doc.blocks.size
      end
    end

    test 'outputs footnotes in footer' do
      input = <<~'EOS'
      A footnote footnote:[An example footnote.];
      a second footnote with a reference ID footnote:note2[Second footnote.];
      and finally a reference to the second footnote footnote:note2[].
      EOS

      output = convert_string input
      assert_css '#footnotes', output, 1
      assert_css '#footnotes .footnote', output, 2
      assert_css '#footnotes .footnote#_footnotedef_1', output, 1
      assert_xpath '//div[@id="footnotes"]/div[@id="_footnotedef_1"]/a[@href="#_footnoteref_1"][text()="1"]', output, 1
      text = xmlnodes_at_xpath '//div[@id="footnotes"]/div[@id="_footnotedef_1"]/text()', output
      assert_equal '. An example footnote.', text.text.strip
      assert_css '#footnotes .footnote#_footnotedef_2', output, 1
      assert_xpath '//div[@id="footnotes"]/div[@id="_footnotedef_2"]/a[@href="#_footnoteref_2"][text()="2"]', output, 1
      text = xmlnodes_at_xpath '//div[@id="footnotes"]/div[@id="_footnotedef_2"]/text()', output
      assert_equal '. Second footnote.', text.text.strip
    end

    test 'outputs footnotes block in embedded document by default' do
      input = 'Text that has supporting information{empty}footnote:[An example footnote.].'

      output = convert_string_to_embedded input
      assert_css '#footnotes', output, 1
      assert_css '#footnotes .footnote', output, 1
      assert_css '#footnotes .footnote#_footnotedef_1', output, 1
      assert_xpath '/div[@id="footnotes"]/div[@id="_footnotedef_1"]/a[@href="#_footnoteref_1"][text()="1"]', output, 1
      text = xmlnodes_at_xpath '/div[@id="footnotes"]/div[@id="_footnotedef_1"]/text()', output
      assert_equal '. An example footnote.', text.text.strip
    end

    test 'does not output footnotes block in embedded document if nofootnotes attribute is set' do
      input = 'Text that has supporting information{empty}footnote:[An example footnote.].'

      output = convert_string_to_embedded input, attributes: { 'nofootnotes' => '' }
      assert_css '#footnotes', output, 0
    end
  end

  context 'Catalog' do
    test 'should alias document catalog as document references' do
      input = <<~'EOS'
      = Document Title

      == Section A

      Content

      == Section B

      Content.footnote:[commentary]
      EOS

      doc = document_from_string input
      refute_nil doc.catalog
      #assert_equal [:footnotes, :ids, :images, :includes, :indexterms, :links, :refs, :callouts].sort, doc.catalog.keys.sort
      assert_equal [:footnotes, :ids, :images, :includes, :links, :refs, :callouts].sort, doc.catalog.keys.sort
      assert_same doc.catalog, doc.references
      assert_same doc.catalog[:footnotes], doc.references[:footnotes]
      assert_same doc.catalog[:refs], doc.references[:refs]
      assert_equal '_section_a', (doc.resolve_id 'Section A')
    end

    test 'should return empty :ids table' do
      doc = empty_document
      refute_nil doc.catalog[:ids]
      assert_empty doc.catalog[:ids]
      assert_nil doc.catalog[:ids]['foobar']
    end

    test 'should register entry in :refs table with reftext when request is made to register entry in :ids table' do
      doc = empty_document
      doc.register :ids, ['foobar', 'Foo Bar']
      assert_empty doc.catalog[:ids]
      refute_empty doc.catalog[:refs]
      ref = doc.catalog[:refs]['foobar']
      assert_equal 'Foo Bar', ref.reftext
      assert_equal 'foobar', (doc.resolve_id 'Foo Bar')
    end

    test 'should record imagesdir when image is registered with catalog' do
      doc = empty_document attributes: { 'imagesdir' => 'img' }, catalog_assets: true
      doc.register :images, 'diagram.svg'
      assert_equal doc.catalog[:images].size, 1
      assert_equal 'diagram.svg', doc.catalog[:images][0].target
      assert_equal 'img', doc.catalog[:images][0].imagesdir
    end

    test 'should catalog assets inside nested document' do
      input = <<~'EOS'
      image::outer.png[]

      |===
      a|
      image::inner.png[]
      |===
      EOS

      doc = document_from_string input, catalog_assets: true
      images = doc.catalog[:images]
      refute_empty images
      assert_equal 2, images.size
      assert_equal images.map(&:target), ['outer.png', 'inner.png']
    end
  end

  context 'Backends and Doctypes' do
    test 'html5 backend doctype article' do
      result = convert_string("= Title\n\nparagraph", attributes: { 'backend' => 'html5' })
      assert_xpath '/html', result, 1
      assert_xpath '/html/body[@class="article"]', result, 1
      assert_xpath '/html//*[@id="header"]/h1[text()="Title"]', result, 1
      assert_xpath '/html//*[@id="content"]//p[text()="paragraph"]', result, 1
    end

    test 'html5 backend doctype book' do
      result = convert_string("= Title\n\nparagraph", attributes: { 'backend' => 'html5', 'doctype' => 'book' })
      assert_xpath '/html', result, 1
      assert_xpath '/html/body[@class="book"]', result, 1
      assert_xpath '/html//*[@id="header"]/h1[text()="Title"]', result, 1
      assert_xpath '/html//*[@id="content"]//p[text()="paragraph"]', result, 1
    end

    test 'xhtml5 backend should map to html5 and set htmlsyntax to xml' do
      input = 'content'
      doc = document_from_string input, backend: :xhtml5
      assert_equal 'html5', doc.backend
      assert_equal 'xml', (doc.attr 'htmlsyntax')
    end

    test 'xhtml backend should map to html5 and set htmlsyntax to xml' do
      input = 'content'
      doc = document_from_string input, backend: :xhtml
      assert_equal 'html5', doc.backend
      assert_equal 'xml', (doc.attr 'htmlsyntax')
    end

    test 'honor htmlsyntax attribute passed via API if backend is html' do
      input = '---'
      doc = document_from_string input, safe: :safe, attributes: { 'htmlsyntax' => 'xml' }
      assert_equal 'html5', doc.backend
      assert_equal 'xml', (doc.attr 'htmlsyntax')
      result = doc.convert standalone: false
      assert_equal '<hr/>', result
    end

    test 'honor htmlsyntax attribute in document header if followed by backend attribute' do
      input = <<~'EOS'
      :htmlsyntax: xml
      :backend: html5

      ---
      EOS
      doc = document_from_string input, safe: :safe
      assert_equal 'html5', doc.backend
      assert_equal 'xml', (doc.attr 'htmlsyntax')
      result = doc.convert standalone: false
      assert_equal '<hr/>', result
    end

    test 'does not honor htmlsyntax attribute in document header if not followed by backend attribute' do
      input = <<~'EOS'
      :backend: html5
      :htmlsyntax: xml

      ---
      EOS
      result = convert_string_to_embedded input, safe: :safe
      assert_equal '<hr>', result
    end

    test 'should close all short tags when htmlsyntax is xml' do
      input = <<~'EOS'
      = Document Title
      Author Name
      v1.0, 2001-01-01
      :icons:
      :favicon:

      image:tiger.png[]

      image::tiger.png[]

      * [x] one
      * [ ] two

      |===
      |A |B
      |===

      [horizontal, labelwidth="25%", itemwidth="75%"]
      term:: description

      NOTE: note

      [quote,Author,Source]
      ____
      Quote me.
      ____

      [verse,Author,Source]
      ____
      A tall tale.
      ____

      [options="autoplay,loop"]
      video::screencast.ogg[]

      video::12345[vimeo]

      [options="autoplay,loop"]
      audio::podcast.ogg[]

      one +
      two

      '''
      EOS
      result = convert_string input, safe: :safe, backend: :xhtml
      begin
        Nokogiri::XML::Document.parse(result) do |config|
          config.options = Nokogiri::XML::ParseOptions::STRICT | Nokogiri::XML::ParseOptions::NONET
        end
      rescue => e
        flunk "xhtml5 backend did not generate well-formed XML: #{e.message}\n#{result}"
      end
    end

    test 'xhtml backend should emit elements in proper namespace' do
      input = 'content'
      result = convert_string input, safe: :safe, backend: :xhtml, keep_namespaces: true
      assert_xpath '//*[not(namespace-uri()="http://www.w3.org/1999/xhtml")]', result, 0
    end

    test 'should parse out subtitle when backend is DocBook' do
      input = <<~'EOS'
      = Document Title: Subtitle
      :doctype: book

      text
      EOS
      result = convert_string input, backend: 'docbook5'
      assert_xpath '/book', result, 1
      assert_xpath '/book/info/title[text()="Document Title"]', result, 1
      assert_xpath '/book/info/subtitle[text()="Subtitle"]', result, 1
    end

    test 'should be able to set doctype to article when converting to DocBook' do
      input = <<~'EOS'
      = Title
      Author Name

      preamble

      == First Section

      section body
      EOS
      result = convert_string(input, keep_namespaces: true, attributes: { 'backend' => 'docbook5' })
      assert_xpath '/xmlns:article', result, 1
      doc = xmlnodes_at_xpath('/xmlns:article', result, 1)
      assert_equal 'http://docbook.org/ns/docbook', doc.namespaces['xmlns']
      assert_equal 'http://www.w3.org/1999/xlink', doc.namespaces['xmlns:xl']
      assert_xpath '/xmlns:article[@version="5.0"]', result, 1
      assert_xpath '/xmlns:article/xmlns:info/xmlns:title[text()="Title"]', result, 1
      assert_xpath '/xmlns:article/xmlns:simpara[text()="preamble"]', result, 1
      assert_xpath '/xmlns:article/xmlns:section', result, 1
      assert_css 'article:root > section[xml|id="_first_section"]', result, 1
    end

    test 'should set doctype to article by default for document with no title when converting to DocBook' do
      result = convert_string('text', attributes: { 'backend' => 'docbook' })
      assert_xpath '/article', result, 1
      assert_xpath '/article/info/title', result, 1
      assert_xpath '/article/info/title[text()="Untitled"]', result, 1
      assert_xpath '/article/info/date', result, 1
    end

    test 'should be able to convert DocBook manpage output when backend is DocBook and doctype is manpage' do
      input = <<~'EOS'
      = asciidoctor(1)
      :mansource: Asciidoctor
      :manmanual: Asciidoctor Manual

      == NAME

      asciidoctor - Process text

      == SYNOPSIS

      some text

      == First Section

      section body
      EOS
      result = convert_string input, keep_namespaces: true, attributes: { 'backend' => 'docbook5', 'doctype' => 'manpage' }
      assert_xpath '/xmlns:article', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry', result, 1
      doc = xmlnodes_at_xpath '/xmlns:article', result, 1
      assert_equal 'http://docbook.org/ns/docbook', doc.namespaces['xmlns']
      assert_equal 'http://www.w3.org/1999/xlink', doc.namespaces['xmlns:xl']
      assert_equal '5.0', (doc.attr 'version')
      assert_xpath '/xmlns:article/xmlns:info/xmlns:title[text()="asciidoctor(1)"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refmeta/xmlns:refentrytitle[text()="asciidoctor"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refmeta/xmlns:manvolnum[text()="1"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refmeta/xmlns:refmiscinfo[@class="source"][text()="Asciidoctor"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refmeta/xmlns:refmiscinfo[@class="manual"][text()="Asciidoctor Manual"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refnamediv/xmlns:refname[text()="asciidoctor"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refnamediv/xmlns:refpurpose[text()="Process text"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refsynopsisdiv', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refsynopsisdiv/xmlns:simpara[text()="some text"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refsection', result, 1
      assert_css 'article:root > refentry > refsection[xml|id="_first_section"]', result, 1
    end

    test 'should output non-breaking space for source and manual in docbook manpage output if absent from source' do
      input = <<~'EOS'
      = asciidoctor(1)

      == NAME

      asciidoctor - Process text

      == SYNOPSIS

      some text
      EOS
      result = convert_string input, keep_namespaces: true, attributes: { 'backend' => 'docbook5', 'doctype' => 'manpage' }
      assert_xpath %(/xmlns:article/xmlns:refentry/xmlns:refmeta/xmlns:refmiscinfo[@class="source"][text()="#{decode_char 160}"]), result, 1
      assert_xpath %(/xmlns:article/xmlns:refentry/xmlns:refmeta/xmlns:refmiscinfo[@class="manual"][text()="#{decode_char 160}"]), result, 1
    end

    test 'should apply replacements substitution to value of mantitle attribute used in DocBook output' do
      input = <<~'EOS'
      = foo\--bar(1)
      Author Name
      :doctype: manpage
      :man manual: Foo Bar Manual
      :man source: Foo Bar 1.0

      == NAME

      foo--bar - puts the foo in your bar
      EOS

      doc = Asciidoctor.load input, backend: :docbook, standalone: true
      assert_equal 'foo\\--bar', (doc.attr 'mantitle')
      result = doc.convert
      assert_xpath '/xmlns:article/xmlns:info/xmlns:title[text()="foo--bar(1)"]', result, 1
      assert_xpath '/xmlns:article/xmlns:refentry/xmlns:refmeta/xmlns:refentrytitle[text()="foo--bar"]', result, 1
    end

    test 'should be able to set doctype to book when converting to DocBook' do
      input = <<~'EOS'
      = Title
      Author Name

      preamble

      == First Chapter

      chapter body
      EOS
      result = convert_string(input, keep_namespaces: true, attributes: { 'backend' => 'docbook5', 'doctype' => 'book' })
      assert_xpath '/xmlns:book', result, 1
      doc = xmlnodes_at_xpath('/xmlns:book', result, 1)
      assert_equal 'http://docbook.org/ns/docbook', doc.namespaces['xmlns']
      assert_equal 'http://www.w3.org/1999/xlink', doc.namespaces['xmlns:xl']
      assert_xpath '/xmlns:book[@version="5.0"]', result, 1
      assert_xpath '/xmlns:book/xmlns:info/xmlns:title[text()="Title"]', result, 1
      assert_xpath '/xmlns:book/xmlns:preface/xmlns:simpara[text()="preamble"]', result, 1
      assert_xpath '/xmlns:book/xmlns:chapter', result, 1
      assert_css 'book:root > chapter[xml|id="_first_chapter"]', result, 1
    end

    test 'should be able to set doctype to book for document with no title when converting to DocBook' do
      result = convert_string('text', attributes: { 'backend' => 'docbook5', 'doctype' => 'book' })
      assert_xpath '/book', result, 1
      assert_xpath '/book/info/date', result, 1
      # NOTE simpara cannot be a direct child of book, so content must be treated as a preface
      assert_xpath '/book/preface/simpara[text()="text"]', result, 1
    end

    test 'adds refname to DocBook output for each name defined in NAME section of manpage' do
      input = <<~'EOS'
      = eve(1)
      Andrew Stanton
      v1.0.0
      :doctype: manpage
      :manmanual: EVE
      :mansource: EVE

      == NAME

      eve, islifeform - analyzes an image to determine if it's a picture of a life form

      == SYNOPSIS

      *eve* ['OPTION']... 'FILE'...
      EOS

      result = convert_string input, backend: 'docbook5'
      assert_xpath '/article/refentry/refnamediv/refname', result, 2
      assert_xpath '(/article/refentry/refnamediv/refname)[1][text()="eve"]', result, 1
      assert_xpath '(/article/refentry/refnamediv/refname)[2][text()="islifeform"]', result, 1
    end

    test 'adds a front and back cover image to DocBook 5 when doctype is book' do
      input = <<~'EOS'
      = Title
      :doctype: book
      :imagesdir: images
      :front-cover-image: image:front-cover.jpg[scaledwidth=210mm]
      :back-cover-image: image:back-cover.jpg[]

      preamble

      == First Chapter

      chapter body
      EOS

      result = convert_string input, attributes: { 'backend' => 'docbook5' }
      assert_xpath '//info/cover[@role="front"]', result, 1
      assert_xpath '//info/cover[@role="front"]//imagedata[@fileref="images/front-cover.jpg"]', result, 1
      assert_xpath '//info/cover[@role="back"]', result, 1
      assert_xpath '//info/cover[@role="back"]//imagedata[@fileref="images/back-cover.jpg"]', result, 1
    end

    test 'should be able to set backend using :backend option key' do
      doc = empty_document backend: 'html5'
      assert_equal 'html5', doc.attributes['backend']
    end

    test ':backend option should override backend attribute' do
      doc = empty_document backend: 'html5', attributes: { 'backend' => 'docbook5' }
      assert_equal 'html5', doc.attributes['backend']
    end

    test 'should be able to set doctype using :doctype option key' do
      doc = empty_document doctype: 'book'
      assert_equal 'book', doc.attributes['doctype']
    end

    test ':doctype option should override doctype attribute' do
      doc = empty_document doctype: 'book', attributes: { 'doctype' => 'article' }
      assert_equal 'book', doc.attributes['doctype']
    end

    test 'do not override explicit author initials' do
      input = <<~'EOS'
      = AsciiDoc
      Stuart Rackham <founder@asciidoc.org>
      :Author Initials: SJR

      more info...
      EOS
      output = convert_string input, attributes: { 'backend' => 'docbook5' }
      assert_xpath '/article/info/authorinitials[text()="SJR"]', output, 1
    end

    test 'attribute entry can appear immediately after document title' do
      input = <<~'EOS'
      Reference Guide
      ===============
      :toc:

      preamble
      EOS
      doc = document_from_string input
      assert doc.attr?('toc')
      assert_equal '', doc.attr('toc')
    end

    test 'attribute entry can appear before author line under document title' do
      input = <<~'EOS'
      Reference Guide
      ===============
      :toc:
      Dan Allen

      preamble
      EOS
      doc = document_from_string input
      assert doc.attr?('toc')
      assert_equal '', doc.attr('toc')
      assert_equal 'Dan Allen', doc.attr('author')
    end

    test 'should parse mantitle and manvolnum from document title for manpage doctype' do
      input = <<~'EOS'
      = asciidoctor ( 1 )
      :doctype: manpage

      == NAME

      asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats
      EOS

      doc = document_from_string input
      assert_equal 'asciidoctor', doc.attr('mantitle')
      assert_equal '1', doc.attr('manvolnum')
    end

    test 'should perform attribute substitution on mantitle in manpage doctype' do
      input = <<~'EOS'
      = {app}(1)
      :doctype: manpage
      :app: Asciidoctor

      == NAME

      asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats
      EOS

      doc = document_from_string input
      assert_equal 'asciidoctor', doc.attr('mantitle')
    end

    test 'should consume name section as manname and manpurpose for manpage doctype' do
      input = <<~'EOS'
      = asciidoctor(1)
      :doctype: manpage

      == NAME

      asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats
      EOS

      doc = document_from_string input
      assert_equal 'asciidoctor', doc.attr('manname')
      assert_equal 'converts AsciiDoc source files to HTML, DocBook and other formats', doc.attr('manpurpose')
      assert_equal '_name', doc.attr('manname-id')
      assert_equal 0, doc.blocks.size
    end

    test 'should set docname and outfilesuffix from manname and manvolnum for manpage backend and doctype' do
      input = <<~'EOS'
      = asciidoctor(1)
      :doctype: manpage

      == NAME

      asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats
      EOS

      doc = document_from_string input, backend: 'manpage'
      assert_equal 'asciidoctor', doc.attributes['docname']
      assert_equal '.1', doc.attributes['outfilesuffix']
    end

    test 'should mark synopsis as special section in manpage doctype' do
      input = <<~'EOS'
      = asciidoctor(1)
      :doctype: manpage

      == NAME

      asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats

      == SYNOPSIS

      *asciidoctor* ['OPTION']... 'FILE'..
      EOS

      doc = document_from_string input
      synopsis_section = doc.blocks.first
      refute_nil synopsis_section
      assert_equal :section, synopsis_section.context
      assert synopsis_section.special
      assert_equal 'synopsis', synopsis_section.sectname
    end

    test 'should output special header block in HTML for manpage doctype' do
      input = <<~'EOS'
      = asciidoctor(1)
      :doctype: manpage

      == NAME

      asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats

      == SYNOPSIS

      *asciidoctor* ['OPTION']... 'FILE'..
      EOS

      output = convert_string input
      assert_css 'body.manpage', output, 1
      assert_xpath '//body/*[@id="header"]/h1[text()="asciidoctor(1) Manual Page"]', output, 1
      assert_xpath '//body/*[@id="header"]/h1/following-sibling::h2[text()="NAME"]', output, 1
      assert_xpath '//h2[@id="_name"][text()="NAME"]', output, 1
      assert_xpath '//h2[text()="NAME"]/following-sibling::*[@class="sectionbody"]', output, 1
      assert_xpath '//h2[text()="NAME"]/following-sibling::*[@class="sectionbody"]/p[text()="asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats"]', output, 1
      assert_xpath '//*[@id="content"]/*[@class="sect1"]/h2[text()="SYNOPSIS"]', output, 1
    end

    test 'should output special header block in embeddable HTML for manpage doctype' do
      input = <<~'EOS'
      = asciidoctor(1)
      :doctype: manpage
      :showtitle:

      == NAME

      asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats

      == SYNOPSIS

      *asciidoctor* ['OPTION']... 'FILE'..
      EOS

      output = convert_string_to_embedded input
      assert_xpath '/h1[text()="asciidoctor(1) Manual Page"]', output, 1
      assert_xpath '/h1/following-sibling::h2[text()="NAME"]', output, 1
      assert_xpath '/h2[@id="_name"][text()="NAME"]', output, 1
      assert_xpath '/h2[text()="NAME"]/following-sibling::*[@class="sectionbody"]', output, 1
      assert_xpath '/h2[text()="NAME"]/following-sibling::*[@class="sectionbody"]/p[text()="asciidoctor - converts AsciiDoc source files to HTML, DocBook and other formats"]', output, 1
    end

    test 'should output all mannames in name section in man page output' do
      input = <<~'EOS'
      = eve(1)
      :doctype: manpage

      == NAME

      eve, probe - analyzes an image to determine if it is a picture of a life form

      == SYNOPSIS

      *eve* [OPTION]... FILE...
      EOS

      output = convert_string input
      assert_css 'body.manpage', output, 1
      assert_xpath '//h2[text()="NAME"]/following-sibling::*[@class="sectionbody"]/p[text()="eve, probe - analyzes an image to determine if it is a picture of a life form"]', output, 1
    end
  end

  context 'Secure Asset Path' do
    test 'allows us to specify a path relative to the current dir' do
      doc = empty_document
      legit_path = Dir.pwd + '/foo'
      assert_equal legit_path, doc.normalize_asset_path(legit_path)
    end

    test 'keeps naughty absolute paths from getting outside' do
      naughty_path = "#{disk_root}etc/passwd"
      using_memory_logger do |logger|
        doc = empty_document
        secure_path = doc.normalize_asset_path naughty_path
        refute_equal naughty_path, secure_path
        assert_equal ::File.join(doc.base_dir, 'etc/passwd'), secure_path
        assert_message logger, :WARN, 'path is outside of jail; recovering automatically'
      end
    end

    test 'keeps naughty relative paths from getting outside' do
      naughty_path = 'safe/ok/../../../../../etc/passwd'
      using_memory_logger do
        doc = empty_document
        secure_path = doc.normalize_asset_path naughty_path
        refute_equal naughty_path, secure_path
        assert_match(/^#{doc.base_dir}/, secure_path)
      end
    end

    test 'should raise an exception when a converter cannot be resolved before conversion' do
      input = <<~'EOS'
      = Document Title

      text
      EOS
      exception = assert_raises NotImplementedError do
        Asciidoctor.convert input, backend: 'unknownBackend'
      end
      assert_includes exception.message, 'missing converter for backend \'unknownBackend\''
    end

    test 'should raise an exception when a converter cannot be resolved while parsing' do
      input = <<~'EOS'
      = Document Title

      == A _Big_ Section

      text
      EOS
      exception = assert_raises NotImplementedError do
        Asciidoctor.convert input, backend: 'unknownBackend'
      end
      assert_includes exception.message, 'missing converter for backend \'unknownBackend\''
    end
  end

  context 'Timing report' do
    test 'print_report does not lose precision' do
      timings = Asciidoctor::Timings.new
      log = timings.instance_variable_get(:@log)
      log[:read] = 0.00001
      log[:parse] = 0.00003
      log[:convert] = 0.00005
      timings.print_report(sink = StringIO.new)
      expect = ['0.00004', '0.00005', '0.00009']
      result = sink.string.split("\n").map {|l| l.sub(/.*:\s*([\d.]+)/, '\1') }
      assert_equal expect, result
    end

    test 'print_report should print 0 for untimed phases' do
      Asciidoctor::Timings.new.print_report(sink = StringIO.new)
      expect = [].fill('0.00000', 0..2)
      result = sink.string.split("\n").map {|l| l.sub(/.*:\s*([\d.]+)/, '\1') }
      assert_equal expect, result
    end
  end

  context 'Date time attributes' do
    test 'should compute docyear and docdatetime from docdate and doctime' do
      doc = Asciidoctor::Document.new [], attributes: { 'docdate' => '2015-01-01', 'doctime' => '10:00:00-0700' }
      assert_equal '2015-01-01', (doc.attr 'docdate')
      assert_equal '2015', (doc.attr 'docyear')
      assert_equal '10:00:00-0700', (doc.attr 'doctime')
      assert_equal '2015-01-01 10:00:00-0700', (doc.attr 'docdatetime')
    end

    test 'should allow docdate and doctime to be overridden' do
      doc = Asciidoctor::Document.new [], input_mtime: ::Time.now, attributes: { 'docdate' => '2015-01-01', 'doctime' => '10:00:00-0700' }
      assert_equal '2015-01-01', (doc.attr 'docdate')
      assert_equal '2015', (doc.attr 'docyear')
      assert_equal '10:00:00-0700', (doc.attr 'doctime')
      assert_equal '2015-01-01 10:00:00-0700', (doc.attr 'docdatetime')
    end

    test 'should compute docdatetime from doctime' do
      doc = Asciidoctor::Document.new [], attributes: { 'doctime' => '10:00:00-0700' }
      assert_equal '10:00:00-0700', (doc.attr 'doctime')
      assert (doc.attr 'docdatetime').end_with?(' 10:00:00-0700')
    end

    test 'should compute docyear from docdate' do
      doc = Asciidoctor::Document.new [], attributes: { 'docdate' => '2015-01-01' }
      assert_equal '2015', (doc.attr 'docyear')
      assert (doc.attr 'docdatetime').start_with?('2015-01-01 ')
    end

    test 'should allow doctime to be overridden' do
      old_source_date_epoch = ENV.delete 'SOURCE_DATE_EPOCH'
      begin
        doc = Asciidoctor::Document.new [], input_mtime: ::Time.new(2019, 1, 2, 3, 4, 5, "+06:00"), attributes: { 'doctime' => '10:00:00-0700' }
        assert_equal '2019-01-02', (doc.attr 'docdate')
        assert_equal '2019', (doc.attr 'docyear')
        assert_equal '10:00:00-0700', (doc.attr 'doctime')
        assert_equal '2019-01-02 10:00:00-0700', (doc.attr 'docdatetime')
      ensure
        ENV['SOURCE_DATE_EPOCH'] = old_source_date_epoch if old_source_date_epoch
      end
    end

    test 'should allow docdate to be overridden' do
      old_source_date_epoch = ENV.delete 'SOURCE_DATE_EPOCH'
      begin
        doc = Asciidoctor::Document.new [], input_mtime: ::Time.new(2019, 1, 2, 3, 4, 5, "+06:00"), attributes: { 'docdate' => '2015-01-01' }
        assert_equal '2015-01-01', (doc.attr 'docdate')
        assert_equal '2015', (doc.attr 'docyear')
        assert_equal '2015-01-01 03:04:05 +0600', (doc.attr 'docdatetime')
      ensure
        ENV['SOURCE_DATE_EPOCH'] = old_source_date_epoch if old_source_date_epoch
      end
    end
  end
end