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path: root/test/rdoc/test_rdoc_rdoc.rb
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require 'rdoc/test_case'

class TestRDocRDoc < RDoc::TestCase

  def setup
    super

    @rdoc = RDoc::RDoc.new
    @rdoc.options = RDoc::Options.new

    @stats = RDoc::Stats.new @store, 0, 0
    @rdoc.instance_variable_set :@stats, @stats
  end

  def test_document # functional test
    options = RDoc::Options.new
    options.files = [File.expand_path('../xref_data.rb')]
    options.setup_generator 'ri'
    options.main_page = 'MAIN_PAGE.rdoc'
    options.title     = 'title'

    rdoc = RDoc::RDoc.new

    temp_dir do
      capture_io do
        rdoc.document options
      end

      assert File.directory? 'doc'
      assert_equal rdoc, rdoc.store.rdoc
    end

    store = rdoc.store

    assert_equal 'MAIN_PAGE.rdoc', store.main
    assert_equal 'title',          store.title
  end

  def test_gather_files
    a = File.expand_path __FILE__
    b = File.expand_path '../test_rdoc_text.rb', __FILE__

    assert_equal [a, b], @rdoc.gather_files([b, a, b])
  end

  def test_handle_pipe
    $stdin = StringIO.new "hello"

    out, = capture_io do
      @rdoc.handle_pipe
    end

    assert_equal "\n<p>hello</p>\n", out
  ensure
    $stdin = STDIN
  end

  def test_handle_pipe_rd
    $stdin = StringIO.new "=begin\nhello\n=end"

    @rdoc.options.markup = 'rd'

    out, = capture_io do
      @rdoc.handle_pipe
    end

    assert_equal "\n<p>hello</p>\n", out
  ensure
    $stdin = STDIN
  end

  def test_load_options
    temp_dir do
      options = RDoc::Options.new
      options.markup = 'tomdoc'
      options.write_options

      options = @rdoc.load_options

      assert_equal 'tomdoc', options.markup
    end
  end

  def test_load_options_invalid
    temp_dir do
      open '.rdoc_options', 'w' do |io|
        io.write "a: !ruby.yaml.org,2002:str |\nfoo"
      end

      e = assert_raises RDoc::Error do
        @rdoc.load_options
      end

      options_file = File.expand_path '.rdoc_options'
      assert_equal "#{options_file} is not a valid rdoc options file", e.message
    end
  end

  def load_options_no_file
    temp_dir do
      options = @rdoc.load_options

      assert_kind_of RDoc::Options, options
    end
  end

  def test_normalized_file_list
    files = @rdoc.normalized_file_list [__FILE__]

    files = files.map { |file| File.expand_path file }

    assert_equal [File.expand_path(__FILE__)], files
  end

  def test_normalized_file_list_not_modified
    files = [__FILE__]

    @rdoc.last_modified[__FILE__] = File.stat(__FILE__).mtime

    files = @rdoc.normalized_file_list [__FILE__]

    assert_empty files
  end

  def test_normalized_file_list_non_file_directory
    skip '/dev/stdin is not a character special' unless
      File.chardev? '/dev/stdin'

    files = nil

    out, err = verbose_capture_io do
      files = @rdoc.normalized_file_list %w[/dev/stdin]
    end

    files = files.map { |file| File.expand_path file }

    assert_empty files

    assert_empty out
    assert_match %r%^rdoc can't parse%, err
    assert_match %r%/dev/stdin$%,       err
  end

  def test_parse_file
    @rdoc.store = RDoc::Store.new

    temp_dir do |dir|
      @rdoc.options.root = Pathname(Dir.pwd)

      open 'test.txt', 'w' do |io|
        io.puts 'hi'
      end

      top_level = @rdoc.parse_file 'test.txt'

      assert_equal 'test.txt', top_level.absolute_name
      assert_equal 'test.txt', top_level.relative_name
    end
  end

  def test_parse_file_page_dir
    @rdoc.store = RDoc::Store.new

    temp_dir do |dir|
      FileUtils.mkdir 'pages'
      @rdoc.options.page_dir = Pathname('pages')
      @rdoc.options.root = Pathname(Dir.pwd)

      open 'pages/test.txt', 'w' do |io|
        io.puts 'hi'
      end

      top_level = @rdoc.parse_file 'pages/test.txt'

      assert_equal 'pages/test.txt', top_level.absolute_name
      assert_equal 'test.txt',       top_level.relative_name
    end
  end

  def test_parse_file_relative
    pwd = Dir.pwd

    @rdoc.store = RDoc::Store.new

    temp_dir do |dir|
      @rdoc.options.root = Pathname(dir)

      open 'test.txt', 'w' do |io|
        io.puts 'hi'
      end

      test_txt = File.join dir, 'test.txt'

      Dir.chdir pwd do
        top_level = @rdoc.parse_file test_txt

        assert_equal test_txt,   top_level.absolute_name
        assert_equal 'test.txt', top_level.relative_name
      end
    end
  end

  def test_parse_file_encoding
    skip "Encoding not implemented" unless Object.const_defined? :Encoding
    @rdoc.options.encoding = Encoding::ISO_8859_1
    @rdoc.store = RDoc::Store.new

    Tempfile.open 'test.txt' do |io|
      io.write 'hi'
      io.rewind

      top_level = @rdoc.parse_file io.path

      assert_equal Encoding::ISO_8859_1, top_level.absolute_name.encoding
    end
  end

  def test_parse_file_forbidden
    skip 'chmod not supported' if Gem.win_platform?

    @rdoc.store = RDoc::Store.new

    Tempfile.open 'test.txt' do |io|
      io.write 'hi'
      io.rewind

      File.chmod 0000, io.path

      begin
        top_level = :bug

        _, err = capture_io do
          top_level = @rdoc.parse_file io.path
        end

        assert_match "Unable to read #{io.path},", err

        assert_nil top_level
      ensure
        File.chmod 0400, io.path
      end
    end
  end

  def test_remove_unparseable
    file_list = %w[
      blah.class
      blah.eps
      blah.erb
      blah.scpt.txt
      blah.ttf
      blah.yml
    ]

    assert_empty @rdoc.remove_unparseable file_list
  end

  def test_remove_unparseable_tags_emacs
    temp_dir do
      open 'TAGS', 'wb' do |io| # emacs
        io.write "\f\nlib/foo.rb,43\n"
      end

      file_list = %w[
        TAGS
      ]

      assert_empty @rdoc.remove_unparseable file_list
    end
  end

  def test_remove_unparseable_tags_vim
    temp_dir do
      open 'TAGS', 'w' do |io| # emacs
        io.write "!_TAG_"
      end

      file_list = %w[
        TAGS
      ]

      assert_empty @rdoc.remove_unparseable file_list
    end
  end

  def test_setup_output_dir
    Dir.mktmpdir {|d|
      path = File.join d, 'testdir'

      last = @rdoc.setup_output_dir path, false

      assert_empty last

      assert File.directory? path
      assert File.exist? @rdoc.output_flag_file path
    }
  end

  def test_setup_output_dir_dry_run
    @rdoc.options.dry_run = true

    Dir.mktmpdir do |d|
      path = File.join d, 'testdir'

      @rdoc.setup_output_dir path, false

      refute File.exist? path
    end
  end

  def test_setup_output_dir_exists
    Dir.mktmpdir {|path|
      open @rdoc.output_flag_file(path), 'w' do |io|
        io.puts Time.at 0
        io.puts "./lib/rdoc.rb\t#{Time.at 86400}"
      end

      last = @rdoc.setup_output_dir path, false

      assert_equal 1, last.size
      assert_equal Time.at(86400), last['./lib/rdoc.rb']
    }
  end

  def test_setup_output_dir_exists_empty_created_rid
    Dir.mktmpdir {|path|
      open @rdoc.output_flag_file(path), 'w' do end

      e = assert_raises RDoc::Error do
        @rdoc.setup_output_dir path, false
      end

      assert_match %r%Directory #{Regexp.escape path} already exists%, e.message
    }
  end

  def test_setup_output_dir_exists_file
    Tempfile.open 'test_rdoc_rdoc' do |tempfile|
      path = tempfile.path

      e = assert_raises RDoc::Error do
        @rdoc.setup_output_dir path, false
      end

      assert_match(%r%#{Regexp.escape path} exists and is not a directory%,
                   e.message)
    end
  end

  def test_setup_output_dir_exists_not_rdoc
    Dir.mktmpdir do |dir|
      e = assert_raises RDoc::Error do
        @rdoc.setup_output_dir dir, false
      end

      assert_match %r%Directory #{Regexp.escape dir} already exists%, e.message
    end
  end

  def test_update_output_dir
    Dir.mktmpdir do |d|
      @rdoc.update_output_dir d, Time.now, {}

      assert File.exist? "#{d}/created.rid"
    end
  end

  def test_update_output_dir_dont
    Dir.mktmpdir do |d|
      @rdoc.options.update_output_dir = false
      @rdoc.update_output_dir d, Time.now, {}

      refute File.exist? "#{d}/created.rid"
    end
  end

  def test_update_output_dir_dry_run
    Dir.mktmpdir do |d|
      @rdoc.options.dry_run = true
      @rdoc.update_output_dir d, Time.now, {}

      refute File.exist? "#{d}/created.rid"
    end
  end

end