Redmine

          @text.split(/(^(?:.+\r?\n\r?(?:\=+|\-+)|#+.+|(?:~~~|```).*)\s*$)/).each do |part|

            if part =~ /\A(~{3,}|`{3,})(\S+)?\s*$/

              if !inside_pre

                inside_pre = true

              elsif !$2

                inside_pre = false

  STR_WITH_PRE = [

  # 0

"# Title

Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Maecenas sed libero.",

  # 1

"## Heading 2

~~~ruby

  def foo

  end

~~~

Morbi facilisis accumsan orci non pharetra.

```

Pre Content:

## Inside pre

<tag> inside pre block

Morbi facilisis accumsan orci non pharetra.

```",

  # 2

"### Heading 3

Nulla nunc nisi, egestas in ornare vel, posuere ac libero."]

  def test_get_section_should_ignore_pre_content

    text = STR_WITH_PRE.join("\n\n")

    assert_section_with_hash STR_WITH_PRE[1..2].join("\n\n"), text, 2

    assert_section_with_hash STR_WITH_PRE[2], text, 3

  end

  def test_update_section_should_not_escape_pre_content_outside_section

    text = STR_WITH_PRE.join("\n\n")

    replacement = "New text"

    assert_equal [STR_WITH_PRE[0..1], "New text"].flatten.join("\n\n"),

      @formatter.new(text).update_section(3, replacement)

  end

  private

  def assert_section_with_hash(expected, text, index)

    result = @formatter.new(text).get_section(index)

    assert_kind_of Array, result

    assert_equal 2, result.size

    assert_equal expected, result.first, "section content did not match"

    assert_equal Digest::MD5.hexdigest(expected), result.last, "section hash did not match"

  end