# encoding: utf-8
require 'minitest/autorun'
require_relative '../lib/devcenter-parser'

describe 'DevcenterParser' do

  describe '.to_unsanitized_html' do
    it 'maintains script tags' do
      md = '<script>alert("hi")</script>'
      assert_parsing_unsanitized_result md, :maruku, md
      assert_parsing_unsanitized_result md, :github, '<script>alert("hi")</script>'
    end
  end

  describe '.to_html' do

    it 'raises InvalidMarkdownError when parsing invalid markdown' do
      md = '[foo](bar'
      assert_raises DevcenterParser::InvalidMarkdownError do
        DevcenterParser.to_html(md, :maruku)
      end
    end

    it 'respects existing ids' do
      md = '<strong id="foo">clean</strong>'
      assert_maruku_result md, '<strong id="foo">clean</strong>'
    end

    it 'removes script tags and their content' do
      md = '<strong>clean<script>alert("hack!")</script></strong>'
      assert_maruku_result md, '<strong>clean</strong>'
    end

    it 'github markdown includes ids in subheaders' do
      md = <<-MARKDOWN
## Foo Bar Header 123

Foo bar content
    MARKDOWN
      assert DevcenterParser.to_html(md, :github).include?('<h2 id="foo-bar-header-123">Foo Bar Header 123</h2>')
    end

    it 'maruku markdown includes ids in subheaders' do
      md = <<-MARKDOWN
## Foo Bar Header 123

Foo bar content
      MARKDOWN
      assert DevcenterParser.to_html(md, :maruku).include?('<h2 id="foo-bar-header-123">Foo Bar Header 123</h2>')
    end

    it 'github markdown supports regular block quotes without callout|warning|note' do
      md = <<-MARKDOWN
Testing

> not a callout
> **strong**
> normal

And that's it.
      MARKDOWN

      html = <<-HTML
<p>Testing</p>

<blockquote>
<p>not a callout
<strong>strong</strong>
normal</p>
</blockquote>

<p>And that's it.</p>
      HTML

      assert_github_result(md, html)

      md = <<-MARKDOWN
Testing

> calloutnonono
> **strong**
> normal

And that's it.
      MARKDOWN

      html = <<-HTML
<p>Testing</p>

<blockquote>
<p>calloutnonono
<strong>strong</strong>
normal</p>
</blockquote>

<p>And that's it.</p>
      HTML

      assert_github_result(md, html)
    end

    it 'github markdown supports "> callout" and ">callout" and parses inner markdown' do
      mds = []
      mds << <<-MARKDOWN
Testing

> callout
> **strong**
> normal

And that's it.
      MARKDOWN

      mds << <<-MARKDOWN
Testing

>callout
>**strong**
>normal

And that's it.
      MARKDOWN

      html = <<-HTML
<p>Testing</p>

<div class="callout">
<p><strong>strong</strong>
normal</p>
</div>

<p>And that's it.</p>
      HTML

      mds.each do |md|
        assert_github_result(md, html)
      end
    end

    it 'github markdown supports "> callout" and ">callout", parses inner markdown and allows paragraphs' do
      mds = []
      mds << <<-MARKDOWN
Testing

> callout
> **strong**

> normal

And that's it.
      MARKDOWN

      mds << <<-MARKDOWN
Testing

>callout
>**strong**

>normal

And that's it.
      MARKDOWN

      html = <<-HTML
<p>Testing</p>

<div class="callout">
<p><strong>strong</strong></p>

<p>normal</p>
</div>

<p>And that's it.</p>
      HTML

      mds.each do |md|
        assert_github_result(md, html)
      end
    end

    it "does emdashes both in all flavours" do
      md = "foo -- bar"
      html = '<p>foo – bar</p>'
      assert_all_flavours_result(md, html)
    end

    it 'converts relative links with missing initial slashes to article links' do
      ['foo', 'foo/bar', 'foo#bar', '123'].each do |href|
        md = "[link](#{href})"
        html = "<p><a href=\"/articles/#{href}\">link</a></p>"
        assert_maruku_result md, html
        assert_github_result md, html
      end
    end

    it 'does not alter relative links with initial slashes nor absolute links' do
      ['http://foo.com', 'https://foo.com', '/foo', '/foo/bar', '/foo#bar', '/123', 'mailto:foo@foobar.com'].each do |href|
        md = "[link](#{href})"
        html = "<p><a href=\"#{href}\">link</a></p>"
        assert_maruku_result md, html
        assert_github_result md, html
      end
    end

  end


  # helpers

  def assert_all_flavours_result(md, expected)
    [:github, :maruku].each { |flavour| assert_parsing_result(md, flavour, expected) }
  end

  def assert_maruku_result(md, expected)
    assert_parsing_result md, :maruku, expected
  end

  def assert_github_result(md, expected)
    assert_parsing_result md, :github, expected
  end

  def assert_parsing_result(md, flavour, expected)
    result = DevcenterParser.to_html(md, flavour)
    assert_equal expected.strip, result.strip, "Failed when parsing\n#{md}\nwith the #{flavour} flavour.\n\nExpected:\n#{expected}\n\nActual result:\n#{result}\n\n"
  end

  def assert_parsing_unsanitized_result(md, flavour, expected)
    result = DevcenterParser.to_unsanitized_html(md, flavour)
    assert_equal expected.strip, result.strip, "Failed when parsing on unsanitized mode\n#{md}\nwith the #{flavour} flavour.\n\nExpected:\n#{expected}\n\nActual result:\n#{result}\n\n"
  end

end