gitlab-org--gitlab-foss/spec/features/projects/wiki/markdown_preview_spec.rb

require 'spec_helper'

describe 'Projects > Wiki > User previews markdown changes', :js do
  let(:user) { create(:user) }
  let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
  let(:wiki_content) do
    <<-HEREDOC
[regular link](regular)
[relative link 1](../relative)
[relative link 2](./relative)
[relative link 3](./e/f/relative)
[spaced link](title with spaces)
    HEREDOC
  end

  before do
    project.add_maintainer(user)

    sign_in(user)

    visit project_path(project)
    find('.shortcuts-wiki').click
    click_link "Create your first page"
  end

  context "while creating a new wiki page" do
    context "when there are no spaces or hyphens in the page name" do
      it "rewrites relative links as expected" do
        find('.add-new-wiki').click
        page.within '#modal-new-wiki' do
          fill_in :new_wiki_path, with: 'a/b/c/d'
          click_button 'Create page'
        end

        page.within '.wiki-form' do
          fill_in :wiki_content, with: wiki_content
          click_on "Preview"
        end

        expect(page).to have_content("regular link")

        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/relative\">relative link 1</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/relative\">relative link 2</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/e/f/relative\">relative link 3</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
      end
    end

    context "when there are spaces in the page name" do
      it "rewrites relative links as expected" do
        click_link 'New page'
        page.within '#modal-new-wiki' do
          fill_in :new_wiki_path, with: 'a page/b page/c page/d page'
          click_button 'Create page'
        end

        page.within '.wiki-form' do
          fill_in :wiki_content, with: wiki_content
          click_on "Preview"
        end

        expect(page).to have_content("regular link")

        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
      end
    end

    context "when there are hyphens in the page name" do
      it "rewrites relative links as expected" do
        click_link 'New page'
        page.within '#modal-new-wiki' do
          fill_in :new_wiki_path, with: 'a-page/b-page/c-page/d-page'
          click_button 'Create page'
        end

        page.within '.wiki-form' do
          fill_in :wiki_content, with: wiki_content
          click_on "Preview"
        end

        expect(page).to have_content("regular link")

        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
      end
    end
  end

  context "while editing a wiki page" do
    def create_wiki_page(path)
      find('.add-new-wiki').click

      page.within '#modal-new-wiki' do
        fill_in :new_wiki_path, with: path
        click_button 'Create page'
      end

      page.within '.wiki-form' do
        fill_in :wiki_content, with: 'content'
        click_on "Create page"
      end
    end

    context "when there are no spaces or hyphens in the page name" do
      it "rewrites relative links as expected" do
        create_wiki_page 'a/b/c/d'
        click_link 'Edit'

        fill_in :wiki_content, with: wiki_content
        click_on "Preview"

        expect(page).to have_content("regular link")

        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/relative\">relative link 1</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/relative\">relative link 2</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/e/f/relative\">relative link 3</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
      end
    end

    context "when there are spaces in the page name" do
      it "rewrites relative links as expected" do
        create_wiki_page 'a page/b page/c page/d page'
        click_link 'Edit'

        fill_in :wiki_content, with: wiki_content
        click_on "Preview"

        expect(page).to have_content("regular link")

        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
      end
    end

    context "when there are hyphens in the page name" do
      it "rewrites relative links as expected" do
        create_wiki_page 'a-page/b-page/c-page/d-page'
        click_link 'Edit'

        fill_in :wiki_content, with: wiki_content
        click_on "Preview"

        expect(page).to have_content("regular link")

        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
      end
    end

    context 'when rendering the preview' do
      it 'renders content with CommonMark' do
        create_wiki_page 'a-page/b-page/c-page/common-mark'
        click_link 'Edit'

        fill_in :wiki_content, with: "1. one\n  - sublist\n"
        click_on "Preview"

        # the above generates two seperate lists (not embedded) in CommonMark
        expect(page).to have_content("sublist")
        expect(page).not_to have_xpath("//ol//li//ul")
      end

      it 'renders content with RedCarpet when legacy_render is set' do
        wiki_page = create(:wiki_page,
                           wiki: project.wiki,
                           attrs: { title: 'home', content: "Empty content" })
        visit(project_wiki_edit_path(project, wiki_page, legacy_render: 1))

        fill_in :wiki_content, with: "1. one\n  - sublist\n"
        click_on "Preview"

        # the above generates a sublist list in RedCarpet
        expect(page).to have_content("sublist")
        expect(page).to have_xpath("//ol//li//ul")
      end
    end
  end

  it "does not linkify double brackets inside code blocks as expected" do
    click_link 'New page'
    page.within '#modal-new-wiki' do
      fill_in :new_wiki_path, with: 'linkify_test'
      click_button 'Create page'
    end

    page.within '.wiki-form' do
      fill_in :wiki_content, with: <<-HEREDOC
        `[[do_not_linkify]]`
        ```
        [[also_do_not_linkify]]
        ```
      HEREDOC
      click_on "Preview"
    end

    expect(page).to have_content("do_not_linkify")

    expect(page.html).to include('[[do_not_linkify]]')
    expect(page.html).to include('[[also_do_not_linkify]]')
  end
end