require 'rails_helper'

describe CommitsHelper do
  describe 'commit_author_link' do
    it 'escapes the author email' do
      commit = double(
        author: nil,
        author_name: 'Persistent XSS',
        author_email: 'my@email.com" onmouseover="alert(1)'
      )

      expect(helper.commit_author_link(commit))
        .not_to include('onmouseover="alert(1)"')
    end

    it 'escapes the author name' do
      user = build_stubbed(:user, name: 'Foo <script>alert("XSS")</script>')

      commit = double(author: user, author_name: '', author_email: '')

      expect(helper.commit_author_link(commit))
        .to include('Foo &lt;script&gt;')
      expect(helper.commit_author_link(commit, avatar: true))
        .to include('commit-author-name', 'js-user-link', 'Foo &lt;script&gt;')
    end
  end

  describe 'commit_committer_link' do
    it 'escapes the committer email' do
      commit = double(
        committer: nil,
        committer_name: 'Persistent XSS',
        committer_email: 'my@email.com" onmouseover="alert(1)'
      )

      expect(helper.commit_committer_link(commit))
        .not_to include('onmouseover="alert(1)"')
    end

    it 'escapes the committer name' do
      user = build_stubbed(:user, name: 'Foo <script>alert("XSS")</script>')

      commit = double(committer: user, committer_name: '', committer_email: '')

      expect(helper.commit_committer_link(commit))
        .to include('Foo &lt;script&gt;')
      expect(helper.commit_committer_link(commit, avatar: true))
        .to include('commit-committer-name', 'Foo &lt;script&gt;')
    end
  end

  describe '#view_on_environment_button' do
    let(:project) { create(:project) }
    let(:environment) { create(:environment, external_url: 'http://example.com') }
    let(:path) { 'source/file.html' }
    let(:sha) { RepoHelpers.sample_commit.id }

    before do
      allow(environment).to receive(:external_url_for).with(path, sha).and_return('http://example.com/file.html')
    end

    it 'returns a link tag linking to the file in the environment' do
      html = helper.view_on_environment_button(sha, path, environment)
      node = Nokogiri::HTML.parse(html).at_css('a')

      expect(node[:title]).to eq('View on example.com')
      expect(node[:href]).to eq('http://example.com/file.html')
    end
  end
end
