require 'spec_helper'

describe DiscussionEntity do
  include RepoHelpers

  let(:user) { create(:user) }
  let(:note) { create(:discussion_note_on_merge_request) }
  let(:discussion) { note.discussion }
  let(:request) { double('request') }
  let(:controller) { double('controller') }
  let(:entity) { described_class.new(discussion, request: request, context: controller) }

  subject { entity.as_json }

  before do
    allow(controller).to receive(:render_to_string)
    allow(request).to receive(:current_user).and_return(user)
    allow(request).to receive(:noteable).and_return(note.noteable)
  end

  it 'exposes correct attributes' do
    expect(subject).to include(
      :id, :expanded, :notes, :individual_note,
      :resolvable, :resolved, :resolve_path,
      :resolve_with_issue_path, :diff_discussion
    )
  end

  context 'when diff file is present' do
    let(:note) { create(:diff_note_on_merge_request) }

    it 'exposes diff file attributes' do
      expect(subject).to include(:diff_file, :truncated_diff_lines, :image_diff_html)
    end
  end
end