require 'spec_helper'

describe 'projects/diffs/_stats.html.haml' do
  let(:project) { create(:project, :repository) }
  let(:commit) { project.commit('570e7b2abdd848b95f2f578043fc23bd6f6fd24d') }

  def render_view
    render partial: "projects/diffs/stats", locals: { diff_files: commit.diffs.diff_files }
  end

  context 'when the commit contains several changes' do
    it 'uses plural for additions' do
      render_view

      expect(rendered).to have_text('additions')
    end

    it 'uses plural for deletions' do
      render_view
    end
  end

  context 'when the commit contains no addition and no deletions' do
    let(:commit) { project.commit('4cd80ccab63c82b4bad16faa5193fbd2aa06df40') }

    it 'uses plural for additions' do
      render_view

      expect(rendered).to have_text('additions')
    end

    it 'uses plural for deletions' do
      render_view

      expect(rendered).to have_text('deletions')
    end
  end

  context 'when the commit contains exactly one addition and one deletion' do
    let(:commit) { project.commit('08f22f255f082689c0d7d39d19205085311542bc') }

    it 'uses singular for additions' do
      render_view

      expect(rendered).to have_text('addition')
      expect(rendered).not_to have_text('additions')
    end

    it 'uses singular for deletions' do
      render_view

      expect(rendered).to have_text('deletion')
      expect(rendered).not_to have_text('deletions')
    end
  end
end