clarion/spec/models/track_spec.rb

require 'rails_helper'

RSpec.describe Track, :type => :model do
  it 'is invalid without a name' do
    expect(build(:track, name: '')).to have_error_on :name
  end

  describe 'color' do
    it 'must be present' do
      expect(build(:track, color: '')).to have_error_on :color
    end

    it 'must be a hex RGB triplet' do
      expect(build(:track, color: 'foobar')).to have_error_on :color
      expect(build(:track, color: '000000')).to_not have_error_on :color
      expect(build(:track, color: '#000000')).to_not have_error_on :color
    end
  end

  it 'belongs to a conference' do
    conference = create :conference
    expect(build(:track, conference_id: conference.id).conference).to eq conference
  end
end