require 'spec_helper'

describe User do
  subject     { user }
  let(:user)  { FactoryGirl.build(:user) }

  it { should be_valid }
  it { should have_many :playlists }
  it { should validate_presence_of :email }
  it { should validate_presence_of :password }
  it { should validate_presence_of :password_hash }
  it { should_not allow_mass_assignment_of :password_hash }

  context 'when a user with the same email address already exists' do
    let(:old_user)  { FactoryGirl.create(:user, :email => 'unique@example.net') }
    subject         { FactoryGirl.build(:user, :email => old_user.email) }

    it { should_not be_valid }

    it { should have(1).error_on(:email) }
  end

  context 'when password_confirmation does not match password' do
    before do
      user.password_confirmation = user.password + 'INVALID'
    end

    it { should_not be_valid }
  end

  describe '#password=' do
    it 'stores a bcrypt hash of the password in password_hash' do
      BCrypt::Password.new(user.password_hash).should == user.password
    end
  end

  describe '#authenticate?' do
    context 'with a valid password' do
      it 'returns true' do
        user.authenticate?(user.password).should be_true
      end
    end

    context 'with an invalid password' do
      it 'returns false' do
        user.authenticate?(user.password + '_INVALID').should be_false
      end
    end
  end
end