require 'spec_helper' describe Payment do context 'new payment' do let(:payment) { create(:payment) } it 'sets status to "unpaid" by default' do expect(payment.status).to eq('unpaid') end end describe 'validations' do it 'has a valid factory' do expect(build(:payment)).to be_valid end it { is_expected.to validate_presence_of(:last4) } it { is_expected.to validate_presence_of(:amount) } it { is_expected.to validate_presence_of(:authorization_code) } it { is_expected.to validate_presence_of(:status) } it { is_expected.to validate_presence_of(:user_id) } it { is_expected.to validate_presence_of(:conference_id) } it 'is not valid with a amount equals zero' do should_not allow_value(0).for(:amount) end it 'is not valid with a amount smaller than zero' do should_not allow_value(-1).for(:amount) end it 'is valid with a amount greater than zero' do should allow_value(1).for(:amount) end end describe 'self#purchase' end