osem-fcy/spec/models/payment_spec.rb

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