How people reuse tests

spec.js

describe('Invoice', function() {
  var invoice, user;
  
  describe('by default', function() {
    beforeEach(function() {
      user = User.create({ role: 'member' });
      invoice = user.invoices.create({ price: 10, currency: 'USD' });
    });
    
    it('has status "fraud" if amount does not equal to invoice amount', function() {
      invoice.paid(1, 'USD');
      expect(invoice.status).to.equal('fraud');
    });
    
    it('has status "fraud" if currency does not equal to invoice currency', function() {
      invoice.paid(10, 'ZWD');
      expect(invoice.status).to.equal('fraud');
    });
  });
  
  describe('when user is admin', function() {
    beforeEach(function() {
      user = User.create({ role: 'admin' });
      invoice = user.invoices.create({ price: 10, currency: 'USD' });
    });
    
    it('has status "paid" if amount does not equal to invoice amount', function() {
      invoice.paid(1, 'USD');
      expect(invoice.status).to.equal('paid');
    });
  });
});