public void HasNoDiscount_WhenNewCustomer()
{
var order = new Order(new Customer(), 50);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(0);
}
public void LargeAccountCustomerHas8PercentDiscount_WhenOrderIsWorth200OrMore()
{
var customer = new Customer { NumberOfOrders = 1000 };
var order = new Order(customer, 200);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(8);
}
public void LargeAccountCustomerHas6PercentDiscount_WhenOrderIsLessThan200()
{
var customer = new Customer { NumberOfOrders = 1000 };
var order = new Order(customer, 199);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(6);
}
public void LargeAccountCustomerAlwaysGetsTheBestDiscount()
{
var customer = new Customer { NumberOfOrders = 1000 };
var order = new Order(customer, 150);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(7);
}
public void Has5PercentDiscount_WhenCustomerIsRegularCustomer()
{
var customer = new Customer { NumberOfOrders = 10 };
var order = new Order(customer, 0);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(5);
}
public void NewCustomerHas1PercentDiscount_WhenOrderIsWorth200OrMore()
{
var customer = new Customer();
var order = new Order(customer, 200);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(1);
}
public void RegularCustomerHas2PercentExtraDiscount_WhenOrderIsWorth100OrMore()
{
var customer = new Customer { NumberOfOrders = 10 };
var order = new Order(customer, 100);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(7);
}
public void NewCustomerPays2PercentExtra_WhenOrderIsWorthLessThan30()
{
var customer = new Customer();
var order = new Order(customer, 29);
int discount = this.testee.CalculateDiscount(order);
discount.Should().Be(-2);
}