public async void CalculateOrderTaxes_NullOrder_ShouldFail()
{
var taxJarCalculator = new TaxJar(Initializer.API_URL, Initializer.API_TOKEN);
Func <Task> result = () => taxJarCalculator.CalculateOrderTaxes(null);
var exception = await Assert.ThrowsAsync <ArgumentNullException>(result);
Assert.Equal("Order", exception.ParamName);
}
public async void CalculateOrderTaxes_EmptyToCountry_ShouldFail()
{
var taxJarCalculator = new TaxJar(Initializer.API_URL, Initializer.API_TOKEN);
var order = new Order();
Func <Task> result = () => taxJarCalculator.CalculateOrderTaxes(order);
var exception = await Assert.ThrowsAsync <ArgumentException>(result);
Assert.Equal("The ToCountry is required.", exception.Message);
}
public async void CalculateOrderTaxes_OrderWithNoItems_ShouldFail()
{
var taxJarCalculator = new TaxJar(Initializer.API_URL, Initializer.API_TOKEN);
var order = Initializer.GetOrder();
Func <Task> result = () => taxJarCalculator.CalculateOrderTaxes(order);
var exception = await Assert.ThrowsAsync <ArgumentException>(result);
Assert.Equal("Either amount or Line Items parameters are required to perform tax calculations.", exception.Message);
}
public async void CalculateOrderTaxes_InvalidToZipWhenToCountryUS_ShouldFail()
{
var taxJarCalculator = new TaxJar(Initializer.API_URL, Initializer.API_TOKEN);
var order = Initializer.GetNYOrderWithItems();
order.ToZip = string.Empty;
Func <Task> result = () => taxJarCalculator.CalculateOrderTaxes(order);
var exception = await Assert.ThrowsAsync <ArgumentException>(result);
Assert.Equal("The ToZip parameter is required when ToCountry is 'US'.", exception.Message);
}
public async void CalculateOrderTaxes_InvalidShipping_ShouldFail()
{
var taxJarCalculator = new TaxJar(Initializer.API_URL, Initializer.API_TOKEN);
var order = new Order {
ToCountry = Constants.COUNTRY_US
};
Func <Task> result = () => taxJarCalculator.CalculateOrderTaxes(order);
var exception = await Assert.ThrowsAsync <ArgumentException>(result);
Assert.Equal("Invalid Shipping value.", exception.Message);
}