public void FluentAssertions_Samples()
{
string str = "ABCDEFGHI";
str.Should().StartWith("AB").And.EndWith("HI").And.Contain("EF").And.HaveLength(9).And.NotStartWith("XXX").And.Match("*CD*");
int int1 = 147;
int1.Should().BePositive().And.BeInRange(10, 200).And.BeOneOf(11, 45, 69, 113, 147, 198).And.BeCloseTo(150, 3);
// dates
DateTime dateTimeExample = new DateTime(2019, 8, 16);
dateTimeExample.Should().Be(10.Days().Before(26.August(2019)));
// test failure message readability
var order = new Order {
Id = 123
};
//Assert.AreEqual(234, order.Id);
//order.Id.Should().Be(234);
// collections
List <Order> orders = Fixture.CreateMany <Order>(30).OrderBy(x => x.Id).ToList();
orders.Should()
.BeInAscendingOrder(x => x.Id)
.And.HaveCountGreaterOrEqualTo(10)
.And.OnlyHaveUniqueItems(x => x.Id);
// Act
ActionResult result = new RegistrationController().ValidateSetup(null);
// standard
Assert.IsNotNull(result);
object outputModel = (result as PartialViewResult).Model;
Assert.IsInstanceOfType(outputModel, typeof(RegistrationSetupVM));
var outputVM = outputModel as RegistrationSetupVM;
Assert.IsNotNull(outputVM);
Assert.AreEqual(outputVM.NextActionType, RegistrationNextActionEnum.RegistrationBlocked);
// fluent
result.Should().NotBeNull().And.BeOfType <PartialViewResult>();
(result as PartialViewResult).Model.Should().BeOfType <RegistrationSetupVM>()
.Which.NextActionType.Should().Be(RegistrationNextActionEnum.RegistrationBlocked);
// exceptions
Action act = () => new OrderService().ProcessOrders(null);
act.Should().Throw <Exception>().WithMessage("Not enough orders.")
.WithInnerException <ArgumentNullException>()
.And.ParamName.Should().Be("orders");
// execute all assertions
var oneOrder = orders.First();
//using (new AssertionScope())
//{
// oneOrder.Id.Should().Be("aaa");
// oneOrder.Customer.FirstName.Should().StartWith("Jan");
// oneOrder.Assets.Should().AllBeOfType<Order>();
//}
// execution time
Action someAction = () => new OrderService().QuickProcessing();
someAction.ExecutionTime().Should().BeLessOrEqualTo(200.Milliseconds());
/* Usage:
*
* Registration_ValidateSetupOnlineAccount_NullParams
* Registration_ValidateRegistrationExistingUser_Fail_Null
*
*/
}