private static void DoOrdering(OrderingCriteria criteria, EmployeeOrderingService service)
{
var mapping = CreateOrdersMapping(service);
var orderingMethod = mapping[criteria];
IEnumerable<Employee> employees = orderingMethod();
PrintResult(employees);
}
public void Service_OrderByDefault_Empty_ReturnsEmptyList()
{
var dataProvider = new Mock<IEmployeeData>();
var svc = new EmployeeOrderingService(dataProvider.Object);
var result = svc.OrderByDefault();
Assert.AreEqual(0, result.Count());
}
private static Dictionary<OrderingCriteria, Func<IEnumerable<Employee>>> CreateOrdersMapping(EmployeeOrderingService service)
{
var result = new Dictionary<OrderingCriteria, Func<IEnumerable<Employee>>>();
result.Add(OrderingCriteria.Default, service.OrderByDefault);
result.Add(OrderingCriteria.FirstName, () => service.OrderBy(x=>x.FirstName));
result.Add(OrderingCriteria.LastName, () => service.OrderBy(x=>x.LastName));
result.Add(OrderingCriteria.Position, () => service.OrderBy(x=>x.Position));
result.Add(OrderingCriteria.SeparationDate, () => service.OrderBy(x=>x.SeparationDateToString));
return result;
}
public void Service_OrderByCustomPosition_TwoEmployees_ReturnsOrderedByPosition()
{
var dataProvider = new Mock<IEmployeeData>();
dataProvider.Setup(x => x.GetEmployees())
.Returns(twoEmployeeList);
var svc = new EmployeeOrderingService(dataProvider.Object);
var result = svc.OrderBy(x=>x.Position);
Assert.AreEqual(2, result.Count());
Assert.AreEqual("DBA", result.ElementAt(0).Position);
Assert.AreEqual("Manager", result.ElementAt(1).Position);
}
public void Service_OrderByCustomDate_ThreeEmployees_ReturnsOrderedByDate()
{
var dataProvider = new Mock<IEmployeeData>();
dataProvider.Setup(x => x.GetEmployees())
.Returns(threeEmployeeList);
var svc = new EmployeeOrderingService(dataProvider.Object);
var result = svc.OrderBy(x => x.Position);
Assert.AreEqual(3, result.Count());
Assert.AreEqual("Jacquelyn", result.ElementAt(0).FirstName);
Assert.AreEqual("Michaela", result.ElementAt(1).FirstName);
}
static void Main(string[] args)
{
// Dependencias
var dataProvider = DataProviderFactory.Create(false);
var service = new EmployeeOrderingService(dataProvider);
// Interacción
var orderingCriteria = UserInteraction.GetOrderingCriteria();
// Ejecución
DoOrdering(orderingCriteria, service);
Console.ReadLine();
}
public void Service_OrderByDefault_TwoEmployees_ReturnsOrderedByLastName()
{
var dataProvider = new Mock<IEmployeeData>();
dataProvider.Setup(x => x.GetEmployees())
.Returns(twoEmployeeList);
var svc = new EmployeeOrderingService(dataProvider.Object);
var result = svc.OrderByDefault();
Assert.AreEqual(2, result.Count());
Assert.AreEqual("Jacquelyn", result.ElementAt(0).FirstName);
Assert.AreEqual("John", result.ElementAt(1).FirstName);
}
public void Service_OrderByDefault_OneEmployee_ReturnsOneResultOnly()
{
var dataProvider = new Mock<IEmployeeData>();
dataProvider.Setup(x => x.GetEmployees())
.Returns(oneEmployeeList);
var svc = new EmployeeOrderingService(dataProvider.Object);
var result = svc.OrderByDefault();
Assert.AreEqual(1, result.Count());
Assert.AreEqual("John", result.ElementAt(0).FirstName);
}
