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);
}