public void SelectedWorkload_ShouldNotifyChanges()
{
//Arrange
IWorkload workload = new WorkloadBuilder().Build();
bool selectedWorkloadChangeNotified = false;
bool showSelectedWorkloadChangeNotified = false;
_window.PropertyChanged += (sender, args) =>
{
if (args.PropertyName == nameof(MainWindow.SelectedWorkload))
{
selectedWorkloadChangeNotified = true;
}
if (args.PropertyName == nameof(MainWindow.ShowSelectedWorkload))
{
showSelectedWorkloadChangeNotified = true;
}
};
//Act
_window.SelectedWorkload = workload;
//Assert
Assert.That(_window.SelectedWorkload, Is.SameAs(workload),
"The 'SelectedWorkload' property is not set correctly.");
Assert.That(selectedWorkloadChangeNotified, Is.True,
"The 'PropertyChanged' event should be triggered for the property 'SelectedWorkload'.");
Assert.That(showSelectedWorkloadChangeNotified, Is.True,
"The 'PropertyChanged' event should also be triggered for the property 'ShowSelectedWorkload' " +
"(This property might return a different value when the selected workload has changed).");
}
public void GetAll_ShouldRetrieveAllAddedWorkloads()
{
//Arrange
IWorkload workload1 = new WorkloadBuilder().Build();
IWorkload workload2 = new WorkloadBuilder().Build();
try
{
_repository.Add(workload1);
_repository.Add(workload2);
}
catch (Exception)
{
Assert.Fail(
$"Make sure that the test '{nameof(Add_ShouldSaveAJsonVersionOfTheWorkloadInAFile)}' is green, before attempting to make this test green.");
}
//Act
IReadOnlyList <IWorkload> allWorkloads = _repository.GetAll();
//Assert
Assert.That(allWorkloads.Count, Is.EqualTo(2), "2 workloads should be returned after adding 2 workloads.");
var workloadMatch1 = allWorkloads.FirstOrDefault(wl => wl.Id == workload1.Id);
AssertWorkloadEquality(workloadMatch1, workload1, "The first added workload is not the same than the matching retrieved workload.");
var workloadMatch2 = allWorkloads.FirstOrDefault(wl => wl.Id == workload2.Id);
AssertWorkloadEquality(workloadMatch2, workload2, "The second added workload is not the same than the matching retrieved workload.");
}
public void Add_ShouldSaveAJsonVersionOfTheWorkloadInAFile()
{
//Arrange
IWorkload workload = new WorkloadBuilder().Build();
//Act
_repository.Add(workload);
//Assert
AssertThatWorkloadFileExists(workload);
}
public void SaveChanges_ShouldOverwriteTheMatchingWorkloadFile()
{
//Arrange
TestWorkload workload = new WorkloadBuilder().Build() as TestWorkload;
try
{
_repository.Add(workload);
}
catch (Exception)
{
Assert.Fail(
$"Make sure that the test '{nameof(Add_ShouldSaveAJsonVersionOfTheWorkloadInAFile)}' is green, before attempting to make this test green.");
}
string newName = "EditedName";
int newCapacity = workload.Capacity + 1;
//Act
workload.Name = newName;
workload.Capacity = newCapacity;
_repository.SaveChanges(workload);
//Assert
IReadOnlyList <IWorkload> allWorkloads = null;
try
{
allWorkloads = _repository.GetAll();
}
catch (Exception)
{
Assert.Fail(
$"Make sure that the test '{nameof(GetAll_ShouldRetrieveAllAddedWorkloads)}' is green, before attempting to make this test green.");
}
Assert.That(allWorkloads.Count, Is.EqualTo(1), "Only one workload should be returned by 'GetAll' after adding 1 workload and updating it.");
IWorkload updatedWorkload = allWorkloads.First();
Assert.That(updatedWorkload.Name, Is.EqualTo(newName), "A change in the name is not saved correctly.");
Assert.That(updatedWorkload.Capacity, Is.EqualTo(newCapacity), "A change in the capacity is not saved correctly.");
}
