public void NullServiceTest()
{
IViewInjectionService iService = null;
AssertHelper.AssertThrows <ArgumentNullException>(() => { iService.Inject(null, null); });
AssertHelper.AssertThrows <ArgumentNullException>(() => { iService.Inject(null, null, string.Empty); });
AssertHelper.AssertThrows <ArgumentNullException>(() => { iService.Inject(null, null, typeof(string)); });
AssertHelper.AssertThrows <ArgumentNullException>(() => { iService.GetViewModel(null); });
}
public void ViewModelKeyTest()
{
ViewInjectionService service = new ViewInjectionService();
IViewInjectionService iService = service;
ContentControl target = new ContentControl();
Interaction.GetBehaviors(target).Add(service);
object vm1 = new object();
object vm2 = new object();
Window.Content = target;
EnqueueShowWindow();
EnqueueCallback(() => {
iService.Inject(null, null);
iService.Inject(null, vm1);
Assert.AreEqual(1, iService.ViewModels.Count());
Assert.AreSame(vm1, iService.ViewModels.ElementAt(0));
Assert.AreEqual(vm1, iService.GetKey(vm1));
Assert.AreSame(vm1, iService.GetViewModel(vm1));
AssertHelper.AssertThrows <InvalidOperationException>(() => iService.Inject(null, vm1),
x => Assert.AreEqual("A view model with the same key already exists in the ViewInjectionService region.", x.Message));
service.RegionName = "Test";
AssertHelper.AssertThrows <InvalidOperationException>(() => iService.Inject(null, vm1),
x => Assert.AreEqual("A view model with the same key already exists in the Test region.", x.Message));
iService.Inject("New", vm2);
Assert.AreEqual(2, iService.ViewModels.Count());
Assert.AreSame(vm2, iService.ViewModels.ElementAt(1));
Assert.AreEqual("New", iService.GetKey(vm2));
Assert.AreSame(vm2, iService.GetViewModel("New"));
iService.Remove(vm1);
Assert.AreEqual(1, iService.ViewModels.Count());
iService.Remove(vm2);
Assert.AreEqual(0, iService.ViewModels.Count());
});
EnqueueTestComplete();
}