public void IF_view_lookup_returns_null_SHOULD_throw()
{
//Arrange
MockNavigationLookup.Where_GetViewType_returns <TestViewModel>(null);
//Act
Assert.ThrowsAsync <NavigationException>(async() => await Sut.ShowViewAsync <TestViewModel>(), "View not registered for ViewModel");
}
public override void Setup()
{
base.Setup();
_testView = new TestView(new TestViewModel());
MockNavigationLookup.Where_GetViewType_returns <TestViewModel>(typeof(TestView));
MockServiceLocator.Where_Resolve_returns(_testView, typeof(TestView));
}
public void IF_resolved_view_cannot_be_converted_to_Page_SHOULD_throw()
{
//Arrange
MockNavigationLookup.Where_GetViewType_returns <TestViewModel>(typeof(FakeView));
MockServiceLocator.Where_Resolve_returns(new FakeView(), typeof(FakeView));
//Act
Assert.ThrowsAsync <NavigationException>(async() => await Sut.ShowViewAsync <TestViewModel>(), "View type FakeView is not a Xamarin.Forms Page");
}
public override void Setup()
{
base.Setup();
_parameter = Guid.NewGuid();
_testView = new TestInitializingView(new TestInitializingViewModel());
_testNavigationView = new NavigationView(MockNavigationService.Object, _testView);
MockNavigationLookup.Where_GetViewType_returns <TestInitializingViewModel>(typeof(TestInitializingView));
MockServiceLocator.Where_Resolve_returns(_testView, typeof(TestInitializingView));
}
public async Task IF_ViewModel_is_IAsyncInitializable_SHOULD_initialize()
{
//Arrange
var testAsyncInitializableView = new TestAsyncInitializableView(new TestAsyncInitializableViewModel());
MockNavigationLookup.Where_GetViewType_returns <TestAsyncInitializableViewModel>(typeof(TestAsyncInitializableView));
MockServiceLocator.Where_Resolve_returns(testAsyncInitializableView, typeof(TestAsyncInitializableView));
//Act
await Sut.ShowMainViewAsync <TestAsyncInitializableViewModel>();
//Assert
Assert.That(((TestAsyncInitializableViewModel)testAsyncInitializableView.BindingContext).IsInitialized, Is.True);
}
public override void Setup()
{
base.Setup();
MockForms.Init();
_testViewModel = new TestViewModel();
_testView = new TestView(new TestViewModel());
_testMenuView = new TestMenuView(_testViewModel);
_testFlyoutViewModel = new TestFlyoutViewModel();
_testFlyoutPage = new FlyoutPage <TestFlyoutViewModel, TestMenuView, TestView>(_testFlyoutViewModel, MockNavigationService.Object, _testMenuView, _testView);
MockNavigationLookup.Where_GetViewType_returns <TestViewModel>(typeof(TestView));
MockServiceLocator.Where_Resolve_returns(_testView, typeof(TestView));
}
