public async Task ResolveNamedWithArguments()
{
var containerMock = new Mock <IMvvmContainer>();
var viewName = "FakeView";
var view = new ContentPage();
var expectedName = "pippo";
containerMock.Setup(m => m.ResolveNamed(viewName, It.IsAny <TypedParameter>()))
.Returns(view);
var fakeViewModel = new Mock <FakeViewModelWithArgs>(expectedName);
containerMock.Setup(m => m.Resolve <FakeViewModelWithArgs>())
.Returns(fakeViewModel.Object);
var navigationMock = new Mock <INavigation>();
var impl = new ViewModelNavigationImpl(containerMock.Object);
navigationMock.Setup(m => m.PushAsync(view)).Returns(Task.FromResult(0));
//---------------
await impl.Navigate <FakeViewModelWithArgs>(navigationMock.Object,
new NamedParameter("name", expectedName));
//---------------
navigationMock.Verify(m => m.PushAsync(view), Times.Once);
containerMock.Verify(m => m.ResolveNamed(viewName, It.Is <IParameter[]>(parameters =>
parameters.Count(p => ((TypedParameter)p).Value == fakeViewModel.Object) == 1)), Times.Once);
fakeViewModel.Verify(m => m.Initialize(It.Is <IParameter[]>(parameters =>
parameters.Count(p => ((NamedParameter)p).Value == expectedName) == 1)));
}
public async Task ResolveNamedNotFound()
{
var containerMock = new Mock <IMvvmContainer>();
var viewName = "FakeView";
var view = new ContentPage();
containerMock.Setup(m => m.ResolveNamed(viewName, It.IsAny <TypedParameter>()))
.Returns(view);
var navigationMock = new Mock <INavigation>();
var impl = new ViewModelNavigationImpl(containerMock.Object);
navigationMock.Setup(m => m.PushAsync(view)).Returns(Task.FromResult(0));
await ThrowsAsync <NullReferenceException>(() =>
impl.Navigate <FakeViewModel>(navigationMock.Object));
}
public async Task ResolveNamed()
{
var containerMock = new Mock <IMvvmContainer>();
var viewName = "FakeView";
var view = new ContentPage();
containerMock.Setup(m => m.ResolveNamed(viewName, It.IsAny <TypedParameter>()))
.Returns(view);
var fakeViewModel = new FakeViewModel();
containerMock.Setup(m => m.Resolve <FakeViewModel>())
.Returns(fakeViewModel);
var navigationMock = new Mock <INavigation>();
var impl = new ViewModelNavigationImpl(containerMock.Object);
navigationMock.Setup(m => m.PushAsync(view)).Returns(Task.FromResult(0));
await impl.Navigate <FakeViewModel>(navigationMock.Object);
navigationMock.Verify(m => m.PushAsync(view), Times.Once);
containerMock.Verify(m => m.ResolveNamed(viewName, It.Is <IParameter[]>(parameters =>
parameters.Count(p => ((TypedParameter)p).Value == fakeViewModel) == 1)), Times.Once);
}
