public void AddBinding_Throws_WhenPropertyExpressionIsNull()
{
var viewModel = new TestViewModel();
var serviceProvider = new Mock <IServiceProvider>();
var wemf = new Mock <IWeakEventManagerFactory>();
var wem = new Mock <IWeakEventManager>();
var bindingFactory = new Mock <IBindingFactory>();
serviceProvider.Setup(x => x.GetService(typeof(IWeakEventManagerFactory))).Returns(wemf.Object)
.Verifiable();
serviceProvider.Setup(x => x.GetService(typeof(IBindingFactory))).Returns(bindingFactory.Object)
.Verifiable();
wemf.Setup(x => x.Create()).Returns(wem.Object).Verifiable();
var component = new TestComponent(serviceProvider.Object);
Should.Throw <BindingException>(() => component.AddBinding <TestViewModel, string>(viewModel, null));
serviceProvider.Verify();
wemf.Verify();
serviceProvider.VerifyNoOtherCalls();
wemf.VerifyNoOtherCalls();
bindingFactory.VerifyNoOtherCalls();
wem.VerifyNoOtherCalls();
}
public void AddBinding_Throws_WhenBindingMemberIsAMethod()
{
var viewModel = new TestViewModel();
var serviceProvider = new Mock <IServiceProvider>();
var wemf = new Mock <IWeakEventManagerFactory>();
var wem = new Mock <IWeakEventManager>();
var bindingFactory = new Mock <IBindingFactory>();
var binding = new Mock <IBinding>();
serviceProvider.Setup(x => x.GetService(typeof(IWeakEventManagerFactory))).Returns(wemf.Object)
.Verifiable();
serviceProvider.Setup(x => x.GetService(typeof(IBindingFactory))).Returns(bindingFactory.Object)
.Verifiable();
wemf.Setup(x => x.Create()).Returns(wem.Object).Verifiable();
bindingFactory.Setup(x => x.Create(It.IsAny <INotifyPropertyChanged>(), It.IsAny <PropertyInfo>(),
It.IsAny <IWeakEventManager>())).Returns(binding.Object).Verifiable();
var component = new TestComponent(serviceProvider.Object);
Should.Throw <BindingException>(() => component.AddBinding(viewModel, x => x.ShouldRender()));
serviceProvider.Verify();
wemf.Verify();
serviceProvider.VerifyNoOtherCalls();
wemf.VerifyNoOtherCalls();
bindingFactory.VerifyNoOtherCalls();
binding.VerifyNoOtherCalls();
wem.VerifyNoOtherCalls();
}
public void AddBinding_SkipsAddingBindingIfAlreadyExists()
{
var viewModel = new TestViewModel();
var serviceProvider = new Mock <IServiceProvider>();
var wemf = new Mock <IWeakEventManagerFactory>();
var wem = new Mock <IWeakEventManager>();
var bindingFactory = new Mock <IBindingFactory>();
var binding = new Mock <IBinding>();
serviceProvider.Setup(x => x.GetService(typeof(IWeakEventManagerFactory))).Returns(wemf.Object)
.Verifiable();
serviceProvider.Setup(x => x.GetService(typeof(IBindingFactory))).Returns(bindingFactory.Object)
.Verifiable();
wemf.Setup(x => x.Create()).Returns(wem.Object).Verifiable();
bindingFactory.Setup(x => x.Create(It.IsAny <INotifyPropertyChanged>(), It.IsAny <PropertyInfo>(),
It.IsAny <IWeakEventManager>())).Returns(binding.Object).Verifiable();
binding.Setup(x => x.GetValue()).Returns("Test").Verifiable();
binding.Setup(x => x.Initialize()).Verifiable();
wem.Setup(x => x.AddWeakEventListener(It.IsAny <IBinding>(), nameof(IBinding.BindingValueChanged),
It.IsAny <Action <IBinding, EventArgs> >())).Verifiable();
var component = new TestComponent(serviceProvider.Object);
var res = component.AddBinding(viewModel, x => x.TestProperty);
res.ShouldBe("Test");
res = component.AddBinding(viewModel, x => x.TestProperty);
res.ShouldBe("Test");
serviceProvider.Verify();
wemf.Verify();
wem.Verify();
bindingFactory.Verify();
binding.Verify();
binding.Verify();
serviceProvider.VerifyNoOtherCalls();
wemf.VerifyNoOtherCalls();
bindingFactory.VerifyNoOtherCalls();
binding.VerifyNoOtherCalls();
wem.VerifyNoOtherCalls();
}
public void Binding_BindingValueChanged_GetsInvoked()
{
var viewModel = new TestViewModel();
var serviceProvider = new Mock <IServiceProvider>();
var wemf = new Mock <IWeakEventManagerFactory>();
var wem = new Mock <IWeakEventManager>();
var bindingFactory = new Mock <IBindingFactory>();
var binding = new Mock <IBinding>();
serviceProvider.Setup(x => x.GetService(typeof(IWeakEventManagerFactory))).Returns(wemf.Object)
.Verifiable();
serviceProvider.Setup(x => x.GetService(typeof(IBindingFactory))).Returns(bindingFactory.Object)
.Verifiable();
wemf.Setup(x => x.Create()).Returns(wem.Object).Verifiable();
wem.Setup(x =>
x.AddWeakEventListener(It.IsAny <IBinding>(), nameof(IBinding.BindingValueChanged),
It.IsAny <Action <IBinding, EventArgs> >()))
.Callback <IBinding, string, Action <IBinding, EventArgs> >((b, e, a) =>
b.BindingValueChanged += (s, args) => a(b, args)).Verifiable();
bindingFactory.Setup(x => x.Create(It.IsAny <INotifyPropertyChanged>(), It.IsAny <PropertyInfo>(),
It.IsAny <IWeakEventManager>())).Returns(binding.Object).Verifiable();
binding.Setup(x => x.GetValue()).Returns("Test").Verifiable();
binding.Setup(x => x.Initialize()).Verifiable();
binding.SetupAdd(m => m.BindingValueChanged += It.IsAny <EventHandler>()).Verifiable();
var bindingChangedInvoked = false;
var component = new TestComponent(serviceProvider.Object)
{
BindingChangedAction = () => bindingChangedInvoked = true
};
var res = component.AddBinding(viewModel, x => x.TestProperty);
binding.Raise(x => x.BindingValueChanged += null, EventArgs.Empty);
res.ShouldBe("Test");
bindingChangedInvoked.ShouldBeTrue();
serviceProvider.Verify();
wemf.Verify();
bindingFactory.Verify();
binding.Verify();
wem.Verify();
serviceProvider.VerifyNoOtherCalls();
wemf.VerifyNoOtherCalls();
bindingFactory.VerifyNoOtherCalls();
binding.VerifyNoOtherCalls();
wem.VerifyNoOtherCalls();
}
public async Task DisposeAsync_RemovesEventListenersForBindings()
{
var viewModel = new TestViewModel();
var serviceProvider = new Mock <IServiceProvider>();
var wemf = new Mock <IWeakEventManagerFactory>();
var wem = new Mock <IWeakEventManager>();
var bindingFactory = new Mock <IBindingFactory>();
var binding = new Mock <IBinding>();
serviceProvider.Setup(x => x.GetService(typeof(IWeakEventManagerFactory))).Returns(wemf.Object)
.Verifiable();
serviceProvider.Setup(x => x.GetService(typeof(IBindingFactory))).Returns(bindingFactory.Object)
.Verifiable();
wemf.Setup(x => x.Create()).Returns(wem.Object).Verifiable();
wem.Setup(x => x.AddWeakEventListener(It.IsAny <IBinding>(), nameof(IBinding.BindingValueChanged),
It.IsAny <Action <IBinding, EventArgs> >())).Verifiable();
wem.Setup(x => x.RemoveWeakEventListener(It.IsAny <IBinding>())).Verifiable();
bindingFactory.Setup(x => x.Create(It.IsAny <INotifyPropertyChanged>(), It.IsAny <PropertyInfo>(),
It.IsAny <IWeakEventManager>())).Returns(binding.Object).Verifiable();
binding.Setup(x => x.GetValue()).Returns("Test").Verifiable();
binding.Setup(x => x.Initialize()).Verifiable();
binding.Setup(x => x.Dispose()).Verifiable();
var component = new TestComponent(serviceProvider.Object);
component.AddBinding(viewModel, x => x.TestProperty);
await component.DisposeAsync();
serviceProvider.Verify();
wemf.Verify();
bindingFactory.Verify();
binding.Verify();
wem.Verify();
serviceProvider.VerifyNoOtherCalls();
wemf.VerifyNoOtherCalls();
bindingFactory.VerifyNoOtherCalls();
binding.VerifyNoOtherCalls();
wem.VerifyNoOtherCalls();
}