public IMvxUpdateableBinding BindSingle(object source, object target, string targetPropertyName,
string partialBindingDescription)
{
var bindingDescription = this.GetService<IMvxBindingDescriptionParser>().ParseSingle(partialBindingDescription);
if (bindingDescription == null)
return null;
bindingDescription.TargetName = targetPropertyName;
var request = new MvxBindingRequest(source, target, bindingDescription);
return BindSingle(request);
}
public MvxFullBinding(MvxBindingRequest bindingRequest)
{
_bindingDescription = bindingRequest.Description;
CreateTargetBinding(bindingRequest.Target);
CreateSourceBinding(bindingRequest.Source);
}
// TODO: need to test other things like:
// - event subscription (hard to do through Moq)
// - use of valueConverter
// - one time subscription
// - fallback values
// - setup again on DataContext change
// - dispose mechanism
private void TestCommon(MvxBindingMode bindingMode, bool expectSourceBinding, bool expectTargetBinding)
{
var mockSourceBindingFactory = new Mock<IMvxSourceBindingFactory>();
Ioc.RegisterServiceInstance<IMvxSourceBindingFactory>(mockSourceBindingFactory.Object);
var mockTargetBindingFactory = new Mock<IMvxTargetBindingFactory>();
Ioc.RegisterServiceInstance<IMvxTargetBindingFactory>(mockTargetBindingFactory.Object);
var sourceText = "sourceText";
var targetName = "targetName";
var source = new {Value = 1};
var target = new {Value = 2};
var converterParameter = new {Value = 3};
var fallbackValue = new {Value = 4};
var converter = new Mock<IMvxValueConverter>();
var bindingDescription = new MvxBindingDescription()
{
Converter = converter.Object,
ConverterParameter = converterParameter,
FallbackValue = fallbackValue,
Mode = bindingMode,
SourcePropertyPath = sourceText,
TargetName = targetName
};
var mockSourceBinding = new Mock<IMvxSourceBinding>();
var mockTargetBinding = new Mock<IMvxTargetBinding>();
mockSourceBindingFactory
.Setup(x => x.CreateBinding(It.Is<object>(s => s == source), It.Is<string>(s => s == sourceText)))
.Returns((object a, string b) => mockSourceBinding.Object);
mockTargetBindingFactory
.Setup(x => x.CreateBinding(It.Is<object>(s => s == target), It.Is<string>(s => s == targetName)))
.Returns((object a, string b) => mockTargetBinding.Object);
var request = new MvxBindingRequest(source, target, bindingDescription);
var toTest = new MvxFullBinding(request);
//var sourceBindingTimes = expectSourceBinding ? Times.Once() : Times.Never();
//mockSourceBinding.Verify(x => x.Changed += It.IsAny<EventHandler<MvxSourcePropertyBindingEventArgs>>(), sourceBindingTimes);
mockSourceBindingFactory
.Verify(x => x.CreateBinding(It.Is<object>(s => s == source), It.Is<string>(s => s == sourceText)), Times.Once());
//var targetBindingTimes = expectSourceBinding ? Times.Once() : Times.Never();
//mockTargetBinding.Verify(x => x.ValueChanged += It.IsAny<EventHandler<MvxTargetChangedEventArgs>>(), targetBindingTimes);
mockTargetBindingFactory
.Verify(x => x.CreateBinding(It.Is<object>(s => s == target), It.Is<string>(s => s == targetName)), Times.Once());
}
public MyBinding(MvxBindingRequest bindingRequest)
: base(bindingRequest)
{
}
public IMvxUpdateableBinding BindSingle(MvxBindingRequest bindingRequest)
{
return new MvxFullBinding(bindingRequest);
}