private static void TwoWayAssertions(MvxFullBinding binding, MockTargetBinding mockTarget, MockSourceBinding mockSource)
{
Assert.Equal(1, mockTarget.SubscribeToEventsCalled);
Assert.Single(mockTarget.Values);
Assert.Equal("TryGetValueValue", mockTarget.Values[0]);
mockSource.TryGetValueValue = "SecondValue";
mockSource.FireSourceChanged();
Assert.Equal(2, mockTarget.Values.Count);
Assert.Equal("SecondValue", mockTarget.Values[1]);
mockSource.TryGetValueValue = "ThirdValue";
mockSource.FireSourceChanged();
Assert.Equal(3, mockTarget.Values.Count);
Assert.Equal("ThirdValue", mockTarget.Values[2]);
Assert.Empty(mockSource.ValuesSet);
mockTarget.FireValueChanged(new MvxTargetChangedEventArgs("FromTarget1"));
Assert.Single(mockSource.ValuesSet);
Assert.Equal("FromTarget1", mockSource.ValuesSet[0]);
mockTarget.FireValueChanged(new MvxTargetChangedEventArgs("FromTarget2"));
Assert.Equal(2, mockSource.ValuesSet.Count);
Assert.Equal("FromTarget2", mockSource.ValuesSet[1]);
Assert.Equal(0, mockSource.DisposeCalled);
Assert.Equal(0, mockTarget.DisposeCalled);
binding.DataContext = new { ignored = 12 };
Assert.Equal(1, mockSource.DisposeCalled);
Assert.Equal(0, mockTarget.DisposeCalled);
Assert.Equal(4, mockTarget.Values.Count);
Assert.Equal("ThirdValue", mockTarget.Values[3]);
binding.DataContext = new { ignored = 13 };
Assert.Equal(2, mockSource.DisposeCalled);
Assert.Equal(0, mockTarget.DisposeCalled);
Assert.Equal(5, mockTarget.Values.Count);
Assert.Equal("ThirdValue", mockTarget.Values[4]);
mockSource.TryGetValueValue = "NewValue";
mockSource.FireSourceChanged();
Assert.Equal(6, mockTarget.Values.Count);
Assert.Equal("NewValue", mockTarget.Values[5]);
mockTarget.FireValueChanged(new MvxTargetChangedEventArgs("FromTarget1"));
Assert.Equal(3, mockSource.ValuesSet.Count);
Assert.Equal("FromTarget1", mockSource.ValuesSet[2]);
mockTarget.FireValueChanged(new MvxTargetChangedEventArgs("FromTarget2"));
Assert.Equal(4, mockSource.ValuesSet.Count);
Assert.Equal("FromTarget2", mockSource.ValuesSet[3]);
binding.Dispose();
Assert.Equal(3, mockSource.DisposeCalled);
Assert.Equal(1, mockTarget.DisposeCalled);
}
// 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)
{
ClearAll();
var mockSourceBindingFactory = new Mock <IMvxSourceBindingFactory>();
Ioc.RegisterSingleton(mockSourceBindingFactory.Object);
var mockTargetBindingFactory = new Mock <IMvxTargetBindingFactory>();
Ioc.RegisterSingleton(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());
}
private MvxFullBinding TestSetupCommon(IMvxValueConverter valueConverter, object converterParameter, object fallbackValue,
Type targetType, out MockSourceBinding mockSource, out MockTargetBinding mockTarget)
{
ClearAll();
MvxBindingSingletonCache.Initialize();
var mockSourceBindingFactory = new Mock <IMvxSourceBindingFactory>();
Ioc.RegisterSingleton(mockSourceBindingFactory.Object);
var mockTargetBindingFactory = new Mock <IMvxTargetBindingFactory>();
Ioc.RegisterSingleton(mockTargetBindingFactory.Object);
var realSourceStepFactory = new MvxSourceStepFactory();
realSourceStepFactory.AddOrOverwrite(typeof(MvxPathSourceStepDescription), new MvxPathSourceStepFactory());
Ioc.RegisterSingleton <IMvxSourceStepFactory>(realSourceStepFactory);
var sourceText = "sourceText";
var targetName = "targetName";
var source = new { Value = 1 };
var target = new { Value = 2 };
var bindingDescription = new MvxBindingDescription
{
Source = new MvxPathSourceStepDescription()
{
Converter = valueConverter,
ConverterParameter = converterParameter,
FallbackValue = fallbackValue,
SourcePropertyPath = sourceText,
},
Mode = MvxBindingMode.TwoWay,
TargetName = targetName
};
mockSource = new MockSourceBinding();
mockTarget = new MockTargetBinding()
{
TargetType = targetType
};
mockTarget.DefaultMode = MvxBindingMode.TwoWay;
var localSource = mockSource;
mockSourceBindingFactory
.Setup(x => x.CreateBinding(It.IsAny <object>(), It.Is <string>(s => s == sourceText)))
.Returns((object a, string b) => localSource);
var localTarget = mockTarget;
mockTargetBindingFactory
.Setup(x => x.CreateBinding(It.IsAny <object>(), It.Is <string>(s => s == targetName)))
.Returns((object a, string b) => localTarget);
mockSource.TryGetValueResult = true;
mockSource.TryGetValueValue = "TryGetValueValue";
var request = new MvxBindingRequest(source, target, bindingDescription);
var toTest = new MvxFullBinding(request);
return(toTest);
}
private MvxFullBinding TestSetupCommon(MvxBindingMode mvxBindingMode, MvxBindingMode defaultMode,
out MockSourceBinding mockSource, out MockTargetBinding mockTarget)
{
_fixture.ClearAll();
_fixture.Ioc.RegisterSingleton <IMvxMainThreadDispatcher>(new InlineMockMainThreadDispatcher());
var mockSourceBindingFactory = new Mock <IMvxSourceBindingFactory>();
_fixture.Ioc.RegisterSingleton(mockSourceBindingFactory.Object);
var mockTargetBindingFactory = new Mock <IMvxTargetBindingFactory>();
_fixture.Ioc.RegisterSingleton(mockTargetBindingFactory.Object);
var realSourceStepFactory = new MvxSourceStepFactory();
realSourceStepFactory.AddOrOverwrite(typeof(MvxPathSourceStepDescription), new MvxPathSourceStepFactory());
_fixture.Ioc.RegisterSingleton <IMvxSourceStepFactory>(realSourceStepFactory);
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 bindingDescription = new MvxBindingDescription
{
Source = new MvxPathSourceStepDescription
{
Converter = null,
ConverterParameter = converterParameter,
FallbackValue = fallbackValue,
SourcePropertyPath = sourceText,
},
Mode = mvxBindingMode,
TargetName = targetName
};
mockSource = new MockSourceBinding();
mockTarget = new MockTargetBinding {
DefaultMode = defaultMode
};
var localSource = mockSource;
mockSourceBindingFactory
.Setup(x => x.CreateBinding(It.IsAny <object>(), It.Is <string>(s => s == sourceText)))
.Returns((object a, string b) => localSource);
var localTarget = mockTarget;
mockTargetBindingFactory
.Setup(x => x.CreateBinding(It.IsAny <object>(), It.Is <string>(s => s == targetName)))
.Returns((object a, string b) => localTarget);
mockSource.TryGetValueResult = true;
mockSource.TryGetValueValue = "TryGetValueValue";
var request = new MvxBindingRequest(source, target, bindingDescription);
var toTest = new MvxFullBinding(request);
return(toTest);
}
