private Mock <IMetadataAwareValueProvider> GetMockValueProvider(IValueProviderMetadata metadata)
{
var valueProvider = new Mock <IMetadataAwareValueProvider>();
valueProvider.Setup(o => o.Filter(metadata))
.Returns(valueProvider.Object);
return(valueProvider);
}
public virtual IValueProvider Filter(IValueProviderMetadata valueBinderMetadata)
{
if (valueBinderMetadata is TBinderMetadata)
{
return(this);
}
return(null);
}
public void FilterReturnsItself_ForAnyClassRegisteredAsGenericParam(IValueProviderMetadata metadata)
{
// Arrange
var valueProvider = new ReadableStringCollectionValueProvider <TestValueProviderMetadata>(_backingStore, null);
// Act
var result = valueProvider.Filter(metadata);
// Assert
Assert.NotNull(result);
Assert.IsType <ReadableStringCollectionValueProvider <TestValueProviderMetadata> >(result);
}
public void FilterReturnsItself_ForAnyClassRegisteredAsGenericParam(IValueProviderMetadata metadata)
{
// Arrange
var values = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
var provider = new DictionaryBasedValueProvider <TestValueProviderMetadata>(values);
// Act
var result = provider.Filter(metadata);
// Assert
Assert.NotNull(result);
Assert.IsType <DictionaryBasedValueProvider <TestValueProviderMetadata> >(result);
}
public IValueProvider Filter(IValueProviderMetadata valueBinderMetadata)
{
var filteredValueProviders = new List <IValueProvider>();
foreach (var valueProvider in this.OfType <IMetadataAwareValueProvider>())
{
var result = valueProvider.Filter(valueBinderMetadata);
if (result != null)
{
filteredValueProviders.Add(result);
}
}
return(new CompositeValueProvider(filteredValueProviders));
}
public void FilterReturnsItself_ForAnyClassRegisteredAsGenericParam(IValueProviderMetadata metadata)
{
// Arrange
var values = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
var unrelatedMetadata = new UnrelatedValueBinderMetadata();
var valueProvider1 = GetMockValueProvider(metadata);
var valueProvider2 = GetMockValueProvider(unrelatedMetadata);
var provider = new CompositeValueProvider(new List <IValueProvider>()
{
valueProvider1.Object, valueProvider2.Object
});
// Act
var result = provider.Filter(metadata);
// Assert
var valueProvider = Assert.IsType <CompositeValueProvider>(result);
var filteredProvider = Assert.Single(valueProvider);
// should not be unrelated metadata.
Assert.Same(valueProvider1.Object, filteredProvider);
}
