public async Task CanCreateModel_ReturnsTrue_IfNotIsTopLevelObject_BasedOnValueAvailability(
bool valueAvailable)
{
// Arrange
var mockValueProvider = new Mock<IValueProvider>(MockBehavior.Strict);
mockValueProvider
.Setup(provider => provider.ContainsPrefixAsync("SimpleContainer.Simple.Name"))
.Returns(Task.FromResult(valueAvailable));
var typeMetadata = GetMetadataForType(typeof(SimpleContainer));
var modelMetadata = typeMetadata.Properties[nameof(SimpleContainer.Simple)];
var bindingContext = new MutableObjectBinderContext
{
ModelBindingContext = new ModelBindingContext
{
ModelMetadata = modelMetadata,
ModelName = "SimpleContainer.Simple",
OperationBindingContext = new OperationBindingContext
{
ValidatorProvider = Mock.Of<IModelValidatorProvider>(),
ValueProvider = mockValueProvider.Object,
MetadataProvider = TestModelMetadataProvider.CreateDefaultProvider(),
},
ValueProvider = mockValueProvider.Object,
},
PropertyMetadata = modelMetadata.Properties,
};
var mutableBinder = new MutableObjectModelBinder();
// Act
var result = await mutableBinder.CanCreateModel(bindingContext);
// Assert
// Result matches whether first Simple property can bind.
Assert.Equal(valueAvailable, result);
}
public async Task CanCreateModel_ReturnsFalse_IfNotIsTopLevelObjectAndModelIsMarkedWithBinderMetadata()
{
// Get the property metadata so that it is not a top level object.
var modelMetadata = GetMetadataForType(typeof(Document))
.Properties
.First(metadata => metadata.PropertyName == nameof(Document.SubDocument));
var bindingContext = new MutableObjectBinderContext
{
ModelBindingContext = new ModelBindingContext
{
ModelMetadata = modelMetadata,
OperationBindingContext = new OperationBindingContext
{
ValidatorProvider = Mock.Of<IModelValidatorProvider>(),
},
BindingSource = modelMetadata.BindingSource,
BinderModelName = modelMetadata.BinderModelName,
}
};
var mutableBinder = new MutableObjectModelBinder();
// Act
var canCreate = await mutableBinder.CanCreateModel(bindingContext);
// Assert
Assert.False(canCreate);
}
public async Task CanCreateModel_ReturnsTrue_IfIsTopLevelObjectAndModelIsMarkedWithBinderMetadata()
{
var bindingContext = new MutableObjectBinderContext
{
ModelBindingContext = new ModelBindingContext
{
// Here the metadata represents a top level object.
IsTopLevelObject = true,
ModelMetadata = GetMetadataForType(typeof(Document)),
OperationBindingContext = new OperationBindingContext
{
ValidatorProvider = Mock.Of<IModelValidatorProvider>(),
}
}
};
var mutableBinder = new MutableObjectModelBinder();
// Act
var canCreate = await mutableBinder.CanCreateModel(bindingContext);
// Assert
Assert.True(canCreate);
}