public void BinderShouldBindValues() {
var controllerContext = new ControllerContext();
var binders = new ModelBinderDictionary {
{ typeof(Foo), new DefaultModelBinder() }
};
var input = new FormCollection {
{ "fooInstance[Bar1].Value", "bar1value" },
{ "fooInstance[Bar2].Value", "bar2value" }
};
var foos = new[] {
new Foo {Name = "Bar1", Value = "uno"},
new Foo {Name = "Bar2", Value = "dos"},
new Foo {Name = "Bar3", Value = "tres"},
};
var providers = new EmptyModelMetadataProvider();
var bindingContext = new ModelBindingContext {
ModelMetadata = providers.GetMetadataForType(() => foos, foos.GetType()),
ModelName = "fooInstance",
ValueProvider = input.ToValueProvider()
};
var binder = new KeyedListModelBinder<Foo>(binders, providers, foo => foo.Name);
var result = (IList<Foo>)binder.BindModel(controllerContext, bindingContext);
Assert.That(result.Count, Is.EqualTo(3));
Assert.That(result[0].Value, Is.EqualTo("bar1value"));
Assert.That(result[1].Value, Is.EqualTo("bar2value"));
}
public void OnMetadataCreated_SetsAdditionalValuesKey() {
// Arrange
ModelMetadata metadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(object));
metadata.AdditionalValues["someKey"] = "oldValue";
AdditionalMetadataAttribute attr = new AdditionalMetadataAttribute("someKey", "newValue");
// Act
((IMetadataAware)attr).OnMetadataCreated(metadata);
// Assert
Assert.AreEqual("newValue", metadata.AdditionalValues["someKey"]);
}
public void BindModel() {
// Arrange
ControllerContext controllerContext = new ControllerContext();
MyModel model = new MyModel();
ModelMetadata modelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(() => model, typeof(MyModel));
ComplexModelDto dto = new ComplexModelDto(modelMetadata, modelMetadata.Properties);
Mock<IExtensibleModelBinder> mockStringBinder = new Mock<IExtensibleModelBinder>();
mockStringBinder
.Expect(b => b.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(string), mbc.ModelType);
Assert.AreEqual("theModel.StringProperty", mbc.ModelName);
mbc.ValidationNode = new ModelValidationNode(mbc.ModelMetadata, "theModel.StringProperty");
mbc.Model = "someStringValue";
return true;
});
Mock<IExtensibleModelBinder> mockIntBinder = new Mock<IExtensibleModelBinder>();
mockIntBinder
.Expect(b => b.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(int), mbc.ModelType);
Assert.AreEqual("theModel.IntProperty", mbc.ModelName);
mbc.ValidationNode = new ModelValidationNode(mbc.ModelMetadata, "theModel.IntProperty");
mbc.Model = 42;
return true;
});
Mock<IExtensibleModelBinder> mockDateTimeBinder = new Mock<IExtensibleModelBinder>();
mockDateTimeBinder
.Expect(b => b.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(DateTime), mbc.ModelType);
Assert.AreEqual("theModel.DateTimeProperty", mbc.ModelName);
return false;
});
ModelBinderProviderCollection binders = new ModelBinderProviderCollection();
binders.RegisterBinderForType(typeof(string), mockStringBinder.Object, true /* suppressPrefixCheck */);
binders.RegisterBinderForType(typeof(int), mockIntBinder.Object, true /* suppressPrefixCheck */);
binders.RegisterBinderForType(typeof(DateTime), mockDateTimeBinder.Object, true /* suppressPrefixCheck */);
ExtensibleModelBindingContext parentBindingContext = new ExtensibleModelBindingContext() {
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(() => dto, typeof(ComplexModelDto)),
ModelName = "theModel",
ModelBinderProviders = binders
};
ComplexModelDtoModelBinder binder = new ComplexModelDtoModelBinder();
// Act
bool retVal = binder.BindModel(controllerContext, parentBindingContext);
// Assert
Assert.IsTrue(retVal);
Assert.AreEqual(dto, parentBindingContext.Model, "The return model should have been the original DTO.");
ComplexModelDtoResult stringDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(string)).First()];
Assert.AreEqual("someStringValue", stringDtoResult.Model);
Assert.AreEqual("theModel.StringProperty", stringDtoResult.ValidationNode.ModelStateKey);
ComplexModelDtoResult intDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(int)).First()];
Assert.AreEqual(42, intDtoResult.Model);
Assert.AreEqual("theModel.IntProperty", intDtoResult.ValidationNode.ModelStateKey);
ComplexModelDtoResult dateTimeDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(DateTime)).First()];
Assert.IsNull(dateTimeDtoResult);
}
private static ModelValidationNode GetValidationNode()
{
EmptyModelMetadataProvider provider = new EmptyModelMetadataProvider();
ModelMetadata metadata = provider.GetMetadataForType(null, typeof(object));
return new ModelValidationNode(metadata, "someKey");
}
private static ModelMetadata GetModelMetadata() {
EmptyModelMetadataProvider provider = new EmptyModelMetadataProvider();
return provider.GetMetadataForType(null, typeof(object));
}
public void Validate_SkipsRemainingValidationIfModelStateIsInvalid() {
// Because a property validator fails, the model validator shouldn't run
// Arrange
List<string> log = new List<string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "InvalidStringProperty");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.InvalidStringProperty"));
node.Validating += delegate {
log.Add("In OnValidating()");
};
node.Validated += delegate {
log.Add("In OnValidated()");
};
// Act
node.Validate(controllerContext);
// Assert
CollectionAssert.AreEqual(
new string[] { "In OnValidating()", "In IDataErrorInfo.get_Item('InvalidStringProperty')", "In OnValidated()" },
log);
Assert.AreEqual("Sample error message", controllerContext.Controller.ViewData.ModelState["theKey.InvalidStringProperty"].Errors[0].ErrorMessage);
}
public void Validate_Ordering() {
// Proper order of invocation:
// 1. OnValidating()
// 2. Child validators
// 3. This validator
// 4. OnValidated()
// Arrange
List<string> log = new List<string>();
LoggingDataErrorInfoModel model = new LoggingDataErrorInfoModel(log);
ModelMetadata modelMetadata = GetModelMetadata(model);
ControllerContext controllerContext = new ControllerContext() {
Controller = new EmptyController()
};
ModelValidationNode node = new ModelValidationNode(modelMetadata, "theKey");
ModelMetadata childMetadata = new EmptyModelMetadataProvider().GetMetadataForProperty(() => model, model.GetType(), "ValidStringProperty");
node.ChildNodes.Add(new ModelValidationNode(childMetadata, "theKey.ValidStringProperty"));
node.Validating += delegate {
log.Add("In OnValidating()");
};
node.Validated += delegate {
log.Add("In OnValidated()");
};
// Act
node.Validate(controllerContext);
// Assert
CollectionAssert.AreEqual(
new string[] { "In OnValidating()", "In IDataErrorInfo.get_Item('ValidStringProperty')", "In IDataErrorInfo.get_Error()", "In OnValidated()" },
log);
}
public ControllerData(Type type) {
var metadataProvider = new EmptyModelMetadataProvider();
this.Properties =
(from p in type.GetProperties()
let attr = p.GetCustomAttributes(typeof(FromRouteAttr), inherit: true)
.Cast<FromRouteAttr>()
.SingleOrDefault()
where attr != null
select new PropertyData(
property: p,
attribute: attr,
metadata: metadataProvider.GetMetadataForType(null, p.PropertyType)
)).ToArray();
}