public void ModelStateDictionary_AddsCustomErrorMessage_WhenModelStateSet()
{
// Arrange
var expected = "Hmm, the value 'some value' is not valid for Length.";
var dictionary = new ModelStateDictionary();
dictionary.SetModelValue("key", new string[] { "some value" }, "some value");
var bindingMetadataProvider = new DefaultBindingMetadataProvider();
var compositeProvider = new DefaultCompositeMetadataDetailsProvider(new[] { bindingMetadataProvider });
var optionsAccessor = new OptionsAccessor();
optionsAccessor.Value.ModelBindingMessageProvider.AttemptedValueIsInvalidAccessor =
(value, name) => $"Hmm, the value '{ value }' is not valid for { name }.";
var provider = new DefaultModelMetadataProvider(compositeProvider, optionsAccessor);
var metadata = provider.GetMetadataForProperty(typeof(string), nameof(string.Length));
// Act
dictionary.TryAddModelError("key", new FormatException(), metadata);
// Assert
var entry = Assert.Single(dictionary);
Assert.Equal("key", entry.Key);
var error = Assert.Single(entry.Value.Errors);
Assert.Equal(expected, error.ErrorMessage);
}
public void ModelStateDictionary_AddsCustomErrorMessage_WhenModelStateSet()
{
// Arrange
var expected = "Hmm, the value 'some value' is not valid for Length.";
var dictionary = new ModelStateDictionary();
dictionary.SetModelValue("key", new string[] { "some value" }, "some value");
var messageProvider = new ModelBindingMessageProvider
{
MissingBindRequiredValueAccessor = name => "Unexpected MissingBindRequiredValueAccessor use",
MissingKeyOrValueAccessor = () => "Unexpected MissingKeyOrValueAccessor use",
ValueMustNotBeNullAccessor = value => "Unexpected ValueMustNotBeNullAccessor use",
AttemptedValueIsInvalidAccessor =
(value, name) => $"Hmm, the value '{ value }' is not valid for { name }.",
UnknownValueIsInvalidAccessor = name => "Unexpected InvalidValueWithUnknownAttemptedValueAccessor use",
ValueIsInvalidAccessor = value => "Unexpected InvalidValueWithUnknownModelErrorAccessor use",
ValueMustBeANumberAccessor = name => "Unexpected ValueMustBeANumberAccessor use",
};
var bindingMetadataProvider = new DefaultBindingMetadataProvider(messageProvider);
var compositeProvider = new DefaultCompositeMetadataDetailsProvider(new[] { bindingMetadataProvider });
var provider = new DefaultModelMetadataProvider(compositeProvider);
var metadata = provider.GetMetadataForProperty(typeof(string), nameof(string.Length));
// Act
dictionary.TryAddModelError("key", new FormatException(), metadata);
// Assert
var entry = Assert.Single(dictionary);
Assert.Equal("key", entry.Key);
var error = Assert.Single(entry.Value.Errors);
Assert.Equal(expected, error.ErrorMessage);
}
protected ModelValidationContext GetMockedValidationContextForModel(object model, object container = null)
{
var actionContext = ValidatorUtils.CreateActionContext();
var options = _provider.GetRequiredService <IOptions <MvcOptions> >();
var provider = new DefaultModelMetadataProvider(_compositeMetadataDetailsProvider, options);
var metadata = provider.GetMetadataForProperty(typeof(RequiredModel).GetProperty("Summary"), typeof(RequiredModel));
var context = new ModelValidationContext(actionContext, metadata, provider, container, model);
return(context);
}
protected ModelValidationContext GetModelValidationContextWithoutContainer(ValidatableSampleModel model)
{
var options = _provider.GetRequiredService <IOptions <MvcOptions> >();
var actionContext = ValidatorUtils.CreateActionContext();
var provider = new DefaultModelMetadataProvider(_compositeMetadataDetailsProvider, options);
var metadata = provider.GetMetadataForProperty(
typeof(ValidatableSampleModelContainer),
nameof(ValidatableSampleModelContainer.SampleModel));
var context = new ModelValidationContext(actionContext, metadata, provider, null, model);
return(context);
}
protected ModelExpression MakeExpression <TModel>(TModel viewModel, string propertyName, object propertyContent)
{
var containerType = viewModel.GetType();
var m3 = ServiceProvider.GetService <ModelExpressionProvider>();
var compositeMetadataDetailsProvider = ServiceProvider.GetService <ICompositeMetadataDetailsProvider>();
var metadataProvider = new DefaultModelMetadataProvider(compositeMetadataDetailsProvider);
var containerMetadata = metadataProvider.GetMetadataForType(containerType);
var containerExplorer = metadataProvider.GetModelExplorerForType(containerType, viewModel);
var propertyMetadata = metadataProvider.GetMetadataForProperty(containerType, propertyName);
var modelExplorer = containerExplorer.GetExplorerForExpression(propertyMetadata, propertyContent);
return(new ModelExpression(propertyName, modelExplorer));
}
public void ModelStateDictionary_AddsCustomErrorMessage_WhenModelStateSet()
{
// Arrange
var expected = "Hmm, the value 'some value' is not valid for Length.";
var dictionary = new ModelStateDictionary();
dictionary.SetModelValue("key", new string[] { "some value" }, "some value");
var messageProvider = new ModelBindingMessageProvider
{
MissingBindRequiredValueAccessor = name => "Unexpected MissingBindRequiredValueAccessor use",
MissingKeyOrValueAccessor = () => "Unexpected MissingKeyOrValueAccessor use",
ValueMustNotBeNullAccessor = value => "Unexpected ValueMustNotBeNullAccessor use",
AttemptedValueIsInvalidAccessor =
(value, name) => $"Hmm, the value '{ value }' is not valid for { name }.",
UnknownValueIsInvalidAccessor = name => "Unexpected InvalidValueWithUnknownAttemptedValueAccessor use",
ValueIsInvalidAccessor = value => "Unexpected InvalidValueWithUnknownModelErrorAccessor use",
ValueMustBeANumberAccessor = name => "Unexpected ValueMustBeANumberAccessor use",
};
var bindingMetadataProvider = new DefaultBindingMetadataProvider(messageProvider);
var compositeProvider = new DefaultCompositeMetadataDetailsProvider(new[] { bindingMetadataProvider });
var provider = new DefaultModelMetadataProvider(compositeProvider);
var metadata = provider.GetMetadataForProperty(typeof(string), nameof(string.Length));
// Act
dictionary.TryAddModelError("key", new FormatException(), metadata);
// Assert
var entry = Assert.Single(dictionary);
Assert.Equal("key", entry.Key);
var error = Assert.Single(entry.Value.Errors);
Assert.Equal(expected, error.ErrorMessage);
}
