public void ProcessDto_ValueTypeProperty_WithRequiredAttribute_SetToNull_NoError()
{
// Arrange
var model = new ModelWithRequired();
var containerMetadata = GetMetadataForType(model.GetType());
var bindingContext = CreateContext(containerMetadata, model);
var dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
var testableBinder = new TestableMutableObjectModelBinder();
// Make Age valid and City invalid.
var propertyMetadata = dto.PropertyMetadata.Single(p => p.PropertyName == "Age");
dto.Results[propertyMetadata] = new ModelBindingResult(
23,
isModelSet: true,
key: "theModel.Age");
propertyMetadata = dto.PropertyMetadata.Single(p => p.PropertyName == "City");
dto.Results[propertyMetadata] = new ModelBindingResult(
null,
isModelSet: true,
key: "theModel.City");
var modelValidationNode = new ModelValidationNode(string.Empty, containerMetadata, model);
// Act
testableBinder.ProcessDto(bindingContext, dto, modelValidationNode);
// Assert
var modelStateDictionary = bindingContext.ModelState;
Assert.True(modelStateDictionary.IsValid);
Assert.Empty(modelStateDictionary);
}
public void ProcessDto_RequiredFieldNull_RaisesModelError()
{
// Arrange
var model = new ModelWithRequired();
var containerMetadata = GetMetadataForType(model.GetType());
var bindingContext = CreateContext(containerMetadata, model);
var dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
var testableBinder = new TestableMutableObjectModelBinder();
// Make Age valid and City invalid.
var propertyMetadata = dto.PropertyMetadata.Single(p => p.PropertyName == "Age");
dto.Results[propertyMetadata] = new ModelBindingResult(
23,
isModelSet: true,
key: "theModel.Age");
propertyMetadata = dto.PropertyMetadata.Single(p => p.PropertyName == "City");
dto.Results[propertyMetadata] = new ModelBindingResult(
null,
isModelSet: true,
key: "theModel.City");
// Act
testableBinder.ProcessDto(bindingContext, dto);
// Assert
var modelStateDictionary = bindingContext.ModelState;
Assert.False(modelStateDictionary.IsValid);
Assert.Single(modelStateDictionary);
// Check City error.
ModelState modelState;
Assert.True(modelStateDictionary.TryGetValue("theModel." + nameof(ModelWithRequired.City), out modelState));
var modelError = Assert.Single(modelState.Errors);
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
var expected = ValidationAttributeUtil.GetRequiredErrorMessage(nameof(ModelWithRequired.City));
Assert.Equal(expected, modelError.ErrorMessage);
}
public void ProcessDto_MissingDataForRequiredFields_NoErrors()
{
// Arrange
var model = new ModelWithRequired();
var containerMetadata = GetMetadataForType(model.GetType());
var bindingContext = CreateContext(containerMetadata, model);
// Set no properties though Age (a non-Nullable struct) and City (a class) properties are required.
var dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
var testableBinder = new TestableMutableObjectModelBinder();
var modelValidationNode = new ModelValidationNode(string.Empty, containerMetadata, model);
// Act
testableBinder.ProcessDto(bindingContext, dto, modelValidationNode);
// Assert
var modelStateDictionary = bindingContext.ModelState;
Assert.True(modelStateDictionary.IsValid);
Assert.Empty(modelStateDictionary);
}
public void ProcessDto_RequiredFieldMissing_RaisesModelError()
{
// Arrange
var model = new ModelWithRequired();
var containerMetadata = GetMetadataForType(model.GetType());
var bindingContext = CreateContext(containerMetadata, model);
// Set no properties though Age (a non-Nullable struct) and City (a class) properties are required.
var dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.ProcessDto(bindingContext, dto);
// Assert
var modelStateDictionary = bindingContext.ModelState;
Assert.False(modelStateDictionary.IsValid);
Assert.Equal(2, modelStateDictionary.Count);
// Check Age error.
ModelState modelState;
Assert.True(modelStateDictionary.TryGetValue("theModel." + nameof(ModelWithRequired.Age), out modelState));
var modelError = Assert.Single(modelState.Errors);
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
var expected = ValidationAttributeUtil.GetRequiredErrorMessage(nameof(ModelWithRequired.Age));
Assert.Equal(expected, modelError.ErrorMessage);
// Check City error.
Assert.True(modelStateDictionary.TryGetValue("theModel." + nameof(ModelWithRequired.City), out modelState));
modelError = Assert.Single(modelState.Errors);
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
expected = ValidationAttributeUtil.GetRequiredErrorMessage(nameof(ModelWithRequired.City));
Assert.Equal(expected, modelError.ErrorMessage);
}