public void DataAnnotationsModelMetadataProvider_ReadsScaffoldColumnAttribute_ForShowForEdit()
{
// Arrange
var type = typeof(ScaffoldColumnModel);
var provider = new DataAnnotationsModelMetadataProvider();
// Act & Assert
Assert.True(provider.GetMetadataForProperty(null, type, "NoAttribute").ShowForEdit);
Assert.True(provider.GetMetadataForProperty(null, type, "ScaffoldColumnTrue").ShowForEdit);
Assert.False(provider.GetMetadataForProperty(null, type, "ScaffoldColumnFalse").ShowForEdit);
}
public void GetClientValidationRules_WithMinAndMaxLength_ReturnsValidationParameters()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new StringLengthAttribute(10)
{
MinimumLength = 3
};
var adapter = new StringLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("length", rule.ValidationType);
Assert.Equal(2, rule.ValidationParameters.Count);
Assert.Equal(3, rule.ValidationParameters["min"]);
Assert.Equal(10, rule.ValidationParameters["max"]);
Assert.Equal("The field Length must be a string with a minimum length of 3 and a maximum length of 10.",
rule.ErrorMessage);
}
public void ClientRulesWithMaxLengthAttributeAndCustomMessage()
{
// Arrange
var propertyName = "Length";
var message = "{0} must be at most {1}";
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), propertyName);
var attribute = new MaxLengthAttribute(5)
{
ErrorMessage = message
};
var adapter = new MaxLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("maxlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(5, rule.ValidationParameters["max"]);
Assert.Equal("Length must be at most 5", rule.ErrorMessage);
}
public void ClientRulesWithCompareAttribute_ErrorMessageUsesResourceOverride()
{
if (TestPlatformHelper.IsMono)
{
// ValidationAttribute in Mono does not read non-public resx properties.
return;
}
// Arrange
var metadataProvider = new DataAnnotationsModelMetadataProvider();
var metadata = metadataProvider.GetMetadataForProperty(() => null, typeof(PropertyNameModel), "MyProperty");
var attribute = new CompareAttribute("OtherProperty")
{
ErrorMessageResourceName = "CompareAttributeTestResource",
ErrorMessageResourceType = typeof(Test.Resources),
};
var context = new ClientModelValidationContext(metadata, metadataProvider);
var adapter = new CompareAttributeAdapter(attribute);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("Comparing MyProperty to OtherProperty.", rule.ErrorMessage);
}
public void GetMetadataForProperty_WithBinderMetadataOnPropertyAndType_GetsMetadataFromProperty()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
// Act
var propertyMetadata = provider.GetMetadataForProperty(null, typeof(Person), nameof(Person.GrandParent));
// Assert
Assert.NotNull(propertyMetadata.BinderMetadata);
var attribute = Assert.IsType <NonTypeBasedBinderAttribute>(propertyMetadata.BinderMetadata);
Assert.Equal("GrandParentProperty", propertyMetadata.BinderModelName);
}
public void GetMetadataForProperty_WithNoBinderMetadata_GetsItFromType()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
// Act
var propertyMetadata = provider.GetMetadataForProperty(null, typeof(Person), nameof(Person.Parent));
// Assert
Assert.NotNull(propertyMetadata.BinderMetadata);
var attribute = Assert.IsType <TypeBasedBinderAttribute>(propertyMetadata.BinderMetadata);
Assert.Equal("PersonType", propertyMetadata.BinderModelName);
}
public void ClientRulesWithCompareAttribute_ErrorMessageUsesPropertyName()
{
// Arrange
var metadataProvider = new DataAnnotationsModelMetadataProvider();
var metadata = metadataProvider.GetMetadataForProperty(() => null, typeof(PropertyNameModel), "MyProperty");
var attribute = new CompareAttribute("OtherProperty");
var context = new ClientModelValidationContext(metadata, metadataProvider);
var adapter = new CompareAttributeAdapter(attribute);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("'MyProperty' and 'OtherProperty' do not match.", rule.ErrorMessage);
}
public void GetClientValidationRules_ReturnsValidationParameters()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new RequiredAttribute();
var adapter = new RequiredAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("required", rule.ValidationType);
Assert.Empty(rule.ValidationParameters);
Assert.Equal("The Length field is required.", rule.ErrorMessage);
}
public void ClientRulesWithMaxLengthAttribute()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new MaxLengthAttribute(10);
var adapter = new MaxLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("maxlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(10, rule.ValidationParameters["max"]);
Assert.Equal(attribute.FormatErrorMessage("Length"), rule.ErrorMessage);
}
public void ClientRulesWithMinLengthAttribute()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new MinLengthAttribute(6);
var adapter = new MinLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("minlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(6, rule.ValidationParameters["min"]);
Assert.Equal("The field Length must be a string or array type with a minimum length of '6'.", rule.ErrorMessage);
}
public void GetClientValidationRules_ReturnsValidationParameters()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new RangeAttribute(typeof(decimal), "0", "100");
var adapter = new RangeAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("range", rule.ValidationType);
Assert.Equal(2, rule.ValidationParameters.Count);
Assert.Equal(0m, rule.ValidationParameters["min"]);
Assert.Equal(100m, rule.ValidationParameters["max"]);
Assert.Equal(@"The field Length must be between 0 and 100.", rule.ErrorMessage);
}
private static ModelMetadata GetMetadataForCanUpdateProperty(string propertyName)
{
var metadataProvider = new DataAnnotationsModelMetadataProvider();
return(metadataProvider.GetMetadataForProperty(null, typeof(MyModelTestingCanUpdateProperty), propertyName));
}