public void ForenameRule_ShouldMatchEFModelConfiguration()
{
var validator = new CustomerValidator();
// Get the rules for the Forename field in the CustomerValidator
var foreNameLengthValidator = validator
.GetValidatorsForMember(t => t.Forename).OfType <MaximumLengthValidator>().First();
var foreNameNotEmptyValidator = validator
.GetValidatorsForMember(t => t.Forename).OfType <NotEmptyValidator>().FirstOrDefault();
// Get the EF EntityTypeBuilder<T> for our Customer entity
var entityTypeBuilder = TestExtensions
.GetEntityTypeBuilder <Customer, CustomerEntityTypeConfiguration>();
var foreNameDbProperty = entityTypeBuilder.Metadata.FindDeclaredProperty(nameof(Customer.Forename));
// Rule Should have the same length as EF Configuration
Assert.Equal(foreNameDbProperty.GetMaxLength(), foreNameLengthValidator.Max);
// If the Column is required (NOTNULL) in the EF configuration, the rule should exist
if (!foreNameDbProperty.IsColumnNullable())
{
Assert.NotNull(foreNameNotEmptyValidator);
}
else
{
Assert.Null(foreNameNotEmptyValidator);
}
}
public void Validator_MaxLengthRules_ShouldHaveSameLengthAsEfEntity()
{
// We want to test all length of these fields
var propertiesToValidate = new string[]
{
nameof(Customer.Surname),
nameof(Customer.Forename),
nameof(Customer.Address),
};
var entityTypeBuilder = TestExtensions
.GetEntityTypeBuilder <Customer, CustomerEntityTypeConfiguration>();
// Get the validators for the fields above
Dictionary <string, LengthValidator> validatorsDict = propertiesToValidate
.Select(p => new { Key = p, Validator = _sut.GetValidatorsForMember(p).OfType <LengthValidator>().First() })
.ToDictionary(key => key.Key, value => value.Validator);
// Get the database metadata for each field as configured in EF Core
Dictionary <string, IMutableProperty> expectedDbProperties = propertiesToValidate
.Select(p => new { Key = p, FieldMetadata = entityTypeBuilder.Metadata.FindDeclaredProperty(p) })
.ToDictionary(key => key.Key, value => value.FieldMetadata);
foreach (var propValidator in validatorsDict)
{
// grab the db metadata by the field name
var expectedDbMetadata = expectedDbProperties[propValidator.Key];
// Validator Length and Db should have the same values
Assert.Equal(expectedDbMetadata.GetMaxLength(), propValidator.Value.Max);
}
}