public override string GetErrorMessage(ValidationContext validationContext) {
return LocalizedMessage.Format(validationContext.Property.DisplayName, validationContext.PropertyValue);
}
public async Task ChangeMessageBaseAndAssembly() {
var em1 = await TestFns.NewEm(_serviceName);
var emp = new Employee();
var vr = new RequiredValidator().WithMessage("Model.NorthwindIB.CustomMessages2", typeof (Employee).Assembly);
var dp = emp.EntityAspect.EntityType.GetDataProperty("LastName");
var vc = new ValidationContext(emp, dp, null);
var ve = vr.Validate(vc);
Assert.IsTrue(ve != null);
Assert.IsTrue(ve.Message.Contains("LastName") && ve.Message.Contains("required") &&
ve.Message.Contains("CUSTOM 2"));
Assert.IsTrue(ve.Context.Entity == emp);
Assert.IsTrue(ve.Validator == vr);
Assert.IsTrue(ve.Key != null);
}
protected override bool ValidateCore(ValidationContext context) {
var value = (String) context.PropertyValue;
if (value == null) return true;
return value.StartsWith(CountryAbbrev);
}
public override string GetErrorMessage(ValidationContext validationContext)
{
return LocalizedMessage.ToString();
}
public async Task ChangeMessageString() {
var em1 = await TestFns.NewEm(_serviceName);
var emp = new Employee();
var vr = new RequiredValidator().WithMessage("{0} is bad");
var dp = emp.EntityAspect.EntityType.GetDataProperty("LastName");
var vc = new ValidationContext(emp, dp, null);
var ve = vr.Validate(vc);
Assert.IsTrue(ve != null);
Assert.IsTrue(ve.Message.Contains("LastName") && ve.Message.Contains("bad"));
Assert.IsTrue(ve.Context.Entity == emp);
Assert.IsTrue(ve.Validator == vr);
Assert.IsTrue(ve.Key != null);
}
protected override bool ValidateCore(ValidationContext context)
{
// This validator only validates US Zip Codes.
var entity = context.Entity;
if (entity.GetPropValue<string>("Country") == "USA")
{
var postalCode = entity.GetPropValue<string>("PostalCode");
context.PropertyValue = postalCode;
return IsValidZipCode(postalCode);
}
return true;
}
protected override bool ValidateCore(ValidationContext context)
{
return false;
}
protected override bool ValidateCore(ValidationContext context)
{
var value = (int) context.PropertyValue;
return value != 0;
}
protected override bool ValidateCore(ValidationContext context)
{
var value = (String) context.PropertyValue;
if (value == null) return true; // '== null' matches null and empty string
return value.ToUpper().StartsWith("US");
}
public async Task CustomizeMessageString()
{
var manager = new EntityManager(_serviceName); // new empty EntityManager
await manager.FetchMetadata(); // required before creating a new entity
var customer = new Customer();
var vr = new RequiredValidator().WithMessage("Dude! The {0} is really required ... seriously ... as in mandatory");
var companyNameProp = customer.EntityAspect.EntityType.GetDataProperty("CompanyName");
var context = new ValidationContext(customer, companyNameProp, null);
var error = vr.Validate(context);
Assert.IsTrue(error.Message.Contains("CompanyName") && error.Message.Contains("Dude"), "should be an error containing 'Dude'");
}
public ValidationContext(ValidationContext vc) {
Entity = vc.Entity;
Property = vc.Property;
PropertyValue = vc.PropertyValue;
ComplexObject = vc.ComplexObject;
}
public EntityError Resolve(EntityManager em) {
IsServerError = true;
try {
EntityType entityType = null;
if (EntityTypeName != null) {
var stName = TypeNameInfo.FromClrTypeName(EntityTypeName).ToClient(em.MetadataStore).StructuralTypeName;
entityType = em.MetadataStore.GetEntityType(stName);
var ek = new EntityKey(entityType, KeyValues);
Entity = em.GetEntityByKey(ek);
}
if (entityType != null) {
if (PropertyName != null) {
Property = entityType.Properties.FirstOrDefault(p => p.NameOnServer == PropertyName);
if (Property != null) {
PropertyName = Property.Name;
}
}
var vc = new ValidationContext(this.Entity);
vc.Property = Property;
var veKey = (ErrorName ?? ErrorMessage) + (PropertyName ?? "");
var ve = new ValidationError(null, vc, ErrorMessage, veKey);
ve.IsServerError = true;
this.Entity.EntityAspect.ValidationErrors.Add(ve);
}
} catch (Exception e) {
ErrorMessage = ( ErrorMessage ?? "") + ": Unable to Resolve this error: " + e.Message;
}
return this;
}
