public void ModelBase_MultiFieldValidation()
{
var person = new SimplePerson();
person.FirstName = "Tom";
person.LastName = "Tom";
IList <ValidationResult> errors = person.GetErrors("FirstName");
Assert.AreEqual(1, errors.Count);
Assert.IsTrue(errors[0].MemberNames.Contains("FirstName"));
Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));
errors = person.GetErrors("LastName");
Assert.AreEqual(1, errors.Count);
Assert.IsTrue(errors[0].MemberNames.Contains("LastName"));
Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));
errors = ((INotifyDataErrorInfo)person).GetErrors("LastName").Cast <ValidationResult>().ToList();
Assert.AreEqual(1, errors.Count);
Assert.IsTrue(errors[0].MemberNames.Contains("LastName"));
Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));
errors = person.GetErrors();
Assert.AreEqual(1, errors.Count);
Assert.IsTrue(errors[0].MemberNames.Contains("FirstName"));
Assert.IsTrue(errors[0].MemberNames.Contains("LastName"));
Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));
var interfacePerson = (IDataErrorInfo)person;
Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson.Error));
Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["LastName"]));
}
public void ModelBase_ValidationTest2()
{
using (var verify = new Verify())
{
var person = new SimplePerson();
var eventAssert = new PropertyChangedEventTest(verify, person);
person.Validate();
Assert.IsTrue(person.HasErrors);
eventAssert.ExpectEvent("HasErrors");
var errors = person.GetErrors("FirstName");
Assert.AreEqual(1, errors.Count);
person.ClearErrors();
Assert.IsFalse(person.HasErrors);
var errors2 = person.GetErrors("FirstName");
Assert.AreEqual(0, errors2.Count);
}
}
public void ModelBase_BasicValidation()
{
var person = new SimplePerson();
Assert.IsFalse(person.HasErrors);
var errors = person.GetErrors();
Assert.AreEqual(0, errors.Count);
errors = person.GetErrors("");
Assert.AreEqual(0, errors.Count);
errors = person.GetErrors(null);
Assert.AreEqual(0, errors.Count);
person.Validate();
Assert.IsTrue(person.HasErrors);
errors = person.GetErrors();
Assert.AreEqual(0, errors.Count);
errors = person.GetErrors("FirstName");
Assert.AreEqual(1, errors.Count);
Assert.AreEqual("FirstName", errors[0].MemberNames.First());
Assert.IsFalse(string.IsNullOrEmpty(errors[0].ErrorMessage));
#if !WINDOWS_UWP
var interfacePerson = (IDataErrorInfo)person;
Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson.Error));
Assert.IsTrue(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
#endif
person.FirstName = "Tom";
Assert.IsFalse(person.HasErrors);
errors = person.GetErrors();
Assert.AreEqual(0, errors.Count);
errors = person.GetErrors("FirstName");
Assert.AreEqual(0, errors.Count);
#if !WINDOWS_UWP
Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson.Error));
Assert.IsFalse(!string.IsNullOrEmpty(interfacePerson["FirstName"]));
#endif
}