/// <summary>
/// Provides a basic sanity check that a change item is well formed.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="context">The context.</param>
/// <returns>
/// <see cref="P:System.ComponentModel.DataAnnotations.ValidationResult.Success"/>
/// if the change is valid; otherwise, a ValidationResult
/// denoting the reason the change failed validation.
/// </returns>
public static ValidationResult SanityCheck(ChangeItem item, ValidationContext context)
{
switch (item.Action)
{
case ChangeAction.Create:
if (item.GetBFIM() != null)
return new ValidationResult("BFIM not permitted for new entries.", new[] { "BFIM" });
if (item.GetAFIM() == null)
return new ValidationResult("AFIM required for new entries.", new[] { "AFIM" });
break;
case ChangeAction.Update:
if (item.GetBFIM() == null)
return new ValidationResult("BFIM required for update entries.", new[] { "BFIM" });
if (item.GetAFIM() == null)
return new ValidationResult("AFIM required for update entries.", new[] { "AFIM" });
break;
case ChangeAction.Delete:
if (item.GetBFIM() == null)
return new ValidationResult("BFIM required for new entries.", new[] { "BFIM" });
if (item.GetAFIM() != null)
return new ValidationResult("AFIM not permitted for new entries.", new[] { "AFIM" });
break;
default:
return new ValidationResult("Invalid change action", new[] { "Action" });
}
return ValidationResult.Success;
}
public void Invalid_update_without_afim_fails_validation()
{
var ctx = A.Dummy<ValidationContext>();
var item = new ChangeItem<object>(ChangeAction.Update, A.Dummy<object>(), null);
var result = ChangeValidator.SanityCheck(item, ctx);
Assert.AreNotEqual(ValidationResult.Success, result);
Assert.IsTrue(result.MemberNames.Contains("AFIM"));
}
public void Invalid_action_fails_validation()
{
var ctx = A.Dummy<ValidationContext>();
var item = new ChangeItem<object>((ChangeAction)(42), A.Dummy<object>(), A.Dummy<object>());
var result = ChangeValidator.SanityCheck(item, ctx);
Assert.AreNotEqual(ValidationResult.Success, result);
Assert.IsTrue(result.MemberNames.Contains("Action"));
}
public void Valid_create_passes_validation()
{
var ctx = A.Dummy<ValidationContext>();
var item = new ChangeItem<object>(ChangeAction.Create, null, A.Dummy<object>());
var result = ChangeValidator.SanityCheck(item, ctx);
Assert.AreEqual(ValidationResult.Success, result);
}
private ChangeItem<Asset> ModifyAsset(Asset asset)
{
var choice = s_rng.NextDouble();
ChangeItem<Asset> change;
if (s_rng.NextDouble() < s_chanceDelete)
{
change = new ChangeItem<Asset>(ChangeAction.Delete, asset, null);
}
else
{
change = new ChangeItem<Asset>(ChangeAction.Update, asset, Dirty(asset));
}
return change;
}
