private void TestDetectChangesWithSaveChangesAndValidation(bool validateOnSaveEnabled)
{
using (var context = new ValidationTestContext())
{
context.Database.Initialize(force: false);
using (new TransactionScope())
{
context.Configuration.ValidateOnSaveEnabled = validateOnSaveEnabled;
var food = context.Entry(new Category("FOOD"));
context.Categories.Add(food.Entity);
context.SaveChanges();
Assert.Equal(null, food.Entity.DetailedDescription);
Assert.Equal(EntityState.Unchanged, food.State);
food.Entity.DetailedDescription = "foo";
Assert.Equal(EntityState.Unchanged, food.State);
context.ValidateEntityFunc = (entry) =>
{
Assert.Equal(
validateOnSaveEnabled
? EntityState.Modified
: EntityState.Unchanged, entry.State);
entry.State = EntityState.Unchanged;
food.Entity.DetailedDescription = "bar";
Assert.Equal(EntityState.Unchanged, entry.State);
return new DbEntityValidationResult(entry,
Enumerable.Empty
<DbValidationError>());
};
context.SaveChanges();
Assert.Equal(validateOnSaveEnabled ? "bar" : "foo", food.Entity.DetailedDescription);
food.Reload();
Assert.Equal(validateOnSaveEnabled ? null : "foo", food.Entity.DetailedDescription);
}
}
}
public void SaveChanges_throws_on_validation_errors_implementation(Func<DbContext, int> saveChanges)
{
using (var context = new ValidationTestContext())
{
context.Database.Initialize(force: false);
using (new TransactionScope())
{
context.ValidateEntityFunc =
(entry) => { return new DbEntityValidationResult(entry, new[] { new DbValidationError("Id", "error") }); };
context.Categories.Add(new Category("FOOD"));
Assert.Throws<DbEntityValidationException>(() => context.SaveChanges()).ValidateMessage(
"DbEntityValidationException_ValidationFailed");
}
}
}
private void TestValidateEntityWithSaveChanges(bool validateOnSaveEnabled)
{
using (var context = new ValidationTestContext())
{
context.Database.Initialize(force: false);
using (new TransactionScope())
{
context.Configuration.ValidateOnSaveEnabled = validateOnSaveEnabled;
bool validateCalled = false;
context.ValidateEntityFunc = (entry) =>
{
validateCalled = true;
return new DbEntityValidationResult(entry,
Enumerable.Empty
<DbValidationError>());
};
context.Categories.Add(new Category("FOOD"));
context.SaveChanges();
Assert.True(validateOnSaveEnabled == validateCalled);
}
}
}