public void Handle(RemoveCourse message)
{
var item = _repository.GetById(message.CourseId);
item.Remove();
_repository.Save(item, message.OriginalVersion);
}
public void DetectsConcurrencyViolationOnRemove()
{
var course = Builder <CourseData> .CreateNew()
.With(c => c.Id = 1).And(c => c.RowVersion = new byte[] { 0x01 })
.Build();
_context.Expect(c => c.AsQueryable <Course>())
.Return(new[] { _course }.AsQueryable().TestAsync());
var request = new RemoveCourse(course);
try
{
AssertNoValidationErrors <CourseConcurency, UpdateResource <CourseData, int> >(request);
Assert.Fail("Should have thrown OptimisticConcurrencyException");
}
catch (OptimisticConcurrencyException ex)
{
Assert.AreEqual(ex.Message,
$"Concurrency exception detected for {typeof(Course).FullName} with id 1.");
}
}
private void removeCourse_ItemClicked(object sender, EventArgs e)
{
RemoveCourse remove = new RemoveCourse();
remove.Show();
}
