public void Task_With_PreventConcurrentTaskExecutionAttribute_UnableToAcquireLock_Verify_InteractsWithDistributedMutex()
{
var distributedMutex = new DistributedMutexStub();
using (var context = ApplicationContext.Create(application => application
.ConfigureForUnitTest()
.Services(services => services
.Advanced(advanced => advanced
.Register <IRuntimeSettings>(kernel => new InMemoryRuntimeSettings()
.Set("ConcurrentTaskExecution.PreventConcurrentTaskExecutionOnAllTasks", "false"))
.Register <IDistributedMutex>(kernel => distributedMutex)))
.Tasks(tasks => tasks
.Task <ThrowIfStartsTask>())))
{
var runner = context.Resolve <ITaskRunner>();
var factory = context.Resolve <ITaskFactory>();
// Create an existing lock based on the actual task
distributedMutex.SimulateLockFromTask <ThrowIfStartsTask>();
ITask task = factory.Get <ThrowIfStartsTask>();
var exception = Assert.Throws <TaskExecutionFailedException>(() => runner.Execute(task));
Assert.IsNotNull(exception.InnerException);
Assert.IsInstanceOf <TaskExecutionLockNotAcquiredException>(exception.InnerException);
Assert.IsNotNull(exception.InnerException.InnerException);
Assert.IsInstanceOf <DistributedMutexStub.IsLockedException>(exception.InnerException.InnerException);
}
}
public void Task_With_PreventConcurrentTaskExecutionAttribute_ReturnNullExceptionHandler_Verify_InteractsWithDistributedMutex()
{
var distributedMutex = new DistributedMutexStub();
using (var context = ApplicationContext.Create(application => application
.ConfigureForUnitTest()
.Services(services => services
.Advanced(advanced => advanced
.Register <IRuntimeSettings>(kernel => new InMemoryRuntimeSettings()
.Set("ConcurrentTaskExecution.PreventConcurrentTaskExecutionOnAllTasks", "false"))
.Register <IDistributedMutex>(kernel => distributedMutex)))
.Tasks(tasks => tasks
.Task <ReturnNullOnSyncExceptionTask>()
.ConcurrentTaskExecution(concurrentTaskExecution => concurrentTaskExecution
.AddExceptionHandler <ReturnNullExceptionHandler>()))))
{
var runner = context.Resolve <ITaskRunner>();
var factory = context.Resolve <ITaskFactory>();
// Create an existing lock based on the actual task
distributedMutex.SimulateLockFromTask <ReturnNullOnSyncExceptionTask>();
ITask task = factory.Get <ReturnNullOnSyncExceptionTask>();
runner.Execute(task);
}
}
