public void Retry_return_value_of_a_previously_failing_task_is_propogated_through()
{
var currentThreadScheduler = new CurrentThreadTaskScheduler();
var exceptionOccured = false;
var triggerToNotThrowException = 2;
var index = 0;
Func<Task<int>> taskProvider = () => Task.Factory.StartNew(() =>
{
index++;
if (index <= triggerToNotThrowException)
{
throw new Exception("Problem");
}
return index;
}, currentThreadScheduler);
taskProvider()
.Retry(taskProvider, triggerToNotThrowException + 1, _ => true, currentThreadScheduler)
.CatchAndHandle(ex => exceptionOccured = true, currentThreadScheduler);
Assert.That(exceptionOccured, Is.False);
Assert.That(index, Is.EqualTo(triggerToNotThrowException + 1));
}
public void Retry_return_value_of_a_previously_failing_task_is_propogated_through()
{
var currentThreadScheduler = new CurrentThreadTaskScheduler();
var exceptionOccured = false;
var triggerToNotThrowException = 2;
var index = 0;
Func <Task <int> > taskProvider = () => Task.Factory.StartNew(() =>
{
index++;
if (index <= triggerToNotThrowException)
{
throw new Exception("Problem");
}
return(index);
}, currentThreadScheduler);
taskProvider()
.Retry(taskProvider, triggerToNotThrowException + 1, _ => true, currentThreadScheduler)
.CatchAndHandle(ex => exceptionOccured = true, currentThreadScheduler);
Assert.That(exceptionOccured, Is.False);
Assert.That(index, Is.EqualTo(triggerToNotThrowException + 1));
}
public void when_no_exception_of_T_is_thrown_then_Catch_is_not_called()
{
var testScheduler = new CurrentThreadTaskScheduler();
var result = false;
Task.Factory.StartNew(() => { }, testScheduler)
.Catch <ArgumentNullException>(ex => result = true);
Assert.That(result, Is.False);
}
public void when_an_exception_is_not_thrown_then_Finally_is_called()
{
var testScheduler = new CurrentThreadTaskScheduler();
var result = false;
Task.Factory.StartNew(() => { }, testScheduler)
.Finally(() => result = true, testScheduler);
Assert.That(result, Is.True);
}
public void when_an_exception_is_thrown_then_Finally_is_called()
{
var testScheduler = new CurrentThreadTaskScheduler();
var result = false;
Task.Factory.StartNew(() => { throw new ArgumentNullException(); }, testScheduler)
.Finally(() => result = true, testScheduler);
Assert.That(result, Is.True);
}
public void when_event_fires_then_the_action_is_executed()
{
var testScheduler = new CurrentThreadTaskScheduler();
var stub = new StubClassWithEvent();
var result = false;
EventAsync.FromEvent(eh => stub.NoPayload += eh, eh => stub.NoPayload -= eh)
.Do(() => result = true, testScheduler);
stub.FireNoPayloadEvent();
Assert.That(result, Is.True);
}
public void when_event_fires_then_the_action_is_executed()
{
var testScheduler = new CurrentThreadTaskScheduler();
var stub = new StubClassWithEvent();
var result = false;
EventAsync.FromEvent(eh => stub.NoPayload += eh, eh => stub.NoPayload -= eh)
.Do(() => result = true, testScheduler);
stub.FireNoPayloadEvent();
Assert.That(result, Is.True);
}
public void when_payload_event_is_fired_twice_then_the_second_time_the_event_is_not_recieved()
{
var testScheduler = new CurrentThreadTaskScheduler();
var stub = new StubClassWithEvent();
var count = 0;
EventAsync.FromEvent <DataEventArgs <Guid> >(eh => stub.Payload += eh, eh => stub.Payload -= eh)
.Do(_ => count++, testScheduler);
stub.FirePayloadEvent(Guid.NewGuid());
stub.FirePayloadEvent(Guid.NewGuid());
Assert.That(count, Is.EqualTo(1));
}
public void when_payload_event_is_fired_twice_then_the_second_time_the_event_is_not_recieved()
{
var testScheduler = new CurrentThreadTaskScheduler();
var stub = new StubClassWithEvent();
var count = 0;
EventAsync.FromEvent<DataEventArgs<Guid>>(eh => stub.Payload += eh, eh => stub.Payload -= eh)
.Do(_ => count++, testScheduler);
stub.FirePayloadEvent(Guid.NewGuid());
stub.FirePayloadEvent(Guid.NewGuid());
Assert.That(count, Is.EqualTo(1));
}
public void Retry_exception_is_propogated_through()
{
var currentThreadScheduler = new CurrentThreadTaskScheduler();
var exceptionOccured = false;
Func <Task <int> > taskProvider = () => Task.Factory.StartNew <int>(() =>
{
throw new Exception("Problem");
}, currentThreadScheduler);
taskProvider()
.Retry(taskProvider, 3, _ => true, currentThreadScheduler)
.CatchAndHandle(ex => exceptionOccured = true, currentThreadScheduler);
Assert.That(exceptionOccured, Is.True);
}
public void when_payload_event_fires_then_the_action_is_executed_and_the_payload_is_passed_through()
{
var testScheduler = new CurrentThreadTaskScheduler();
var stub = new StubClassWithEvent();
var result = Guid.Empty;
EventAsync.FromEvent <DataEventArgs <Guid> >(eh => stub.Payload += eh, eh => stub.Payload -= eh)
.Do(payload => result = payload.Value, testScheduler);
var expected = Guid.NewGuid();
stub.FirePayloadEvent(expected);
Assert.That(result.Equals(expected), Is.True);
}
public void when_payload_event_fires_then_the_action_is_executed_and_the_payload_is_passed_through()
{
var testScheduler = new CurrentThreadTaskScheduler();
var stub = new StubClassWithEvent();
var result = Guid.Empty;
EventAsync.FromEvent<DataEventArgs<Guid>>(eh => stub.Payload += eh, eh => stub.Payload -= eh)
.Do(payload => result = payload.Value, testScheduler);
var expected = Guid.NewGuid();
stub.FirePayloadEvent(expected);
Assert.That(result.Equals(expected), Is.True);
}
public void Retry_exception_is_propogated_through()
{
var currentThreadScheduler = new CurrentThreadTaskScheduler();
var exceptionOccured = false;
Func<Task<int>> taskProvider = () => Task.Factory.StartNew<int>(() =>
{
throw new Exception("Problem");
}, currentThreadScheduler);
taskProvider()
.Retry(taskProvider, 3, _ => true, currentThreadScheduler)
.CatchAndHandle(ex => exceptionOccured = true, currentThreadScheduler);
Assert.That(exceptionOccured, Is.True);
}
public TestTaskScheduler()
{
TPL = new CurrentThreadTaskScheduler();
RX = new TestScheduler();
}
public CurrentThreadTaskSchedulerFactory()
{
_scheduler = new CurrentThreadTaskScheduler();
}
public void when_no_exception_of_T_is_thrown_then_Catch_is_not_called()
{
var testScheduler = new CurrentThreadTaskScheduler();
var result = false;
Task.Factory.StartNew(() => { }, testScheduler)
.Catch<ArgumentNullException>(ex => result = true);
Assert.That(result, Is.False);
}
