public void Then_Should_Throw_Exception_After_Tasks_Fail()
{
var exceptionToThrow = new ArgumentNullException();
var firstTask = new PandaTask();
var secondTask = new PandaTask();
var continiueTask = firstTask.Then(() => secondTask).Fail(_ => throw exceptionToThrow);
Assert.IsNull(continiueTask.Error);
Exception finalException = null;
try
{
secondTask.Reject();
firstTask.Reject();
}
catch (Exception e) when(e is ArgumentNullException nullException)
{
finalException = nullException;
}
Assert.That(exceptionToThrow, Is.EqualTo(finalException));
Assert.IsAssignableFrom <TaskRejectedException>(continiueTask.Error);
}
public void ThenWithTaskTest()
{
//arrange
Func <IPandaTask> expectedCallback = () => null;
//act
IPandaTask newtask = _task.Then(expectedCallback);
var castedTask = newtask as ContinuationTaskFromPandaTask;
var realCallback = RuntimeReflection.GetValue <Func <IPandaTask>, ContinuationTaskFromPandaTask>(@"_nextActionDelegate", castedTask);
//assert
Assert.NotNull(castedTask);
Assert.False(castedTask.FromCatch);
Assert.AreEqual(expectedCallback, realCallback);
}
public void Then_Should_Throw_Exception_After_Tasks_Resolve()
{
var firstTask = new PandaTask();
var secondTask = new PandaTask();
var continiueTask = firstTask.Then(() => secondTask).Done(() => throw new ArgumentNullException());
Assert.Throws <ArgumentNullException>(() =>
{
secondTask.Resolve();
firstTask.Resolve();
});
Assert.IsNull(continiueTask.Error);
}
public void Then_Should_Save_Exception_In_Stack_After_Tasks_Fail()
{
var rejectException = new Exception("some text");
var firstTask = new PandaTask();
var secondTask = new PandaTask();
var continiueTask = firstTask.Then(() => secondTask).Fail(_ => throw new ArgumentNullException());
try
{
secondTask.Reject(rejectException);
firstTask.Reject(rejectException);
}
catch {}
Assert.That(continiueTask.Error, Is.EqualTo(rejectException));
}
public void ThenResultRejectFirstTest()
{
//arrange
var firstTask = new PandaTask();
var nextTask = new PandaTask <int>();
IPandaTask <int> resultTask = firstTask.Then(() => nextTask);
//act
var testError = new Exception();
firstTask.Reject(testError);
//assert
Assert.AreEqual(PandaTaskStatus.Rejected, resultTask.Status);
Assert.AreEqual(testError, resultTask.Error);
}
public void ThenResultResolveTest()
{
//arrange
var firstTask = new PandaTask();
var nextTask = new PandaTask <int>();
IPandaTask <int> resultTask = firstTask.Then(() => nextTask);
//act
firstTask.Resolve();
const int testValue = 1;
nextTask.SetValue(testValue);
//assert
Assert.AreEqual(PandaTaskStatus.Resolved, resultTask.Status);
Assert.AreEqual(testValue, resultTask.Result);
}