public void TestFailedNodeDuringTaskSubmittingThenFail()
{
var systemState = new SystemStateMachine();
systemState.MoveNext(SystemStateEvent.AllContextsAreReady);
Assert.True(systemState.MoveNext(SystemStateEvent.FailedNode).Equals(SystemState.ShuttingDown), "Fail to move from SubmittingTasks state to ShuttingDown state.");
Assert.True(systemState.MoveNext(SystemStateEvent.NotRecoverable).Equals(SystemState.Fail), "Fail to move from ShuttingDown state to Fail state.");
}
public void TestFailedNodeDuringTaskSubmittingThenRecovery()
{
var systemState = new SystemStateMachine();
systemState.MoveNext(SystemStateEvent.AllContextsAreReady);
Assert.True(systemState.MoveNext(SystemStateEvent.FailedNode).Equals(SystemState.ShuttingDown), "Fail to move from SubmittingTasks state to ShuttingDown state.");
Assert.True(systemState.MoveNext(SystemStateEvent.Recover).Equals(SystemState.WaitingForEvaluator), "Fail to move from ShuttingDown state to WaitingForEvaluator state.");
}
public void TestFromRequestEvaluatorToTasksComplete()
{
var systemState = new SystemStateMachine();
Assert.True(systemState.CurrentState.Equals(SystemState.WaitingForEvaluator), "The initial state should be WaitingForEvaluator.");
Assert.True(systemState.MoveNext(SystemStateEvent.FailedNode).Equals(SystemState.WaitingForEvaluator), "Fail to stay at WaitingForEvaluator state.");
Assert.True(systemState.MoveNext(SystemStateEvent.AllContextsAreReady).Equals(SystemState.SubmittingTasks), "Fail to move from WaitingForEvaluator state to SubmittingTasks state.");
Assert.True(systemState.MoveNext(SystemStateEvent.AllTasksAreRunning).Equals(SystemState.TasksRunning), "Fail to move from SubmittingTasks state to TasksRunning state.");
Assert.True(systemState.MoveNext(SystemStateEvent.AllTasksAreCompleted).Equals(SystemState.TasksCompleted), "Fail to move from TasksRunning state to TasksCompleted state.");
}
/// <summary>
/// Called from ActiveContextManager when all the expected active context are received.
/// It changes the system state then calls SubmitTasks().
/// </summary>
/// <param name="value"></param>
public void OnNext(IEnumerable <IActiveContext> value)
{
Logger.Log(Level.Info, "Received event from ActiveContextManager with NumberOfActiveContexts:" + (value != null ? value.Count() : 0));
lock (_lock)
{
// When the event AllContextsAreReady happens, change the system state from WaitingForEvaluator to SubmittingTasks
_systemState.MoveNext(SystemStateEvent.AllContextsAreReady);
SubmitTasks(value);
}
}
public void TestNoRecoverableFailedEvaluatorDuringWaitingForEvaluator()
{
var systemState = new SystemStateMachine();
Assert.True(systemState.MoveNext(SystemStateEvent.NotRecoverable).Equals(SystemState.Fail), "Fail to move from WaitingForEvaluator state to Fail state.");
}