public void TestRunningToFailByEvaluatorScenario()
{
var taskState = new TaskStateMachine();
taskState.MoveNext(TaskStateEvent.SubmittedTask);
taskState.MoveNext(TaskStateEvent.RunningTask);
Assert.True(taskState.MoveNext(TaskStateEvent.FailedTaskEvaluatorError).Equals(TaskState.TaskFailedByEvaluatorFailure), "Failed to move from RunningTask to TaskFailedByEvaluatorFailure state with FailedTaskEvaluatorError.");
Assert.True(taskState.IsFinalState(), "TaskFailedByEvaluatorFailure should be a final state.");
}
public void TestRunningToCloseToFailedTaskSystemErrorScenario()
{
var taskState = new TaskStateMachine();
taskState.MoveNext(TaskStateEvent.SubmittedTask);
taskState.MoveNext(TaskStateEvent.RunningTask);
taskState.MoveNext(TaskStateEvent.WaitingTaskToClose);
Assert.True(taskState.MoveNext(TaskStateEvent.FailedTaskSystemError).Equals(TaskState.TaskClosedByDriver), "Failed to move from WaitingTaskToClose to TaskClosedByDriver state with FailedTaskSystemError.");
}
public void TestRunningToWaitingTaskToCloseToComplete()
{
var taskState = new TaskStateMachine();
taskState.MoveNext(TaskStateEvent.SubmittedTask);
taskState.MoveNext(TaskStateEvent.RunningTask);
taskState.MoveNext(TaskStateEvent.WaitingTaskToClose);
taskState.MoveNext(TaskStateEvent.CompletedTask);
Assert.Equal(TaskState.TaskClosedByDriver, taskState.CurrentState);
}
public void TestRunningToCloseScenario()
{
var taskState = new TaskStateMachine();
taskState.MoveNext(TaskStateEvent.SubmittedTask);
taskState.MoveNext(TaskStateEvent.RunningTask);
Assert.True(taskState.MoveNext(TaskStateEvent.WaitingTaskToClose).Equals(TaskState.TaskWaitingForClose), "Failed to move from RunningTask to TaskWaitingForClose state.");
Assert.False(taskState.IsFinalState(), "TaskWaitingForClose should not be a final state.");
Assert.True(taskState.MoveNext(TaskStateEvent.ClosedTask).Equals(TaskState.TaskClosedByDriver), "Failed to move from TaskWaitingForClose to TaskClosedByDriver state.");
Assert.True(taskState.IsFinalState(), "TaskClosedByDriver should be a final state.");
}
public void TestNewToCompleteScenario()
{
var taskState = new TaskStateMachine();
Assert.True(taskState.CurrentState.Equals(TaskState.TaskNew), "State of newly created task should be TaskNew");
Assert.False(taskState.IsFinalState(), "TaskNew should not be a final state.");
Assert.True(taskState.MoveNext(TaskStateEvent.SubmittedTask).Equals(TaskState.TaskSubmitted), "Failed to move from TaskNew to TaskSubmitted state.");
Assert.False(taskState.IsFinalState(), "TaskSubmitted should not be a final state.");
Assert.True(taskState.MoveNext(TaskStateEvent.RunningTask).Equals(TaskState.TaskRunning), "Failed to move from TaskSubmitted to TaskRunning state.");
Assert.False(taskState.IsFinalState(), "TaskRunning should not be a final state.");
Assert.True(taskState.MoveNext(TaskStateEvent.CompletedTask).Equals(TaskState.TaskCompleted), "Failed to move from TaskRunning to TaskCompleted state.");
Assert.True(taskState.IsFinalState(), "TaskCompleted should be a final state.");
}
public void TestFromRunningToNotAllowedTransitions()
{
var taskState = new TaskStateMachine();
taskState.MoveNext(TaskStateEvent.SubmittedTask);
taskState.MoveNext(TaskStateEvent.RunningTask);
Action moveNext = () => taskState.MoveNext(TaskStateEvent.SubmittedTask);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.ClosedTask);
Assert.Throws <TaskStateTransitionException>(moveNext);
}
public void TestFromFailToNotAllowedTransitions()
{
var taskState = new TaskStateMachine();
taskState.MoveNext(TaskStateEvent.SubmittedTask);
taskState.MoveNext(TaskStateEvent.RunningTask);
taskState.MoveNext(TaskStateEvent.FailedTaskEvaluatorError);
Assert.True(taskState.CurrentState.Equals(TaskState.TaskFailedByEvaluatorFailure), "Failed to move to TaskFailedByEvaluatorFailure state.");
Action moveNext = () => taskState.MoveNext(TaskStateEvent.RunningTask);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.ClosedTask);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.CompletedTask);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.SubmittedTask);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.WaitingTaskToClose);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.FailedTaskAppError);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.FailedTaskCommunicationError);
Assert.Throws <TaskStateTransitionException>(moveNext);
moveNext = () => taskState.MoveNext(TaskStateEvent.FailedTaskSystemError);
Assert.Throws <TaskStateTransitionException>(moveNext);
}