public void FactoryShouldCreateTaskManagersWithTheGivenSize(int size)
{
var taskManager = TaskManagerFactory.CreateTaskManager(taskManagerSize: size);
for (var i = 0; i < size; i++)
{
taskManager.Add(new ProcessDto(Priority.Low));
}
var isAdded = taskManager.Add(new ProcessDto(Priority.Low));
Assert.Null(isAdded);
}
public void FactoryShouldCreateTaskManagersWithDefaultSize()
{
var taskManager = TaskManagerFactory.CreateTaskManager();
for (var i = 0; i < TaskManagerFactory.TaskManagerSize; i++)
{
taskManager.Add(new ProcessDto(Priority.Low));
}
var isAdded = taskManager.Add(new ProcessDto(Priority.Low));
Assert.Null(isAdded);
}
private void KillShouldRemoveTheProcessFromTaskManager()
{
var taskManager = TaskManagerFactory.CreateTaskManager(taskManagerSize: 2);
var process = taskManager.Add(new ProcessDto(Priority.Low));
var killed = taskManager.Kill(process.PID);
Assert.True(killed);
var processlist = taskManager.List();
Assert.Null(processlist.FirstOrDefault(m => m.PID == process.PID));
}
public void TaskManagerOverFlow()
{
var taskManager = TaskManagerFactory.CreateTaskManager(taskManagerSize: 2);
taskManager.Add(new ProcessDto(Priority.Low));
taskManager.Add(new ProcessDto(Priority.Low));
var isAdded = taskManager.Add(new ProcessDto(Priority.Low));
Assert.Null(isAdded);
var itemCount = taskManager.List().ToList().Count;
Assert.True(itemCount == 2);
}
public void FifoTaskManagerOverFlow()
{
var taskManager = TaskManagerFactory.CreateTaskManager(CustomerName, 2);
taskManager.Add(new ProcessDto(Priority.Low));
taskManager.Add(new ProcessDto(Priority.Low));
var isAdded = taskManager.Add(new ProcessDto(Priority.Low));
Assert.NotNull(isAdded);
var itemCount = taskManager.List().ToList().Count;
Assert.True(2 == itemCount);
}
public void TaskListShouldBeOrderedByPriority()
{
var taskManager = TaskManagerFactory.CreateTaskManager();
var pLow = taskManager.Add(new ProcessDto(Priority.Low));
var pHigh = taskManager.Add(new ProcessDto(Priority.High));
var pMedium = taskManager.Add(new ProcessDto(Priority.Medium));
var items = taskManager.List(m => m.Priority).ToList();
Assert.Equal(items[0].PID, pLow.PID);
Assert.Equal(items[1].PID, pMedium.PID);
Assert.Equal(items[2].PID, pHigh.PID);
}
public void TaskListShouldBeOrderedByCreationDate()
{
var taskManager = TaskManagerFactory.CreateTaskManager();
var p1 = taskManager.Add(new ProcessDto(Priority.Low));
var p2 = taskManager.Add(new ProcessDto(Priority.High));
var p3 = taskManager.Add(new ProcessDto(Priority.Medium));
var items = taskManager.List().ToList();
Assert.Equal(items[0].PID, p1.PID);
Assert.Equal(items[1].PID, p2.PID);
Assert.Equal(items[2].PID, p3.PID);
}
public void PriorityQueueWithLowPriority()
{
var taskManager = TaskManagerFactory.CreateTaskManager(CustomerName, 2);
var p1 = new ProcessDto(Priority.Low);
taskManager.Add(p1);
taskManager.Add(new ProcessDto(Priority.Low));
var isAdded = taskManager.Add(new ProcessDto(Priority.Medium));
Assert.NotNull(isAdded);
var processList = taskManager.List();
Assert.Null(processList.FirstOrDefault(m => m.PID == p1.PID));
}
private static void Main(string[] args)
{
Console.WriteLine("Hi, this is the task manager!");
try
{
Console.WriteLine("Please select Customer Type: F for Fifo / P for Priority / D for Default");
var customerType = Console.ReadLine();
var taskManager = TaskManagerFactory.CreateTaskManager(customerType);
PrintMenu();
var command = Console.ReadLine()?.ToUpper();
while (command != "E")
{
switch (command)
{
case "A":
NewProcess(taskManager);
break;
case "L":
ListProcesses(taskManager);
break;
case "K":
KillProcess(taskManager);
break;
default:
Console.WriteLine("Wrong command.");
break;
}
PrintMenu();
command = Console.ReadLine();
}
Console.WriteLine("Bye!");
Environment.Exit(0);
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
private void KillByPriorityShouldRemoveTheProcessFromTaskManager(Priority priority)
{
var taskManager = TaskManagerFactory.CreateTaskManager(taskManagerSize: 6);
taskManager.Add(new ProcessDto(Priority.Low));
taskManager.Add(new ProcessDto(Priority.Low));
taskManager.Add(new ProcessDto(Priority.Medium));
taskManager.Add(new ProcessDto(Priority.Medium));
taskManager.Add(new ProcessDto(Priority.High));
taskManager.Add(new ProcessDto(Priority.High));
var killed = taskManager.KillByPriority(priority);
Assert.True(killed);
var processlist = taskManager.List();
Assert.Null(processlist.FirstOrDefault(m => m.Priority == priority));
}
private void KillAllShouldRemoveAllTheTaskFromTaskManager()
{
var taskManager = TaskManagerFactory.CreateTaskManager(taskManagerSize: 6);
taskManager.Add(new ProcessDto(Priority.Low));
taskManager.Add(new ProcessDto(Priority.Low));
taskManager.Add(new ProcessDto(Priority.Medium));
taskManager.Add(new ProcessDto(Priority.Medium));
taskManager.Add(new ProcessDto(Priority.High));
taskManager.Add(new ProcessDto(Priority.High));
var killed = taskManager.KillAll();
Assert.True(killed);
var processlist = taskManager.List();
Assert.False(processlist.Any());
}
public void PriorityQueueWithHighPriority()
{
var taskManager = TaskManagerFactory.CreateTaskManager(CustomerName, 2);
var pLowOld = new ProcessDto(Priority.Low);
var pHigh = new ProcessDto(Priority.High);
var pMedium = new ProcessDto(Priority.Medium);
var pLowNew = new ProcessDto(Priority.Low);
taskManager.Add(pLowOld);
taskManager.Add(pHigh);
taskManager.Add(pLowNew);
var isAdded = taskManager.Add(pMedium);
Assert.NotNull(isAdded);
var processList = taskManager.List();
Assert.Null(processList.FirstOrDefault(m => m.PID == pLowOld.PID));
}
public void FifoTaskManagerOverFlowOldestWillBeKilled()
{
var taskManager = TaskManagerFactory.CreateTaskManager(CustomerName, 2);
var p1 = new ProcessDto(Priority.Low);
var p2 = new ProcessDto(Priority.Low);
var p3 = new ProcessDto(Priority.Low);
taskManager.Add(p1);
taskManager.Add(p2);
taskManager.Add(p3);
var processList = taskManager.List(m => m.CreateDate);
Assert.Null(processList.FirstOrDefault(m => m.PID == p1.PID));
var p4 = new ProcessDto(Priority.Low);
taskManager.Add(p4);
processList = taskManager.List(m => m.CreateDate);
Assert.Null(processList.FirstOrDefault(m => m.PID == p2.PID));
}
public void FactoryShouldCreateTaskManagersBasedOnCustomer(string customer, Type typeOfTaskManager)
{
var taskManager = TaskManagerFactory.CreateTaskManager(customer);
Assert.Equal(typeOfTaskManager, taskManager.GetType());
}
