/// <summary>
/// Test when application has code and active tasks
/// </summary>
void completed_and_active_tasks_exist()
{
before = () =>
{
_tasks = new List<TaskItem>();
_tasks.Add(new TaskItem(1,"task1",false));
_tasks.Add(new TaskItem(2, "task2", true));
_taskRepository.GetTasks().Returns(Task.FromResult(_tasks));
_taskListViewModel = new TaskListViewModel(_taskRepository, _collectionSource);
};
it["clear completed should be enabled"] = () => _taskListViewModel.ClearCompletedTasksEnabled.should_be_true();
it["active message show appropriate message"] = () => _taskListViewModel.TasksLeftMessage.should_be("1 task left");
it["clear completed shows appropriate message"] = () => _taskListViewModel.ClearCompletedMessage.should_be("Clear Completed (" + 1 + ")");
it["have visible tasks"] = () =>
{
_taskListViewModel.VisibleTasks.ChangeFilter(l => true);
_taskListViewModel.VisibleTasks.IsEmpty().is_false();
};
context["correct items shown in different view"] = () =>
{
it["shows all items in All task View"] = () =>
{
_taskListViewModel.SelectedIndex = (int) TaskListState.All;
List<TaskItem> retrievedItems = _taskListViewModel.VisibleTasks.Items.ToList();
retrievedItems.Count.should_be(2);
};
it["shows only active items in Active Task View"] = () =>
{
_taskListViewModel.SelectedIndex = (int)TaskListState.Active;
List<TaskItem> retrievedItems = _taskListViewModel.VisibleTasks.Items.ToList();
retrievedItems.Count.should_be(1);
retrievedItems[0].Id.should_be(_tasks[0].Id);
retrievedItems[0].Description.should_be(_tasks[0].Description);
retrievedItems[0].Completed.should_be(_tasks[0].Completed);
};
it["shows only active items in Completed Task View"] = () =>
{
_taskListViewModel.SelectedIndex = (int)TaskListState.Completed;
List<TaskItem> retrievedItems = _taskListViewModel.VisibleTasks.Items.ToList();
retrievedItems.Count.should_be(1);
retrievedItems[0].Id.should_be(_tasks[1].Id);
retrievedItems[0].Description.should_be(_tasks[1].Description);
retrievedItems[0].Completed.should_be(_tasks[1].Completed);
};
};
}
/// <summary>
/// setup code
/// </summary>
private void before_each()
{
_tasks = new List<TaskItem>();
_taskRepository = Substitute.For<ITaskRepository>();
_collectionSource = Substitute.For<ICollectionViewSourceFactory>();
var wrappedCollectionViewSource = new WrappedCollectionViewSource<TaskItem>();
_collectionSource.CreateTaskListViewSource().Returns(wrappedCollectionViewSource);
_taskListViewModel = null;
}
void clear_all_completed()
{
before = () =>
{
_tasks = new List<TaskItem>();
_tasks.Add(new TaskItem(1, "task1", true));
_tasks.Add(new TaskItem(2, "task2", true));
_taskRepository.GetTasks().Returns(Task.FromResult(_tasks));
_taskListViewModel = new TaskListViewModel(_taskRepository, _collectionSource);
};
it["clear completed shows appropriate message when clicked"] = () =>
{
_taskListViewModel.ClearCompletedMessage.should_be("Clear Completed (" + 2 + ")");
_taskListViewModel.DeleteCompleted.Execute(null);
_taskListViewModel.ClearCompletedMessage.should_be_empty();
};
}
/// <summary>
/// Test behaviour when updating a task
/// </summary>
void updating_a_task()
{
context["completing a task"] = () =>
{
before = () =>
{
_tasks = new List<TaskItem> {new TaskItem(1, "task1", false)};
_taskRepository.GetTasks().Returns(Task.FromResult(_tasks));
_taskListViewModel = new TaskListViewModel(_taskRepository, _collectionSource);
_taskListViewModel.VisibleTasks.Items.Count().should_be(1);
_taskListViewModel.ClearCompletedMessage.should_be_empty();
_taskListViewModel.ToggleStateOfTask.Execute(_tasks[0]);
};
it["item not visible in active"] = () =>
{
_taskListViewModel.SelectedIndex = (int) TaskListState.Active;
_taskListViewModel.VisibleTasks.Items.Count().should_be(0);
};
it["item visible in all"] = () =>
{
_taskListViewModel.SelectedIndex = (int)TaskListState.All;
_taskListViewModel.VisibleTasks.Items.Count().should_be(1);
};
it["item visible in complete"] = () =>
{
_taskListViewModel.SelectedIndex = (int)TaskListState.Completed;
_taskListViewModel.VisibleTasks.Items.Count().should_be(1);
};
it["correct active message"] = () => _taskListViewModel.TasksLeftMessage.should_be_empty();
it["correct completed message"] = () => _taskListViewModel.ClearCompletedMessage.should_be("Clear Completed (" + 1 + ")");
};
context["deleting a task"] = () =>
{
before = () =>
{
_tasks = new List<TaskItem>();
TaskItem taskItem = new TaskItem(1, "task1", true);
_tasks.Add(taskItem);
_taskRepository.GetTasks().Returns(Task.FromResult(_tasks));
_taskListViewModel = new TaskListViewModel(_taskRepository, _collectionSource);
_taskListViewModel.VisibleTasks.Items.ToArray().Count().should_be(1);
_taskListViewModel.DeleteTask.Execute(taskItem);
};
it["item not visible"] = () => _taskListViewModel.VisibleTasks.IsEmpty().should_be_true();
it["correct active message"] = () => _taskListViewModel.TasksLeftMessage.should_be_empty();
it["correct completed message"] = () => _taskListViewModel.ClearCompletedMessage.should_be_empty();
};
context["editing a task"] = () =>
{
TaskItem taskItem = new TaskItem(1, "task1", true);
before = () =>
{
_tasks = new List<TaskItem> {taskItem};
_taskListViewModel = new TaskListViewModel(_taskRepository, _collectionSource);
};
it["shows updated task message"] = () =>
{
_tasks[0].Description = "new task description";
_tasks[0].Description.should_be("new task description");
};
};
}
/// <summary>
/// State when no task
/// </summary>
void no_task()
{
before = () =>
{
_tasks = new List<TaskItem>();
_taskRepository.GetTasks().Returns(Task.FromResult(_tasks));
_taskListViewModel = new TaskListViewModel(_taskRepository, _collectionSource);
};
it["clear completed should be disabled"] =() => _taskListViewModel.ClearCompletedTasksEnabled.should_be_false();
it["active message is empty"] = () => _taskListViewModel.TasksLeftMessage.should_be_empty();
it["clear completed message is empty"] = () => _taskListViewModel.ClearCompletedMessage.should_be_empty();
it["have no visible tasks"] = () =>
{
_taskListViewModel.VisibleTasks.ChangeFilter(l=>true);
_taskListViewModel.VisibleTasks.IsEmpty().is_true();
};
}
/// <summary>
/// Verifies default state of task list
/// </summary>
void default_options()
{
before = () =>
{
_taskListViewModel = new TaskListViewModel(_taskRepository, _collectionSource);
};
it["selected all task state"] = () => _taskListViewModel.SelectedIndex.should_be((int)TaskListState.All);
}