public void ItShouldRestoreTheToDoStateFromASnapshot()
{
const string label = "My label";
const string description = "My description";
const ToDoCurrentState currentState = ToDoCurrentState.Waiting;
var startedAt = DateTime.Now;
var endedAt = DateTime.Now;
var snapshot = new ToDoState
{
Label = label,
Description = description,
CurrentState = currentState,
StartedAt = startedAt,
EndedAt = endedAt
};
var history = new List <IEvent>();
var todoId = Guid.NewGuid();
var toDo = new Domain.Write.ToDo.ToDo(todoId, history.Count + 1, snapshot, history);
Assert.Equal(label, toDo.State.Label);
Assert.Equal(description, toDo.State.Description);
Assert.Equal(currentState, toDo.State.CurrentState);
Assert.Equal(startedAt, toDo.State.StartedAt);
Assert.Equal(endedAt, toDo.State.EndedAt);
}
protected override void OnInit()
{
state = new ToDoState();
stateManager = new ToDoState.Manager(state);
stateManager.OnIsCompleteChanged += StateHasChanged;
stateManager.OnToDoItemAdded += StateHasChanged;
}
private static ToDoState ChangeToDosFilterReducer(ToDoState previousState, ChangeToDosFilterAction action)
{
return(new ToDoState
{
Filter = action.Filter,
NextToDoId = previousState.NextToDoId,
ToDos = previousState.ToDos
});
}
private static ToDoState AddToDoReducer(ToDoState previousState, AddToDoAction action)
{
return(new ToDoState
{
Filter = previousState.Filter,
NextToDoId = previousState.NextToDoId + 1,
ToDos = previousState.ToDos.AddItem(new ToDo
{
Id = previousState.NextToDoId,
Completed = false,
Selected = false,
Text = action.Text
})
});
}
/// <summary>
/// Execute
/// </summary>
/// <param name="previousState"></param>
/// <param name="action"></param>
/// <returns></returns>
public static ToDoState Execute(ToDoState previousState, object action)
{
if (previousState == null)
{
previousState = InitState;
}
if (action.GetType() == typeof(ChangeToDosFilterAction))
{
return(ChangeToDosFilterReducer(previousState, (ChangeToDosFilterAction)action));
}
if (action.GetType() == typeof(AddToDoAction))
{
return(AddToDoReducer(previousState, (AddToDoAction)action));
}
return(new ToDoState()
{
Filter = previousState.Filter,
NextToDoId = previousState.NextToDoId,
ToDos = ToDosReducer.Execute(previousState.ToDos, action)
});
}
