public void BeginTransaction(string transactionName, DateTimeOffset?timestamp = null)
{
if (transaction == null)
{
var date = timestamp ?? DateTimeOffset.Now;
transaction = new CompositeUndoRedoAction(transactionName, date);
}
}
public void Constructor_ValidParameters_PasseToProperties()
{
var name = "MyName";
var date = DateTimeOffset.UtcNow.AddDays(13);
CompositeUndoRedoAction composite = new CompositeUndoRedoAction(name, date);
Assert.Equal(name, composite.Name);
Assert.Equal(date, composite.Date);
Assert.Equal(0, composite.Actions.Count);
}
public void CommitTransaction()
{
if (transaction != null)
{
foreach (var command in transaction.Actions.OfType <IUndoRedoCommand>())
{
command.Execute();
}
undoRedoManager.RegisterExecutedAction(transaction);
transaction = null;
}
}
private static JsonHistoryStep CreateJsonStep(CompositeUndoRedoAction transaction)
{
var jsonStep = new JsonHistoryStep {
Name = transaction.Name, Date = transaction.Date
};
foreach (var command in transaction.Actions.OfType <IUndoRedoCommand>())
{
var jsonCommand = new JsonHistoryStepCommand {
CommandType = CommandFactory.ToTypeName(command)
};
command.Save(jsonCommand.Properties);
jsonStep.Commands.Add(jsonCommand);
}
return(jsonStep);
}
public void ManyActions_UndoRedo_ActionsInvoked()
{
MockupAction action1 = new MockupAction();
MockupAction action2 = new MockupAction();
CompositeUndoRedoAction composite = new CompositeUndoRedoAction("MyName", DateTimeOffset.Now);
composite.Add(action1);
composite.Add(action2);
Assert.Equal(2, composite.Actions.Count);
composite.Undo();
Assert.True(action1.IsUndoInvoked);
Assert.True(action2.IsUndoInvoked);
composite.Redo();
Assert.True(action1.IsRedoInvoked);
Assert.True(action2.IsRedoInvoked);
}
public void AddAction_ActionIsNull_ThrowsException()
{
CompositeUndoRedoAction composite = new CompositeUndoRedoAction("MyName", DateTimeOffset.Now);
Assert.Throws <ArgumentNullException>(() => composite.Add(null));
}