public void itShouldSupportCancellation()
{
var commands = new List <BaseCommand>();
var command1 = new MockSucceedingCommand();
commands.Add(command1);
var command2 = new MockSleepingCommand(2000);
commands.Add(command2);
var command3 = new MockSucceedingCommand();
commands.Add(command3);
var runner = new CommandsRunner(commands);
bool result = true;
ThreadStart starter = new ThreadStart(() => {
result = runner.Run();
});
var thread = new Thread(starter);
thread.Start();
// Sleep to give time for command1 to succeed.
Thread.Sleep(500);
// Cancel before command2 completes
runner.Cancel();
thread.Join();
// Cancelled means failed result
Assert.IsFalse(result);
Assert.IsTrue(runner.WasCommandStarted(command1));
// Cancellation should trigger Undo
Assert.IsTrue(runner.Reports.Any(r => r.Reporter == command1 && r.ReportType.IsUndoReport()));
Assert.IsTrue(runner.WasCommandStarted(command2));
// Cancellation should not run next command in the chain.
Assert.IsFalse(runner.WasCommandStarted(command3));
}
public void Cancel()
{
_commandsRunner.Cancel();
}