public void AddCommand()
{
// init
const int CurrentVersion = 0;
const int ExpectedVersion = CurrentVersion + 1;
const int AddValue = 1;
var model = new StubModel
{
AggregateId = new AggregateId<StubModel>("1"),
LatestVersion = CurrentVersion,
Value = 1
};
long expectedVal = model.Value + AddValue;
var expectedEvt = new StubAddedEvent(new AggregateId<StubModel>("1"), AddValue) { Version = ExpectedVersion };
// ----note the 'ed'---------^^
// run
// validation exception
Assert.Throws<InvalidOperationException>(() => new StubAddCommand { AddValue = -1 }.ExecuteOn(model));
// successful command
var actualEvt = new StubAddCommand { AddValue = AddValue }.ExecuteOn(model);
this.assertEvents(expectedEvt, actualEvt);
// playback
var player = new SimplePlayer<StubModel>();
player.Load(actualEvt);
player.PlayFor(model);
// end value after playback
Assert.AreEqual(expectedVal, model.Value);
}