public void SaveEvents_NullObject_ShouldThrowException()
{
// Arrange
IComparer <Event> comparer = CreateEventComparer();
IEventStore <uint, Event> eventStore = new MemoryEventStore <uint, Event>(comparer);
// Act, Assert
Assert.Throws <ArgumentNullException>(() => eventStore.SaveEvents(1, null));
}
public void SaveEvents_WithNotEmptyArray_ShouldReturnTrue()
{
// Arrange
Event[] fakeEvents = { new FakeEvent() };
IComparer <Event> comparer = CreateEventComparer();
IEventStore <uint, Event> eventStore = new MemoryEventStore <uint, Event>(comparer);
// Act
bool result = eventStore.SaveEvents(1, fakeEvents);
// Assert
Assert.True(result);
}
public void GetEventsById_WithExistingId_ShouldReturnEventCollection()
{
// Arrange
uint eventAggregateId = 1;
Event[] fakeEvents = { new FakeEvent() };
IComparer <Event> comparer = CreateEventComparer();
IEventStore <uint, Event> eventStore = new MemoryEventStore <uint, Event>(comparer);
// Act
eventStore.SaveEvents(eventAggregateId, fakeEvents);
IEnumerable <Event> result = eventStore.GetEventsById(eventAggregateId);
// Assert
Assert.NotNull(result);
Assert.Single(result);
}
public void GetEventsById_WithUnexistingId_ShouldReturnEmptyCollection()
{
// Arrange
uint eventAggregateId = 1;
Event[] fakeEvents = { new FakeEvent() };
IComparer <Event> comparer = CreateEventComparer();
IEventStore <uint, Event> eventStore = new MemoryEventStore <uint, Event>(comparer);
eventStore.SaveEvents(eventAggregateId, fakeEvents);
// Act
IReadOnlyCollection <Event> result = eventStore.GetEventsById(2);
// Assert
Assert.Empty(result);
}
private static void Main()
{
IComparer <Event <uint> > comparer = CreateEventComparer();
IEventStore <uint, Event <uint> > eventStore = new MemoryEventStore <uint, Event <uint> >(comparer);
for (uint i = 0; i < 10; i++)
{
List <Event <uint> > events = new List <Event <uint> >();
events.Add(new OrderCreatedEvent(i));
events.Add(new OrderDateChangedEvent(i, DateTime.Now.AddDays(i)));
events.Add(new OrderDeletedEvent(i));
eventStore.SaveEvents(i, events);
}
IReadOnlyCollection <Event <uint> > found = eventStore.GetEventsById(1);
Console.WriteLine($"Found events: {found.Count}");
Console.ReadKey();
}
