public async Task Verify_update_idempotency()
{
var rm = new SampleReadModelTest
{
Id = new TestId(1),
Value = "test",
Counter = 10,
};
await sut.InsertAsync(new SampleAggregateCreated(), rm).ConfigureAwait(false);
//now try to update counter with an event
SampleAggregateTouched e = new SampleAggregateTouched();
await sut.FindAndModifyAsync(e, rm.Id, _ => _.Counter++).ConfigureAwait(false);
var reloaded = await sut.FindOneByIdAsync(rm.Id).ConfigureAwait(false);
Assert.That(reloaded.Counter, Is.EqualTo(11));
//idempotency on the very same event
await sut.FindAndModifyAsync(e, rm.Id, _ => _.Counter++).ConfigureAwait(false);
reloaded = await sut.FindOneByIdAsync(rm.Id).ConfigureAwait(false);
Assert.That(reloaded.Counter, Is.EqualTo(11));
//increment on different event
SampleAggregateTouched anotherEvent = new SampleAggregateTouched();
await sut.FindAndModifyAsync(anotherEvent, rm.Id, _ => _.Counter++).ConfigureAwait(false);
reloaded = await sut.FindOneByIdAsync(rm.Id).ConfigureAwait(false);
Assert.That(reloaded.Counter, Is.EqualTo(12));
}
public async Task Verify_population_of_basic_properties_on_find_and_modify()
{
var rm = CreateNew();
var evt = HandleEvent(new SampleAggregateCreated());
await sut.InsertAsync(evt, rm);
var reloaded = await sut.FindOneByIdAsync(rm.Id);
var evt2 = HandleEvent(new SampleAggregateTouched(), 2L);
await sut.FindAndModifyAsync(evt2, rm.Id, r => r.Value += "MODIFIED", false);
var reloaded2 = await sut.FindOneByIdAsync(rm.Id);
Assert.That(reloaded2.CheckpointToken, Is.EqualTo(2L));
Assert.That(reloaded2.SecondaryToken, Is.GreaterThan(reloaded.SecondaryToken));
}