public void verify_projection_up_to_certain_event()
{
var id = new TestEventUnfolderId(Interlocked.Increment(ref progressive));
using (var stream = _eventStore.OpenStream("BLAH", id.AsString(), 0, Int32.MaxValue))
{
CommitOneValue(stream, 1);
CommitOneValue(stream, 2);
CommitOneValue(stream, 3);
}
var unfolder = sut.GetById <TestProjector, TestAggregateQueryModel>(id, 1);
var rm = unfolder.GetProjection();
Assert.That(rm.Sum, Is.EqualTo(1));
Assert.That(rm.ListOfInt, Is.EquivalentTo(new[] { 1 }));
unfolder = sut.GetById <TestProjector, TestAggregateQueryModel>(id, 2);
rm = unfolder.GetProjection();
Assert.That(rm.Sum, Is.EqualTo(3));
Assert.That(rm.ListOfInt, Is.EquivalentTo(new[] { 1, 2 }));
unfolder = sut.GetById <TestProjector, TestAggregateQueryModel>(id, 3);
rm = unfolder.GetProjection();
Assert.That(rm.Sum, Is.EqualTo(6));
Assert.That(rm.ListOfInt, Is.EquivalentTo(new[] { 1, 2, 3 }));
}
public void verify_snapshot_usage()
{
var id = new TestEventUnfolderId(Interlocked.Increment(ref progressive));
using (var stream = _eventStore.OpenStream("BLAH", id.AsString(), 0, Int32.MaxValue))
{
CommitOneValue(stream, 1);
CommitOneValue(stream, 2);
}
var unfolder = sut.GetById <TestProjector, TestAggregateQueryModel>(id, 1);
var memento = unfolder.GetSnapshot();
Snapshot s = new Snapshot(id.AsString(), 2, memento);
using (var stream = _eventStore.OpenStream("BLAH", id.AsString(), 0, Int32.MaxValue))
{
CommitOneValue(stream, 3);
}
_persister.Load(null, 1, null).ReturnsForAnyArgs(s);
unfolder = sut.GetById <TestProjector, TestAggregateQueryModel>(id, Int32.MaxValue);
var rm = unfolder.GetProjection();
Assert.That(rm.Sum, Is.EqualTo(6));
Assert.That(rm.ListOfInt, Is.EquivalentTo(new[] { 1, 2, 3 }));
}
public void verify_snapshot_wrong_version_gets_deleted()
{
var id = new TestEventUnfolderId(1);
var unfolder = new TestProjector();
var memento = (EventUnfolderMemento)unfolder.GetSnapshot();
memento.Signature = "OTHER"; //change the version of the memento.
Snapshot s = new Snapshot(id, 2, memento);
_persister.Load("", 1, "").ReturnsForAnyArgs(s);
sut.GetById <TestProjector, TestAggregateQueryModel>(id, 200);
_persister.Received().Clear(id, memento.Version, typeof(TestProjector).Name);
}
public void verify_snapshot_check_version()
{
var id = new TestEventUnfolderId(1);
var unfolder = new TestProjector();
var memento = (EventUnfolderMemento)unfolder.GetSnapshot();
memento.Signature = "OTHER"; //change the version of the memento.
Snapshot s = new Snapshot(id, 2, memento);
_persister.Load("", 1, "").ReturnsForAnyArgs(s);
sut.GetById <TestProjector, TestAggregateQueryModel>(id, 200);
_eventStore.Received().OpenStream("BLAH", id, 0, 200);
}
public void verify_use_snapshot_strategy()
{
var id = new TestEventUnfolderId(Interlocked.Increment(ref progressive));
using (var stream = _eventStore.OpenStream(id.AsString()))
{
CommitOneValue(stream, 42);
}
TestProjector.ShouldSnapshotReturn = true;
sut.GetById <TestProjector, TestAggregateQueryModel>(id, Int32.MaxValue);
TestProjector.ShouldSnapshotReturn = false;
_persister.Received().Persist(Arg.Any <ISnapshot>(), Arg.Any <String>());
}
public void verify_basic_in_memory_projection()
{
var id = new TestEventUnfolderId(Interlocked.Increment(ref progressive));
using (var stream = _eventStore.OpenStream("BLAH", id.AsString(), 0, Int32.MaxValue))
{
CommitOneValue(stream, 42);
}
var unfolder = sut.GetById <TestProjector, TestAggregateQueryModel>(id, Int32.MaxValue);
var rm = unfolder.GetProjection();
Assert.That(rm.Sum, Is.EqualTo(42));
Assert.That(rm.ListOfInt, Is.EquivalentTo(new[] { 42 }));
}