public async void GetPositionFor_ShouldReturnNullWhenNoStreamCanBeFound()
{
var sut = new MemoryBackedStreamPositionRepositoryForDebugging();
var result = await sut.GetPositionForAsync(StreamName, SubscriberId);
result.Should().NotHaveValue();
}
public async void ShouldWorkForMultipleSubscriberIds()
{
var sut = new MemoryBackedStreamPositionRepositoryForDebugging();
await sut.SetPositionForAsync(StreamName, SubscriberId, 123);
await sut.SetPositionForAsync(StreamName, "XYZ", 456);
var result = await sut.GetPositionForAsync(StreamName, SubscriberId);
result.Should().Be(123);
result = await sut.GetPositionForAsync(StreamName, "XYZ");
result.Should().Be(456);
}