public async Task Given_IncludedCollection_Should_TimeTravelIncludedCollection()
{
var context = TestHelper.GetNewDbContext();
var appleId = Guid.Parse("00000003-8803-4263-ada6-cd12a33d8872");
var apple = new Apple {
Id = appleId, FruitStatus = FruitStatus.Rotten
};
apple.AddWorm("Gav");
context.Apples.Add(apple);
await context.SaveChangesAsync();
var rottenAppleTime = TestHelper.UtcNow;
context = TestHelper.GetNewDbContext();
apple = await context.Apples.SingleAsync(a => a.Id == appleId);
apple.AddWorm("G-Dog");
apple.AddWorm("Gavin' A Laugh");
await context.SaveChangesAsync();
context = TestHelper.GetNewDbContext();
var currentApple = await context.Apples
.Include(a => a.Worms)
.SingleAsync(a => a.Id == appleId);
currentApple.Worms.Count.Should().Be(3);
using (TemporalQuery.AsOf(rottenAppleTime))
{
// Let's use the same context for time travel
var timeTravelApple = await context.Apples
.Include(a => a.Worms)
// All temporal queries must be .AsNoTracking()
.AsNoTracking()
.SingleAsync(a => a.Id == appleId);
timeTravelApple.Worms.Count.Should().Be(1);
}
}
