public void TestLazyLoadBookAndReviewUsingProxiesPackageOk()
{
//SETUP
var options = CreateOptionsLazyLoadingProxies <Lazy2DbContext>();
using (var context = new Lazy2DbContext(options))
{
context.Database.EnsureCreated();
var book = new BookLazy2
{
Reviews = new List <LazyReview>
{
new LazyReview {
NumStars = 5
}, new LazyReview {
NumStars = 1
}
}
};
context.Add(book);
context.SaveChanges();
}
using (var context = new Lazy2DbContext(options))
{
//ATTEMPT
var book = context.BookLazy2s.Single(); //#A
book.Reviews.Count().ShouldEqual(2); //#B
/*********************************************************
#A We just load the book class
#B When the Reviews are read, then EF Core will read in the reviews
* *******************************************************/
}
}
public void TestLazyLoadBookAndReviewUsingActionOk()
{
//SETUP
var showlog = false;
var options = SqliteInMemory.CreateOptionsWithLogging <LazyInjectContext>(log =>
{
if (showlog)
{
_output.WriteLine(log.Message);
}
});
using (var context = new LazyInjectContext(options))
{
context.Database.EnsureCreated();
var book = new BookLazy2
{
Promotion = new PriceOffer {
NewPrice = 5
},
Reviews = new List <Lazy2Review>
{
new Lazy2Review {
NumStars = 5
}, new Lazy2Review {
NumStars = 1
}
}
};
context.Add(book);
context.SaveChanges();
}
using (var context = new LazyInjectContext(options))
{
//ATTEMPT
showlog = true;
var book = context.BookLazy2s.Single();
var reviews = book.Reviews.ToList();
//VERIFY
book.Promotion.ShouldBeNull();
context.BookLazy2s.Select(x => x.Promotion).ShouldNotBeNull();
reviews.Count.ShouldEqual(2);
}
}
