public void TestLazyLoadBookAndReviewUsingILazyLoaderOk()
{
//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 BookLazy1
{
Promotion = new PriceOffer {
NewPrice = 5
},
Reviews = new List <Lazy1Review>
{
new Lazy1Review {
NumStars = 5
}, new Lazy1Review {
NumStars = 1
}
}
};
context.Add(book);
context.SaveChanges();
}
using (var context = new LazyInjectContext(options))
{
//ATTEMPT
showlog = true;
var book = context.BookLazy1s.Single(); //#A
var reviews = book.Reviews.ToList(); //#B
//VERIFY
book.Promotion.ShouldBeNull();
context.BookLazy1s.Select(x => x.Promotion).ShouldNotBeNull();
reviews.Count.ShouldEqual(2);
}
}
public void TestLazyLoadBookAndReviewUsingILazyLoaderOk()
{
//SETUP
var showlog = false;
var options = SqliteInMemory.CreateOptionsWithLogging <Lazy1DbContext>(log =>
{
if (showlog)
{
_output.WriteLine(log.Message);
}
});
using (var context = new Lazy1DbContext(options))
{
context.Database.EnsureCreated();
var book = new BookLazy1
{
Reviews = new List <LazyReview>
{
new LazyReview {
NumStars = 5
}, new LazyReview {
NumStars = 1
}
}
};
context.Add(book);
context.SaveChanges();
}
using (var context = new Lazy1DbContext(options))
{
//ATTEMPT
showlog = true;
var book = context.BookLazy1s.Single(); //#A
var reviews = book.Reviews.ToList(); //#B
/*********************************************************
#A This gets an instance of the BookLazy entity class that has configured its Reviews property to use lazy loading
#B When the Reviews property is accessed, then EF Core will read in the reviews from the database
* *******************************************************/
//VERIFY
reviews.Count.ShouldEqual(2);
}
}
