public async Task Should_Remove_Records_From_ManyToMany_Relationship(IDbProvider db)
{
Trace.WriteLine(TraceObjectGraphInfo(db));
// Setup
var publisher = PublisherFixture.GetThirdPublisher();
await db.Create(publisher);
var firstBook = BookFixture.GetFirstBook(publisher);
var secondBook = BookFixture.GetSecondBook(publisher);
await db.Create(firstBook);
await db.Create(secondBook);
var expectedAuthor = AuthorFixture.GetThirdAuthor();
expectedAuthor.AddBooks(firstBook, secondBook);
await db.Create(expectedAuthor);
// Execute
expectedAuthor.RemoveBooks(firstBook);
await db.Update(expectedAuthor);
// Assert
var actualAuthor = await db.Query <AuthorModel>()
.Where(a => a.Email == expectedAuthor.Email)
.SingleAsync();
actualAuthor.Should().NotBeNull();
var moreBooks = await db.Query <BookModel>()
.ManyToManyJoin <AuthorModel>()
.Where((b, a) => a.Id == actualAuthor.Id)
.Select();
actualAuthor.AddBooks(moreBooks.ToArray());
// Excluding publisher info because only its ID is included in the hydration.
actualAuthor.Should().BeEquivalentTo(expectedAuthor, options => options.Excluding(a => a.SelectedMemberPath.Contains("Publisher")));
}
public void Should_Remove_Records_From_ManyToMany_Relationship_Using_Transactions(IDbProvider db)
{
Trace.WriteLine(TraceObjectGraphInfo(db));
// Setup
var publisher = PublisherFixture.GetThirdPublisher();
var firstBook = BookFixture.GetFirstBook(publisher);
var secondBook = BookFixture.GetSecondBook(publisher);
var expectedAuthor = AuthorFixture.GetThirdAuthor();
expectedAuthor.RemoveBooks(firstBook);
expectedAuthor.AddBooks(firstBook, secondBook);
db.RunInTransaction(trans =>
{
trans.Create(publisher);
trans.Create(firstBook);
trans.Create(secondBook);
trans.Create(expectedAuthor);
trans.Update(expectedAuthor);
});
// Assert
var actualAuthor = db.Query <AuthorModel>()
.Where(a => a.Email == expectedAuthor.Email)
.Select().Single();
actualAuthor.Should().NotBeNull();
actualAuthor.AddBooks(db.Query <BookModel>()
.ManyToManyJoin <AuthorModel>()
.Where((b, a) => a.Id == actualAuthor.Id)
.Select().ToArray());
// Excluding publisher info because only its ID is included in the hydration.
actualAuthor.ShouldBeEquivalentTo(expectedAuthor, options => options.Excluding(a => a.PropertyPath.Contains("Publisher")));
}