public void TestCreateOneEntryWithLogs()
{
//SETUP
var showLog = false;
var options = SqliteInMemory.CreateOptionsWithLogging <Chapter3DbContext>(log =>
{
if (showLog)
{
_output.WriteLine(log.DecodeMessage());
}
});
using (var context = new Chapter3DbContext(options))
{
context.Database.EnsureCreated();
showLog = true;
var itemToAdd = new ExampleEntity
{
MyMessage = "Hello World"
};
//ATTEMPT
context.SingleEntities.Add(
itemToAdd);
context.SaveChanges();
//VERIFY
context.SingleEntities.Count().ShouldEqual(1);
}
}
public void TestCreateOneEntry()
{
//SETUP
var options = SqliteInMemory.CreateOptions <Chapter3DbContext>();
using (var context = new Chapter3DbContext(options))
{
context.Database.EnsureCreated();
var itemToAdd = new ExampleEntity
{
MyMessage = "Hello World"
};
//ATTEMPT
context.Add(itemToAdd); //#A
context.SaveChanges(); //#B
/*********************************************************
#A It use the Add method to add the SingleEntity to the application's DbContext. The DbContext works what table to add it to based on its type of its parameter
#B It calls the SaveChanges() method from the application's DbContext to update the database
* ***********************************************************/
//VERIFY
context.SingleEntities.Count()
.ShouldEqual(1);
itemToAdd.ExampleEntityId
.ShouldNotEqual(0);
}
}
public void TestAddReviewNoIncludeCollectionAlreadySetOk()
{
//SETUP
var options = SqliteInMemory.CreateOptions <Chapter3DbContext>();
using var context = new Chapter3DbContext(options);
context.Database.EnsureCreated();
var writeBook = new BookCheckSet
{
Title = "Title",
Reviews = new List <ReviewSetCheck> {
new ReviewSetCheck {
NumStars = 5
}
}
};
context.Add(writeBook);
context.SaveChanges();
context.ChangeTracker.Clear();
//ATTEMPT
var book = context.BookCheckSets
.Single(p => p.BookId == writeBook.BookId);
book.Reviews.Add(new ReviewSetCheck {
NumStars = 5
});
context.SaveChanges();
context.ChangeTracker.Clear();
//VERIFY
var bookAgain = context.BookCheckSets
.Include(p => p.Reviews)
.Single(p => p.BookId == book.BookId);
bookAgain.Reviews.ShouldNotBeNull();
bookAgain.Reviews.Count.ShouldEqual(2);
}