public async Task Can_Find_And_Map_Result()
{
//Given
const int itemsCount = 3;
var collection = await Database.OnceAndSaveAsync(async db =>
{
var collection = new Collection {
Name = "A Collection"
};
for (var i = 0; i < itemsCount; i++)
{
collection.TodoItems.Add(new TodoItem {
Name = $"Item{i}"
});
}
await db.Collections.AddAsync(collection);
return(collection);
});
//When
var result = await Database.OnceAsync(async db =>
{
var repository = new CollectionRepository(db);
return(await repository.FindAndMapAsync(collection.Id, c => new
{
Collection = c,
TodoItemsCount = c.TodoItems.Count,
}));
});
//Then
Assert.Equal(collection.Id, result.Collection.Id);
Assert.Equal(itemsCount, result.TodoItemsCount);
}
public async Task Mapped_Found_Collection_Should_Not_Be_Tracked()
{
//Given
const string realName = "A Collection";
const int itemsCount = 3;
var collectionId = await Database.OnceAsync(async db =>
{
var repo = new CollectionRepository(db);
var collection = new Collection {
Name = realName
};
for (var i = 0; i < itemsCount; i++)
{
collection.TodoItems.Add(new TodoItem {
Name = $"Item{i}"
});
}
await repo.AddAsync(collection);
return(collection.Id);
});
//When
await Database.OnceAsync(async db =>
{
var repo = new CollectionRepository(db);
var found = await repo.FindAndMapAsync(collectionId, collection => new
{
Collection = collection,
TodoItemsCount = collection.TodoItems.Count,
});
Assert.Equal(itemsCount, found.TodoItemsCount);
found.Collection.Name = "Manipulated Name";
await db.SaveChangesAsync();
});
//Then
var result = await Database.OnceAsync(async db =>
await db.Collections.FindAsync(collectionId));
Assert.Equal(realName, result.Name);
}
