public async Task <IEnumerable <BasketItem> > GetAllBasketProducts() { try { await _semaphorePool.WaitAsync(); Dictionary <int, int> productList = null; string productIdsJson = await _localStorageService.GetItemAsStringAsync("productIds"); if (productIdsJson == null) { _semaphorePool.Release(); return(Enumerable.Empty <BasketItem>()); } productList = JsonConvert.DeserializeObject <Dictionary <int, int> >(productIdsJson); _semaphorePool.Release(); return(productList.Select(x => new BasketItem() { ProductId = x.Key, Amount = x.Value }).ToList()); } catch (Exception e) { return(Enumerable.Empty <BasketItem>()); } }
public void ThrowsArgumentNullException_When_KeyIsInvalid(string key) { // arrange / act var action = new Func <Task>(async() => await _sut.GetItemAsStringAsync(key)); // assert Assert.ThrowsAsync <ArgumentNullException>(action); }
public async Task <string> AuthenticationToken() { return(await _localStorageService.GetItemAsStringAsync("token")); }