public async Task EditAsync_WithCorrectData_ShouldSuccessfullyEdit()
{
var errorMessagePrefix = "ShoppingListService EditAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var shoppingListRepository = new EfDeletableEntityRepository <ShoppingList>(context);
var shoppingListService = new ShoppingListService(shoppingListRepository);
var shoppingListServiceModel = shoppingListRepository
.All()
.First()
.To <ShoppingListServiceModel>();
var shoppingListId = shoppingListServiceModel.Id;
var newValue = "New Ingredients";
shoppingListServiceModel.Ingredients = newValue;
// Act
await shoppingListService.EditAsync(shoppingListId, shoppingListServiceModel);
var actualResult = shoppingListRepository.All().First();
var expectedValue = newValue;
// Assert
Assert.True(actualResult.Ingredients == expectedValue, errorMessagePrefix + " " + "Ingredients are not returned properly.");
}
public async Task EditAsync_WithNonExistentId_ShouldThrowArgumentNullException()
{
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var shoppingListRepository = new EfDeletableEntityRepository <ShoppingList>(context);
var shoppingListService = new ShoppingListService(shoppingListRepository);
var shoppingListServiceModel = new ShoppingListServiceModel();
var nonExistentId = Guid.NewGuid().ToString();
// Act
// Assert
await Assert.ThrowsAsync <ArgumentNullException>(async() =>
{
await shoppingListService.EditAsync(nonExistentId, shoppingListServiceModel);
});
}