public async Task DeleteByUserIdAndShoppingListIdAsync_WithExistentUserIdAndShoppingListId_ShouldSuccessfullyDelete()
{
var errorMessagePrefix = "UserShoppingListService DeleteByUserIdAndShoppingListIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var userShoppingListRepository = new EfRepository <UserShoppingList>(context);
var userShoppingListService = new UserShoppingListService(userShoppingListRepository);
await this.SeedDataAsync(context);
var userId = context.Users.First(x => x.FullName == "User 1").Id;
var shoppingListId = context.ShoppingLists.First(x => x.Ingredients == "Ingredients 1").Id;
// Act
var userShoppingListsCount = userShoppingListRepository.All().Count();
await userShoppingListService
.DeleteByUserIdAndShoppingListIdAsync(userId, shoppingListId);
var actualResult = userShoppingListRepository.All().Count();
var expectedResult = userShoppingListsCount - 1;
// Assert
Assert.True(expectedResult == actualResult, errorMessagePrefix + " " + "Count is not reduced properly.");
}
public async Task DeleteByUserIdAndShoppingListIdAsync_WithNonExistentUserIdAndShoppingListId_ShouldThrowArgumentNullException()
{
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var userShoppingListRepository = new EfRepository <UserShoppingList>(context);
var userShoppingListService = new UserShoppingListService(userShoppingListRepository);
await this.SeedDataAsync(context);
var nonExistentUserId = Guid.NewGuid().ToString();
var nonExistentShoppingListId = Guid.NewGuid().ToString();
// Act
// Assert
await Assert.ThrowsAsync <ArgumentNullException>(async() =>
{
await userShoppingListService
.DeleteByUserIdAndShoppingListIdAsync(nonExistentUserId, nonExistentShoppingListId);
});
}
public async Task DeleteByUserIdAndShoppingListIdAsync_WithExistentUserIdAndShoppingListId_ShouldReturnCorrectResult()
{
var errorMessagePrefix = "UserShoppingListService DeleteByUserIdAndShoppingListIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var userShoppingListRepository = new EfRepository <UserShoppingList>(context);
var userShoppingListService = new UserShoppingListService(userShoppingListRepository);
await this.SeedDataAsync(context);
var userId = context.Users.First(x => x.FullName == "User 1").Id;
var shoppingListId = context.ShoppingLists.First(x => x.Ingredients == "Ingredients 1").Id;
// Act
var result = await userShoppingListService
.DeleteByUserIdAndShoppingListIdAsync(userId, shoppingListId);
// Assert
Assert.True(result, errorMessagePrefix + " " + "Returns false.");
}