public async Task DeletePreviousUserAllergensByUserId_WithExistentUserId_ShouldSuccessfullyDelete()
{
var errorMessagePrefix = "UserAllergenService DeletePreviousUserAllergensByUserId() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var userAllergenRepository = new EfRepository <UserAllergen>(context);
var userAllergenService = new UserAllergenService(userAllergenRepository);
await this.SeedDataAsync(context);
var userId = context.Users.First(x => x.Biography == "User with milk and eggs allergies").Id;
// Act
var userAllergensCount = userAllergenRepository.All().Count();
userAllergenService.DeletePreviousUserAllergensByUserId(userId);
await userAllergenRepository.SaveChangesAsync();
var actualResult = userAllergenRepository.All().Count();
var expectedResult = userAllergensCount - 2;
// Assert
Assert.True(expectedResult == actualResult, errorMessagePrefix + " " + "Count is not reduced properly.");
}
public async Task DeletePreviousUserAllergensByUserId_WithNonExistentUserId_ShouldWorkProperly()
{
var errorMessagePrefix = "RecipeAllergenService DeletePreviousRecipeAllergensByRecipeId() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var userAllergenRepository = new EfRepository <UserAllergen>(context);
var userAllergenService = new UserAllergenService(userAllergenRepository);
await this.SeedDataAsync(context);
var nonExistentUserId = Guid.NewGuid().ToString();
// Act
var userAllergensCount = userAllergenRepository.All().Count();
userAllergenService.DeletePreviousUserAllergensByUserId(nonExistentUserId);
await userAllergenRepository.SaveChangesAsync();
var actualResult = userAllergenRepository.All().Count();
var expectedResult = userAllergensCount;
// Assert
Assert.True(expectedResult == actualResult, errorMessagePrefix + " " + "Count does not match.");
}