public async Task DeletePreviousRecipeAllergensByRecipeId_WithExistentRecipeId_ShouldSuccessfullyDelete()
{
var errorMessagePrefix = "RecipeAllergenService DeletePreviousRecipeAllergensByRecipeId() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var recipeAllergenRepository = new EfRepository <RecipeAllergen>(context);
var recipeAllergenService = new RecipeAllergenService(recipeAllergenRepository);
await this.SeedDataAsync(context);
var recipeId = context.Recipes.First(x => x.Title == "Recipe with milk and eggs").Id;
// Act
var recipeAllergensCount = recipeAllergenRepository.All().Count();
recipeAllergenService.DeletePreviousRecipeAllergensByRecipeId(recipeId);
await recipeAllergenRepository.SaveChangesAsync();
var actualResult = recipeAllergenRepository.All().Count();
var expectedResult = recipeAllergensCount - 2;
// Assert
Assert.True(expectedResult == actualResult, errorMessagePrefix + " " + "Count is not reduced properly.");
}
public async Task DeletePreviousRecipeAllergensByRecipeId_WithNonExistentRecipeId_ShouldWorkProperly()
{
var errorMessagePrefix = "RecipeAllergenService DeletePreviousRecipeAllergensByRecipeId() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var recipeAllergenRepository = new EfRepository <RecipeAllergen>(context);
var recipeAllergenService = new RecipeAllergenService(recipeAllergenRepository);
await this.SeedDataAsync(context);
var nonExistentRecipeId = Guid.NewGuid().ToString();
// Act
var recipeAllergensCount = recipeAllergenRepository.All().Count();
recipeAllergenService.DeletePreviousRecipeAllergensByRecipeId(nonExistentRecipeId);
await recipeAllergenRepository.SaveChangesAsync();
var actualResult = recipeAllergenRepository.All().Count();
var expectedResult = recipeAllergensCount;
// Assert
Assert.True(expectedResult == actualResult, errorMessagePrefix + " " + "Count does not match.");
}