public async Task GetUserFavorites_WithCorrectData_ShouldReturnAllFavoriteProducts()
{
string onFalseErrorMessage = "The method did not return the correct products.";
string onCountDifferenceErrorMessage = "The count of the returned products is not correct";
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
// Gets the user and products
var user = this.GetUser();
var products = this.GetMultipleProducts();
// Seed the needed data
await this.SeedUser(context);
await this.SeedMultipleProducts(context);
await this.SeedMultipleFavoriteProducts(context);
var userManager = UserManagerInitializer.InitializeMockedUserManager();
userManager.Setup(x => x.FindByIdAsync(user.Id)).ReturnsAsync(user);
var favoritesService = new FavoritesService(context, userManager.Object);
var methodResult = await favoritesService.GetUserFavorites(user.Id);
var expectedCountOfProducts = products.Count;
var actualCountOfProducts = 0;
foreach (var pr in methodResult)
{
actualCountOfProducts++;
var productId = pr.Id;
var productName = pr.Name;
Assert.True(
products.Any(p => p.Id == productId && p.Name == productName),
onFalseErrorMessage);
}
AssertExtensions.EqualCountWithMessage(
expectedCountOfProducts,
actualCountOfProducts,
onCountDifferenceErrorMessage);
}
public async Task GetUserFavorites_WithNonExistingUser_ShouldReturnNull()
{
string onNonNullErrorMessage = "The method did not return a null object.";
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
// Sets a fake (non-existing user)
ApplicationUser user = null;
var userId = "fakeUserId";
var userManager = UserManagerInitializer.InitializeMockedUserManager();
userManager.Setup(x => x.FindByIdAsync(userId)).ReturnsAsync(user);
var favoritesService = new FavoritesService(context, userManager.Object);
var methodResult = await favoritesService.GetUserFavorites(userId);
AssertExtensions.NullWithMessage(methodResult, onNonNullErrorMessage);
}
public async Task GetUserFavorites_WithNoFavoriteProducts_ShouldReturnEmptyCollection()
{
string onNonEmptyCollectionErrorMessage = "The method did not return an empty collection.";
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
// Gets the user
var user = this.GetUser();
// Seed the needed data
await this.SeedUser(context);
await this.SeedMultipleProducts(context);
var userManager = UserManagerInitializer.InitializeMockedUserManager();
userManager.Setup(x => x.FindByIdAsync(user.Id)).ReturnsAsync(user);
var favoritesService = new FavoritesService(context, userManager.Object);
var methodResult = await favoritesService.GetUserFavorites(user.Id);
AssertExtensions.EmptyWithMessage(methodResult, onNonEmptyCollectionErrorMessage);
}