public void AddPokemonToUserFavorites_ReturnsUserNotFoundException()
        {
            #region Arrange
            int    pokemonId       = PokemonIdMother.Id();
            string userId          = UserIdMother.Id();
            string expectedMessage = $"User '{userId}' does not exists";

            var userRepository = new Mock <UserRepository>();

            userRepository
            .Setup(r => r.SaveFavorites(It.IsAny <User>()));

            UserFinder                userFinder                = new UserFinder(userRepository.Object);
            PokemonFavoriteCreator    pokemonFavoriteCreator    = new PokemonFavoriteCreator(userRepository.Object);
            AddPokemonToUserFavorites addPokemonToUserFavorites = new AddPokemonToUserFavorites(userFinder, pokemonFavoriteCreator);

            #endregion

            #region Act
            var exception = Record.ExceptionAsync(async() => await addPokemonToUserFavorites.Execute(userId, pokemonId));

            #endregion

            #region Assert
            Assert.Equal(expectedMessage, exception.Result.Message);

            #endregion
        }
        public async Task AddPokemonToUserFavorites_ReturnsVoid()
        {
            #region Arrange
            int    pokemonId      = PokemonIdMother.Id();
            string userId         = UserIdMother.Id();
            var    userRepository = new Mock <UserRepository>();

            userRepository
            .Setup(r => r.Find(It.IsAny <UserId>()))
            .ReturnsAsync(UserMother.User(userId));

            userRepository
            .Setup(r => r.Exists(It.IsAny <UserId>()))
            .ReturnsAsync(true);

            userRepository
            .Setup(r => r.SaveFavorites(It.IsAny <User>()));

            UserFinder                userFinder                = new UserFinder(userRepository.Object);
            PokemonFavoriteCreator    pokemonFavoriteCreator    = new PokemonFavoriteCreator(userRepository.Object);
            AddPokemonToUserFavorites addPokemonToUserFavorites = new AddPokemonToUserFavorites(userFinder, pokemonFavoriteCreator);

            #endregion

            #region Act
            await addPokemonToUserFavorites.Execute(userId, pokemonId);

            #endregion

            #region Assert
            userRepository.Verify(r => r.SaveFavorites(It.IsAny <User>()), Times.Once());
            #endregion
        }
        public async Task <IActionResult> Put([Required][FromHeader(Name = "userId")]
                                              string userId, int pokemonId)
        {
            try
            {
                await _addPokemonToUserFavorites.Execute(userId, pokemonId);

                return(Created($"user/addFavorite/{pokemonId}", pokemonId));
            }
            catch (UserNotFoundException ex)
            {
                return(NotFound(ex.Message));
            }
            catch (PokemonFavoriteExistsException ex)
            {
                return(Conflict(ex.Message));
            }
            catch (Exception ex)
            {
                return(StatusCode(500, ex.Message));
            }
        }
        public void AddPokemonToUserFavorites_ReturnsPokemonAlreadyExistsException()
        {
            #region Arrange
            int    pokemonId       = PokemonIdMother.Id();
            string userId          = UserIdMother.Id();
            string expectedMessage = $"The pokemon with Id '{pokemonId}' already exists in user favorites list";

            var userRepository = new Mock <UserRepository>();

            userRepository
            .Setup(r => r.Find(It.IsAny <UserId>()))
            .ReturnsAsync(UserMother.UserWithFavorites(userId, pokemonId));

            userRepository
            .Setup(r => r.Exists(It.IsAny <UserId>()))
            .ReturnsAsync(true);

            userRepository
            .Setup(r => r.SaveFavorites(It.IsAny <User>()));

            UserFinder                userFinder                = new UserFinder(userRepository.Object);
            PokemonFavoriteCreator    pokemonFavoriteCreator    = new PokemonFavoriteCreator(userRepository.Object);
            AddPokemonToUserFavorites addPokemonToUserFavorites = new AddPokemonToUserFavorites(userFinder, pokemonFavoriteCreator);

            #endregion

            #region Act
            var exception = Record.ExceptionAsync(async() => await addPokemonToUserFavorites.Execute(userId, pokemonId));

            #endregion

            #region Assert
            Assert.Equal(expectedMessage, exception.Result.Message);

            #endregion
        }