CartService.java

package com.rbctcsworld.ecommerce.cart;

import com.rbctcsworld.ecommerce.auth.AppUser;
import com.rbctcsworld.ecommerce.auth.UserRepository;
import com.rbctcsworld.ecommerce.cart.CartDtos.CartLine;
import com.rbctcsworld.ecommerce.cart.CartDtos.CartResponse;
import com.rbctcsworld.ecommerce.common.exception.BusinessRuleException;
import com.rbctcsworld.ecommerce.common.exception.ConflictException;
import com.rbctcsworld.ecommerce.common.exception.NotFoundException;
import com.rbctcsworld.ecommerce.product.Product;
import com.rbctcsworld.ecommerce.product.ProductRepository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.List;

/**
 * Business rules:
 *  1. Only active products can be added.
 *  2. Adding a product already in the cart increases its quantity (no duplicate lines).
 *  3. Quantity per line: 1..MAX_QTY_PER_ITEM.
 *  4. Quantity may not exceed current stock (409 Conflict).
 *  5. A customer can only see/change their own cart items (others' ids give 404).
 *  Prices are NOT stored in the cart; the current product price is always shown.
 */
@Service
@Transactional
public class CartService {

    public static final int MAX_QTY_PER_ITEM = 10;

    private final CartItemRepository items;
    private final ProductRepository products;
    private final UserRepository users;

    public CartService(CartItemRepository items, ProductRepository products, UserRepository users) {
        this.items = items;
        this.products = products;
        this.users = users;
    }

    @Transactional(readOnly = true)
    public CartResponse getCart(String email) {
        return buildCart(user(email).getId());
    }

    public CartResponse addItem(String email, Long productId, int quantity) {
        AppUser user = user(email);
        Product product = products.findByIdAndActiveTrue(productId)
                .orElseThrow(() -> new NotFoundException("Product not found: " + productId));

        CartItem item = items.findByUserIdAndProductId(user.getId(), product.getId()).orElse(null);
        int newQuantity = (item == null ? 0 : item.getQuantity()) + quantity;
        validateQuantity(product, newQuantity);

        if (item == null) {
            item = new CartItem(user.getId(), product, newQuantity);
        } else {
            item.setQuantity(newQuantity);
        }
        items.save(item);
        return buildCart(user.getId());
    }

    public CartResponse updateItem(String email, Long itemId, int quantity) {
        AppUser user = user(email);
        CartItem item = ownedItem(itemId, user.getId());
        validateQuantity(item.getProduct(), quantity);
        item.setQuantity(quantity);
        items.save(item);
        return buildCart(user.getId());
    }

    public CartResponse removeItem(String email, Long itemId) {
        AppUser user = user(email);
        items.delete(ownedItem(itemId, user.getId()));
        return buildCart(user.getId());
    }

    public void clear(String email) {
        items.deleteByUserId(user(email).getId());
    }

    private void validateQuantity(Product product, int quantity) {
        if (quantity < 1 || quantity > MAX_QTY_PER_ITEM) {
            throw new BusinessRuleException("Quantity per item must be between 1 and " + MAX_QTY_PER_ITEM);
        }
        if (!product.isActive()) {
            throw new NotFoundException("Product not found: " + product.getId());
        }
        if (quantity > product.getStock()) {
            throw new ConflictException("Insufficient stock for " + product.getSku()
                    + ": requested " + quantity + ", available " + product.getStock());
        }
    }

    private CartItem ownedItem(Long itemId, Long userId) {
        return items.findByIdAndUserId(itemId, userId)
                .orElseThrow(() -> new NotFoundException("Cart item not found: " + itemId));
    }

    private AppUser user(String email) {
        return users.findByEmail(email)
                .orElseThrow(() -> new NotFoundException("User not found"));
    }

    private CartResponse buildCart(Long userId) {
        List<CartLine> lines = items.findByUserIdOrderByIdAsc(userId).stream().map(this::toLine).toList();
        int totalQuantity = lines.stream().mapToInt(CartLine::quantity).sum();
        BigDecimal subtotal = lines.stream().map(CartLine::lineTotal).reduce(BigDecimal.ZERO, BigDecimal::add);
        return new CartResponse(lines, totalQuantity, subtotal);
    }

    private CartLine toLine(CartItem i) {
        Product p = i.getProduct();
        BigDecimal lineTotal = p.currentPrice().multiply(BigDecimal.valueOf(i.getQuantity()));
        boolean available = p.isActive() && p.getStock() >= i.getQuantity();
        return new CartLine(i.getId(), p.getId(), p.getSku(), p.displayName(), p.currentPrice(),
                i.getQuantity(), lineTotal, available);
    }
}

























Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NULL_RETURNS
PRIMITIVE_RETURNS
REMOVE_CONDITIONALS_EQUAL_ELSE
REMOVE_CONDITIONALS_ORDER_ELSE
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMustBeBetween1And10()] (1 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addingSameProductAgainMergesQuantity()] (1 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMayUseTheLastUnitButNotMore()] (3 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addNewProductCreatesLine()] (3 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:lineIsUnavailableWhenStockDropsBelowCartQuantity()] (92 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:productTakenOffSaleCannotBeUpdatedAndShowsUnavailable()] (1 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addMoreThanStockIsConflict()] (0 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:mergedQuantityAboveLimitIsRejected()] (1 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatingAnotherCustomersItemIsNotFound()] (1 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:removeDeletesTheOwnedLineAndClearEmptiesTheCart()] (0 ms)
com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addInactiveOrUnknownProductIsNotFound()] (1 ms)

Report generated by PIT 1.30.0 support

1		package com.rbctcsworld.ecommerce.cart;
2
3		import com.rbctcsworld.ecommerce.auth.AppUser;
4		import com.rbctcsworld.ecommerce.auth.UserRepository;
5		import com.rbctcsworld.ecommerce.cart.CartDtos.CartLine;
6		import com.rbctcsworld.ecommerce.cart.CartDtos.CartResponse;
7		import com.rbctcsworld.ecommerce.common.exception.BusinessRuleException;
8		import com.rbctcsworld.ecommerce.common.exception.ConflictException;
9		import com.rbctcsworld.ecommerce.common.exception.NotFoundException;
10		import com.rbctcsworld.ecommerce.product.Product;
11		import com.rbctcsworld.ecommerce.product.ProductRepository;
12		import org.springframework.stereotype.Service;
13		import org.springframework.transaction.annotation.Transactional;
14
15		import java.math.BigDecimal;
16		import java.util.List;
17
18		/**
19		* Business rules:
20		* 1. Only active products can be added.
21		* 2. Adding a product already in the cart increases its quantity (no duplicate lines).
22		* 3. Quantity per line: 1..MAX_QTY_PER_ITEM.
23		* 4. Quantity may not exceed current stock (409 Conflict).
24		* 5. A customer can only see/change their own cart items (others' ids give 404).
25		* Prices are NOT stored in the cart; the current product price is always shown.
26		*/
27		@Service
28		@Transactional
29		public class CartService {
30
31		public static final int MAX_QTY_PER_ITEM = 10;
32
33		private final CartItemRepository items;
34		private final ProductRepository products;
35		private final UserRepository users;
36
37		public CartService(CartItemRepository items, ProductRepository products, UserRepository users) {
38		this.items = items;
39		this.products = products;
40		this.users = users;
41		}
42
43		@Transactional(readOnly = true)
44		public CartResponse getCart(String email) {
45	1 1. getCart : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::getCart → KILLED	return buildCart(user(email).getId());
46		}
47
48		public CartResponse addItem(String email, Long productId, int quantity) {
49		AppUser user = user(email);
50		Product product = products.findByIdAndActiveTrue(productId)
51	1 1. lambda$addItem$0 : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::lambda$addItem$0 → KILLED	.orElseThrow(() -> new NotFoundException("Product not found: " + productId));
52
53		CartItem item = items.findByUserIdAndProductId(user.getId(), product.getId()).orElse(null);
54	2 1. addItem : removed conditional - replaced equality check with false → KILLED 2. addItem : Replaced integer addition with subtraction → KILLED	int newQuantity = (item == null ? 0 : item.getQuantity()) + quantity;
55	1 1. addItem : removed call to com/rbctcsworld/ecommerce/cart/CartService::validateQuantity → KILLED	validateQuantity(product, newQuantity);
56
57	1 1. addItem : removed conditional - replaced equality check with false → KILLED	if (item == null) {
58		item = new CartItem(user.getId(), product, newQuantity);
59		} else {
60	1 1. addItem : removed call to com/rbctcsworld/ecommerce/cart/CartItem::setQuantity → KILLED	item.setQuantity(newQuantity);
61		}
62		items.save(item);
63	1 1. addItem : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::addItem → KILLED	return buildCart(user.getId());
64		}
65
66		public CartResponse updateItem(String email, Long itemId, int quantity) {
67		AppUser user = user(email);
68		CartItem item = ownedItem(itemId, user.getId());
69	1 1. updateItem : removed call to com/rbctcsworld/ecommerce/cart/CartService::validateQuantity → KILLED	validateQuantity(item.getProduct(), quantity);
70	1 1. updateItem : removed call to com/rbctcsworld/ecommerce/cart/CartItem::setQuantity → KILLED	item.setQuantity(quantity);
71		items.save(item);
72	1 1. updateItem : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::updateItem → KILLED	return buildCart(user.getId());
73		}
74
75		public CartResponse removeItem(String email, Long itemId) {
76		AppUser user = user(email);
77	1 1. removeItem : removed call to com/rbctcsworld/ecommerce/cart/CartItemRepository::delete → KILLED	items.delete(ownedItem(itemId, user.getId()));
78	1 1. removeItem : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::removeItem → KILLED	return buildCart(user.getId());
79		}
80
81		public void clear(String email) {
82	1 1. clear : removed call to com/rbctcsworld/ecommerce/cart/CartItemRepository::deleteByUserId → KILLED	items.deleteByUserId(user(email).getId());
83		}
84
85		private void validateQuantity(Product product, int quantity) {
86	4 1. validateQuantity : changed conditional boundary → KILLED 2. validateQuantity : removed conditional - replaced comparison check with false → KILLED 3. validateQuantity : changed conditional boundary → KILLED 4. validateQuantity : removed conditional - replaced comparison check with false → KILLED	if (quantity < 1 \|\| quantity > MAX_QTY_PER_ITEM) {
87		throw new BusinessRuleException("Quantity per item must be between 1 and " + MAX_QTY_PER_ITEM);
88		}
89	1 1. validateQuantity : removed conditional - replaced equality check with false → KILLED	if (!product.isActive()) {
90		throw new NotFoundException("Product not found: " + product.getId());
91		}
92	2 1. validateQuantity : changed conditional boundary → KILLED 2. validateQuantity : removed conditional - replaced comparison check with false → KILLED	if (quantity > product.getStock()) {
93		throw new ConflictException("Insufficient stock for " + product.getSku()
94		+ ": requested " + quantity + ", available " + product.getStock());
95		}
96		}
97
98		private CartItem ownedItem(Long itemId, Long userId) {
99	1 1. ownedItem : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::ownedItem → KILLED	return items.findByIdAndUserId(itemId, userId)
100	1 1. lambda$ownedItem$1 : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::lambda$ownedItem$1 → KILLED	.orElseThrow(() -> new NotFoundException("Cart item not found: " + itemId));
101		}
102
103		private AppUser user(String email) {
104	1 1. user : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::user → KILLED	return users.findByEmail(email)
105	1 1. lambda$user$2 : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::lambda$user$2 → NO_COVERAGE	.orElseThrow(() -> new NotFoundException("User not found"));
106		}
107
108		private CartResponse buildCart(Long userId) {
109		List<CartLine> lines = items.findByUserIdOrderByIdAsc(userId).stream().map(this::toLine).toList();
110		int totalQuantity = lines.stream().mapToInt(CartLine::quantity).sum();
111		BigDecimal subtotal = lines.stream().map(CartLine::lineTotal).reduce(BigDecimal.ZERO, BigDecimal::add);
112	1 1. buildCart : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::buildCart → KILLED	return new CartResponse(lines, totalQuantity, subtotal);
113		}
114
115		private CartLine toLine(CartItem i) {
116		Product p = i.getProduct();
117		BigDecimal lineTotal = p.currentPrice().multiply(BigDecimal.valueOf(i.getQuantity()));
118	3 1. toLine : changed conditional boundary → KILLED 2. toLine : removed conditional - replaced comparison check with false → KILLED 3. toLine : removed conditional - replaced equality check with false → KILLED	boolean available = p.isActive() && p.getStock() >= i.getQuantity();
119	1 1. toLine : replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::toLine → KILLED	return new CartLine(i.getId(), p.getId(), p.getSku(), p.displayName(), p.currentPrice(),
120		i.getQuantity(), lineTotal, available);
121		}
122		}
		Mutations
45		1.1 Location : getCart Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:productTakenOffSaleCannotBeUpdatedAndShowsUnavailable()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::getCart → KILLED
51		1.1 Location : lambda$addItem$0 Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addInactiveOrUnknownProductIsNotFound()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::lambda$addItem$0 → KILLED
54		1.1 Location : addItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addMoreThanStockIsConflict()] removed conditional - replaced equality check with false → KILLED 2.2 Location : addItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addMoreThanStockIsConflict()] Replaced integer addition with subtraction → KILLED
55		1.1 Location : addItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addMoreThanStockIsConflict()] removed call to com/rbctcsworld/ecommerce/cart/CartService::validateQuantity → KILLED
57		1.1 Location : addItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addNewProductCreatesLine()] removed conditional - replaced equality check with false → KILLED
60		1.1 Location : addItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addingSameProductAgainMergesQuantity()] removed call to com/rbctcsworld/ecommerce/cart/CartItem::setQuantity → KILLED
63		1.1 Location : addItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addNewProductCreatesLine()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::addItem → KILLED
69		1.1 Location : updateItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMustBeBetween1And10()] removed call to com/rbctcsworld/ecommerce/cart/CartService::validateQuantity → KILLED
70		1.1 Location : updateItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMustBeBetween1And10()] removed call to com/rbctcsworld/ecommerce/cart/CartItem::setQuantity → KILLED
72		1.1 Location : updateItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMustBeBetween1And10()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::updateItem → KILLED
77		1.1 Location : removeItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:removeDeletesTheOwnedLineAndClearEmptiesTheCart()] removed call to com/rbctcsworld/ecommerce/cart/CartItemRepository::delete → KILLED
78		1.1 Location : removeItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:removeDeletesTheOwnedLineAndClearEmptiesTheCart()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::removeItem → KILLED
82		1.1 Location : clear Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:removeDeletesTheOwnedLineAndClearEmptiesTheCart()] removed call to com/rbctcsworld/ecommerce/cart/CartItemRepository::deleteByUserId → KILLED
86		1.1 Location : validateQuantity Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMustBeBetween1And10()] changed conditional boundary → KILLED 2.2 Location : validateQuantity Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:mergedQuantityAboveLimitIsRejected()] removed conditional - replaced comparison check with false → KILLED 3.3 Location : validateQuantity Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMustBeBetween1And10()] changed conditional boundary → KILLED 4.4 Location : validateQuantity Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addMoreThanStockIsConflict()] removed conditional - replaced comparison check with false → KILLED
89		1.1 Location : validateQuantity Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:productTakenOffSaleCannotBeUpdatedAndShowsUnavailable()] removed conditional - replaced equality check with false → KILLED
92		1.1 Location : validateQuantity Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addingSameProductAgainMergesQuantity()] changed conditional boundary → KILLED 2.2 Location : validateQuantity Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addMoreThanStockIsConflict()] removed conditional - replaced comparison check with false → KILLED
99		1.1 Location : ownedItem Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:removeDeletesTheOwnedLineAndClearEmptiesTheCart()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::ownedItem → KILLED
100		1.1 Location : lambda$ownedItem$1 Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatingAnotherCustomersItemIsNotFound()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::lambda$ownedItem$1 → KILLED
104		1.1 Location : user Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:addMoreThanStockIsConflict()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::user → KILLED
105		1.1 Location : lambda$user$2 Killed by : none replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::lambda$user$2 → NO_COVERAGE
112		1.1 Location : buildCart Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:removeDeletesTheOwnedLineAndClearEmptiesTheCart()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::buildCart → KILLED
118		1.1 Location : toLine Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMayUseTheLastUnitButNotMore()] changed conditional boundary → KILLED 2.2 Location : toLine Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMayUseTheLastUnitButNotMore()] removed conditional - replaced comparison check with false → KILLED 3.3 Location : toLine Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMayUseTheLastUnitButNotMore()] removed conditional - replaced equality check with false → KILLED
119		1.1 Location : toLine Killed by : com.rbctcsworld.ecommerce.cart.CartServiceTest.[engine:junit-jupiter]/[class:com.rbctcsworld.ecommerce.cart.CartServiceTest]/[method:updatedQuantityMustBeBetween1And10()] replaced return value with null for com/rbctcsworld/ecommerce/cart/CartService::toLine → KILLED

CartService.java

Mutations

Active mutators

Tests examined