Commit 652d77c0d7a180c54ce09f5c823220a321e1e230
1 parent
d2cd9ffe
fix(trade): 按购物车合并数量校验商品库存
采用 #1268 的合并总量校验,收敛为一次 SKU 查询。 补充新增、合并、库存边界及拒绝后不写入的 7 个服务测试。 Refs #1268, #1267
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yudao-module-mall/yudao-module-trade/src/main/java/cn/iocoder/yudao/module/trade/service/cart/CartServiceImpl.java
| @@ -46,14 +46,14 @@ public class CartServiceImpl implements CartService { | @@ -46,14 +46,14 @@ public class CartServiceImpl implements CartService { | ||
| 46 | public Long addCart(Long userId, AppCartAddReqVO addReqVO) { | 46 | public Long addCart(Long userId, AppCartAddReqVO addReqVO) { |
| 47 | // 查询 TradeCartDO | 47 | // 查询 TradeCartDO |
| 48 | CartDO cart = cartMapper.selectByUserIdAndSkuId(userId, addReqVO.getSkuId()); | 48 | CartDO cart = cartMapper.selectByUserIdAndSkuId(userId, addReqVO.getSkuId()); |
| 49 | - // 校验 SKU | ||
| 50 | - Integer count = addReqVO.getCount(); | 49 | + // 校验 SKU:已存在时,按合并后的数量校验库存 https://github.com/YunaiV/ruoyi-vue-pro/issues/1267 |
| 50 | + Integer count = cart != null ? cart.getCount() + addReqVO.getCount() : addReqVO.getCount(); | ||
| 51 | ProductSkuRespDTO sku = checkProductSku(addReqVO.getSkuId(), count); | 51 | ProductSkuRespDTO sku = checkProductSku(addReqVO.getSkuId(), count); |
| 52 | 52 | ||
| 53 | // 情况一:存在,则进行数量更新 | 53 | // 情况一:存在,则进行数量更新 |
| 54 | if (cart != null) { | 54 | if (cart != null) { |
| 55 | cartMapper.updateById(new CartDO().setId(cart.getId()).setSelected(true) | 55 | cartMapper.updateById(new CartDO().setId(cart.getId()).setSelected(true) |
| 56 | - .setCount(cart.getCount() + count)); | 56 | + .setCount(count)); |
| 57 | return cart.getId(); | 57 | return cart.getId(); |
| 58 | // 情况二:不存在,则进行插入 | 58 | // 情况二:不存在,则进行插入 |
| 59 | } else { | 59 | } else { |
yudao-module-mall/yudao-module-trade/src/test/java/cn/iocoder/yudao/module/trade/service/cart/CartServiceImplTest.java
0 → 100644
| 1 | +package cn.iocoder.yudao.module.trade.service.cart; | ||
| 2 | + | ||
| 3 | +import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest; | ||
| 4 | +import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi; | ||
| 5 | +import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO; | ||
| 6 | +import cn.iocoder.yudao.module.product.api.spu.ProductSpuApi; | ||
| 7 | +import cn.iocoder.yudao.module.trade.controller.app.cart.vo.AppCartAddReqVO; | ||
| 8 | +import cn.iocoder.yudao.module.trade.controller.app.cart.vo.AppCartUpdateCountReqVO; | ||
| 9 | +import cn.iocoder.yudao.module.trade.dal.dataobject.cart.CartDO; | ||
| 10 | +import cn.iocoder.yudao.module.trade.dal.mysql.cart.CartMapper; | ||
| 11 | +import org.junit.jupiter.api.Test; | ||
| 12 | +import org.mockito.ArgumentCaptor; | ||
| 13 | +import org.mockito.InjectMocks; | ||
| 14 | +import org.mockito.Mock; | ||
| 15 | + | ||
| 16 | +import static cn.iocoder.yudao.framework.test.core.util.AssertUtils.assertServiceException; | ||
| 17 | +import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_NOT_EXISTS; | ||
| 18 | +import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_STOCK_NOT_ENOUGH; | ||
| 19 | +import static org.junit.jupiter.api.Assertions.*; | ||
| 20 | +import static org.mockito.ArgumentMatchers.any; | ||
| 21 | +import static org.mockito.Mockito.*; | ||
| 22 | + | ||
| 23 | +/** | ||
| 24 | + * {@link CartServiceImpl} 的单元测试 | ||
| 25 | + * | ||
| 26 | + * @author 芋道源码 | ||
| 27 | + */ | ||
| 28 | +public class CartServiceImplTest extends BaseMockitoUnitTest { | ||
| 29 | + | ||
| 30 | + @InjectMocks | ||
| 31 | + private CartServiceImpl cartService; | ||
| 32 | + | ||
| 33 | + @Mock | ||
| 34 | + private CartMapper cartMapper; | ||
| 35 | + @Mock | ||
| 36 | + private ProductSpuApi productSpuApi; | ||
| 37 | + @Mock | ||
| 38 | + private ProductSkuApi productSkuApi; | ||
| 39 | + | ||
| 40 | + @Test | ||
| 41 | + public void testAddCart_insert() { | ||
| 42 | + // 准备参数 | ||
| 43 | + Long userId = 1L; | ||
| 44 | + AppCartAddReqVO reqVO = new AppCartAddReqVO().setSkuId(10L).setCount(3); | ||
| 45 | + // mock 方法 | ||
| 46 | + when(productSkuApi.getSku(eq(10L))).thenReturn(new ProductSkuRespDTO().setId(10L).setSpuId(20L).setStock(10)); | ||
| 47 | + when(cartMapper.insert(any(CartDO.class))).thenAnswer(invocation -> { | ||
| 48 | + invocation.<CartDO>getArgument(0).setId(100L); | ||
| 49 | + return 1; | ||
| 50 | + }); | ||
| 51 | + | ||
| 52 | + // 调用 | ||
| 53 | + Long cartId = cartService.addCart(userId, reqVO); | ||
| 54 | + // 断言 | ||
| 55 | + assertEquals(100L, cartId); | ||
| 56 | + ArgumentCaptor<CartDO> cartCaptor = ArgumentCaptor.forClass(CartDO.class); | ||
| 57 | + verify(cartMapper).insert(cartCaptor.capture()); | ||
| 58 | + CartDO cart = cartCaptor.getValue(); | ||
| 59 | + assertEquals(userId, cart.getUserId()); | ||
| 60 | + assertEquals(20L, cart.getSpuId()); | ||
| 61 | + assertEquals(10L, cart.getSkuId()); | ||
| 62 | + assertEquals(3, cart.getCount()); | ||
| 63 | + assertTrue(cart.getSelected()); | ||
| 64 | + verify(cartMapper, never()).updateById(any(CartDO.class)); | ||
| 65 | + } | ||
| 66 | + | ||
| 67 | + @Test | ||
| 68 | + public void testAddCart_mergeBelowStock() { | ||
| 69 | + // 准备参数 | ||
| 70 | + Long userId = 1L; | ||
| 71 | + AppCartAddReqVO reqVO = new AppCartAddReqVO().setSkuId(10L).setCount(2); | ||
| 72 | + // mock 数据 | ||
| 73 | + CartDO dbCart = new CartDO().setId(100L).setUserId(userId).setSpuId(20L).setSkuId(10L) | ||
| 74 | + .setCount(3).setSelected(false); | ||
| 75 | + when(cartMapper.selectByUserIdAndSkuId(eq(userId), eq(10L))).thenReturn(dbCart); | ||
| 76 | + // mock 方法 | ||
| 77 | + when(productSkuApi.getSku(eq(10L))).thenReturn(new ProductSkuRespDTO().setId(10L).setSpuId(20L).setStock(10)); | ||
| 78 | + | ||
| 79 | + // 调用 | ||
| 80 | + Long cartId = cartService.addCart(userId, reqVO); | ||
| 81 | + // 断言 | ||
| 82 | + assertEquals(100L, cartId); | ||
| 83 | + ArgumentCaptor<CartDO> cartCaptor = ArgumentCaptor.forClass(CartDO.class); | ||
| 84 | + verify(cartMapper).updateById(cartCaptor.capture()); | ||
| 85 | + CartDO cart = cartCaptor.getValue(); | ||
| 86 | + assertEquals(100L, cart.getId()); | ||
| 87 | + assertEquals(5, cart.getCount()); | ||
| 88 | + assertTrue(cart.getSelected()); | ||
| 89 | + verify(cartMapper, never()).insert(any(CartDO.class)); | ||
| 90 | + } | ||
| 91 | + | ||
| 92 | + @Test | ||
| 93 | + public void testAddCart_mergeEqualsStock() { | ||
| 94 | + // 准备参数 | ||
| 95 | + Long userId = 1L; | ||
| 96 | + AppCartAddReqVO reqVO = new AppCartAddReqVO().setSkuId(10L).setCount(4); | ||
| 97 | + // mock 数据 | ||
| 98 | + CartDO dbCart = new CartDO().setId(100L).setUserId(userId).setSpuId(20L).setSkuId(10L) | ||
| 99 | + .setCount(6).setSelected(true); | ||
| 100 | + when(cartMapper.selectByUserIdAndSkuId(eq(userId), eq(10L))).thenReturn(dbCart); | ||
| 101 | + // mock 方法 | ||
| 102 | + when(productSkuApi.getSku(eq(10L))).thenReturn(new ProductSkuRespDTO().setId(10L).setSpuId(20L).setStock(10)); | ||
| 103 | + | ||
| 104 | + // 调用 | ||
| 105 | + Long cartId = cartService.addCart(userId, reqVO); | ||
| 106 | + // 断言 | ||
| 107 | + assertEquals(100L, cartId); | ||
| 108 | + ArgumentCaptor<CartDO> cartCaptor = ArgumentCaptor.forClass(CartDO.class); | ||
| 109 | + verify(cartMapper).updateById(cartCaptor.capture()); | ||
| 110 | + assertEquals(10, cartCaptor.getValue().getCount()); | ||
| 111 | + } | ||
| 112 | + | ||
| 113 | + @Test | ||
| 114 | + public void testAddCart_mergeOverStock() { | ||
| 115 | + // 准备参数:本次数量、已有数量都未超过库存,但合并后超过 | ||
| 116 | + Long userId = 1L; | ||
| 117 | + AppCartAddReqVO reqVO = new AppCartAddReqVO().setSkuId(10L).setCount(3); | ||
| 118 | + // mock 数据 | ||
| 119 | + CartDO dbCart = new CartDO().setId(100L).setUserId(userId).setSpuId(20L).setSkuId(10L) | ||
| 120 | + .setCount(8).setSelected(false); | ||
| 121 | + when(cartMapper.selectByUserIdAndSkuId(eq(userId), eq(10L))).thenReturn(dbCart); | ||
| 122 | + // mock 方法 | ||
| 123 | + when(productSkuApi.getSku(eq(10L))).thenReturn(new ProductSkuRespDTO().setId(10L).setSpuId(20L).setStock(10)); | ||
| 124 | + | ||
| 125 | + // 调用,并断言异常 | ||
| 126 | + assertServiceException(() -> cartService.addCart(userId, reqVO), SKU_STOCK_NOT_ENOUGH); | ||
| 127 | + // 断言:未写入,且原购物项未被修改 | ||
| 128 | + verify(cartMapper, never()).updateById(any(CartDO.class)); | ||
| 129 | + verify(cartMapper, never()).insert(any(CartDO.class)); | ||
| 130 | + assertEquals(8, dbCart.getCount()); | ||
| 131 | + assertFalse(dbCart.getSelected()); | ||
| 132 | + } | ||
| 133 | + | ||
| 134 | + @Test | ||
| 135 | + public void testAddCart_skuNotExists() { | ||
| 136 | + // 准备参数 | ||
| 137 | + Long userId = 1L; | ||
| 138 | + AppCartAddReqVO reqVO = new AppCartAddReqVO().setSkuId(10L).setCount(1); | ||
| 139 | + // mock 数据 | ||
| 140 | + CartDO dbCart = new CartDO().setId(100L).setUserId(userId).setSpuId(20L).setSkuId(10L) | ||
| 141 | + .setCount(1).setSelected(true); | ||
| 142 | + when(cartMapper.selectByUserIdAndSkuId(eq(userId), eq(10L))).thenReturn(dbCart); | ||
| 143 | + // mock 方法:SKU 已被删除 | ||
| 144 | + when(productSkuApi.getSku(eq(10L))).thenReturn(null); | ||
| 145 | + | ||
| 146 | + // 调用,并断言异常 | ||
| 147 | + assertServiceException(() -> cartService.addCart(userId, reqVO), SKU_NOT_EXISTS); | ||
| 148 | + // 断言:未写入 | ||
| 149 | + verify(cartMapper, never()).updateById(any(CartDO.class)); | ||
| 150 | + verify(cartMapper, never()).insert(any(CartDO.class)); | ||
| 151 | + } | ||
| 152 | + | ||
| 153 | + @Test | ||
| 154 | + public void testUpdateCartCount_equalsStock() { | ||
| 155 | + // 准备参数 | ||
| 156 | + Long userId = 1L; | ||
| 157 | + AppCartUpdateCountReqVO reqVO = new AppCartUpdateCountReqVO().setId(100L).setCount(10); | ||
| 158 | + // mock 数据 | ||
| 159 | + when(cartMapper.selectById(eq(100L), eq(userId))).thenReturn(new CartDO().setId(100L).setUserId(userId) | ||
| 160 | + .setSpuId(20L).setSkuId(10L).setCount(3).setSelected(true)); | ||
| 161 | + // mock 方法 | ||
| 162 | + when(productSkuApi.getSku(eq(10L))).thenReturn(new ProductSkuRespDTO().setId(10L).setSpuId(20L).setStock(10)); | ||
| 163 | + | ||
| 164 | + // 调用 | ||
| 165 | + cartService.updateCartCount(userId, reqVO); | ||
| 166 | + // 断言 | ||
| 167 | + ArgumentCaptor<CartDO> cartCaptor = ArgumentCaptor.forClass(CartDO.class); | ||
| 168 | + verify(cartMapper).updateById(cartCaptor.capture()); | ||
| 169 | + assertEquals(100L, cartCaptor.getValue().getId()); | ||
| 170 | + assertEquals(10, cartCaptor.getValue().getCount()); | ||
| 171 | + } | ||
| 172 | + | ||
| 173 | + @Test | ||
| 174 | + public void testUpdateCartCount_overStock() { | ||
| 175 | + // 准备参数 | ||
| 176 | + Long userId = 1L; | ||
| 177 | + AppCartUpdateCountReqVO reqVO = new AppCartUpdateCountReqVO().setId(100L).setCount(11); | ||
| 178 | + // mock 数据 | ||
| 179 | + when(cartMapper.selectById(eq(100L), eq(userId))).thenReturn(new CartDO().setId(100L).setUserId(userId) | ||
| 180 | + .setSpuId(20L).setSkuId(10L).setCount(3).setSelected(true)); | ||
| 181 | + // mock 方法 | ||
| 182 | + when(productSkuApi.getSku(eq(10L))).thenReturn(new ProductSkuRespDTO().setId(10L).setSpuId(20L).setStock(10)); | ||
| 183 | + | ||
| 184 | + // 调用,并断言异常 | ||
| 185 | + assertServiceException(() -> cartService.updateCartCount(userId, reqVO), SKU_STOCK_NOT_ENOUGH); | ||
| 186 | + // 断言:未写入 | ||
| 187 | + verify(cartMapper, never()).updateById(any(CartDO.class)); | ||
| 188 | + } | ||
| 189 | + | ||
| 190 | +} |