交易：增加 积分抵扣计算器 单元测试

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePointUsePriceCalculator.java

@@ -20,7 +20,6 @@ import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionU
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
 import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.PRICE_CALCULATE_PAY_PRICE_ILLEGAL;
 
-// TODO @疯狂：搞个单测，嘿嘿；
 /**
  * 使用积分的 {@link TradePriceCalculator} 实现类
  *
@@ -38,6 +37,8 @@ public class TradePointUsePriceCalculator implements TradePriceCalculator {
 
     @Override
     public void calculate(TradePriceCalculateReqBO param, TradePriceCalculateRespBO result) {
+        // 默认使用积分为 0
+        result.setUsePoint(0);
         // 1.1 校验是否使用积分
         if (!BooleanUtil.isTrue(param.getPointStatus())) {
             result.setUsePoint(0);
@@ -78,7 +79,7 @@ public class TradePointUsePriceCalculator implements TradePriceCalculator {
 
     private boolean isDeductPointEnable(MemberConfigRespDTO config) {
         return config != null &&
-                !BooleanUtil.isTrue(config.getPointTradeDeductEnable()) &&  // 积分功能是否启用
+                BooleanUtil.isTrue(config.getPointTradeDeductEnable()) &&  // 积分功能是否启用
                 config.getPointTradeDeductUnitPrice() != null && config.getPointTradeDeductUnitPrice() > 0; // 有没有配置：1 积分抵扣多少分
     }
 

yudao-module-mall/yudao-module-trade-biz/src/test/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePointGiveCalculatorTest.java

@@ -35,7 +35,7 @@ public class TradePointGiveCalculatorTest extends BaseMockitoUnitTest {
 
         // 准备参数
         TradePriceCalculateReqBO param = new TradePriceCalculateReqBO()
-                .setUserId(233L).setCouponId(1024L)
+                .setUserId(233L)
                 .setItems(asList(
                         new TradePriceCalculateReqBO.Item().setSkuId(10L).setCount(2).setSelected(true), // 全局积分
                         new TradePriceCalculateReqBO.Item().setSkuId(20L).setCount(3).setSelected(true), // 全局积分 + SKU 积分
@@ -61,8 +61,9 @@ public class TradePointGiveCalculatorTest extends BaseMockitoUnitTest {
         TradePriceCalculatorHelper.recountAllPrice(result);
 
         // mock 方法（积分配置 信息）
-        MemberConfigRespDTO memberConfig = randomPojo(MemberConfigRespDTO.class, o -> o.setPointTradeDeductEnable(true)
+        MemberConfigRespDTO memberConfig = randomPojo(MemberConfigRespDTO.class,
-                .setPointTradeGivePoint(100));
+                o -> o.setPointTradeDeductEnable(true)  // 启用积分折扣
+                        .setPointTradeGivePoint(100)); // 1 元赠送多少分
         when(memberConfigApi.getConfig()).thenReturn(memberConfig);
 
         // 调用

yudao-module-mall/yudao-module-trade-biz/src/test/java/cn/iocoder/yudao/module/trade/service/price/calculator/TradePointUsePriceCalculatorTest.java

@@ -0,0 +1,332 @@
+package cn.iocoder.yudao.module.trade.service.price.calculator;
+
+import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest;
+import cn.iocoder.yudao.module.member.api.config.MemberConfigApi;
+import cn.iocoder.yudao.module.member.api.config.dto.MemberConfigRespDTO;
+import cn.iocoder.yudao.module.member.api.user.MemberUserApi;
+import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionTypeEnum;
+import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
+import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+
+import java.util.ArrayList;
+
+import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
+import static java.util.Arrays.asList;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.when;
+
+/**
+ * {@link TradePointUsePriceCalculator } 的单元测试类
+ *
+ * @author owen
+ */
+public class TradePointUsePriceCalculatorTest extends BaseMockitoUnitTest {
+
+    @InjectMocks
+    private TradePointUsePriceCalculator tradePointUsePriceCalculator;
+
+    @Mock
+    private MemberConfigApi memberConfigApi;
+    @Mock
+    private MemberUserApi memberUserApi;
+
+    @Test
+    public void testCalculate_success() {
+        // 准备参数
+        TradePriceCalculateReqBO param = new TradePriceCalculateReqBO()
+                .setUserId(233L).setPointStatus(true) // 是否使用积分
+                .setItems(asList(
+                        new TradePriceCalculateReqBO.Item().setSkuId(10L).setCount(2).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(20L).setCount(3).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(30L).setCount(5).setSelected(false) // 未选中，不使用积分
+                ));
+        TradePriceCalculateRespBO result = new TradePriceCalculateRespBO()
+                .setType(TradeOrderTypeEnum.NORMAL.getType())
+                .setPrice(new TradePriceCalculateRespBO.Price())
+                .setPromotions(new ArrayList<>())
+                .setItems(asList(
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(10L).setCount(2).setSelected(true)
+                                .setPrice(100).setSpuId(1L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(20L).setCount(3).setSelected(true)
+                                .setPrice(50).setSpuId(2L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(30L).setCount(5).setSelected(false)
+                                .setPrice(30).setSpuId(3L)
+                ));
+        // 保证价格被初始化上
+        TradePriceCalculatorHelper.recountPayPrice(result.getItems());
+        TradePriceCalculatorHelper.recountAllPrice(result);
+
+        // mock 方法（积分配置 信息）
+        MemberConfigRespDTO memberConfig = randomPojo(MemberConfigRespDTO.class,
+                o -> o.setPointTradeDeductEnable(true) // 启用积分折扣
+                        .setPointTradeDeductUnitPrice(1) // 1 积分抵扣多少金额（单位分）
+                        .setPointTradeDeductMaxPrice(100)); // 积分抵扣最大值
+        when(memberConfigApi.getConfig()).thenReturn(memberConfig);
+        // mock 方法（会员 信息）
+        MemberUserRespDTO user = randomPojo(MemberUserRespDTO.class, o -> o.setId(param.getUserId()).setPoint(100));
+        when(memberUserApi.getUser(user.getId())).thenReturn(user);
+
+        // 调用
+        tradePointUsePriceCalculator.calculate(param, result);
+        // 断言：使用了多少积分
+        assertEquals(result.getUsePoint(), 100);
+        // 断言：Price 部分
+        TradePriceCalculateRespBO.Price price = result.getPrice();
+        assertEquals(price.getTotalPrice(), 350);
+        assertEquals(price.getPayPrice(), 250);
+        assertEquals(price.getPointPrice(), 100);
+        // 断言：SKU 1
+        TradePriceCalculateRespBO.OrderItem orderItem01 = result.getItems().get(0);
+        assertEquals(orderItem01.getSkuId(), 10L);
+        assertEquals(orderItem01.getCount(), 2);
+        assertEquals(orderItem01.getPrice(), 100);
+        assertEquals(orderItem01.getPointPrice(), 57);
+        assertEquals(orderItem01.getPayPrice(), 143);
+        // 断言：SKU 2
+        TradePriceCalculateRespBO.OrderItem orderItem02 = result.getItems().get(1);
+        assertEquals(orderItem02.getSkuId(), 20L);
+        assertEquals(orderItem02.getCount(), 3);
+        assertEquals(orderItem02.getPrice(), 50);
+        assertEquals(orderItem02.getPointPrice(), 43);
+        assertEquals(orderItem02.getPayPrice(), 107);
+        // 断言：SKU 3
+        TradePriceCalculateRespBO.OrderItem orderItem03 = result.getItems().get(2);
+        assertEquals(orderItem03.getSkuId(), 30L);
+        assertEquals(orderItem03.getCount(), 5);
+        assertEquals(orderItem03.getPrice(), 30);
+        assertEquals(orderItem03.getPointPrice(), 0);
+        assertEquals(orderItem03.getPayPrice(), 150);
+        // 断言：Promotion 部分
+        assertEquals(result.getPromotions().size(), 1);
+        TradePriceCalculateRespBO.Promotion promotion01 = result.getPromotions().get(0);
+        assertEquals(promotion01.getId(), user.getId());
+        assertEquals(promotion01.getName(), "积分抵扣");
+        assertEquals(promotion01.getType(), PromotionTypeEnum.POINT.getType());
+        assertEquals(promotion01.getTotalPrice(), 350);
+        assertEquals(promotion01.getDiscountPrice(), 100);
+        assertTrue(promotion01.getMatch());
+        assertEquals(promotion01.getDescription(), "积分抵扣：省 1.00 元");
+        assertEquals(promotion01.getItems().size(), 2);
+        TradePriceCalculateRespBO.PromotionItem promotionItem011 = promotion01.getItems().get(0);
+        assertEquals(promotionItem011.getSkuId(), 10L);
+        assertEquals(promotionItem011.getTotalPrice(), 200);
+        assertEquals(promotionItem011.getDiscountPrice(), 57);
+        TradePriceCalculateRespBO.PromotionItem promotionItem012 = promotion01.getItems().get(1);
+        assertEquals(promotionItem012.getSkuId(), 20L);
+        assertEquals(promotionItem012.getTotalPrice(), 150);
+        assertEquals(promotionItem012.getDiscountPrice(), 43);
+    }
+
+    /**
+     * 当用户积分充足时，抵扣的金额为：配置表的“积分抵扣最大值”
+     */
+    @Test
+    public void testCalculate_TradeDeductMaxPrice() {
+        // 准备参数
+        TradePriceCalculateReqBO param = new TradePriceCalculateReqBO()
+                .setUserId(233L).setPointStatus(true) // 是否使用积分
+                .setItems(asList(
+                        new TradePriceCalculateReqBO.Item().setSkuId(10L).setCount(2).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(20L).setCount(3).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(30L).setCount(5).setSelected(false) // 未选中，不使用积分
+                ));
+        TradePriceCalculateRespBO result = new TradePriceCalculateRespBO()
+                .setType(TradeOrderTypeEnum.NORMAL.getType())
+                .setPrice(new TradePriceCalculateRespBO.Price())
+                .setPromotions(new ArrayList<>())
+                .setItems(asList(
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(10L).setCount(2).setSelected(true)
+                                .setPrice(100).setSpuId(1L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(20L).setCount(3).setSelected(true)
+                                .setPrice(50).setSpuId(2L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(30L).setCount(5).setSelected(false)
+                                .setPrice(30).setSpuId(3L)
+                ));
+        // 保证价格被初始化上
+        TradePriceCalculatorHelper.recountPayPrice(result.getItems());
+        TradePriceCalculatorHelper.recountAllPrice(result);
+
+        // mock 方法（积分配置 信息）
+        MemberConfigRespDTO memberConfig = randomPojo(MemberConfigRespDTO.class,
+                o -> o.setPointTradeDeductEnable(true) // 启用积分折扣
+                        .setPointTradeDeductUnitPrice(1) // 1 积分抵扣多少金额（单位分）
+                        .setPointTradeDeductMaxPrice(50)); // 积分抵扣最大值
+        when(memberConfigApi.getConfig()).thenReturn(memberConfig);
+        // mock 方法（会员 信息）
+        MemberUserRespDTO user = randomPojo(MemberUserRespDTO.class, o -> o.setId(param.getUserId()).setPoint(100));
+        when(memberUserApi.getUser(user.getId())).thenReturn(user);
+
+        // 调用
+        tradePointUsePriceCalculator.calculate(param, result);
+        // 断言：使用了多少积分
+        assertEquals(result.getUsePoint(), 50);
+        // 断言：Price 部分
+        TradePriceCalculateRespBO.Price price = result.getPrice();
+        assertEquals(price.getTotalPrice(), 350);
+        assertEquals(price.getPayPrice(), 300);
+        assertEquals(price.getPointPrice(), 50);
+        // 断言：SKU 1
+        TradePriceCalculateRespBO.OrderItem orderItem01 = result.getItems().get(0);
+        assertEquals(orderItem01.getSkuId(), 10L);
+        assertEquals(orderItem01.getCount(), 2);
+        assertEquals(orderItem01.getPrice(), 100);
+        assertEquals(orderItem01.getPointPrice(), 28);
+        assertEquals(orderItem01.getPayPrice(), 172);
+        // 断言：SKU 2
+        TradePriceCalculateRespBO.OrderItem orderItem02 = result.getItems().get(1);
+        assertEquals(orderItem02.getSkuId(), 20L);
+        assertEquals(orderItem02.getCount(), 3);
+        assertEquals(orderItem02.getPrice(), 50);
+        assertEquals(orderItem02.getPointPrice(), 22);
+        assertEquals(orderItem02.getPayPrice(), 128);
+        // 断言：SKU 3
+        TradePriceCalculateRespBO.OrderItem orderItem03 = result.getItems().get(2);
+        assertEquals(orderItem03.getSkuId(), 30L);
+        assertEquals(orderItem03.getCount(), 5);
+        assertEquals(orderItem03.getPrice(), 30);
+        assertEquals(orderItem03.getPointPrice(), 0);
+        assertEquals(orderItem03.getPayPrice(), 150);
+        // 断言：Promotion 部分
+        assertEquals(result.getPromotions().size(), 1);
+        TradePriceCalculateRespBO.Promotion promotion01 = result.getPromotions().get(0);
+        assertEquals(promotion01.getId(), user.getId());
+        assertEquals(promotion01.getName(), "积分抵扣");
+        assertEquals(promotion01.getType(), PromotionTypeEnum.POINT.getType());
+        assertEquals(promotion01.getTotalPrice(), 350);
+        assertEquals(promotion01.getDiscountPrice(), 50);
+        assertTrue(promotion01.getMatch());
+        assertEquals(promotion01.getDescription(), "积分抵扣：省 0.50 元");
+        assertEquals(promotion01.getItems().size(), 2);
+        TradePriceCalculateRespBO.PromotionItem promotionItem011 = promotion01.getItems().get(0);
+        assertEquals(promotionItem011.getSkuId(), 10L);
+        assertEquals(promotionItem011.getTotalPrice(), 200);
+        assertEquals(promotionItem011.getDiscountPrice(), 28);
+        TradePriceCalculateRespBO.PromotionItem promotionItem012 = promotion01.getItems().get(1);
+        assertEquals(promotionItem012.getSkuId(), 20L);
+        assertEquals(promotionItem012.getTotalPrice(), 150);
+        assertEquals(promotionItem012.getDiscountPrice(), 22);
+    }
+
+    /**
+     * 订单不使用积分，不会产生优惠
+     */
+    @Test
+    public void testCalculate_PointStatusFalse() {
+        // 准备参数
+        TradePriceCalculateReqBO param = new TradePriceCalculateReqBO()
+                .setUserId(233L).setPointStatus(false) // 是否使用积分
+                .setItems(asList(
+                        new TradePriceCalculateReqBO.Item().setSkuId(10L).setCount(2).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(20L).setCount(3).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(30L).setCount(5).setSelected(false) // 未选中，不使用积分
+                ));
+        TradePriceCalculateRespBO result = new TradePriceCalculateRespBO()
+                .setType(TradeOrderTypeEnum.NORMAL.getType())
+                .setPrice(new TradePriceCalculateRespBO.Price())
+                .setPromotions(new ArrayList<>())
+                .setItems(asList(
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(10L).setCount(2).setSelected(true)
+                                .setPrice(100).setSpuId(1L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(20L).setCount(3).setSelected(true)
+                                .setPrice(50).setSpuId(2L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(30L).setCount(5).setSelected(false)
+                                .setPrice(30).setSpuId(3L)
+                ));
+        // 保证价格被初始化上
+        TradePriceCalculatorHelper.recountPayPrice(result.getItems());
+        TradePriceCalculatorHelper.recountAllPrice(result);
+
+        // 调用
+        tradePointUsePriceCalculator.calculate(param, result);
+        // 断言：没有使用积分
+        assertNotUsePoint(result);
+    }
+
+    /**
+     * 会员积分不足，不会产生优惠
+     */
+    @Test
+    public void testCalculate_UserPointNotEnough() {
+        // 准备参数
+        TradePriceCalculateReqBO param = new TradePriceCalculateReqBO()
+                .setUserId(233L).setPointStatus(true) // 是否使用积分
+                .setItems(asList(
+                        new TradePriceCalculateReqBO.Item().setSkuId(10L).setCount(2).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(20L).setCount(3).setSelected(true), // 使用积分
+                        new TradePriceCalculateReqBO.Item().setSkuId(30L).setCount(5).setSelected(false) // 未选中，不使用积分
+                ));
+        TradePriceCalculateRespBO result = new TradePriceCalculateRespBO()
+                .setType(TradeOrderTypeEnum.NORMAL.getType())
+                .setPrice(new TradePriceCalculateRespBO.Price())
+                .setPromotions(new ArrayList<>())
+                .setItems(asList(
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(10L).setCount(2).setSelected(true)
+                                .setPrice(100).setSpuId(1L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(20L).setCount(3).setSelected(true)
+                                .setPrice(50).setSpuId(2L),
+                        new TradePriceCalculateRespBO.OrderItem().setSkuId(30L).setCount(5).setSelected(false)
+                                .setPrice(30).setSpuId(3L)
+                ));
+        // 保证价格被初始化上
+        TradePriceCalculatorHelper.recountPayPrice(result.getItems());
+        TradePriceCalculatorHelper.recountAllPrice(result);
+
+        // mock 方法（积分配置 信息）
+        MemberConfigRespDTO memberConfig = randomPojo(MemberConfigRespDTO.class,
+                o -> o.setPointTradeDeductEnable(true) // 启用积分折扣
+                        .setPointTradeDeductUnitPrice(1) // 1 积分抵扣多少金额（单位分）
+                        .setPointTradeDeductMaxPrice(100)); // 积分抵扣最大值
+        when(memberConfigApi.getConfig()).thenReturn(memberConfig);
+        // mock 方法（会员 信息）
+        MemberUserRespDTO user = randomPojo(MemberUserRespDTO.class, o -> o.setId(param.getUserId()).setPoint(0));
+        when(memberUserApi.getUser(user.getId())).thenReturn(user);
+
+        // 调用
+        tradePointUsePriceCalculator.calculate(param, result);
+
+        // 断言：没有使用积分
+        assertNotUsePoint(result);
+    }
+
+    /**
+     * 断言：没有使用积分
+     */
+    private static void assertNotUsePoint(TradePriceCalculateRespBO result) {
+        // 断言：使用了多少积分
+        assertEquals(result.getUsePoint(), 0);
+        // 断言：Price 部分
+        TradePriceCalculateRespBO.Price price = result.getPrice();
+        assertEquals(price.getTotalPrice(), 350);
+        assertEquals(price.getPayPrice(), 350);
+        assertEquals(price.getPointPrice(), 0);
+        // 断言：SKU 1
+        TradePriceCalculateRespBO.OrderItem orderItem01 = result.getItems().get(0);
+        assertEquals(orderItem01.getSkuId(), 10L);
+        assertEquals(orderItem01.getCount(), 2);
+        assertEquals(orderItem01.getPrice(), 100);
+        assertEquals(orderItem01.getPointPrice(), 0);
+        assertEquals(orderItem01.getPayPrice(), 200);
+        // 断言：SKU 2
+        TradePriceCalculateRespBO.OrderItem orderItem02 = result.getItems().get(1);
+        assertEquals(orderItem02.getSkuId(), 20L);
+        assertEquals(orderItem02.getCount(), 3);
+        assertEquals(orderItem02.getPrice(), 50);
+        assertEquals(orderItem02.getPointPrice(), 0);
+        assertEquals(orderItem02.getPayPrice(), 150);
+        // 断言：SKU 3
+        TradePriceCalculateRespBO.OrderItem orderItem03 = result.getItems().get(2);
+        assertEquals(orderItem03.getSkuId(), 30L);
+        assertEquals(orderItem03.getCount(), 5);
+        assertEquals(orderItem03.getPrice(), 30);
+        assertEquals(orderItem03.getPointPrice(), 0);
+        assertEquals(orderItem03.getPayPrice(), 150);
+        // 断言：Promotion 部分
+        assertEquals(result.getPromotions().size(), 0);
+    }
+}