price：完成会员价格的计算~

yudao-module-mall/yudao-module-market-biz/src/test/java/cn/iocoder/yudao/module/market/service/price/PriceServiceTest.java

@@ -0,0 +1,86 @@
+package cn.iocoder.yudao.module.market.service.price;
+
+import cn.iocoder.yudao.framework.common.util.collection.SetUtils;
+import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest;
+import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateReqDTO;
+import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateRespDTO;
+import cn.iocoder.yudao.module.market.enums.common.PromotionLevelEnum;
+import cn.iocoder.yudao.module.market.enums.common.PromotionTypeEnum;
+import cn.iocoder.yudao.module.market.service.discount.DiscountService;
+import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
+import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+
+import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
+import static java.util.Collections.singletonList;
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+
+/**
+ * {@link PriceServiceImpl} 的单元测试
+ *
+ * @author 芋道源码
+ */
+public class PriceServiceTest extends BaseMockitoUnitTest {
+
+    @InjectMocks
+    private PriceServiceImpl priceService;
+
+    @Mock
+    private DiscountService discountService;
+    @Mock
+    private ProductSkuApi productSkuApi;
+
+    @Test
+    public void testCalculatePrice_memberDiscount() {
+        // 准备参数
+        // TODO 芋艿：userId = 1，实现 9 折；后续改成 mock
+        PriceCalculateReqDTO calculateReqDTO = new PriceCalculateReqDTO().setUserId(1L)
+                .setItems(singletonList(new PriceCalculateReqDTO.Item().setSkuId(10L).setCount(2)));
+        // mock 方法(商品 SKU 信息)
+        ProductSkuRespDTO productSku = randomPojo(ProductSkuRespDTO.class, o -> o.setId(10L).setPrice(100));
+        when(productSkuApi.getSkuList(eq(SetUtils.asSet(10L)))).thenReturn(singletonList(productSku));
+
+        // 调用
+        PriceCalculateRespDTO priceCalculate = priceService.calculatePrice(calculateReqDTO);
+        // 断言 Order 部分
+        PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
+        assertEquals(order.getOriginalPrice(), 200);
+        assertEquals(order.getDiscountPrice(), 0);
+        assertEquals(order.getPointPrice(), 0);
+        assertEquals(order.getDeliveryPrice(), 0);
+        assertEquals(order.getPayPrice(), 180);
+        assertNull(order.getCouponId());
+        // 断言 OrderItem 部分
+        PriceCalculateRespDTO.OrderItem orderItem = order.getItems().get(0);
+        assertEquals(order.getItems().size(), 1);
+        assertEquals(orderItem.getSkuId(), 10L);
+        assertEquals(orderItem.getCount(), 2);
+        assertEquals(orderItem.getOriginalPrice(), 200);
+        assertEquals(orderItem.getOriginalUnitPrice(), 100);
+        assertEquals(orderItem.getDiscountPrice(), 20);
+        assertEquals(orderItem.getPayPrice(), 180);
+        assertEquals(orderItem.getOrderPartPrice(), 0);
+        assertEquals(orderItem.getOrderDividePrice(), 180);
+        // 断言 Promotion 部分
+        PriceCalculateRespDTO.Promotion promotion = priceCalculate.getPromotions().get(0);
+        assertEquals(priceCalculate.getPromotions().size(), 1);
+        assertNull(promotion.getId());
+        assertEquals(promotion.getName(), "会员折扣");
+        assertEquals(promotion.getType(), PromotionTypeEnum.MEMBER.getType());
+        assertEquals(promotion.getLevel(), PromotionLevelEnum.SKU.getLevel());
+        assertEquals(promotion.getOriginalPrice(), 200);
+        assertEquals(promotion.getDiscountPrice(), 20);
+        assertTrue(promotion.getMeet());
+        assertEquals(promotion.getMeetTip(), "会员折扣：省 0.20 元");
+        PriceCalculateRespDTO.PromotionItem promotionItem = promotion.getItems().get(0);
+        assertEquals(promotion.getItems().size(), 1);
+        assertEquals(promotionItem.getSkuId(), 10L);
+        assertEquals(promotionItem.getOriginalPrice(), 200);
+        assertEquals(promotionItem.getDiscountPrice(), 20);
+    }
+
+}