修改了代码结构

src/test/java/com/greenorange/promotion/junit/UserAccountServiceImplTest.java

@@ -0,0 +1,96 @@
+package com.greenorange.promotion.junit;
+
+import com.greenorange.promotion.model.dto.userAccount.UserAccountUpdateRequest;
+import com.greenorange.promotion.model.entity.UserAccount;
+import com.greenorange.promotion.service.common.CommonService;
+import com.greenorange.promotion.service.settle.impl.UserAccountServiceImpl;
+import jakarta.servlet.http.HttpServletRequest;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Spy;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+class UserAccountServiceImplTest {
+
+    @Spy
+    @InjectMocks
+    private UserAccountServiceImpl userAccountService;
+    // Spy + InjectMocks：用真实的 serviceImpl，但可以对它的方法做部分 stub
+
+    @Mock
+    private CommonService commonService;
+    // Mock CommonService，用于模拟 copyProperties
+
+    @Mock
+    private HttpServletRequest request;
+    // Mock HttpServletRequest，用于模拟获取 userId
+
+    @Test
+    void updateUserAccount_shouldCopyProperties_setUserId_andUpdateById() {
+        // --- Arrange 准备阶段 ---
+        Long userId = 456L;
+        // 模拟从 request 中拿到当前登录用户 ID
+        when(request.getAttribute("userId")).thenReturn(userId);
+
+        // 构造更新请求 DTO，并设置要更新的账户 ID
+        UserAccountUpdateRequest req = new UserAccountUpdateRequest();
+        req.setId(99L);
+        req.setCardHolder("李四");
+        req.setIdCardNumber("110101199002022345");
+        req.setPhoneNumber("15900001111");
+        req.setBankCardNumber("6222020202020202");
+        req.setOpenBank("中国农业银行");
+
+        // 准备一个空实体，模拟 commonService.copyProperties 拷贝结果
+        UserAccount stubEntity = new UserAccount();
+        // 假设 copyProperties 会拷贝所有字段，包括 id
+        stubEntity.setId(req.getId());
+        stubEntity.setCardHolder(req.getCardHolder());
+        stubEntity.setIdCardNumber(req.getIdCardNumber());
+        stubEntity.setPhoneNumber(req.getPhoneNumber());
+        stubEntity.setBankCardNumber(req.getBankCardNumber());
+        stubEntity.setOpenBank(req.getOpenBank());
+        // stub copyProperties 返回我们准备的 stubEntity
+        when(commonService.copyProperties(req, UserAccount.class))
+                .thenReturn(stubEntity);
+
+        // 对 Spy 的 updateById(...) 方法做 stub，避免走到 MyBatis-Plus 真逻辑
+        doReturn(true).when(userAccountService).updateById(any(UserAccount.class));
+
+        // --- Act 执行阶段 ---
+        userAccountService.updateUserAccount(req, request);
+        // 方法内部执行顺序：
+        // 1. 取 request.getAttribute("userId") -> 456L
+        // 2. commonService.copyProperties(req, UserAccount.class) -> stubEntity
+        // 3. stubEntity.setUserId(456L)
+        // 4. 调用 updateById(stubEntity)
+
+        // --- Assert 验证阶段 ---
+        // 捕获 updateById 调用时传入的参数
+        ArgumentCaptor<UserAccount> captor = ArgumentCaptor.forClass(UserAccount.class);
+        verify(userAccountService).updateById(captor.capture());
+        UserAccount updated = captor.getValue();
+
+        // 验证传给 updateById 的正是 stubEntity 对象
+        assertSame(stubEntity, updated, "应该传入同一个 stubEntity 实例");
+
+        // 验证 userId 已正确赋值
+        assertEquals(userId, updated.getUserId(), "userId 应该从 request 中取出并赋值");
+
+        // 验证其他字段都被 copyProperties 拷贝过来，包括账户 ID
+        assertEquals(req.getId(),          updated.getId(),            "账户 ID 应保持一致");
+        assertEquals("李四",               updated.getCardHolder(),    "持卡人应一致");
+        assertEquals("110101199002022345", updated.getIdCardNumber(),  "身份证号应一致");
+        assertEquals("15900001111",        updated.getPhoneNumber(),   "手机号应一致");
+        assertEquals("6222020202020202",   updated.getBankCardNumber(),"银行卡号应一致");
+        assertEquals("中国农业银行",        updated.getOpenBank(),      "开户银行应一致");
+    }
+}