cfc/cfc-backend/src/test/java/com/etotem/cfc/service/RealNameBackfillServiceTest.java

package com.etotem.cfc.service;

import com.etotem.cfc.entity.User;
import com.etotem.cfc.mapper.UserMapper;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;

@ExtendWith(MockitoExtension.class)
class RealNameBackfillServiceTest {

    @Mock
    private UserMapper userMapper;

    @InjectMocks
    private RealNameBackfillService realNameBackfillService;

    @Test
    void backfill_真实姓名为null时回填联系人姓名() {
        User user = new User();
        user.setRealName(null);
        when(userMapper.selectById(1L)).thenReturn(user);

        realNameBackfillService.backfill(1L, "张三");

        assertEquals("张三", user.getRealName());
        verify(userMapper).updateById(user);
    }

    @Test
    void backfill_真实姓名为空白时回填联系人姓名() {
        User user = new User();
        user.setRealName("   ");
        when(userMapper.selectById(1L)).thenReturn(user);

        realNameBackfillService.backfill(1L, "李四");

        assertEquals("李四", user.getRealName());
        verify(userMapper).updateById(user);
    }

    @Test
    void backfill_联系人姓名去除首尾空白后回填() {
        User user = new User();
        user.setRealName(null);
        when(userMapper.selectById(1L)).thenReturn(user);

        realNameBackfillService.backfill(1L, "  王五  ");

        assertEquals("王五", user.getRealName());
        verify(userMapper).updateById(user);
    }

    @Test
    void backfill_真实姓名已有值时不覆盖() {
        User user = new User();
        user.setRealName("原有姓名");
        when(userMapper.selectById(1L)).thenReturn(user);

        realNameBackfillService.backfill(1L, "张三");

        assertEquals("原有姓名", user.getRealName());
        verify(userMapper, never()).updateById(any());
    }

    @Test
    void backfill_联系人姓名为null时跳过() {
        realNameBackfillService.backfill(1L, null);

        verifyNoInteractions(userMapper);
    }

    @Test
    void backfill_联系人姓名为空白时跳过() {
        realNameBackfillService.backfill(1L, "   ");

        verifyNoInteractions(userMapper);
    }

    @Test
    void backfill_userId为null时跳过() {
        realNameBackfillService.backfill(null, "张三");

        verifyNoInteractions(userMapper);
    }

    @Test
    void backfill_用户不存在时跳过() {
        when(userMapper.selectById(99L)).thenReturn(null);

        realNameBackfillService.backfill(99L, "张三");

        verify(userMapper, never()).updateById(any());
    }
}