//引入包忽略...
public class BillingBusinessManagerUnitTest extends MockitoTestContext {
    @InjectMocks
    private BillingBusinessManager sv;
    @Mock
    private BillingBusinessDAO billingBusinessDAO;
    @Test
    public void testGetBusinessesByIds() {
        List<BusinessVO> expected = ListUtil.toList(new BusinessVO(1l, "a", "b"));
        //简洁的语法如下所示
        when(billingBusinessDAO.getBusinessbyIds(anyListOf(Long.class))).thenReturn(expected);
        List<Long> businessIds = ListUtil.toList(TestConstants.BUSINESS_ID_HTTP_WEB_CACHE);
        List<BusinessVO> actual = sv.getBusinessesByIds(businessIds);
        Assert.assertEquals(expected, actual);
    }
   }