如何在Jhipster测试用例中编写用于复制除行ID之外的行的测试用例？

Question

我想为Jhipster中的duplicatingRow()方法编写测试。 Customer1已经在表中如果我需要复制它，则所有属性都应具有相同的值，但id除外。 id是在此处自动生成的。

我的方法是

@PostMapping("/duplicatingRow")
@Timed

public ResponseEntity<Customer> duplicatingRow(@RequestBody Customer customer) throws URISyntaxException {
    Optional<Customer> duplicatecustomer = customerRepository.findById(customer.getId());
    Customer custom = duplicatecustomer.get();
    custom.setId(null);

    Customer result = customerRepository.save(custom);

    return ResponseEntity.ok().build();

我的测试用例是

@Test
@Transactional
public void duplicateCustomer() throws Exception {

    // Initialize the database
    customerRepository.saveAndFlush(customer);      
    int databaseSizeBeforeUpdate = customerRepository.findAll().size();

    restCustomerMockMvc.perform(post("/api/duplicatecustomers")
                .contentType(TestUtil.APPLICATION_JSON_UTF8)
                .content(TestUtil.convertObjectToJsonBytes(customer)))
                .andExpect(status().isOk()).andDo(print());

      // Validate the Customer in the database 
    List<Customer> customerList = customerRepository.findAll();
    assertThat(customerList).hasSize(databaseSizeBeforeUpdate +1); 
    Customer testCustomer1 = customerList.get(customerList.size() -1);
    System.out.print("test pro is"+testCustomer1);      

}

但是，如果我运行测试用例时遇到错误，它将使原始客户ID变为NULL。我不知道要不要如何在不影响原始行的情况下创建新的重复行？