如何在使用Power mockito的公共類中模擬靜態方法？

Question

喜逢一個我試圖嘲弄一個靜態方法名mapCreditInfo（UCIPin，creditAssessmentResults）它有兩個參數UCIPin和creditAssessmentResults。 UCIPin是字符串類型和creditAssessmentResults是列表 此方法是一個公共類ResponseMapper 類型內，如下所示：

private CreditInfo getAccountByUCI(String audiUser, String UCIPin) throws EnterpriseCustomerVerificationException { 
    List<CreditAssessmentResult> creditAssessmentResults = creditInfoRepository.getUCISummary(UCIPin, audiUser); 
    return ResponseMapper.mapCreditInfo(UCIPin, creditAssessmentResults); 
} 

Note: getAccountbyUCI method is called inside another public method name executeCustomerVerification which is in the class EnterpriseCustomerVerificationService

ResponseMapper類

​​

}

我已經像我的測試課的一部分一樣試過了hown下面： 測試類

@PrepareForTest(EnterpriseCustomerVerificationService.class) 
@RunWith(PowerMockRunner.class) 
public class EnterpriseCustomerVerificationServiceTest { 

@InjectMocks 
    private EnterpriseCustomerVerificationService enterpriseCustormerVerificationServiceMock ; 
@Test 
public void executeCustomerVerificationTest() throws Exception { 
    List<ErrorResponse> errorResponses = getErrorResponse(); 
    List<String> mso = new ArrayList<String>(); 
    mso.add("a"); 
    mso.add("b"); 
    mso.add("c"); 
    AddressResponse addressResponse = getAddressResponse(); 
    String experianAuthorization = "experianAuthorization"; 
    String UCIPin = "110019"; 
    String auditUser = "ABC"; 

    CreditInfo credit = getCreditInfo(); 
    CreditCheck creditCheck = getcreditCheck(); 
    EnterpriseCustomerVerificationService spy = PowerMockito.spy(new EnterpriseCustomerVerificationService()); 

    PowerMockito.when(spy,PowerMockito.method(EnterpriseCustomerVerificationService.class,"executeCreditCheck",CreditCheck.class)).withArguments(Mockito.any()).thenReturn("@1"); 
    Mockito.when(creditInfoRepository.getUCISummary("110019", "test")).thenReturn(getCreditAssessmentResultList()); 

    PowerMockito.mockStatic(ResponseMapper.class); 
    Mockito.when(ResponseMapper.mapCreditInfo(UCIPin, getCreditAssessmentResultList())).thenReturn(credit); 

    CustomerVerification cv = spy 
      .executeCustomerVerification(getCustomerVerificationRequest1(), 
        "101"); 
} 

我的問題是如何嘲笑使用電力的Mockito 靜態mapCreditInfo方法？

感謝

Answer 1

就像這個...

@RunWith(PowerMockRunner.class) 
@PrepareForTest({ResponseMapper.class}) 
public class ATest { 

    @Test 
    public void testMockingStatic() { 
     PowerMockito.mockStatic(ResponseMapper.class); 

     // if you want to use specific argument matchers 
     Mockito.when(ResponseMapper.mapCreditInfo(
      uciPin, creditAssessmentResults) 
     ).thenReturn(creditInfo); 

     // or if you want to match on any arguments passed into your static method ... 
     Mockito.when(ResponseMapper.mapCreditInfo(
      ArgumentMatchers.anyString(), 
      ArgumentMatchers.anyList()) 
     ).thenReturn(creditInfo); 

     // ... 
    } 
} 

注：

• @PrepareForTest準備類要嘲笑
• PowerMockito.mockStatic嘲笑所有靜態方法靜態方法該類別
• You ca n使用標準的Mockito時/然後構造告訴嘲笑靜態方法是什麼返回
• 上面的例子使用了這些依賴關係：
  • org.mockito:mockito-core:2.7.19
  • org.powermock:powermock-module-junit4:1.7.0
  • org.powermock:powermock-api-mockito2:1.7.0

更新1：基於您更新的問題，它顯示您的測試方法...

我的例子包括：@PrepareForTest({ResponseMapper.class})測試方法不準備ResponseMapper相反，它正準備EnterpriseCustomerVerificationService。這就像你正在準備調用具有靜態方法的類的類，而不是準備包含靜態方法的類。

我強烈建議創建一個新的測試用例 - 只是暫時的 - 這看起來就像我提供的那個，用它來展示如何模擬一種靜態方法，一旦你對此感到滿意，然後將它工作到你的EnterpriseCustomerVerificationServiceTest 。

Answer 2

是否可以更改源代碼？如果是這樣，也許你可以嘗試解決這個問題，根本不使用任何模擬框架。

看到我對How To Java Unit Test a Complex Class