[英]Mockito UnfinishedStubbingException with when().thenReturn()
[英]Issue with Mockito and Generics when using when + thenReturn
我一直在網上尋找很多關於這個問題的信息,但我找到的解決方案都沒有對我有用。
我有一個測試類,以及我試圖測試的服務。
在測試類中:
public class ElasticSearchSearchServiceImplTest{
@InjectMocks
private ElasticSearchSearchServiceImpl elasticSearchSearchService = new ElasticSearchSearchServiceImpl();
private SearchMyListCriteria searchMyListCriteria;
private SearchHitListCriteria searchHitListCriteria;
private SearchFieldLimitsCriteria searchFieldLimitsCriteria;
private SearchDetailCriteria searchDetailCriteria;
private SearchBrowseCriteria searchBrowseCriteria;
@Mock
private SearchRequestBuilder searchRequestBuilder;
@Mock
private SecurityService securityService;
@Mock(answer = Answers.RETURNS_DEEP_STUBS)
private Client client;
@Mock
private ListenableActionFuture<SearchResponse> listenableActionFuture;
@BeforeMethod
public void setup() throws InterruptedException
{
MockitoAnnotations.initMocks(this);
SearchResponse sr = new SearchResponse();
Mockito.when(client.prepareSearch(Mockito.anyString())
.setQuery(Mockito.any(QueryBuilder.class))
.addFields(Mockito.anyObject())
.setFrom(Mockito.anyInt())
.setSize(Mockito.anyInt())
).thenReturn(searchRequestBuilder);
Mockito.when(securityService.isAccountabilityEnabled()).thenReturn(false);
Mockito.when(searchRequestBuilder.execute()).thenReturn(listenableActionFuture);
Mockito.when(listenableActionFuture.actionGet()).thenReturn(sr);
searchMyListCriteria = buildSearchCriteriaBase();
searchHitListCriteria = buildSearchHitListCriteria();
searchFieldLimitsCriteria = buildSearchFieldLimitsCriteria();
searchDetailCriteria = buildSearchDetailCriteria();
searchBrowseCriteria = buildSearchBrowseCriteria();
}
@Test
public void testDoMyListSearch()
{
SearchResponse searchResponse = new SearchResponse();
Boolean execOk = false;
try {
searchResponse = elasticSearchSearchService.doMyListSearch(searchMyListCriteria);
Assert.assertNotNull(searchResponse);
execOk = true;
}catch (Exception e){
e.printStackTrace();
}
Assert.assertTrue(execOk);
}
然后,在 ElasticSearchSearchServiceImpl.java 中,我在測試中調用了這個方法:
@Override
public SearchResponse doMyListSearch(SearchMyListCriteria criteria) throws Exception
{
SearchTimer t = new SearchTimer();
SearchResponse resp = null;
int size = criteria.getDocIds().size();
if(!criteria.getDocIds().isEmpty())
{
String indexName = getSearchAlias(criteria);
String[] ids = criteria.getDocIds().toArray(new String[criteria.getDocIds().size()]);
IdsQueryBuilder qb = QueryBuilders.idsQuery(getESTypes(criteria));
qb.addIds(ids);
SearchDataSourceAccountabilityEnum requiredAcc = securityService.isAccountabilityEnabled() && !criteria.getPermissions().isSuperUser()
? getAccountabilityForDataSources(criteria)
: SearchDataSourceAccountabilityEnum.NONE;
List<QueryBuilder> filters = new ArrayList<>();
addSecurityToFilter(filters, criteria, requiredAcc);
QueryBuilder filter = ElasticSearchUtils.and(filters);
QueryBuilder fqb = filter == null ? qb : QueryBuilders.boolQuery().must(qb).filter(filter);
SearchRequestBuilder req = client.prepareSearch(indexName)
.setQuery(fqb)
.addFields(determineMyListFieldsToReturn(criteria))
.setFrom(0)
.setSize(size);
resp = req.execute().actionGet();
}
long searchMillis = t.getElapsedMillis();
logPerform("Query Execution time for my list search " + criteria.toString() + COLON_SPACE + searchMillis + MILLISECONDS_MARKER);
return resp;
}
問題是,當它在“resp = req.execute().actionGet();”行通過 ElasticSearchSearchServiceImpl#doMyListSearch 時它拋出以下異常:
java.lang.ClassCastException: org.mockito.internal.creation.cglib.ClassImposterizer$ClassWithSuperclassToWorkAroundCglibBug$$EnhancerByMockitoWithCGLIB$$db3b9e0a cannot be cast to org.elasticsearch.action.search.SearchResponse
at com.sirsidynix.bcss.search.biz.svc.impl.ElasticSearchSearchServiceImpl.doMyListSearch(ElasticSearchSearchServiceImpl.java:228)
at com.sirsidynix.bcss.search.biz.svc.impl.ElasticSearchSearchServiceImplTest.testDoMyListSearch(ElasticSearchSearchServiceImplTest.java:116)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1198)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1123)
at org.testng.TestNG.run(TestNG.java:1031)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:236)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:81)
我已經嘗試了網絡中的大多數解決方案,但似乎沒有任何效果對我有用。 請如果你有建議,我很感激。
問候!
您是否嘗試將測試減少到導致測試失敗的最小代碼段?
你認為這是泛型的問題。 如果是這樣,那么像下面這樣簡單的事情也會失敗:
@Mock
private ListenableActionFuture<SearchResponse> listenableActionFuture;
@BeforeMethod
public void setup() throws InterruptedException {
MockitoAnnotations.initMocks(this);
SearchResponse sr = new SearchResponse();
Mockito.when(listenableActionFuture.actionGet()).thenReturn(sr);
}
@Test
public void testDoMyListSearch() {
SearchResponse sr = listenableActionFuture.actionGet();
}
可以? 我的猜測不是..我認為這更有可能是由於深存根以及深存根返回與您在thenReturn
返回的模擬相同類型的模擬thenReturn
。 我想知道是否有必要使用thenReturn
,或者深度存根是否會讓它“神奇地”工作。
無論如何,我的建議是不斷減少空間以找到問題所在。 此外,刪除諸如searchDetailCriteria
類的不必要的內容將有助於人們理解代碼並更快地幫助您。
(對不起,我更願意發表評論,但沒有足夠的聲譽)。
我認為客戶端會為某些方法調用返回一個 SearchRequestBuilder。 所以你可能需要模擬一個 SearchRequestBuilder。 您能否在存根客戶端之前嘗試添加以下內容。
@BeforeMethod
public void setup() throws InterruptedException
{
MockitoAnnotations.initMocks(this);
SearchResponse sr = new SearchResponse();
SearchRequestBuilder requestBuilder = mock(SearchRequestBuilder.class, RETURNS_DEEP_STUBS);
when(client.prepareSearch(Matchers.any())).thenReturn(requestBuilder);
when(requestBuilder.setQuery(Matchers.any())).thenReturn(requestBuilder);
when(requestBuilder.addFields(Matchers.any())).thenReturn(requestBuilder);
when(requestBuilder.setFrom(Matchers.anyInt())).thenReturn(requestBuilder);
when(requestBuilder.setSize(Matchers.anyInt())).thenReturn(requestBuilder);
MockitoAnnotations.initMocks(this);
SearchResponse sr = new SearchResponse();
Mockito.when(client.prepareSearch(Mockito.anyString())
.setQuery(Mockito.any(QueryBuilder.class))
.addFields(Mockito.anyObject())
.setFrom(Mockito.anyInt())
.setSize(Mockito.anyInt())
).thenReturn(searchRequestBuilder);
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