java - Spock 的常规测试失败，并在 Stub() 处出现 ArrayIndexOutOfBoundsException

Question

我有一个java类AgentConverter作为它实现org.springframework.core.convert.converter.Converter -

public class AgentConverter implements Converter<RequestWrapper, TicketingAgent> {

    public TicketingAgent convert(RequestWrapper wrapper) {

        TicketingAgent agent = new TicketingAgent();
        ....
        ....

然后我有 java 类，它使用上面的 AgentConverter 作为 -

public class BuildTicketingDocumentRequest implements BuildRequest<TicketingDocumentRequest> {

    private final PosConverter posConverter;
    private final AgentConverter agentConverter;    //here it is ..
    private final TransactionInfoConverter transactionInfoConverter;
    private final BuildRequestComponent<TicketingDocument> buildRequestComponent;

我已经编写了 Groovy 测试用例，其中我正在对 AgentConverter 类进行 stub -

class ConversionStrategyForDocCreateTest extends EdiSimulator  {

    def "Master Test for Build Conversion Strategy to create TicketingDocumentRequest"() {

        given:"Mocked Classes"
        AgentConverter agentConverter = Stub(AgentConverter.class)     // this line exception comes 
        agentConverter.convert(wrapper) >> new TicketingAgent()        
        .....
        .....

现在，当上面的测试用例时 - 我得到:

java.lang.ArrayIndexOutOfBoundsException: 45569

    at net.sf.cglib.proxy.BridgeMethodResolver.resolveAll(BridgeMethodResolver.java:61)
    at net.sf.cglib.proxy.Enhancer.emitMethods(Enhancer.java:911)
    at net.sf.cglib.proxy.Enhancer.generateClass(Enhancer.java:498)
    at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
    at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
    at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java:377)
    at net.sf.cglib.proxy.Enhancer.createClass(Enhancer.java:317)
    at org.spockframework.mock.runtime.ProxyBasedMockFactory$CglibMockFactory.createMock(ProxyBasedMockFactory.java:91)
    at org.spockframework.mock.runtime.ProxyBasedMockFactory.create(ProxyBasedMockFactory.java:49)
    at org.spockframework.mock.runtime.JavaMockFactory.create(JavaMockFactory.java:51)
    at org.spockframework.mock.runtime.CompositeMockFactory.create(CompositeMockFactory.java:44)
    at org.spockframework.lang.SpecInternals.createMock(SpecInternals.java:45)
    at org.spockframework.lang.SpecInternals.createMockImpl(SpecInternals.java:281)
    at org.spockframework.lang.SpecInternals.StubImpl(SpecInternals.java:131)
    at com.sabre.ticketing.hub.converter.startegy.ConversionStrategyForDocCreateMasterTest.Master Test for Build Conversion Strategy to create TicketingDocumentRequest(ConversionStrategyForDocCreateMasterTest.groovy:35)

在点击和试用时，我发现如果我删除 AgentConverter 的实现转换器，如下所示 -

public class AgentConverter {             // Here i have removed "implements Converter"

    public TicketingAgent convert(RequestWrapper wrapper) {

        TicketingAgent agent = new TicketingAgent();

然后事情开始工作并且没有java.lang.ArrayIndexOutOfBoundsException。我试图了解 Spock 框架中的 Stub() 和 stub 类的接口(interface)实现之间的关系。在谷歌中找不到，所以发布在这里...任何帮助表示赞赏。

这是我的 spock 和 groovy 版本的 POM 片段:

  <dependency>
       <groupId>org.spockframework</groupId>
       <artifactId>spock-core</artifactId>
       <version>1.0-groovy-2.4</version>
       <scope>test</scope>
   </dependency>
   <dependency>
       <groupId>org.codehaus.groovy</groupId>
       <artifactId>groovy-all</artifactId>
       <version>2.4.4</version>
       <scope>test</scope>
   </dependency>

Answer 1

免责声明:我大约 1.5 年前使用过 spock，也许从那时起事情已经发生了变化......

无论如何:

您运行的是 Java 9 吗？

如果是这样，请检查此 cglib issue :

总而言之，cglib 似乎有问题，您可以尝试按照本线程中的建议使用 bytebuddy。

另一种可能的解决方案是重构:

也许BuildTicketingDocumentRequest可以依赖于接口(interface)，而不是像AgentConverter这样的具体实现。当从界面中创建模拟时，它应该可以工作。