使用Kotlin-Mokito库时java.lang.reflect.InvocationTargetException

任何()从Kotlin Mockito库崩溃与下面的代码

测试类

import com.nhaarman.mockito_kotlin.any import com.nhaarman.mockito_kotlin.verify import org.junit.Before import org.junit.Test import org.mockito.Mock import org.mockito.MockitoAnnotations class SimpleClassTest { lateinit var simpleObject: SimpleClass @Mock lateinit var injectedObject: InjectedClass @Before fun setUp() { MockitoAnnotations.initMocks(this) } @Test fun testSimpleFunction() { simpleObject = SimpleClass(injectedObject) simpleObject.simpleFunction() verify(injectedObject).settingDependentObject(any()) } } 

源类

 import com.squareup.okhttp.Protocol import com.squareup.okhttp.Request import com.squareup.okhttp.Response class SimpleClass(val injectedClass: InjectedClass) { fun simpleFunction() { injectedClass.settingDependentObject(Response.Builder() .request(Request.Builder().url("https://example.com").build()) .code(200) .body(null) .protocol(Protocol.HTTP_1_1) .build()) } } open class DependentClass(response: Response) { } open class InjectedClass() { lateinit var response: Response open fun settingDependentObject(response: Response) { this.response = response } } 

崩溃日志

 java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at kotlin.reflect.jvm.internal.FunctionCaller$Constructor.call(FunctionCaller.kt:63) at kotlin.reflect.jvm.internal.KCallableImpl$DefaultImpls.call(KCallableImpl.kt:67) at kotlin.reflect.jvm.internal.KFunctionImpl.call(KFunctionImpl.kt:30) at kotlin.reflect.jvm.internal.KCallableImpl$DefaultImpls.callBy(KCallableImpl.kt:103) at kotlin.reflect.jvm.internal.KFunctionImpl.callBy(KFunctionImpl.kt:30) at com.nhaarman.mockito_kotlin.CreateInstanceKt.newInstance(CreateInstance.kt:138) at com.nhaarman.mockito_kotlin.CreateInstanceKt.createInstance(CreateInstance.kt:60) at com.elyeproj.phoneinfo.SimpleClassTest.testSimpleFunction(SimpleClassTest.kt:36) 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74) 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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) Caused by: java.lang.NullPointerException at com.squareup.okhttp.Response.<init>(Response.java:56) ... 39 more 

该库依靠反射来实例化一个给定类型的对象,以用作mockito“Any”对象。 那些具有不平凡构造函数的类可能不可能。 Response就是其中之一。

如果你能得到一个Response的实例,你可以使用它,而不是像:

 verify(injectedObject).settingDependentObject(Mockito.any<Response>() ?: someResponse)