java - ArrayStoreException : sun. reflect.annotation.TypeNotPresentExceptionProxy 安卓 PowerMock JUnit

Question

我正在使用 PowerMock 和 Mockito 来测试静态函数，如下所示。它过去一直运行良好，直到今天它抛出了下面提到的这个异常。

// this test case need to mock static methods so it uses PowerMock
@RunWith(PowerMockRunner.class)
// this static methods to be mocked are on Environment so that must be 'prepared'
@PrepareForTest({Environment.class, Build.class, Build.VERSION.class})
public class FileUtilityUnitTest {
    //This uses the JUnit TemporaryFolder Rule to create
    // (and discard on completion) a directory for the assertions.
    @Rule
    TemporaryFolder storageDirectory = new TemporaryFolder();
    File nonExistentDirectory;
    File existentDirectory;

    @Before
    public void setup(){
        PowerMockito.mockStatic(Environment.class);
        PowerMockito.mockStatic(Build.VERSION.class);
        nonExistentDirectory = Mockito.mock(File.class);
        //so the exists method tends to be false
        when(nonExistentDirectory.exists()).thenReturn(false);
        existentDirectory = storageDirectory.getRoot();
    }

    @Test
    public void test_is_external_storage_writable(){
        when(Environment.getExternalStorageState()).thenReturn(Environment.MEDIA_MOUNTED);
        assertTrue("External storage mounted ", Environment.getExternalStorageState() == Environment.MEDIA_MOUNTED);
    }
}

堆栈跟踪如下。

    Internal Error occured.
java.lang.ArrayStoreException: sun.reflect.annotation.TypeNotPresentExceptionProxy
    at sun.reflect.annotation.AnnotationParser.parseClassArray(AnnotationParser.java:724)
    at sun.reflect.annotation.AnnotationParser.parseArray(AnnotationParser.java:531)
    at sun.reflect.annotation.AnnotationParser.parseMemberValue(AnnotationParser.java:355)
    at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:286)
    at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120)
    at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72)
    at java.lang.Class.createAnnotationData(Class.java:3521)
    at java.lang.Class.annotationData(Class.java:3510)
    at java.lang.Class.getAnnotation(Class.java:3415)
    at com.intellij.junit4.JUnit4TestRunnerUtil.buildRequest(JUnit4TestRunnerUtil.java:150)
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:93)
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:262)
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:84)
    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:147)

任何人都可以分享一些关于这方面的信息。我一直在谷歌搜索，但找不到好的引用。提前致谢。

Answer 1

我今天遇到了同样的问题。我不确定发生了什么，但是通过更新 compileSdkVersion、buildToolsVersion 和 targetSdkVersion 来匹配 support-annotations 版本，问题消失了。

现在 build.gradle 看起来像:

android {
  compileSdkVersion 27
  buildToolsVersion "27.0.2"

  defaultConfig {
    ...
    targetSdkVersion 27
  }
}

dependencies {
  compile 'com.android.support:support-annotations:27.0.2'
  androidTestCompile 'com.android.support:support-annotations:27.0.2'
}

我找不到太多关于它的评论，所以我希望我能帮助别人。