我用Robolectric取代了Android库,将JUnit添加到路径中,将测试用例更改回常规TestCase并从Quick Start guide添加了建议的@RunWith(RobolectricTestRunner.class)(进行必要的更改以实例化我的Activity而不是依赖于Android的活动测试为我做这件事).
但是,当我运行测试时,我得到:
java.lang.NullPointerException at com.xtremelabs.robolectric.RobolectricTestRunner.isInstrumented(RobolectricTestRunner.java:123) at com.xtremelabs.robolectric.RobolectricTestRunner.<init>(RobolectricTestRunner.java:72) at com.xtremelabs.robolectric.RobolectricTestRunner.<init>(RobolectricTestRunner.java:57) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:532) at org.junit.internal.builders.AnnotatedBuilder.buildrunner(AnnotatedBuilder.java:31) at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:24) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57) at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57) at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.<init>(JUnit4TestReference.java:29) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.<init>(JUnit4TestClassReference.java:25) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:40) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:30) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
这似乎与RobolectricTestRunner.java中的此代码(from 0.9 tag,因为0.9.1标记没有它)有关:
private static boolean isInstrumented() { return RobolectricTestRunner.class.getClassLoader().getClass().getName().contains(RobolectricclassLoader.class.getName()); }
但我无法理解,因为这种反思应该来自班级本身.
此外,我可以发誓它在重复失败之前运行了一次 – 我已经删除了robolectric缓存(如建议here)并用最新版本(4.8.2)替换了Eclipse的JUnit,但没有任何改变.
任何提示?
更新:我尝试创建一个新的Java(即简单的非Android)测试项目,就像快速入门指南中所述.但是,现在测试运行抱怨没有AndroidManifest.xml:
java.lang.RuntimeException: java.io.FileNotFoundException: /Users/chester/Documents/workspace/minitruco-android/minitruco-android-robolectric-test/AndroidManifest.xml (No such file or directory) at com.xtremelabs.robolectric.RobolectricTestRunner.createResourceLoader(RobolectricTestRunner.java:245) at com.xtremelabs.robolectric.RobolectricTestRunner.setupApplicationState(RobolectricTestRunner.java:215) at com.xtremelabs.robolectric.RobolectricTestRunner.internalBeforeTest(RobolectricTestRunner.java:163) at com.xtremelabs.robolectric.RobolectricTestRunner.methodBlock(RobolectricTestRunner.java:143) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runchildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: java.io.FileNotFoundException: /Users/chester/Documents/workspace/minitruco-android/minitruco-android-robolectric-test/AndroidManifest.xml (No such file or directory) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.<init>(FileInputStream.java:137) at java.io.FileInputStream.<init>(FileInputStream.java:96) at sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:87) at sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:178) at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(UnkNown Source) at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(UnkNown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(UnkNown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(UnkNown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(UnkNown Source) at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(UnkNown Source) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(UnkNown Source) at javax.xml.parsers.DocumentBuilder.parse(UnkNown Source) at com.xtremelabs.robolectric.RobolectricTestRunner.findResourcePackageName(RobolectricTestRunner.java:255) at com.xtremelabs.robolectric.RobolectricTestRunner.createResourceLoader(RobolectricTestRunner.java:236) ... 18 more
我想测试应该从原始项目(minitruco-android)加载文件,这些文件显示在测试项目的构建路径和Eclipse上的Run / Debug构建配置中(在测试项目的类路径条目下).无论如何,我已经从我原来的测试项目中复制了文件(仅仅是为了测试),但后来它抱怨了R.java(并且应该真的从原始项目中导入):
java.lang.RuntimeException: java.lang.classNotFoundException: caught an exception while obtaining a class file for me.chester.minitruco.test.R at com.xtremelabs.robolectric.RobolectricTestRunner.createResourceLoader(RobolectricTestRunner.java:245) at com.xtremelabs.robolectric.RobolectricTestRunner.setupApplicationState(RobolectricTestRunner.java:215) at com.xtremelabs.robolectric.RobolectricTestRunner.internalBeforeTest(RobolectricTestRunner.java:163) at com.xtremelabs.robolectric.RobolectricTestRunner.methodBlock(RobolectricTestRunner.java:143) at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:71) at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:49) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runchildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: java.lang.classNotFoundException: caught an exception while obtaining a class file for me.chester.minitruco.test.R at javassist.Loader.findClass(Loader.java:359) at com.xtremelabs.robolectric.RobolectricclassLoader.findClass(RobolectricclassLoader.java:60) at javassist.Loader.loadClass(Loader.java:311) at java.lang.classLoader.loadClass(ClassLoader.java:268) at com.xtremelabs.robolectric.RobolectricclassLoader.loadClass(RobolectricclassLoader.java:37) at java.lang.classLoader.loadClassInternal(ClassLoader.java:336) at java.lang.class.forName0(Native Method) at java.lang.class.forName(Class.java:186) at com.xtremelabs.robolectric.RobolectricTestRunner.createResourceLoader(RobolectricTestRunner.java:237) ... 18 more Caused by: javassist.NotFoundException: me.chester.minitruco.test.R at javassist.Classpool.get(Classpool.java:436) at com.xtremelabs.robolectric.AndroidTranslator.onLoad(AndroidTranslator.java:68) at javassist.Loader.findClass(Loader.java:340) ... 26 more
我的设置和快速启动之间唯一不同的是我在测试项目和常规项目的常规源上保留测试源(自第一次构建以来,我假设测试项目看到常规源 – 这些,当然,这在很大程度上取决于).
我正在使用SoyLatte,但也尝试了Mac OS的默认1.6 JVM,结果相同.
谢谢.
解决方法
关于更新中的简化项目,请确保将Eclipse配置为将当前工作目录设置为主项目的根目录,而不是测试项目,因此它将找到AndroidManifest.xml和res目录.
原文地址:https://www.jb51.cc/java/127580.html
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