android – 不能将PowerMock与Robolectric一起使用

概述正如在这个链接- https://groups.google.com/group/powermock/browse_thread/thread/25ba2b85d9e576f4中所讨论的那样,我尝试使用PowerMock和Robolectric来模拟静态方法.但它正在抛出一些难以理解的异常. 以下是我的测试类： package net.therap.passreset.service;impo 正如在这个链接- https://groups.google.com/group/powermock/browse_thread/thread/25ba2b85d9e576f4中所讨论的那样,我尝试使用PowerMock和Robolectric来模拟静态方法.但它正在抛出一些难以理解的异常.

以下是我的测试类：

package net.therap.passreset.service;import androID.content.Context;import com.xtremelabs.robolectric.Robolectric;import net.therap.passreset.util.ConnectivityStatus;import org.junit.After;import org.junit.Before;import org.junit.Rule;import org.junit.Test;import org.junit.runner.RunWith;import org.powermock.core.classloader.annotations.PrepareForTest;import org.powermock.modules.junit4.rule.PowerMockRule;import roboguice.RoboGuice;import roboguice.activity.RoboActivity;import roboguice.test.RobolectricRoboTestRunner;import static org.easymock.EasyMock.expect;import static org.powermock.API.easymock.PowerMock.mockStatic;/** * @author sharafat */@RunWith(RobolectricRoboTestRunner.class)@PrepareForTest(ConnectivityStatus.class)public class TherapWebServiceClIEntTest {    @Rule    public PowerMockRule rule = new PowerMockRule();    private Context context = new RoboActivity();    private TherapWebServiceClIEnt therapWebServiceClIEnt;    @Before    public voID setUp() throws Exception {        RoboGuice.setBaseApplicationInjector(Robolectric.application,RoboGuice.DEFAulT_STAGE);        therapWebServiceClIEnt = RoboGuice.getInjector(context).getInstance(TherapWebServiceClIEnt.class);        mockStatic(ConnectivityStatus.class);    }    @After    public voID tearDown() throws Exception {        RoboGuice.util.reset();    }    @Test    public voID testLogin_success() {        Robolectric.setDefaulthttpResponse(200,"");        expect(ConnectivityStatus.isInternetConnected(context)).andReturn(true);        therapWebServiceClIEnt.login("","","");    }}

运行测试会产生以下异常：

com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$UnkNownFIEldException: No such fIEld roboguice.activity.RoboActivity.__shadow__---- DeBUGging information ----fIEld               : __shadow__class               : roboguice.activity.RoboActivityrequired-type       : roboguice.activity.RoboActivityconverter-type      : com.thoughtworks.xstream.converters.reflection.ReflectionConverterpath                : /org.powermock.modules.junit4.rule.PowerMockStatement/outer-class/fNext/fNext/fNext/fTarget/context/__shadow__line number         : 16class[1]            : net.therap.passreset.service.TherapWebServiceClIEntTestclass[2]            : org.junit.internal.runners.statements.InvokeMethodclass[3]            : org.junit.internal.runners.statements.RunBeforesclass[4]            : org.junit.internal.runners.statements.RunAftersclass[5]            : org.powermock.modules.junit4.rule.PowerMockStatementclass[6]            : org.powermock.modules.junit4.rule.PowerMockStatementversion             : null-------------------------------    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.determineType(AbstractReflectionConverter.java:453)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:294)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallFIEld(AbstractReflectionConverter.java:355)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:306)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallFIEld(AbstractReflectionConverter.java:355)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:306)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallFIEld(AbstractReflectionConverter.java:355)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:306)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallFIEld(AbstractReflectionConverter.java:355)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:306)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallFIEld(AbstractReflectionConverter.java:355)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:306)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallFIEld(AbstractReflectionConverter.java:355)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:306)    at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)    at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)    at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)    at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1052)    at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1036)    at com.thoughtworks.xstream.XStream.fromXML(XStream.java:912)    at com.thoughtworks.xstream.XStream.fromXML(XStream.java:903)    at org.powermock.classloading.DeepCloner.clone(DeepCloner.java:54)    at org.powermock.classloading.ClassloaderExecutor.execute(ClassloaderExecutor.java:89)    at org.powermock.classloading.ClassloaderExecutor.execute(ClassloaderExecutor.java:78)    at org.powermock.modules.junit4.rule.PowerMockStatement.evaluate(PowerMockRule.java:49)    at com.xtremelabs.robolectric.RobolectricTestRunner.evaluate(RobolectricTestRunner.java:292)    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)    at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:68)    at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:47)    at org.junit.runners.ParentRunner.run(ParentRunner.java:231)    at org.junit.runners.ParentRunner.schedule(ParentRunner.java:60)    at org.junit.runners.ParentRunner.runchildren(ParentRunner.java:229)    at org.junit.runners.ParentRunner.access
java.lang.NullPointerException    at roboguice.RoboGuice.setBaseApplicationInjector(RoboGuice.java:116)    at net.therap.passreset.service.TherapWebServiceClIEntTest.setUp(TherapWebServiceClIEntTest.java:33)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)    at org.junit.runners.model.FrameworkMethod.runReflectiveCall(FrameworkMethod.java:45)    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)    at org.powermock.modules.junit4.rule.PowerMockStatement.run(PowerMockRule.java:52)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)    at org.powermock.reflect.internal.WhiteBoxImpl.performMethodInvocation(WhiteBoxImpl.java:2014)    at org.powermock.reflect.internal.WhiteBoxImpl.doInvokeMethod(WhiteBoxImpl.java:885)    at org.powermock.reflect.internal.WhiteBoxImpl.invokeMethod(WhiteBoxImpl.java:713)    at org.powermock.reflect.WhiteBox.invokeMethod(WhiteBox.java:401)    at org.powermock.classloading.ClassloaderExecutor.execute(ClassloaderExecutor.java:98)    at org.powermock.classloading.ClassloaderExecutor.execute(ClassloaderExecutor.java:78)    at org.powermock.modules.junit4.rule.PowerMockStatement.evaluate(PowerMockRule.java:49)    at com.xtremelabs.robolectric.RobolectricTestRunner.evaluate(RobolectricTestRunner.java:292)    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)    at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:68)    at org.junit.runners.BlockJUnit4ClassRunner.runchild(BlockJUnit4ClassRunner.java:47)    at org.junit.runners.ParentRunner.run(ParentRunner.java:231)    at org.junit.runners.ParentRunner.schedule(ParentRunner.java:60)    at org.junit.runners.ParentRunner.runchildren(ParentRunner.java:229)    at org.junit.runners.ParentRunner.access
<dependency>    <groupID>org.powermock</groupID>    <artifactID>powermock-module-junit4</artifactID>    <version>${powermock.version}</version>    <scope>test</scope></dependency><dependency>    <groupID>org.powermock</groupID>    <artifactID>powermock-module-junit4-rule</artifactID>    <version>${powermock.version}</version>    <scope>test</scope></dependency><dependency>    <groupID>org.powermock</groupID>    <artifactID>powermock-API-mockito</artifactID>    <version>${powermock.version}</version>    <scope>test</scope></dependency><dependency>    <groupID>org.powermock</groupID>    <artifactID>powermock-classloading-xstream</artifactID>    <version>${powermock.version}</version>    <scope>test</scope></dependency>
0(ParentRunner.java:50)    at org.junit.runners.ParentRunner.evaluate(ParentRunner.java:222)    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)    at org.junit.runners.Suite.runchild(Suite.java:128)    at org.junit.runners.Suite.runchild(Suite.java:24)    at org.junit.runners.ParentRunner.run(ParentRunner.java:231)    at org.junit.runners.ParentRunner.schedule(ParentRunner.java:60)    at org.junit.runners.ParentRunner.runchildren(ParentRunner.java:229)    at org.junit.runners.ParentRunner.access
@RunWith(RobolectricTestRunner.class)@PowerMockIgnore({ "org.mockito.*","org.robolectric.*","androID.*" })@PrepareForTest(Static.class)public class MyTest {    @Rule    public PowerMockRule rule = new PowerMockRule();    private MyActivity activity;    @Before    public voID setup() {        activity = Robolectric.buildActivity(MyActivity.class).create().get();    }    @Test    public voID test() throws Exception {        powermockito.mockStatic(Static.class);        Mockito.when(Static.getCurrentTime()).thenReturn(1);        Assert.assertEquals(1,activity.getID());    }}
0(ParentRunner.java:50)    at org.junit.runners.ParentRunner.evaluate(ParentRunner.java:222)    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)    at org.junit.runner.JUnitCore.run(JUnitCore.java:157)    at com.intellij.junit4.JUnit4IDeaTestRunner.startRunnerWithArgs(JUnit4IDeaTestRunner.java:76)    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)Process finished with exit code 255
0(ParentRunner.java:50)    at org.junit.runners.ParentRunner.evaluate(ParentRunner.java:222)    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)    at org.junit.runners.Suite.runchild(Suite.java:128)    at org.junit.runners.Suite.runchild(Suite.java:24)    at org.junit.runners.ParentRunner.run(ParentRunner.java:231)    at org.junit.runners.ParentRunner.schedule(ParentRunner.java:60)    at org.junit.runners.ParentRunner.runchildren(ParentRunner.java:229)    at org.junit.runners.ParentRunner.access0(ParentRunner.java:50)    at org.junit.runners.ParentRunner.evaluate(ParentRunner.java:222)    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)    at org.junit.runner.JUnitCore.run(JUnitCore.java:157)    at com.intellij.junit4.JUnit4IDeaTestRunner.startRunnerWithArgs(JUnit4IDeaTestRunner.java:76)    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)Process finished with exit code 255

如果我从类中删除了context字段并将其替换为代码中其他位置的新RoboActivity(),则抛出以下异常：

上述异常似乎表明Robolectric无法创建应用程序上下文.关于如何让两者一起工作的任何想法？

解决方法 我找到了一种将PowerMock与Robolectric结合使用的方法.

除了标准的PowerMock jar之外,还需要PowerMock Junit规则.它描述了here如何抓住它.我使用了xstream类加载版本,因为对象是非常错误的.这与PowerMock 1.5.5和Robolectric 2.3一起使用,我不能谈论旧版本.另请注意,不应包含Java代理,因为根据我的经验,它会导致问题.

因此,如果您使用maven,则应声明这些依赖项：

然后你必须像这样设置你的测试类：

总结

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