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android – 不能将PowerMock与Robolectric一起使用

Android   发布时间：2022-04-28  发布网站：大佬教程  code.js-code.com
大佬教程收集整理的这篇文章主要介绍了android – 不能将PowerMock与Robolectric一起使用，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
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.RoboActivity
required-type       : roboguice.activity.RoboActivity
converter-type      : com.thoughtworks.xstream.converters.reflection.ReflectionConverter
path                : /org.powermock.modules.junit4.rule.PowermockStatement$1/outer-class/fNext/fNext/fNext/fTarget/context/__shadow__
line number         : 16
class[1]            : net.therap.passreset.service.TherapWebserviceClientTest
class[2]            : org.junit.internal.runners.statements.InvokeMethod
class[3]            : org.junit.internal.runners.statements.RunBefores
class[4]            : org.junit.internal.runners.statements.RunAfters
class[5]            : org.powermock.modules.junit4.rule.PowermockStatement
class[6]            : org.powermock.modules.junit4.rule.PowermockStatement$1
version             : 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$1.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$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.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$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.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：

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$1.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$1.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$1.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$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.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$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.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

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R_330_11845@aven,则应声明这些依赖项：

<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>

然后你必须像这样设置你的测试类：

@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());
    }
}

大佬总结

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