Java 无法解析符号 PowerMockRunner
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cannot resolve symbol PowerMockRunner
提问by Elad Benda2
I'm trying to use Powermock for the first time
我第一次尝试使用 Powermock
I use build.gradle and added:
我使用 build.gradle 并添加：
dependencies {
...
testCompile 'org.mockito:mockito-all:1.9.5'
testCompile 'org.powermock:powermock-api-mockito:1.5.5'
}
now I look at my test class which has:
现在我看看我的测试班，它有：
import org.junit.Before;
import org.junit.runner.RunWith;
import org.mockito.Matchers;
import org.powermock.core.classloader.annotations.PrepareForTest;
@RunWith(PowerMockRunner.class)
@PrepareForTest(GeoUtils.class)
and get this error:
并收到此错误：
@RunWith(PowerMockRunner.class)
^
cannot resolve symbol PowerMockRunner
how come it resolves PrepareForTestand not PowerMockRunner?
它怎么解决PrepareForTest而不是PowerMockRunner？
采纳答案by David Conrad
You need to import PowerMockRunneras follows:
您需要PowerMockRunner按如下方式导入：
import org.powermock.modules.junit4.PowerMockRunner;
回答by Balaji Katika
回答by maruti060385
You just need to add the gradle dependency
你只需要添加gradle依赖
testCompile "org.powermock:powermock-module-junit4:1.6.4"
or if you're use Android Studio version 3+
或者如果您使用的是 Android Studio 版本 3+
testImplementation "org.powermock:powermock-module-junit4:1.6.4"
回答by wateva
I faced this error because I had only the first of the following dependencies added in my pom.xml. Please ensure you add both the following maven dependencies for PowerMock to your pom.xml.
我遇到了这个错误，因为我的 pom.xml 中只添加了以下依赖项中的第一个。请确保将 PowerMock 的以下 Maven 依赖项添加到 pom.xml。
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-api-mockito</artifactId>
<version>1.6.3</version>
</dependency>
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-module-junit4</artifactId>
<version>1.6.3</version>
</dependency>
回答by pavithraCS
I also faced with a similar error. Although the jars are already in the classpath, eclipse didn't suggest to import PowerMockRunner class. It was giving error "Class cannot be resolved to a type". I had to manually add the import "org.powermock.modules.junit4.PowerMockRunner".
我也遇到了类似的错误。尽管 jars 已经在类路径中，但 eclipse 并没有建议导入 PowerMockRunner 类。它给出了错误“类无法解析为类型”。我不得不手动添加导入“ org.powermock.modules.junit4.PowerMockRunner”。
回答by Bhola Bhala
For instrumental tests you have to use androidTestImplementation "org.powermock:powermock-module-junit4:1.6.4"
对于仪器测试，您必须使用 androidTestImplementation "org.powermock:powermock-module-junit4:1.6.4"
But then I found out, you can′t use PowerMock with instrumental tests:
但后来我发现，你不能在仪器测试中使用 PowerMock：
PowerMock won't work on Android if you run it on a device since PowerMock is using JVM byte code manipulation. It will work if you run it on a JVM though.
如果您在设备上运行 PowerMock，则它无法在 Android 上运行，因为 PowerMock 使用的是 JVM 字节码操作。但是，如果您在 JVM 上运行它，它将起作用。
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