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Android上奇怪的Mockito测试框架行为_Android_Unit Testing_Testing_Mockito - Fatal编程技术网

Android上奇怪的Mockito测试框架行为

Android上奇怪的Mockito测试框架行为,android,unit-testing,testing,mockito,Android,Unit Testing,Testing,Mockito,我开始为我的应用程序编写测试,目前在Mockito框架中遇到了非常奇怪的行为。基本上,我有以下简单的测试类: package com.app.greatapp; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.Mock; import org.mockito.runners.MockitoJUnitRunner; import static

我开始为我的应用程序编写测试,目前在Mockito框架中遇到了非常奇怪的行为。基本上,我有以下简单的测试类:

package com.app.greatapp;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

import static junit.framework.Assert.assertTrue;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.class)
public class DateToolsTests {

    @Mock Context context;

    @Before
    public void setUp() {
        when(context.getString(R.string.app_name)).thenReturn(" app");
    }

    @Test
    public void makeMyTest() {
        assertTrue(context.getString(R.string.app_name).equals(" app"));
    }
}
我在两个项目中(以及在同一台PC中)使用上面的类(使用完全相同的代码),以进行测试。在一个项目中,测试通过得很好,但在另一个项目中,我得到了这样的例外:

java.lang.RuntimeException: Stub!

    at android.content.Context.getString(Context.java:14)
    at com.app.funguide.DateToolsTests.setUp(DateToolsTests.java:21)
    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 org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.mockito.internal.runners.JUnit45AndHigherRunnerImpl.run(JUnit45AndHigherRunnerImpl.java:37)
    at org.mockito.runners.MockitoJUnitRunner.run(MockitoJUnitRunner.java:62)
    at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:119)
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234)
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74)
    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:144)
由于一些奇怪的原因,mockito似乎无法模拟
上下文
对象

在这两个项目build.gradle文件中,我都有以下依赖项:

testCompile 'org.mockito:mockito-core:1.10.19'
并使用最新的gradle插件版本:

classpath 'com.android.tools.build:gradle:2.2.3'
有人有想法吗?根据文档、教程等,它看起来非常基本。很奇怪为什么它在一个项目中工作而在另一个项目中不工作。

检查这里。看起来问题在于您的环境,您没有在仿真中运行测试,这就是为什么您在这里得到存根错误检查。看起来问题在于您的环境,您没有在仿真中运行测试,这就是为什么会出现存根错误