Android 上的 Mockito + Dexmaker

Mockito + Dexmaker on Android(Android 上的 Mockito + Dexmaker)
本文介绍了Android 上的 Mockito + Dexmaker的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

问题描述

我正在尝试在我的 Android 项目中使用 Mockito.我找到了处理它的非常好的教程:http://www.paulbutcher.com/2012/05/mockito-on-android-step-by-step/

I am trying to use Mockito in my Android project. I have found very nice tutorial that deals with it: http://www.paulbutcher.com/2012/05/mockito-on-android-step-by-step/

基本上它使用新版本的 Mockito + Dexmaker 并且一切都按预期工作.
但是,当我尝试模拟一些 Android 特定对象时,即:

Basically it uses new version of Mockito + Dexmaker and everything works as expected.
However, when I try to mock some Android specific object i.e:

Context context = mock(Context.class);

我收到此异常:

java.lang.IllegalArgumentException: 
    dexcache == null (and no default could be found; 
    consider setting the 'dexmaker.dexcache' system property)
at com.google.dexmaker.DexMaker.generateAndLoad(DexMaker.java:359)
at com.google.dexmaker.stock.ProxyBuilder.buildProxyClass(ProxyBuilder.java:252)
at com.google.dexmaker.mockito.DexmakerMockMaker.createMock(DexmakerMockMaker.java:54)
at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:26)

知道怎么解决吗?

推荐答案

从@rjath 对@MrChaz 答案的评论来看,这对我来说效果更好:

From @rjath's comment of @MrChaz's answer, this works better for me:

System.setProperty(
    "dexmaker.dexcache",
    getInstrumentation().getTargetContext().getCacheDir().getPath());

我把它放在我的 setUp() 方法中.

I put it in my setUp() method.

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