误报：junit.framework.AssertionFailedError：EditText上未找到

问题描述

我有一个问题设立Robotium测试，无随机假posivities特拉维斯上运行。

每对夫妇的构建，我得到

  pl.mg6.agrtt.TestActivityTests＆GT; testCanEnterTextAnd pressButton [测试（AVD） -  4.4.2]失败
    junit.framework.AssertionFailedError：EditText上没有找到！
    在com.robotium.solo.Waiter.waitForAndGetView（Waiter.java:540）
 

在我所有的测试。

我已经创建的显示问题。结果
您可能会看到它是如何建立。注构建＃7 modyfing无关的文件后失败。

我怀疑这是由仿真器引起的被锁定或其sceeen变暗。我可以熄灭后，再连接设备的屏幕上，然后运行重现本地机器上的这个问题。

  ./ gradlew connectedAndroidTest
 

---

modyfing测试后我得到一个不同的错误信息，这是有点更多的信息，所以我将它添加，以防万一有人试图找到一个解决办法：

  pl.mg6.agrtt.TestActivityTests＆GT; testCanFindViewsEnterTextAnd pressButton [测试（AVD） -  4.4.2]失败
    junit.framework.AssertionFailedError：点击（160.0，264.0）无法完成！ （java.lang.SecurityException异常：注射到另一个应用程序需要INJECT_EVENTS许可）
    在com.robotium.solo.Clicker.clickOnScreen（Clicker.java:106）
 

解决方案

虽然这个问题的根本原因仍然是未知的我，经过一番考察，并与Robotium的作者的我可以证实我起初怀疑是仿真器确实锁定本身。

我现在使用一种解决方法是这样的code将在设置方法：

  getInstrumentation（）。runOnMainSync（新的Runnable（）{
    @覆盖
    公共无效的run（）{
        。getActivity（）getWindow（）addFlags（WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD）;
    }
}）;
 

I have a problem setting up Robotium tests to run on Travis without random false posivities.

Every couple of builds I get

pl.mg6.agrtt.TestActivityTests > testCanEnterTextAndPressButton[test(AVD) - 4.4.2] FAILED
    junit.framework.AssertionFailedError: EditText is not found!
    at com.robotium.solo.Waiter.waitForAndGetView(Waiter.java:540)

on all my tests.

I have created a simple project on GitHub to show the issue.
You may see how it builds on Travis. Note build #7 failed after modyfing unrelated file.

I'm suspecting this to be caused by emulator being locked or its sceeen dimmed. I could reproduce this issue on local machine by turning connected device's screen off and then running

./gradlew connectedAndroidTest

---

After modyfing tests I got a different error message, which is somewhat more informative, so I'm adding it just in case someone tries to find a solution:

pl.mg6.agrtt.TestActivityTests > testCanFindViewsEnterTextAndPressButton[test(AVD) - 4.4.2] FAILED
    junit.framework.AssertionFailedError: Click at (160.0, 264.0) can not be completed! (java.lang.SecurityException: Injecting to another application requires INJECT_EVENTS permission)
    at com.robotium.solo.Clicker.clickOnScreen(Clicker.java:106)

解决方案

While the root cause of this problem is still unknown to me, after some investigation and with a help from Robotium's author Renas Reda I could confirm what I initially suspected that emulator indeed locks itself.

A workaround I'm using now is this code put in setUp method:

getInstrumentation().runOnMainSync(new Runnable() {
    @Override
    public void run() {
        getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
    }
});

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