其他测试框架 Uiautomator 监听类 UiWatcher 场景应用

沈凯 · February 14, 2014 · Last by 思寒_seveniruby replied at February 14, 2014 · 2271 hits
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The testing framework calls this handler method automatically when the framework is unable to find a match using the UiSelector. When a match is not found after a predetermined time has elapsed, the framework calls the checkForCondition() method of all registered watchers on the device. You can use this method to handle known blocking issues that are preventing the test from proceeding. For example, you can check if a dialog appeared that is blocking the the test, then close the dialog or perform some other appropriate action to allow the test to continue.

Returns
true to indicate a matched condition, or false if no matching condition is found

这是我直接从官方文档上扣下来的,简单来说,当你Uiobject对象无法匹配Uiselector条件时会触发当前所有已注册运行的监听器,避免测试中有类似意外弹出框导致终止运行.
以下就测试中来电挂断场景为例,各位测试同仁如遇困惑可参考.监听器必须在case前运行,一般在方法第一行注册this.watcherEndTheCall();

private void watcherEndTheCall(){
UiDevice.getInstance().registerWatcher("endCall", new UiWatcher() {
UiObject incomingCall = new UiObject(new UiSelector()
.resourceId("com.android.phone:id/callStateLabel"));

@Override
public boolean checkForCondition() {
System.out.println("watcherEndCall running");
if(incomingCall.exists()){
try {
Runtime.getRuntime().exec("input keyevent 5");
sleep(1000);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("endCall success");
return true;
}
// TODO Auto-generated method stub
System.out.println("endCall fail");
return false;

}
});
}
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注:补充Uidevice动作不会触发监听器!!

#1楼 @shenkai600 这个特性还是挺有用的, 我看appium的代码里面也加了watcher, 用来处理ANR等打断型的场景。

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