Ruby Selenium AndroidDriver-无法切换到iframe“；无法读取属性'；文件'；“未定义”的定义；

我无法切换到AndroidDriver内部的iframe。详情如下。我尝试过使用firefox的常规webdriver，我可以很好地切换

代码：

堆栈跟踪：

Selenium::WebDriver::Error::UnknownError: Error: {"message":"Cannot read property 'document' of undefined"}
Build info: version: 'unknown', revision: 'unknown', time: 'unknown'
System info: os.name: 'Linux', os.arch: 'armv7l', os.version: '3.0.31-789635', java.version: '0'
Driver info: driver.version: AndroidWebDriver (org.openqa.selenium.WebDriverException)
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver(AndroidWebDriver.java):997:in `throwIfError'
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver(AndroidWebDriver.java):868:in `executeRawScript'
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver(AndroidWebDriver.java):858:in `access$7'
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver$AndroidTargetLocator(AndroidWebDriver.java):679:in `frame'
    from [remote server] org.openqa.selenium.support.events.EventFiringWebDriver$EventFiringTargetLocator(EventFiringWebDriver.java):573:in `frame'
    from [remote server] org.openqa.selenium.remote.server.handler.SwitchToFrame(SwitchToFrame.java):52:in `call'
    from [remote server] org.openqa.selenium.remote.server.handler.SwitchToFrame(SwitchToFrame.java):1:in `call'
    from [remote server] java.util.concurrent.FutureTask$Sync(FutureTask.java):305:in `innerRun'
    from [remote server] java.util.concurrent.FutureTask(FutureTask.java):137:in `run'
    from [remote server] org.openqa.selenium.remote.server.DefaultSession$1(DefaultSession.java):151:in `run'
    from [remote server] java.util.concurrent.ThreadPoolExecutor(ThreadPoolExecutor.java):1076:in `runWorker'
    from [remote server] java.util.concurrent.ThreadPoolExecutor$Worker(ThreadPoolExecutor.java):569:in `run'
    from [remote server] java.lang.Thread(Thread.java):856:in `run'

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我在测试中遇到了同样的问题，我猜这种行为会在ChromeDriver上重现

我的解决方法（一个丑陋的解决方法）是将iframe作为一个独立的窗口

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很高兴听到您针对此WebDriver错误的解决方案

谢谢您的回复。我注意到很多用户都有同样的问题。如果我遇到一个解决方案，我一定会向你汇报

Selenium::WebDriver::Error::UnknownError: Error: {"message":"Cannot read property 'document' of undefined"}
Build info: version: 'unknown', revision: 'unknown', time: 'unknown'
System info: os.name: 'Linux', os.arch: 'armv7l', os.version: '3.0.31-789635', java.version: '0'
Driver info: driver.version: AndroidWebDriver (org.openqa.selenium.WebDriverException)
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver(AndroidWebDriver.java):997:in `throwIfError'
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver(AndroidWebDriver.java):868:in `executeRawScript'
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver(AndroidWebDriver.java):858:in `access$7'
    from [remote server] org.openqa.selenium.android.library.AndroidWebDriver$AndroidTargetLocator(AndroidWebDriver.java):679:in `frame'
    from [remote server] org.openqa.selenium.support.events.EventFiringWebDriver$EventFiringTargetLocator(EventFiringWebDriver.java):573:in `frame'
    from [remote server] org.openqa.selenium.remote.server.handler.SwitchToFrame(SwitchToFrame.java):52:in `call'
    from [remote server] org.openqa.selenium.remote.server.handler.SwitchToFrame(SwitchToFrame.java):1:in `call'
    from [remote server] java.util.concurrent.FutureTask$Sync(FutureTask.java):305:in `innerRun'
    from [remote server] java.util.concurrent.FutureTask(FutureTask.java):137:in `run'
    from [remote server] org.openqa.selenium.remote.server.DefaultSession$1(DefaultSession.java):151:in `run'
    from [remote server] java.util.concurrent.ThreadPoolExecutor(ThreadPoolExecutor.java):1076:in `runWorker'
    from [remote server] java.util.concurrent.ThreadPoolExecutor$Worker(ThreadPoolExecutor.java):569:in `run'
    from [remote server] java.lang.Thread(Thread.java):856:in `run'