使用Java在Selenium WebDriver（selenium 2）中进行警报处理 [英] Alert handling in Selenium WebDriver (selenium 2) with Java

问题描述

我想检测是否弹出警报。目前我正在使用以下代码：

I want to detect whether an alert is popped up or not. Currently I am using the following code:

    try {
        Alert alert = webDriver.switchTo().alert();

        // check if alert exists
        // TODO find better way
        alert.getText();

        // alert handling
        log().info("Alert detected: {}" + alert.getText());
        alert.accept();
    } catch (Exception e) {
    }

问题是如果网页的当前状态没有警报，它等待一段特定的时间，直到达到超时，然后抛出异常，因此性能非常差。

The problem is that if there is no alert on the current state of the web page, it waits for a specific amount of time until the timeout is reached, then throws an exception and therefore the performance is really bad.

有没有更好的方法，也许是一个警报事件处理程序，我可以用它来动态发生警报？

Is there a better way, maybe an alert event handler which I can use for dynamically occurring alerts?

推荐答案

这个从我这里使用显式等待 WebDriver：高级用法

This is what worked for me using Explicit Wait from here WebDriver: Advanced Usage

public void checkAlert() {
    try {
        WebDriverWait wait = new WebDriverWait(driver, 2);
        wait.until(ExpectedConditions.alertIsPresent());
        Alert alert = driver.switchTo().alert();
        alert.accept();
    } catch (Exception e) {
        //exception handling
    }
}

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