如何等待直到下拉选择的文本与使用硒的其他文本匹配?

问题描述：

HTML:

<select name="ddlFruit" id="ddlFruit" class="Searchddl">
    <option value="">Select</option>
    <option value="447">Grapes</option>
    <option value="448">Mango</option>
    <option selected="selected" value="449">Apple</option>
</select>

假设"Apple"处于首选模式，由于站点上还有其他操作，此下拉列表会自动更改为其他选项.我希望网络驱动程序等到"Mango"文本处于选定模式.

Suppose "Apple" is in first selected mode, due to some other actions on site, this drop-down changes to other options automatically. I want webdriver to wait until "Mango" text is in selected mode.

尝试的代码:

public static SelectElement FindSelectElementWhenPopulated(IWebDriver driver, By by, int delayInSeconds, string optionText)
    {
        WebDriverWait wait = new WebDriverWait(driver, TimeSpan.FromSeconds(delayInSeconds));
        return wait.Until<SelectElement>(drv => 
        {
            SelectElement element = new SelectElement(drv.FindElement(by));
            if (element.SelectedOption.ToString().Contains(optionText))
            {
                return element;
            }

            return null;
        }
        );
    }

Myclass.FindSelectElementWhenPopulated(driver, By.CssSelector("#ddlFruit"), 20, "Mango");

我正在使用C#.

答

您不想将SelectedOption转换为字符串.改为测试Text属性:

You don't want to convert the SelectedOption to a string. Test the Text property instead:

if (element.SelectedOption.Text.Contains(optionText))

进行一些更改，您可以使其成为WebDriverWait上的便捷扩展方法:

With a few changes, you can make this a handy extension method on WebDriverWait:

public static SelectElement UntilOptionIsSelected(this WebDriverWait wait, By by, string optionText)
{
    return wait.Until<SelectElement>(driver => 
    {
        var element = new SelectElement(driver.FindElement(by));

        if (element.SelectedOption.Text.Contains(optionText))
        {
            return element;
        }

        return null;
    });
}

并使用它:

var wait = new WebDriverWait(driver, TimeSpan.FromSeconds(20));
var dropdown = wait.UntilOptionIsSelected(By.CssSelector("#ddlFruit"), "Mango");

如何等待直到下拉选择的文本与使用硒的其他文本匹配?

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