如何在webdriver中随机选择单选按钮？

Question

答案选择的HTML是

 A
<input id="A" type="radio" onclick="javascript:ValidateAns(53209,0,9, 'A')" name="AnsChoice" value="A"/>
<label for="A">145</label>
<br/>
<br/>
    B
<input id="B" type="radio" onclick="javascript:ValidateAns(53209,0,9, 'B')" name="AnsChoice" value="B"/>
<label for="B">148</label>
<br/>
<br/>
    C
<input id="C" type="radio" onclick="javascript:ValidateAns(53209,0,9, 'C')" name="AnsChoice" value="C"/>
<label for="C">143</label>
<br/>
<br/>
    D
<input id="D" type="radio" onclick="javascript:ValidateAns(53209,0,9, 'D')" name="AnsChoice" value="D"/>
<label for="D">155</label>

Answer 1

不是WebDriver问题。

Random rnd = new Random();
List<WebElement> radios = driver.findElements(By.xpath("//input"));
radios.get(rnd.nextInt(radios.size())).click();