问题描述
我有一个搜索框,当我搜索一个值时,比如银行名称,它会显示与搜索框中给出的文本匹配的结果。但这里的问题是它可能不是一个确切的结果,而且通过在搜索结果中智能刷新,加载完整列表也需要几秒钟的时间。因此,即使我等待加载某些结果,它也会立即获取当时发生的任何值,但实际上它会在几秒钟后刷新列表。那么我如何等待完全加载然后取出结果。请对此提供任何帮助。
代码片段
<ul class="DropDown__options DropDown__options--small--focused DropDown__options--focused" id="searchTopBank-listBox" role="listBox" aria-activedescendant="searchTopBank-options-4">
<li aria-selected="true" class="DropDown__option TypeAhead__option DropDown__option--focused DropDown__option--small" id="searchTopBank-options-0" role="option">
<img alt="" class="dropdown-logo" src="data">
<span>
<span class="DropDown__matched-option-chars">Bank of America</span>
</span>
</li>
<li aria-selected="false" class="DropDown__option TypeAhead__option DropDown__option--focused DropDown__option--small" id="searchTopBank-options-1" role="option">
<img alt="" class="dropdown-logo" src="data">
<span>First National
<span class="DropDown__matched-option-chars">Bank of America</span>
</span>
</li>
<li aria-selected="false" class="DropDown__option TypeAhead__option DropDown__option--focused DropDown__option--small" id="searchTopBank-options-2" role="option">
<img alt="" class="dropdown-logo" src="data:image/png;base64,null">
<span>Second National Farmer's
<span class="DropDown__matched-option-chars">Bank of America</span>
</span>
</li>
<li aria-selected="false" class="DropDown__option TypeAhead__option DropDown__option--focused DropDown__option--small" id="searchTopBank-options-3" role="option">
<img alt="" class="dropdown-logo" src="data:image/png;base64,null">
<span>
<span class="DropDown__matched-option-chars">Altabank</span>
</span>
</li>
<li aria-selected="false" class="DropDown__option TypeAhead__option DropDown__option--focused DropDown__option--hover DropDown__option--small" id="searchTopBank-options-4" role="option">
<img alt="" class="dropdown-logo" src="data:image/png;base64,null">
<span>Freedom
<span class="DropDown__matched-option-chars">Bank of America</span>
</span>
</li>
</ul>
解决方法
我建议做这样的事情:
WebDriverWait wait = new WebDriverWait(driver,20);
public void wait(int delay){
try {
Thread.sleep(delay);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
String searchResult = "//li[contains(@id,'searchTopBank-options')]";
wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath(searchResult)));
int initialAmount = driver.findElements(By.xpath(searchResult)).size();
while(true){
wait(200);
int newAmount = driver.findElements(By.xpath(searchResult)).size();
if(newAmount > initialAmount){
initialAmount = newAmount;
}else{
break;
}
}
等待量取决于带来新搜索结果的最慢实际速度。
,为什么不将最差的 ExplicitWait
- (Thread.sleep(5000))
与可靠的 ExplicitWait
- visibilityOfAllElements
混合并使用 - driver.findElements
给出一个列表:
我相信这个 css 代表了所有元素:
span.DropDown__matched-option-chars
代码:
Thread.sleep(5000);
new WebDriverWait(driver,10).until(ExpectedConditions.visibilityOfAllElements(driver.findElements(By.cssSelector("span.DropDown__matched-option-chars"))));