有一次,我发现自己在同样的情况你。另外,我有很多实际发现的元素,但都不可见 - JSF还不够快,无法让它们可见。另外,我厌倦了一次又一次地写selenium
。
于是我坐下来,写了下面的代码。它等待所有元素出现在页面上并且在与它们交互之前可见(或者在超时后失败)。因为我已经搬到了webdriver的,所以我没有原代码,但它是这样的:
public static long WAIT = 10000; // ten seconds
private void waitForElement(String locator) {
long targetTime = System.currentTimeMillis() + WAIT;
boolean found;
do {
found = selenium.isElementPresent(locator) && selenium.isVisible(locator);
} while (!found && (targetTime < System.currentTimeMillis()));
if (!found) {
throw new SeleniumException("Element " + locator + " not found");
}
}
public void click(String locator) {
waitForElement(locator);
selenium.click(locator);
}
public void type(String locator, String text) {
waitForElement(locator);
selenium.type(locator, text);
}
至于waitForCondition()
这应该是一个代码检测一个元素是否存在:
String locator = "id=anything";
String script =
"var retValue = true;" +
"try {" +
" selenium.browserbot.findElement('" + locator + "');" +
"} catch(e) {" +
" retValue = false;" +
"}" +
"retValue;";
selenium.waitForCondition("!!selenium.browserbot.findElement('" + locator + "')", "10000");
selenium.click(locator);
,只是普通的JavaScript:
var retValue = true;
try {
selenium.browserbot.findElement('" + locator + "');
} catch(e) {
retValue = false;
}
retValue;