我有一个测试,加载一个页面并搜索一个元素。如果它不存在,请等待一段时间,然后返回并重新搜索。如果元素存在,则输出文本,然后等待一段时间并重复测试。递归循环Selenium Webdriver
我对我的硒脚本的理由是不断地从显示当前查看者数量的控制台上刮取网页,并控制每个~10分钟保存的变量。我希望递归地执行此操作,因为一旦运行一次,测试就会完成。我希望这个运行只要我想要它,并随时停止它。任何帮助将不胜感激
//Search for channel (Change below to a new channel)
driver.findElement(By.id("channelName")).clear();
driver.findElement(By.id("channelName")).sendKeys("ch123");
//Label - updateViewer
updateViewer();
//Verify that viewer count is listed
//Label checkViewer
checkViewer();
//Once viewer is updated, loop back to updateViewer and below
loopInterval();
}
@After
public void tearDown() throws Exception {
driver.quit();
String verificationErrorString = verificationErrors.toString();
if (!"".equals(verificationErrorString)) {
fail(verificationErrorString);
}
}
private boolean isElementPresent(By by) {
try {
driver.findElement(by);
return true;
} catch (NoSuchElementException e) {
return false;
}
}
private void updateViewer() throws InterruptedException {
System.out.println("Getting current viewer count");
driver.findElement(By.id("gobutton")).click();
for (int second = 0;; second++) {
if (second >= 60) fail("timeout");
try { if (isElementPresent(By.xpath("//table[@id='datatable1']/tbody/tr/td[4]"))) break; } catch (Exception e) {}
Thread.sleep(1000);
}
}
private void checkViewer() throws InterruptedException {
boolean viewElement = isElementPresent(By.xpath("//table[@id='datatable1']/tbody/tr/td[4]"));
if(!viewElement){
System.out.println("no view element, refreshing page");
updateViewer();
}
else{
String viewers = driver.findElement(By.xpath("//table[@id='datatable1']/tbody/tr/td[4]")).getText();
System.out.println(viewers);
//-- placement to write current timestamp and date + viewers to file --
// -- placement method that calls updateViewer and checkViewer in a loop --
}
}
private void loopInterval() throws InterruptedException {
updateViewer();
checkViewer();
}
尝试使用[线程](https://docs.oracle.com/javase/tutorial/essential/concurrency/runthread.html) – 4castle