使用C＃查找视频是否可用使用Selenium

Question

如何使用C＃使用Selenium查找视频是否可用？

IWebDriver driver = new ChromeDriver(@"C:\chromedriver_win32");
driver.Navigate().GoToUrl("https://www.youtube.com/watch?v=v19-La3pTmU");

var result = driver.FindElement(By.ClassName("reason style-scope ytd-player-error-message-renderer")).Text;

这是我的代码段，用于查找youtube视频是否可用。如果没有，我可以访问文本为＆＃34;此视频不可用。＆＃34;如下图所示，但我无法使用我的代码段来访问此文本。

Answer 1

To extract the text This video is unavailable. you can use either of the following lines of code :

• XPath :

  var result = driver.FindElement(By.XPath("//div[@class='reason style-scope ytd-player-error-message-renderer']")).GetAttribute("innerHTML");
  

• CssSelector :

  var result = driver.FindElement(By.CssSelector("div.reason.style-scope.ytd-player-error-message-renderer")).GetAttribute("innerHTML");
  

Perhaps you may require to induce WebDriverWait in conjunction with ExpectedConditions as follows :

• XPath :

  wait = new WebDriverWait(driver, TimeSpan.FromSeconds(20));
  var result = wait.Until(ExpectedConditions.ElementIsVisible(By.XPath("//div[@class='reason style-scope ytd-player-error-message-renderer']"))).GetAttribute("innerHTML");
  

• CssSelector :

  wait = new WebDriverWait(driver, TimeSpan.FromSeconds(20));
  var result = wait.Until(ExpectedConditions.ElementIsVisible(By.XPath("div.reason.style-scope.ytd-player-error-message-renderer"))).GetAttribute("innerHTML");