[英]How to click the alert only if it is displayed in Browser Selenium java?
这是测试方案
这是该警报的HTML代码
<div class="top-alert hidden-xs hidden-sm">
<div id="alert0" class="alert pull-right alert-danger alert-dismissable" style="display:none;">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
<strong>Error:</strong> Invalid Inputs!
</div>
<div id="alert2" class="alert pull-right alert-warning alert-dismissable" style="display:none;">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
<strong>Warning:</strong> Your Login is limited
</div>
<div id="alert3" class="alert pull-right alert-warning alert-dismissable" style="display:none;">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
<strong>Warning:</strong> You are Already Loggedin <a href="http://localhost/myapp/public/logout">Logout</a>
</div>
</div>
这是网站截图
这是我的解决方案
public class Test
{
public static void main(String[] args)
{
System.setProperty("webdriver.chrome.driver", "C:\\\\Selenium\\\\drivers\\\\chromedriver.exe");
WebDriver driver = new ChromeDriver();
driver.get("http://localhost/myapp/public/login");
// Maxmimize windows
driver.manage().window().maximize();
// Login the Tripmaker
driver.findElement(By.xpath("//input[@id='email']")).sendKeys("test@test.com");
driver.findElement(By.id("password")).sendKeys("s123456");
driver.findElement(By.cssSelector("#lsbt")).click();
// Explicit wait
if (!driver.findElement(By.xpath("//div[@class='top-alert hidden-xs hidden-sm']/div[@id='alert3']/a[contains(text(), 'Logout')]")).isDisplayed())
{
WebDriverWait alert = new WebDriverWait(driver, 5);
alert.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//div[@class='top-alert hidden-xs hidden-sm']/div[@id='alert3']/a[contains(text(), 'Logout')]")));
driver.findElement(By.xpath("//div[@class='top-alert hidden-xs hidden-sm']/div[@id='alert3']/a[contains(text(), 'Logout')]")).click();
}
else if (driver.findElement(By.xpath("//div[@class='top-alert hidden-xs hidden-sm']/div[@id='alert3']/a[contains(text(), 'Logout')]")).isDisplayed())
{
System.out.println("This step is skipped");
}
}
}
我的代码正常工作,但如果登录时显示警告,则抛出错误
Exception in thread "main" org.openqa.selenium.TimeoutException: Expected condition failed: waiting for visibility of element located by By.xpath: //div[@class='top-alert hidden-xs hidden-sm']/div[@id='alert3']/a[contains(text(), 'Logout')] (tried for 5 second(s) with 500 milliseconds interval)
at org.openqa.selenium.support.ui.WebDriverWait.timeoutException(WebDriverWait.java:113)
at org.openqa.selenium.support.ui.FluentWait.until(FluentWait.java:283)
at demo.myapp.main(myapp.java:41)
Caused by: org.openqa.selenium.NoSuchElementException: Cannot locate an element using By.xpath: //div[@class='top-alert hidden-xs hidden-sm']/div[@id='alert3']/a[contains(text(), 'Logout')]
我尝试了.isDisplayed()
.isSelected()
和.isEnabled ()
。
您可以像这样通过try-catch块处理弹出窗口,
try {
if(driver.findElement(By.id("alert3")).isDisplayed())
{
driver.findElement(By.linkText("Logout")).click();
}
} catch(Exception e) {
System.out.println("User defined Message");
}
根据您的用例 ,等待带有退出链接的警报出现,然后单击带有文本的链接作为退出,您需要诱导WebDriverWait使元素可单击,并且可以使用以下代码块:
//Login the Tripmaker
driver.findElement(By.xpath("//input[@id='email']")).sendKeys("test@test.com");
driver.findElement(By.id("password")).sendKeys("s123456");
driver.findElement(By.cssSelector("#lsbt")).click();
try {
new WebDriverWait(driver, 20).until(ExpectedConditions.elementToBeClickable(By.xpath("//div[@class='top-alert hidden-xs hidden-sm']//div[@class='alert pull-right alert-warning alert-dismissable' and @id='alert3']//a[@href='http://localhost/myapp/public/logout']"))).click();
}
catch (TimeoutException e) {
System.out.println("Element is not present");
}
我在您的代码中修复了一些问题。 您混合使用了By.id()
, By.cssSelector()
和By.XPath()
查找所有具有ID的元素。 只要有ID并使用By.id()
您就应该首选ID。 if
不必要的if
,您还有很多额外的东西。 您检查了该元素是否不可见,然后等待它可见,然后再次找到它并单击它,否则,如果它不可见,则打印一条消息。 总而言之,您只需要执行一次就可以找到该元素4次。
由于该元素可能存在或可能不存在,并且我们需要等待它,因此您需要在try-catch
等待中加上try-catch
。
public class Test
{
public static void main(String[] args)
{
System.setProperty("webdriver.chrome.driver", "C:\\\\Selenium\\\\drivers\\\\chromedriver.exe");
WebDriver driver = new ChromeDriver();
driver.get("http://localhost/myapp/public/login");
// Maxmimize windows
driver.manage().window().maximize();
// Login the Tripmaker
driver.findElement(By.id("email")).sendKeys("test@test.com");
driver.findElement(By.id("password")).sendKeys("s123456");
driver.findElement(By.id("lsbt")).click();
try
{
// wait for the logout link in the dialog and click it
new WebDriverWait(driver, 3).until(ExpectedConditions.elementToBeClickable(By.cssSelector("#alert3 a[href$='logout']"))).click();
}
catch (TimeoutException)
{
// logout link was never displayed
System.out.println("This step is skipped");
}
}
}
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