java selenium筆記之等待

一.等待

1. 隱式等待

WebDriver driver = new FirefoxDriver();
        driver.get("url");    
        
        driver.manage().timeouts().implicitlyWait(20, TimeUnit.SECONDS);// 總共等待20秒,如果20秒後，元素還不存在，就會拋出異常 org.openqa.selenium.NoSuchElementException
        WebElement element = driver.findElement(By.cssSelector(".red_box"));      
        ((JavascriptExecutor)driver).executeScript("arguments[0].style.border = \"5px solid yellow\"",element);  

 2.顯示等待

driver.get("url");    
        
        WebDriverWait wait = new WebDriverWait(driver, 20);
wait.until(ExpectedConditions.presenceOfElementLocated(By.cssSelector(".red_box")));//等待條件
        //elementToBeClickable(By locator); 頁面元素是否在頁面上可用和可被單擊
        //elementToBeSelected(WebElement element); 頁面元素處於被選中狀態
        //presenceOfElementLocated(By locator);頁面元素在頁面中存在
        //textToBePresentInElement(By locator);在頁面元素中是否包含特定的文本
        //textToBePresentInElementValue(By locator, java.lang.String text);頁面元素值
        //titleContains(java.lang.String title);標題 (title)
        WebElement element = driver.findElement(By.cssSelector(".red_box"));      
        ((JavascriptExecutor)driver).executeScript("arguments[0].style.border = \"5px solid yellow\"",element);