在运行时期间突出显示WebDriver中的元素

时间：2012-05-18 22:05:00

标签： java selenium webdriver

有人可以帮忙！

如何在WebDriver的测试执行期间突出显示以下类中的所有Web元素？ 使用Selenium RC，它非常直接，但是使用WebDriver，我正在努力。

如果有人可以请我提供一些我可以尝试的代码，我将不胜感激，这些代码也适用于下面的课程 - 抱歉，我的Java技能并不是那么好。

package hisScripts;
import java.util.concurrent.TimeUnit;
import org.testng.annotations.*;
import org.testng.Assert;
import static org.testng.Assert.fail;
import org.openqa.selenium.*;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.ie.InternetExplorerDriver;
import org.openqa.selenium.interactions.Actions;


public class R_LHAS_Only_Account_Verification extends HIS_Login_Logout{
    public WebDriver driver;
    public String baseUrl;
    public int exeMonth;
    private StringBuffer verificationErrors = new StringBuffer();

    @BeforeClass
    @Parameters ({"browser1", "url", "executionMonth"})
    public void setUp(String browser1, String url, int executionMonth) throws Exception {
        exeMonth = executionMonth;
        baseUrl = url;

        if (browser1.equals("FF")) {
            driver = new FirefoxDriver();
        } else if (browser1.equals("IE")){
            driver = new InternetExplorerDriver();
        }       
        driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);    
    }       

    @Test
    public void R_LHAS_Reports() throws Exception {
        R_LHAS_Only_Login(baseUrl, driver);
        Assert.assertEquals("Kingston upon Thames (RB)", driver.findElement(By.xpath("//html/body/div[9]/div/div[3]/div/div/div")).getText());
        Assert.assertEquals("Average price", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr/td")).getText());
        Assert.assertEquals("% price change", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[2]/td")).getText());
        Assert.assertEquals("Lower quartile price", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[3]/td")).getText());
        Assert.assertEquals("Time to sell (weeks)", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[4]/td")).getText());
        Assert.assertEquals("% asking price achieved", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[5]/td")).getText());
        Assert.assertEquals("House price to earnings ratio", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[6]/td")).getText());
        Assert.assertEquals("Cost of buying outright - LQ 2 bed £pw", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[7]/td")).getText());
        Assert.assertEquals("Private rent 2 bed £pw", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[8]/td")).getText());
        Assert.assertEquals("80% private rent 2 bed £pw", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[9]/td")).getText());
        Assert.assertEquals("Social rent 2 bed £pw", driver.findElement(By.xpath("//table[@id='tableId']/tbody/tr[10]/td")).getText());                 
        R_LHAS_Only_Logout(baseUrl,driver);
    }

    @AfterClass(alwaysRun=true)
    public void tearDown() throws Exception {
        driver.quit();
        String verificationErrorString = verificationErrors.toString();
        if (! "".equals(verificationErrorString)) {
            fail(verificationErrorString);
        }
    }   
}

10 个答案:

答案 0 :(得分：23)

WebDriver（从v2.21.0开始）无法做到这一点。您可以尝试使用经过调整的方法替换通常的findElement(By)方法，该方法使用JavaScript突出显示找到的元素：

// Draws a red border around the found element. Does not set it back anyhow.
public WebElement findElement(By by) {
    WebElement elem = driver.findElement(by);
    // draw a border around the found element
    if (driver instanceof JavascriptExecutor) {
        ((JavascriptExecutor)driver).executeScript("arguments[0].style.border='3px solid red'", elem);
    }
    return elem;
}

现在你明白了，有一个改进版本可以在找到并突出显示新元素时恢复最后一个元素的原始border：

// assuming JS is enabled
private JavascriptExecutor js = (JavascriptExecutor)driver;
private WebElement lastElem = null;
private String lastBorder = null;

private static final String SCRIPT_GET_ELEMENT_BORDER;
private static final String SCRIPT_UNHIGHLIGHT_ELEMENT;

void highlightElement(WebElement elem) {
    unhighlightLast();

    // remember the new element
    lastElem = elem;
    lastBorder = (String)(js.executeScript(SCRIPT_GET_ELEMENT_BORDER, elem));
}

void unhighlightLast() {
    if (lastElem != null) {
        try {
            // if there already is a highlighted element, unhighlight it
            js.executeScript(SCRIPT_UNHIGHLIGHT_ELEMENT, lastElem, lastBorder);
        } catch (StaleElementReferenceException ignored) {
            // the page got reloaded, the element isn't there
        } finally {
            // element either restored or wasn't valid, nullify in both cases
            lastElem = null;
        }
    }
}

脚本！我使用FileUtils.readFileToString()从文件加载它们。

SCRIPT_GET_ELEMENT_BORDER（IE friendly version taken from this site），如果通过更改背景颜色（例如仅更改底部边框）使用突出显示，则会更短。但这是最好的一个:)。

/*
 * Returns all border properties of the specified element as String,
 * in order of "width style color" delimited by ';' (semicolon) in the form of:
 * 
 * "2px inset #000000;2px inset #000000;2px inset #000000;2px inset #000000"
 * "medium none #ccc;medium none #ccc;1px solid #e5e5e5;medium none #ccc"
 * etc.
 */
var elem = arguments[0]; 
if (elem.currentStyle) {
    // Branch for IE 6,7,8. No idea how this works on IE9, but the script
    // should take care of it.
    var style = elem.currentStyle;
    var border = style['borderTopWidth']
            + ' ' + style['borderTopStyle']
            + ' ' + style['borderTopColor']
            + ';' + style['borderRightWidth']
            + ' ' + style['borderRightStyle']
            + ' ' + style['borderRightColor']
            + ';' + style['borderBottomWidth']
            + ' ' + style['borderBottomStyle']
            + ' ' + style['borderBottomColor']
            + ';' + style['borderLeftWidth']
            + ' ' + style['borderLeftStyle']
            + ' ' + style['borderLeftColor'];
} else if (window.getComputedStyle) {
    // Branch for FF, Chrome, Opera
    var style = document.defaultView.getComputedStyle(elem);
    var border = style.getPropertyValue('border-top-width')
            + ' ' + style.getPropertyValue('border-top-style')
            + ' ' + style.getPropertyValue('border-top-color')
            + ';' + style.getPropertyValue('border-right-width')
            + ' ' + style.getPropertyValue('border-right-style')
            + ' ' + style.getPropertyValue('border-right-color')
            + ';' + style.getPropertyValue('border-bottom-width')
            + ' ' + style.getPropertyValue('border-bottom-style')
            + ' ' + style.getPropertyValue('border-bottom-color')
            + ';' + style.getPropertyValue('border-left-width')
            + ' ' + style.getPropertyValue('border-left-style')
            + ' ' + style.getPropertyValue('border-left-color');
}
// highlight the element
elem.style.border = '2px solid red';
return border;

SCRIPT_UNHIGHLIGHT_ELEMENT 

var elem = arguments[0];
var borders = arguments[1].split(';');
elem.style.borderTop = borders[0];
elem.style.borderRight = borders[1];
elem.style.borderBottom = borders[2];
elem.style.borderLeft = borders[3];

欢迎提出任何问题，说明，要求和​​改进！

答案 1 :(得分：5)

在webdriver中 为highligh元素创建一个类 HighlightElement

HighlightElement.java 

import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebElement;

import com.project.setup.WebDriverManager;

public class HighlightElement {

    public static void highlightElement(WebElement element) {
        for (int i = 0; i <2; i++) {
            JavascriptExecutor js = (JavascriptExecutor) WebDriverManager.driver;
            js.executeScript("arguments[0].setAttribute('style', arguments[1]);", element, "color: yellow; border: 2px solid yellow;");
            js.executeScript("arguments[0].setAttribute('style', arguments[1]);", element, "");
            }
        }
}

您可以使用

HighlightElement.highlightElement(driver.findElement(By.xpath("blaah blaah"));)

在测试中用xpath“ blaah blaah ”突出显示WebElement。

答案 2 :(得分：2)

JavaScript： 查找Xpath的element并在其周围绘制边框，

使用styleObj。setProperty（CSS propertyName，CSS propertyValue，priority）方法。 element_node.style.setProperty ("background-color", "green", null);

在此网站上测试js代码：https://developer.chrome.com/devtools/docs/console 

var xpath = '//html/body/div/main/article/nav';
if (document.evaluate){
var element_node = document.evaluate(xpath, window.document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null ).singleNodeValue;
element_node.style.setProperty ('border', '3px solid green', 'important');

alert('Working Fine in this browser version');
}else{
alert('document.evaluate is Not supported by Internet Explorer');
}

<强>硒 

public static void drawBorder(WebDriver driver, String xpath){
        WebElement element_node = driver.findElement(By.xpath(xpath));
        JavascriptExecutor jse = (JavascriptExecutor) driver;
        jse.executeScript("arguments[0].style.border='3px solid red'", element_node);
    }

答案 3 :(得分：1)

这里是高亮显示selenium元素的代码： 首先创建一个类：

package com.demo.misc.function;

import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;

public class Miscellaneous 
{
    public static void highLight(WebElement element, WebDriver driver)
    {
        for (int i = 0; i <2; i++) 
        {
            try {
                JavascriptExecutor js = (JavascriptExecutor) driver;
                js.executeScript("arguments[0].setAttribute('style', arguments[1]);", element, "color: black; border: 4px solid red;");
                Thread.sleep(500);
                js.executeScript("arguments[0].setAttribute('style', arguments[1]);", element, "");
                Thread.sleep(500);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }

    }

}

然后你可以通过以下方式来打电话：

driver.get(baseUrl);
            Thread.sleep(2000);
            WebElement lnkREGISTER = driver.findElement(By.linkText("REGISTER"));
            Miscellaneous.highLight(lnkREGISTER, driver);
            lnkREGISTER.click();

答案 4 :(得分：0)

我不知道在WebDriver中有任何方法可以做到这一点，但看起来Selenium WebDriver中存在一个类，它可以让你访问大多数（如果不是全部）RC API。我不知道如何使用WebDriver实际执行此操作。

类WebDriverBackedSelenium看起来像包含了您习惯使用的大部分RC api getEval

要创建WebDriverBackedSelenium类型的对象，只需传入您已使用的驱动程序以及测试网站的基本网址

WebDriverBackedSelenium wdbs = new WebDriverBackedSelenium(driver, "http://www.google.com");

答案 5 :(得分：0)

我使用下面的代码在我的webdriver java代码中使用javascriptexecutor突出显示：

//我在函数＆＃34; flash＆＃34;

下面打电话 
    public static void flash(WebElement element, WebDriver driver) {
        JavascriptExecutor js = ((JavascriptExecutor) driver);
        String bgcolor  = element.getCssValue("backgroundColor");
        for (int i = 0; i <  3; i++) {
            changeColor("rgb(0,200,0)", element, js);
            changeColor(bgcolor, element, js);
        }
    }
    public static void changeColor(String color, WebElement element,  JavascriptExecutor js) {
        js.executeScript("arguments[0].style.backgroundColor = '"+color+"'",  element);

        try {
            Thread.sleep(20);
        }  catch (InterruptedException e) {
        }
     }

希望有所帮助：）

答案 6 :(得分：0)

这对我有用。对先前在此主题上提交的代码进行了改进。

public static WebDriver HighlightElement(WebDriver driver, WebElement element){ 
    if (driver instanceof JavascriptExecutor) {
        ((JavascriptExecutor)driver).executeScript("arguments[0].style.border='3px solid red'", element);
    }
    return driver;
}
public static WebDriver UnhighlightElement(WebDriver driver, WebElement element){   
    if (driver instanceof JavascriptExecutor) {    
        ((JavascriptExecutor)driver).executeScript("arguments[0].style.border=''", element);
    }
    return driver;  
}

将这两个功能调用一次以突出显示，然后调用一次以取消突出显示

答案 7 :(得分：0)

我将ExtentReport用作报告工具，并在失败的测试步骤中将图像添加为base64格式，这使我可以在输出报告中的文本之后立即显示它们。当我截取屏幕截图并希望突出显示元素以便在屏幕截图中更加可见时，我正在使用以下方法突出显示->屏幕截图->取消突出显示。

private void highlightElement(WebElement elemToHighlight) {
    if (_driver instanceof JavascriptExecutor) {
        ((JavascriptExecutor) _driver).executeScript("arguments[0].style.border='3px solid red'", elem);
    }
}


public String addScreenshotToHTML(WebElement... elmsToHighlight) {
    String result;
    List<String> initStyle = new ArrayList<>();
    if (elmsToHighlight.length > 0) {
        for (WebElement elem : elmsToHighlight) {
            initStyle.add(elem.getCssValue("border"));
            highlightElement(elem);
        }
    }
    String screenshot = ((TakesScreenshot) _driver).getScreenshotAs(OutputType.BASE64);
    // NOTE: add the <img> tag content between the <a> tags with the Base64 image
    // <a href='" + filePath + "' target='_blank'></a>
    result = "<img onclick='(function(){var image=new Image();image.src=\"data:image/png;base64," + screenshot
            + "\";var w=window.open(\"\");w.document.write(image.outerHTML);})()' style='width:400px; cursor:pointer;' src='data:image/png;base64,"
            + screenshot + "'>";
    if (elmsToHighlight.length > 0) {
        for (WebElement elem : elmsToHighlight) {
            jsExec().executeScript("arguments[0].style.border='" + initStyle.get(0) + "'", elem);
            initStyle.remove(0);
        }
    }
    return result;
}

希望有帮助

答案 8 :(得分：0)

要突出显示元素，您可以使用以下代码：

JavascriptExecutor js =(JavascriptExecutor)driver;
js.executeScript("arguments[0].style.border='5px dotted yellow'", element);

答案 9 :(得分：-1)

public class JavaExecutor {

public static void highlighElement(WebDriver driver,WebElement element)
{
    JavascriptExecutor js=(JavascriptExecutor)driver; 
    js.executeScript("arguments[0].setAttribute('style', 'background: yellow; border: 2px solid red;');", element);

    try 
    {
    Thread.sleep(1000);
    } 
    catch (InterruptedException e) {

    System.out.println(e.getMessage());
    } 

    js.executeScript("arguments[0].setAttribute('style','border: solid 2px white');", element); 

    }
}
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