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如何在Windows 10上构建winium驱动程序服务?

desktop ui-automation automation selenium windows

Manmohan_singh · 技术社区 · 7 年前

我使用下面的类代码通过WiniumDriver启动calculator。在创建WiniumDriver实例之前,我正在启动winium驱动程序服务。

import java.io.File;
import java.io.IOException;

import org.openqa.selenium.By;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.winium.DesktopOptions;
import org.openqa.selenium.winium.WiniumDriver;
import org.openqa.selenium.winium.WiniumDriverService;
import org.testng.annotations.AfterClass;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

public class CalculatorTest {

    static WiniumDriver driver = null;
    static WiniumDriverService service = null;
    static DesktopOptions options = null;

    @BeforeClass
    public static void setupEnvironment(){
        options = new DesktopOptions(); //Instantiate Winium Desktop Options
        options.setApplicationPath("C:\\Windows\\System32\\calc.exe");
        File driverPath = new File("C:\\Winium\\Winium.Desktop.Driver.exe");
        System.setProperty("webdriver.winium.desktop.driver","C:\\Winium\\Winium.Desktop.Driver.exe");
        service = new WiniumDriverService.Builder().usingDriverExecutable(driverPath).usingPort(9999).withVerbose(true)
                .withSilent(false).buildDesktopService();
        try {
            service.start();
        } catch (IOException e) {
            System.out.println("Exception while starting WINIUM service");
            e.printStackTrace();
        }
    }

    @BeforeTest
    public void startDriver(){
        driver = new WiniumDriver(service,options);
    }

    @AfterTest
    public void stopDriver(){
        driver.close();
    }

    @AfterClass
    public void tearDown(){
        service.stop();
    }

在将测试类作为TestNG项运行之后,观察到以下异常。

FAILED CONFIGURATION: @BeforeTest startDriver
java.lang.NullPointerException
    at org.openqa.selenium.winium.WiniumDriverCommandExecutor.<init>(WiniumDriverCommandExecutor.java:59)
    at org.openqa.selenium.winium.WiniumDriver.<init>(WiniumDriver.java:75)
    at com.bravura.automation.CalculatorTest.startDriver(CalculatorTest.java:41)

我仔细检查了calc.exe和Winium的路径。桌面驾驶员exe,我仍然无法启动WiniumDriversService。是否有其他方法启动此服务?winium是否支持windows 10?

2 回复 | 直到 7 年前

Murthi 7 年前

问题是, 'startDriver' 之前正在执行 setupEnvironment 方法和变量 service 和 options 未初始化。因此,它会引发空指针异常。

因为执行顺序 testNG 如下所示。

@BeforeSuite
@BeforeTest
@BeforeClass
@BeforeMethod
@Test
@AfterMethod
@AfterClass
@AfterTest
@AfterSuite

有三种解决方案。

更改以下方法的注释,如下所示。因此,启动驱动程序将在setup environment方法之后运行。

 @BeforeMethod
 public void startDriver(){
    driver = new WiniumDriver(service,options);
 }

@AfterMethod
public void stopDriver(){
   driver.close();
}

更改注释,如下所示。

@BeforeTest
public static void setupEnvironment(){
    options = new DesktopOptions(); //Instantiate Winium Desktop Options
    options.setApplicationPath("C:\\Windows\\System32\\calc.exe");
    File driverPath = new File("C:\\Winium\\Winium.Desktop.Driver.exe");
    System.setProperty("webdriver.winium.desktop.driver","C:\\Winium\\Winium.Desktop.Driver.exe");
    service = new WiniumDriverService.Builder().usingDriverExecutable(driverPath).usingPort(9999).withVerbose(true)
            .withSilent(false).buildDesktopService();
    try {
        service.start();
    } catch (IOException e) {
        System.out.println("Exception while starting WINIUM service");
        e.printStackTrace();
    }
}

@BeforeClass
public void startDriver(){
    driver = new WiniumDriver(service,options);
}

@AfterClass
public void stopDriver(){
    driver.close();
}

@AfterTest
public void tearDown(){
    service.stop();
}

更改注释,如下所示。我相信,这将是最佳的解决方案。

@BeforeTest
public static void setupEnvironment(){
    options = new DesktopOptions(); //Instantiate Winium Desktop Options
    options.setApplicationPath("C:\\Windows\\System32\\calc.exe");
    File driverPath = new File("C:\\Winium\\Winium.Desktop.Driver.exe");
    System.setProperty("webdriver.winium.desktop.driver","C:\\Winium\\Winium.Desktop.Driver.exe");
    service = new WiniumDriverService.Builder().usingDriverExecutable(driverPath).usingPort(9999).withVerbose(true)
            .withSilent(false).buildDesktopService();
    try {
        service.start();
    } catch (IOException e) {
        System.out.println("Exception while starting WINIUM service");
        e.printStackTrace();
    }
}

@BeforeMethod
public void startDriver(){
    driver = new WiniumDriver(service,options);
}

@AfterMethod
public void stopDriver(){
    driver.close();
}

@AfterTest
public void tearDown(){
    service.stop();
}

Tarun Goswami 3 年前

以下是正确的使用方法

public class SimpleTest
{
    DesktopOptions options;
    WiniumDriverService service;
    WiniumDriver driver;

    @BeforeTest
    public void bt()
    {
        //Instantiate Winium Desktop Options
        options = new DesktopOptions();
        
        // Path of application you want to run and test
        options.setApplicationPath("C:\\Windows\\System32\\calc.exe");
        
        //Path for Winium Desktop Driver
        File driverPath = new File(System.getProperty("user.dir")+File.separator+"drivers"+File.separator+"Winium.Desktop.Driver.exe");
        
        //Port is 9999, you can change it
        service = new WiniumDriverService.Builder().usingDriverExecutable(driverPath).usingPort(9999).withVerbose(true).withSilent(false).buildDesktopService();
        
        try
        {
             service.start();
        }
        catch (IOException e)
        {
            System.out.println("Exception while starting WINIUM service");
            e.printStackTrace();
        }
        driver = new WiniumDriver(service,options);
    }

    @AfterTest
    public void at()
    {
        service.stop();
    }
}

如果需要其他配置,可以参考 this link . 然而,我不建议您使用Winium for Windows automation,即使对于基本的计算器程序,它也不会正常工作,Winium的上一个版本是在2016年,我认为现在不会定期维护它。取而代之的是使用WinAppDriver,这是一种更好的工具,并且有很好的文档。以参考开始 this link