尝试并行 运行 测试时如何正确传递 webdriver?

How can I properly pass webdriver around when trying to run tests in parallel?

我的工作要求我们编写一个自动化框架,其中包含带有 c#/nunit 的 selenium webdriver。我们目前正在使用 nunit 3.0。我最初的想法是提取足够多的框架内容,以便使用该框架的团队不必担心设置/拆除 webdriver 等问题。

我们决定采用测试助手 class 的方法,它具有设置/拆卸功能,可以根据配置设置(chrome,即等)实例化驱动程序,然后每次测试后将其撕下。我们还添加了一个受保护的 class 驱动程序变量,只要调用安装程序就会设置该变量。这样,每个测试 class 都可以扩展 TestHelper 并且他们可以免费获得驱动程序。

当我们没有运行并行测试时,这非常有效,但一旦我们开始进行并行测试,驱动程序每次都会被覆盖(这是有道理的)。

我的问题是,是否有更好的方法可以让我们这样做,从而保持最初的想法,即在 TestHelper 中提供驱动程序,并将大量驱动程序操作排除在测试本身之外。我真的不想在每个测试中都有驱动程序声明/初始化,只保留测试套件来测试特定代码。

这里有一些测试 class 类似于正在发生的事情(我实际上 post 生产代码因为工作很有趣):

这是我的测试助手class:

using NUnit.Framework;
using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;

namespace AutomationTest
{
    class TestHelper
    {

        protected IWebDriver driver;

        [SetUp]
        public void startBrowser()
        {
            driver = new ChromeDriver("C:\Users\james\Desktop");
        }

        [TearDown]
        public void closeBrowser()
        {
            driver.Close();
            driver.Quit();
        }
    }
}

这是我的测试 class(8 个测试只是为了测试并行测试):

using NUnit.Framework;

namespace AutomationTest 
{
    [TestFixture]
    [Parallelizable(ParallelScope.All)]
    class ParallelTest : TestHelper
    {
        [Test]
        public void test1()
        {            
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        }

        [Test]
        public void test2()
        {            
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        }

        [Test]
        public void test3()
        {            
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        }

        [Test]
        public void test4()
        {            
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        }

        [Test]
        public void test5()
        {            
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        }

        [Test]
        public void test6()
        {           
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        } 

        [Test]
        public void test7()
        {            
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        }

        [Test]
        public void test8()
        {            
            driver.Navigate().GoToUrl("http://www.google.com");
            Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");   
        }
    }
}
using NUnit.Framework;

namespace AutomationTest 
{
class TestHelper
{

    //protected IWebDriver driver;
    protected void Browse(Action<IWebDriver> action)
    {
      var driver = new ChromeDriver("C:\Users\james\Desktop");
      action(driver);
      driver.Close();
      driver.Quit();
    }
    [SetUp]
    public void startBrowser()
    {
        // driver = new ChromeDriver("C:\Users\james\Desktop");
    }

    [TearDown]
    public void closeBrowser()
    {
        // driver.Close();
        // driver.Quit();
    }
}

[TestFixture]
[Parallelizable(ParallelScope.All)]
class ParallelTest : TestHelper
{
    [Test]
    public void test1()
    {   
        Browse( (driver) => {         
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        });
    }

    [Test]
    public void test2()
    {   
        Browse( (driver) => {                  
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        });
    }

    [Test]
    public void test3()
    {     
        Browse( (driver) => {                
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        });
    }

    [Test]
    public void test4()
    {     
        Browse( (driver) => {                
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        });
    }

    [Test]
    public void test5()
    {       
        Browse( (driver) => {              
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        });
    }

    [Test]
    public void test6()
    {     
        Browse( (driver) => {               
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        });
    } 

    [Test]
    public void test7()
    {     
        Browse( (driver) => {                
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");
        });
    }

    [Test]
    public void test8()
    {     
        Browse( (driver) => {                
          driver.Navigate().GoToUrl("http://www.google.com");
          Assert.AreEqual(driver.Title, "Google", "Stuff didn't work");   
        });
    }
}
}

这将为每个测试实例化一个新的驱动程序,这很好,因为您需要单独的浏览器驱动程序和浏览器实例,以便您的测试 运行 并行进行并且不产生干扰。