几天来，我一直在指南和YouTube视频之间跳来跳去，试图在现有项目上实现Selenium Grid 2，但我陷入困境，请帮忙！
我们的框架是Specflow 3.0.220，Selenium WebDriver 3.141.0，C＃，NUnit 3.12.0，Selenium Grid selenium-server-standalone-3.141.59。
实现Selenium Grid 2的最初目标如下：
关于第2项，我设置了两个节点，一个是Chrome节点，一个是Firefox节点。我可以对它们两个进行测试，但不能同时进行。
我觉得我在这里错过了一个难题。
这里是设置：
Scenario Outline: Log in
Given I launch the site for <profile> and <environment> and <parallelEnvironment>
When I log in to the Normal account
Then I see that I am logged in
Examples:
| profile | environment | parallelEnvironment |
| parallel | Chrome75 | grid |
如果配置文件是并行的，而parallelEnvironment是网格，则将忽略环境。 parallelEnvironment的原因是，在设置Selenium Grid的过程中，我们可能仍会临时使用Browserstack。
这些步骤使用相关的步骤文件等和页面文件（但不使用已弃用的Page Object Model）。
驱动程序设置如下：
namespace OurAutomation
{
[Binding]
public sealed class BrowserStack
{
private BrowserStackDriver bsDriver;
public static BrowserStackDriver bdriver;
[BeforeScenario]
public void BeforeScenario()
{
bsDriver = new BrowserStackDriver();
bdriver = bsDriver;
}
[AfterScenario]
public void AfterScenario()
{
bsDriver.Cleanup();
}
}
public class CustomRemoteWebDriver : RemoteWebDriver
{
public CustomRemoteWebDriver(Uri remoteAddress, ChromeOptions options) : base(remoteAddress, options)
{
}
public string getSessionID()
{
return base.SessionId.ToString();
}
}
public class BrowserStackDriver
{
private IWebDriver driver;
public static bool isBrowserStack = false;
public static string Platform;
public static string theEnvironment;
public static string sessionId;
public BrowserStackDriver()
{
}
public string GetString(string property)
{
if (TestContext.Parameters[property] == null)
{
throw new ArgumentException("Property does not exist, does not have a value, or a test setting is not selected. You may need to add the .runsettings file in Visual Studio (Test > Test Settings > Select Test Settings File).");
}
else
{
return TestContext.Parameters[property].ToString();
}
}
public IWebDriver Init(string profile, string environment, string parallelEnvironment)
{
String testString = GetString("BuildNumber");
theEnvironment = environment;
NameValueCollection caps = ConfigurationManager.GetSection("capabilities/" + profile) as NameValueCollection;
NameValueCollection settings = ConfigurationManager.GetSection("environments/" + environment) as NameValueCollection;
ChromeOptions chromeOptions = new ChromeOptions();
if (profile == "single")
{
// logic to invoke relevant browser locally based on Specflow parameter 'profile'
Thread.Sleep(3000);
}
else if (profile == "parallel")
{
if (parallelEnvironment == "browserstack")
{
foreach (string key in caps.AllKeys)
{
chromeOptions.AddAdditionalCapability(key, caps[key]);
}
foreach (string key in settings.AllKeys)
{
chromeOptions.AddAdditionalCapability(key, settings[key]);
}
string username = Environment.GetEnvironmentVariable("BROWSERSTACK_USERNAME");
if (username == null)
{
username = ConfigurationManager.AppSettings.Get("user");
}
string accesskey = Environment.GetEnvironmentVariable("BROWSERSTACK_ACCESS_KEY");
if (accesskey == null)
{
accesskey = ConfigurationManager.AppSettings.Get("key");
}
chromeOptions.AddAdditionalCapability("browserstack.user", username);
chromeOptions.AddAdditionalCapability("browserstack.key", accesskey);
chromeOptions.AddAdditionalCapability("browserstack.local", "true");
chromeOptions.AddAdditionalCapability("build", GetString("BuildNumber"));
chromeOptions.AddAdditionalCapability("name", TestContext.CurrentContext.Test.MethodName);
chromeOptions.AddAdditionalCapability("project", GetString("Project"));
BrowserStackDriver.isBrowserStack = true;
driver = new CustomRemoteWebDriver(
new Uri("http://" + ConfigurationManager.AppSettings.Get("server") + "/wd/hub/"), chromeOptions);
CustomRemoteWebDriver browserRemoteDriver = driver as CustomRemoteWebDriver;
sessionId = browserRemoteDriver.getSessionID();
}
else if (parallelEnvironment == "grid")
{
driver = new RemoteWebDriver(new Uri("http://000.00.00.00:4444/wd/hub"), chromeOptions);
}
}
return driver;
}
public void Cleanup()
{
Thread.Sleep(2000);
if (isBrowserStack)
{
Log.Status status = (TestContext.CurrentContext.Result.Message == null) ? Log.Status.Passed : Log.Status.Failed;
string reason = (TestContext.CurrentContext.Result.Message == null) ? "Passed" : "Error see exception";
Log.UpdateTestStatus(status, reason, sessionId);
}
driver.Quit();
driver = null;
}
}
}
所以在这里...
else if (parallelEnvironment == "grid")
{
driver = new RemoteWebDriver(new Uri("http://000.00.00.00:4444/wd/hub"), chromeOptions);
}
...我输入节点之一的地址，然后进行测试。但是，我只想将测试发送到中心，然后让它同时在其相关浏览器中的所有活动节点上执行该测试。我该如何实现？指南和视频似乎只是把我带走了。
谢谢
更新：
因此，我朝着正确的方向努力。必须将其还原为基础知识，因此我可以看到如何在现有项目中实现这一点。我已经在网格中完成了这项工作：https://github.com/teixeira-fernando/Parallel-Execution-with-Selenium-Grid
但是我注意到我需要为测试添加属性（以在多个浏览器上同时运行一个测试）...
namespace Tutorial_parallel_execution
{
[TestFixture(BrowserType.Chrome)]
[TestFixture(BrowserType.Firefox)]
[TestFixture(BrowserType.Opera)]
[TestFixture(BrowserType.IE)]
[Parallelizable(ParallelScope.Fixtures)]
public class GoogleTesting : Hooks
{
public GoogleTesting(BrowserType browser) : base(browser)
{
}
[Test]
public void GoogleTest()
{
Driver.Navigate().GoToUrl("http://www.google.com");
Driver.FindElement(By.Name("q")).SendKeys("selenium");
Driver.FindElement(By.Name("btnK")).Click();
Assert.That(Driver.PageSource.Contains("Selenium"), Is.EqualTo(true),
"The text selenium doenst exist");
}
}
}
但是，由于我的项目开始与此SpecFlow Visual Studio extension attempted to use SpecFlow code-behind generator 1.9类似，所以我开始使用SpecFlow.Tools.MsBuild.Generation并失去了对测试（代码隐藏文件）的访问权限以添加属性。我可以添加的唯一属性是[Parallelizable（ParallelScope.Fixtures）]，但我必须将其放在AssemblyInfo.cs中-其他属性不能在此处添加。
为了使这项工作有效，我是否需要降级Specflow / Selenium等版本？
答案 0 :(得分：0)
我能够从https://github.com/minhhoangvn/AutomationFramework剥离使用ThreadLocal实现并行执行所需的代码
答案 1 :(得分：0)
将此添加到您的AssemblyInfo.cs文件中：
[assembly: Parallelizable(ParallelScope.Fixtures)]
[assembly: LevelOfParallelism(4)]
您会在此处看到4是要同时运行的测试数。因此，如果您有2个节点，但要同时运行4个测试，则每个节点将获得2个chrome浏览器。
当您使用MsBuild.Generation时，feature.cs文件仍然存在，它们只是不会出现在Visual Studio中。
创建驱动程序时，您可以尝试将其添加到Hooks.cs文件中：
ScenarioContext _scenarioContext;
IWebDriver _currentWebDriver;
_currentWebDriver = new RemoteWebDriver(new Uri(Utilities.SeleniumHub), options.ToCapabilities(), TimeSpan.FromMinutes(3));
_scenarioContext.ScenarioContainer.RegisterInstanceAs<IWebDriver>(_currentWebDriver);
然后在完成场景后执行此操作：
[AfterScenario]
public void CloseBrowserAfterScenario()
{
string driver_process_name = null;
string browser_process_name = null;
switch (browser)
{
case "Chrome":
driver_process_name = "chromedriver.exe";
break;
case "IEX64":
case "IEX86":
driver_process_name = "IEDriverServer.exe";
break;
case "Edge":
driver_process_name = "MicrosoftWebDriver.exe";
browser_process_name = "MicrosoftEdge.exe";
break;
case "Firefox":
driver_process_name = "geckodriver.exe";
break;
default:
LogMessage(browser + "is not found or not supported... Please update the TestUI.dll.Config File");
break;
}
System.Diagnostics.Process[] process = System.Diagnostics.Process.GetProcessesByName(driver_process_name);
foreach (System.Diagnostics.Process app_process in process)
{
if (!string.IsNullOrEmpty(app_process.ProcessName))
{
try
{
app_process.Kill();
}
catch
{
FunctionalUtil.LogMessage("app_process.Kill(); failed in CloseBrowserAfterScenario");
}
}
}