Selenium RemoteWebDriver针对Windows服务的ChromeDriver

本文关键字：ChromeDriver 服务 Windows RemoteWebDriver 针对 Selenium | 更新日期: 2023-09-27 18:01:54

背景:

  • Windows 10 Home;
  • Visual Studio 2015社区;
  • C #;
  • NSSM;
  • ChromeDriver 2.23.409699 (49b0fa931cda1caad0ae15b7d1b68004acd05129)
    • Nuget package Selenium.WebDriver.2.53.1;
  • Selenium.WebDriver.ChromeDriver.2.23.0.1

我已经使用NSSM创建了一个Windows服务包装chromedriver.exe，设置如下:

Path: c:'bin'chromedriver.exe
Startup Directory: c:'bin
Arguments: --port=12942 --log-path=c:'temp'chromedriver.log --verbose 
Service Name: ChromeDriverService

在VS2015Community中我创建了一个c#应用程序，如下所示:

var uri = new Uri("http://localhost:12942");
DesiredCapabilities dc = DesiredCapabilities.Chrome();
ChromeOptions options = new ChromeOptions();            
options.BinaryLocation = "C:''Program Files (x86)''Google''Chrome''Application''chrome.exe";
options.LeaveBrowserRunning = true;
dc.IsJavaScriptEnabled = true;            
IWebDriver driver = new RemoteWebDriver(uri, dc);

当我遍历程序时，我在new RemoteWebDriver行上得到一个The HTTP request to the remote WebDriver server for URL http://localhost:12942/session timed out after 60 seconds.。

在c:'temp'chromedriver.log中，我得到以下内容:

[44.717][INFO]: COMMAND InitSession {
   "desiredCapabilities": {
      "browserName": "chrome",
      "javascriptEnabled": true,
      "platform": "ANY",
      "version": ""
   }
}
[66.168][INFO]: Populating Preferences file: {
   "alternate_error_pages": {
      "enabled": false
   },
   "autofill": {
      "enabled": false
   },
   "browser": {
      "check_default_browser": false
   },
   "distribution": {
      "import_bookmarks": false,
      "import_history": false,
      "import_search_engine": false,
      "make_chrome_default_for_user": false,
      "show_welcome_page": false,
      "skip_first_run_ui": true
   },
   "dns_prefetching": {
      "enabled": false
   },
   "profile": {
      "content_settings": {
         "pattern_pairs": {
            "https://*,*": {
               "media-stream": {
                  "audio": "Default",
                  "video": "Default"
               }
            }
         }
      },
      "default_content_setting_values": {
         "geolocation": 1
      },
      "default_content_settings": {
         "geolocation": 1,
         "mouselock": 1,
         "notifications": 1,
         "popups": 1,
         "ppapi-broker": 1
      },
      "password_manager_enabled": false
   },
   "safebrowsing": {
      "enabled": false
   },
   "search": {
      "suggest_enabled": false
   },
   "translate": {
      "enabled": false
   }
}
[66.171][INFO]: Populating Local State file: {
   "background_mode": {
      "enabled": false
   },
   "ssl": {
      "rev_checking": {
         "enabled": false
      }
   }
}
[68.099][INFO]: Can not set to US keyboard layout - Some keycodes may beinterpreted incorrectly
[68.099][INFO]: Launching chrome: "C:'Program Files (x86)'Google'Chrome'Application'chrome.exe" --disable-background-networking --disable-client-side-phishing-detection --disable-component-update --disable-default-apps --disable-hang-monitor --disable-popup-blocking --disable-prompt-on-repost --disable-sync --disable-web-resources --enable-logging --ignore-certificate-errors --load-component-extension="C:'WINDOWS'TEMP'scoped_dir5436_17406'internal" --log-level=0 --metrics-recording-only --no-first-run --password-store=basic --remote-debugging-port=12772 --safebrowsing-disable-auto-update --test-type=webdriver --use-mock-keychain --user-data-dir="C:'WINDOWS'TEMP'scoped_dir5436_20664" data:,
[68.127][DEBUG]: DevTools request: http://localhost:12772/json/version
[70.154][DEBUG]: DevTools response: {
   "Browser": "Chrome/52.0.2743.116",
   "Protocol-Version": "1.1",
   "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
   "WebKit-Version": "537.36 (@9115ecad1cae66fd5fe52bd9120af643384fd6f3)"
}

[70.155][DEBUG]: DevTools request: http://localhost:12772/json
[70.168][DEBUG]: DevTools response: [  ]
... a minute's worth of the above two lines removed ...
[128.264][INFO]: RESPONSE InitSession unknown error: unable to discover open pages
[128.264][DEBUG]: Log type 'driver' lost 0 entries on destruction
[128.264][DEBUG]: Log type 'browser' lost 0 entries on destruction

我有一个遥远的记忆，今年早些时候成功地与一个nssm包装的chromedriver.exe进行了对话。我现在找不到代码了。我遗漏了什么?

Selenium RemoteWebDriver针对Windows服务的ChromeDriver

您使用RemoteWebDriver作为您的客户端。你给的地址应该是Selenium Grid hub的URL，而不是chromedriver的URL。

您应该配置Selenium Grid以了解chromedriver，或者从RemoteWebDriver切换到ChromeDriver作为您的客户端。

ChromeDriver连接到任何机器上由chromedriver.exe提供的服务，这可能是RemoteWebDriver混淆的地方。RemoteWebDriver的意思是"任何浏览器，任何地方，由Selenium Grid hub根据您提供的标准选择"。ChromeDriver的意思是"任何Chrome浏览器，在一个特定的位置由您选择"。

如果您切换到ChromeDriver，这段代码工作得很好:

var service = ChromeDriverService.CreateDefaultService();
// service.EnableVerboseLogging = true;
service.Port = 12942;
var options = new ChromeOptions
{
    Proxy = new Proxy {Kind = ProxyKind.Direct}
};
return new ChromeDriver(service, options);

你可以为服务提供更多的选项。

旁白:请注意，您配置的服务自定义ChromeDriver如何与chromedriver.exe对话;您可以配置ChromeOptions来自定义Chrome如何与互联网(或您的webapp)对话。

相关文章：