selenium-webdriver(python) (十四) -- webdriver原理
阿新 • • 發佈：2018-12-31
--------------------------------------------------------------------------------------- 啟動代理進入監聽狀態 C:\selenium>java -jar selenium-server-standalone-2.33.0.jar 八月 22, 2013 10:19:48 上午 org.openqa.grid.selenium.GridLauncher main INFO: Launching a standalone server 10:19:48.734 INFO - Java: Oracle Corporation 23.21-b01 10:19:48.734 INFO - OS: Windows XP 5.1 x86 10:19:48.734 INFO - v2.33.0, with Core v2.33.0. Built from revision 4e90c97 10:19:48.843 INFO - RemoteWebDriver instances should connect to: http://127.0.0. 1:4444/wd/hub 10:19:48.843 INFO - Version Jetty/5.1.x 10:19:48.843 INFO - Started HttpContext[/selenium-server/driver,/selenium-server/driver] 10:19:48.843 INFO - Started HttpContext[/selenium-server,/selenium-server] 10:19:48.843 INFO - Started HttpContext[/,/] 10:19:48.890 INFO - Started [email protected]176343 e 10:19:48.890 INFO - Started HttpContext[/wd,/wd] 10:19:48.906 INFO - Started SocketListener on 0.0.0.0:4444 10:19:48.906 INFO - Started[email protected] --------------------------------------------------------------------------------------
建立新session 10:20:38.593 INFO - Executing: [new session: {platform=ANY, javascriptEnabled=tr ue, browserName=chrome, version=}] at URL: /session) 10:20:38.593 INFO - Creating a new session for Capabilities [{platform=ANY, java scriptEnabled=true, browserName=chrome, version=}]
webdrivr通過GET方式傳送請求 [0.921][INFO]: received Webriver request: GET /status
向webdrver返回響應，返回碼200表示成功 [0.921][INFO]: sending Webriver response: 200 { "sessionId": "", "status": 0, "value": { "build": { "version": "alpha" }, "os": { "arch": "x86", "name": "Windows NT", "version": "5.1 SP3" } } }
webdriver 再次以POST方式傳送請求，並啟動瀏覽器相關資訊 [0.984][INFO]: received Webriver request: POST /session { "desiredCapabilities": { "browserName": "chrome", "javascriptEnabled": true, "platform": "ANY", "version": "" } } [0.984][INFO]: Launching chrome: "C:\ocuments and Settings\Administrator\Local S ettings\Application ata\Google\Chrome\Application\chrome.exe" --remote-debugging -port=4223 --no-first-run --enable-logging --logging-level=1 --user-data-dir="C: \OCUME~1\AMINI~1\LOCALS~1\Temp\scoped_dir1808_7550" --load-extension="C:\OCUME~1 \AMINI~1\LOCALS~1\Temp\scoped_dir1808_26821\internal" --ignore-certificate-error s data:text/html;charset=utf-8, [1.773][INFO]: sending Webriver response: 303
webdriver再次以GET方法請求，這附加上了session的資訊 [1.778][INFO]: received Webriver request: GET /session/32b33aa585ccbbf7ba7853588 2852af3
伺服器先對sesssionID進行解析，確認是selenium呼叫的以及要訪問的網址， [1.779][INFO]: sending Webriver response: 200 { "sessionId": "32b33aa585ccbbf7ba78535882852af3", "status": 0, "value": { "acceptSslCerts": true, "applicationCacheEnabled": false, "browserConnectionEnabled": false, "browserName": "chrome", "chrome": { "chromedriverVersion": "2.0" }, "cssSelectorsEnabled": true, "databaseEnabled": true, "handlesAlerts": true, "javascriptEnabled": true, "locationContextEnabled": true, "nativeEvents": true, "platform": "Windows NT", "rotatable": false, "takesScreenshot": true, "version": "27.0.1453.116", "webStorageEnabled": true } } 10:20:40.640 INFO - Done: /session 10:20:40.640 INFO - Executing: org.openqa.selenium.remote.server.handler.GetSess [email protected] at URL: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc) 10:20:40.640 INFO - Done: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc 10:20:40.656 INFO - Executing: [get: http://www.youdao.com] at URL: /session/ac5 b2c71-5b1a-469e-814c-fdd09a2061fc/url)
webdriver正試向伺服器請求youdao網站 [1.820][INFO]: received Webriver request: POST /session/32b33aa585ccbbf7ba785358 82852af3/url { "url": "http://www.youdao.com" } [1.822][INFO]: waiting for pending navigations... [1.829][INFO]: done waiting for pending navigations [2.073][INFO]: waiting for pending navigations... [2.900][INFO]: done waiting for pending navigations
獲得伺服器資料的應答 [2.900][INFO]: sending Webriver response: 200 { "sessionId": "32b33aa585ccbbf7ba78535882852af3", "status": 0, "value": null } 10:20:41.734 INFO - Done: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/url -------------------------------------------------------------------------------------- 下面接著傳送定位輸入框的資訊 10:20:41.734 INFO - Executing: [find element: By.name: q] at URL: /session/ac5b2 c71-5b1a-469e-814c-fdd09a2061fc/element) [2.905][INFO]: received Webriver request: POST /session/32b33aa585ccbbf7ba785358 82852af3/element { "using": "name", "value": "q" } [2.905][INFO]: waiting for pending navigations... [2.905][INFO]: done waiting for pending navigations [2.922][INFO]: waiting for pending navigations... [2.922][INFO]: done waiting for pending navigations
得到伺服器應答 [2.922][INFO]: sending Webriver response: 200 { "sessionId": "32b33aa585ccbbf7ba78535882852af3", "status": 0, "value": { "ELEMENT": "0.19427558477036655:1" } } 10:20:41.765 INFO - Done: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/element 10:20:41.765 INFO - Executing: [send keys: 0 org.openqa.selenium.support.events. [email protected], [h, e, l, l, o]] at URL: /s ession/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/element/0/value)
向定位到的輸入框寫入hello [2.936][INFO]: received Webriver request: POST /session/32b33aa585ccbbf7ba785358 82852af3/element/0.19427558477036655:1/value { "id": "0.19427558477036655:1", "value": [ "h", "e", "l", "l", "o" ] } [2.936][INFO]: waiting for pending navigations... [2.936][INFO]: done waiting for pending navigations [3.002][INFO]: waiting for pending navigations... [3.002][INFO]: done waiting for pending navigations [3.002][INFO]: sending Webriver response: 200 { "sessionId": "32b33aa585ccbbf7ba78535882852af3", "status": 0, "value": null } 10:20:41.843 INFO - Done: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/element/ 0/value
再次傳送定位輸入框的請求 10:20:41.843 INFO - Executing: [find element: By.name: q] at URL: /session/ac5b2 c71-5b1a-469e-814c-fdd09a2061fc/element) [3.006][INFO]: received Webriver request: POST /session/32b33aa585ccbbf7ba785358 82852af3/element { "using": "name", "value": "q" } [3.006][INFO]: waiting for pending navigations... [3.006][INFO]: done waiting for pending navigations [3.016][INFO]: waiting for pending navigations... [3.016][INFO]: done waiting for pending navigations [3.016][INFO]: sending Webriver response: 200 { "sessionId": "32b33aa585ccbbf7ba78535882852af3", "status": 0, "value": { "ELEMENT": "0.19427558477036655:1" } } 10:20:41.859 INFO - Done: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/element 10:20:41.859 INFO - Executing: [send keys: 0 org.openqa.selenium.support.events. [email protected], [k, e, y, ., E, N, T, E, R] ] at URL: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/element/0/value) 對定位的到的輸入框傳送回車（ENTER）事件請求 [3.021][INFO]: received Webriver request: POST /session/32b33aa585ccbbf7ba785358 82852af3/element/0.19427558477036655:1/value { "id": "0.19427558477036655:1", "value": [ "k", "e", "y", ".", "E", "N", "T", "E", "R" ] } [3.021][INFO]: waiting for pending navigations... [3.021][INFO]: done waiting for pending navigations [3.064][INFO]: waiting for pending navigations... [3.064][INFO]: done waiting for pending navigations [3.064][INFO]: sending Webriver response: 200 { "sessionId": "32b33aa585ccbbf7ba78535882852af3", "status": 0, "value": null } 10:20:41.906 INFO - Done: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/element/ 0/value 10:20:41.906 INFO - Executing: [close window] at URL: /session/ac5b2c71-5b1a-469 e-814c-fdd09a2061fc/window) [3.068][INFO]: received Webriver request: ELETE /session/32b33aa585ccbbf7ba78535 882852af3/window [WARNING:chrome_desktop_impl.cc(88)] chrome detaches, user should take care of d irectory:C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\scoped_dir1808_7550 and C:\DOCUME~1\ ADMINI~1\LOCALS~1\Temp\scoped_dir1808_26821 [5.318][INFO]: sending Webriver response: 200 { "sessionId": "32b33aa585ccbbf7ba78535882852af3", "status": 0, "value": null } 10:20:44.156 INFO - Done: /session/ac5b2c71-5b1a-469e-814c-fdd09a2061fc/window