Selenium与chrome一起显示chrome驱动程序的控制台窗口，获取页面完成事件

Question

    Dim chromeOptions As New OpenQA.Selenium.Chrome.ChromeOptions()
    chromeOptions.AddExcludedArgument("ignore-certifcate-errors")
    chromeOptions.AddArgument("test-type")
    Dim driver As IWebDriver = New ChromeDriver(chromeOptions)
    driver.Navigate().GoToUrl("https://example.com")


    Dim myLink1 As IWebElement = driver.FindElement(By.Name("userName"))
    myLink1.SendKeys("username")
    Dim myLink2 As IWebElement = driver.FindElement(By.Name("password"))
    myLink2.SendKeys("mypassword")

我所做的是

Imports OpenQA.Selenium
Imports OpenQA.Selenium.Chrome
Imports OpenQA.Selenium.Support.Events

Dim service As ChromeDriverService = ChromeDriverService.CreateDefaultService
Dim driver1 As ChromeDriver = Nothing
Dim driver As EventFiringWebDriver
Public Class Form1
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim chromeOptions As New OpenQA.Selenium.Chrome.ChromeOptions()
        chromeOptions.AddExcludedArgument("ignore-certifcate-errors")
        chromeOptions.AddArgument("test-type")
        service.HideCommandPromptWindow = True
        driver1 = New ChromeDriver(service, chromeOptions)
        driver = New EventFiringWebDriver(driver1)
        AddHandler driver.Navigated, AddressOf OnNavigated
        driver.Navigate().GoToUrl("https://example.com")
        Dim myLink1 As IWebElement = driver.FindElement(By.Name("userName"))
        myLink1.SendKeys("username")
        Dim myLink2 As IWebElement = driver.FindElement(By.Name("password"))
        myLink2.SendKeys("mypassword")
    End Sub
    Protected Sub OnNavigated(ByVal sender As Object, ByVal e As Support.Events.WebDriverNavigationEventArgs)
        MessageBox.Show("Page navaigated  " & e.Url)
    End Sub
    
End Class

页面导航后，OnNavigated函数触发，正如我所预期的。但在页面导航和填写用户名和密码之后，如果用户手动单击登录按钮，则在登录后将出现新的页面。在这个新的页面被导航的过程中，它不会触发OnNavigated。但是我想获得每个页面被导航的通知，甚至从用户输入。那么如何才能做到这一点呢？

Answer 1

显示命令提示符窗口的默认行为是一个特性，而不是bug。许多人坚持使用.close()方法退出浏览器窗口，而不是使用.quit()。但是，这会关闭浏览器，但不会清除所有资源，就像退出Chromedriver.exe实例一样。因此，.NET绑定维护者做出了一个有意识的决定，以明确可执行文件何时运行，何时不运行。您可以使用类似于以下内容的代码更改此行为：

Dim service As OpenQA.Selenium.Chrome.ChromeDriverService = OpenQA.Selenium.Chrome.ChromeDriverService.CreateDefaultService()
service.HideCommandPromptWindow = True

Dim chromeOptions As New OpenQA.Selenium.Chrome.ChromeOptions()
chromeOptions.AddExcludedArgument("ignore-certifcate-errors")
chromeOptions.AddArgument("test-type")
Dim driver As IWebDriver = New ChromeDriver(service, chromeOptions)

在一篇关于StackOverflow的文章中问多个不相关的问题通常被认为是糟糕的形式，但是对于第二个问题，您是在问“我如何知道何时使用WebDriver完全加载了一个页面？”如果是这样，那么答案是，“你不需要。”或者，更准确地说，当您谈论当今大量JavaScript、支持Ajax、动态生成DOM的世界时，这个问题是没有意义的。

如果您需要确保某个元素在与它交互之前出现在页面上，您可以等待该条件。支持库（在.NET中的webdriver.support.dll程序集中）包含一个webdriverwait类，该类正是为启用该功能而设计的。

' Assumes you have a sub with a declaration like this:
' Private Sub Navigated(sender As Object, e As WebDriverNavigationEventArgs)
Dim driver As IWebDriver = New ChromeDriver(service, chromeOptions)
Dim eventDriver As New EventFiringWebDriver(driver)
AddHandler eventDriver.Navigated, AddressOf Navigated