如何使用 Selenium WebDriver + C# 获取浏览器控制台错误消息

How to get browser console error messages using Selenium WebDriver + C#(如何使用 Selenium WebDriver + C# 获取浏览器控制台错误消息)

问题描述

我想用 Selenium WebDriver + C# 收集控制台中出现的所有控制台错误消息.我只想要控制台错误，例如

I want to collect all the console error messages that appear in the console with Selenium WebDriver + C #. I just want console errors like

控制台错误

推荐答案

按照以下步骤收集浏览器日志，然后输出.

Follow these steps to collect browser logs and then output them.

1 - 创建一个收集错误日志的函数
此函数返回浏览器错误列表.像这样:

1 - Create a function for collecting error logs
This function return a list of browser errors. like this:

    private List<string> GetBrowserError()
    {
        ILogs logs = this.Driver.Manage().Logs;
        var logEntries = logs.GetLog(LogType.Browser); // LogType: Browser, Server, Driver, Client and Profiler
        List<string> errorLogs = logEntries.Where(x => x.Level == LogLevel.Severe).Select(x => x.Message).ToList();
        return errorLogs;
     }

2 - 将日志添加到 TestContext
像这样:

    private void AddBorwserLogs()
    {
        string errors = "
 
*** Errors ***
 
";
        List<string> errorLogs = this.GetBrowserError();

        if (errorLogs.Count != 0)
        {
            foreach (var logEntry in errorLogs)
            {
                errors = errors + $"{logEntry}
";
            }

        // Add errors to TestContext
        TestContext.WriteLine($"{errors}
Number of browser errors is: {errorLogs.Count}");
        }
     }

3 - 函数调用
在测试拆卸前调用 AddBorwserLogs() 函数.像这样:

    [TestCleanup]
    public void TeardownTest()
    {
        this.AddBorwserLogs();
        this.Driver.Close();
        this.Driver.Quit();
     }

别忘了初始化 WebDriver
像这样:

    public IWebDriver Driver;
    public TestContext TestContext { get; set; }

    [TestInitialize]
    public void SetupTest()
    {
        ChromeOptions options = new ChromeOptions();
        options.AddArguments("ignore-certificate-errors");
    
        this.Driver = new ChromeDriver(options);

        this.Driver.Manage().Timeouts().PageLoad = new TimeSpan(0, 0, 70);
        var url = "https://www.selenium.dev/documentation/";
        this.Driver.Url = url;
    }

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