How to use App.Config for configuration variables in selenium (C#) test

Sometimes in your framework, you are required to define some variables (custom information) that you have to use throughout your framework. For such variables we use, app.config file.

Step 1: Create a new visual studio project.

Step 2: In the Add New Item list, click to select XML File.

Step 3: In the Name text box, type App.config(Don’t add “.xml” in the filename), and then click Add.

Step 4: Add following code in your app.config file.

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

  <startup>

    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />

  </startup>

  <appSettings>

    <!--Browser Information-->

    <add key="Browser Name" value="Firefox"/>

    <!--Environments URLs-->

    <add key="POS Upload url" value="http://testing.apps.eco.com/StagingPOSUpload/"/>

    <add key="Salesforce url" value="https://test.salesforce.com/"/>

    <!--Environments Credentials-->

    <add key="POS Username" value="azunjurwad"/>

  </appSettings>

</configuration>

Step 5: Add a new item “Unit test” in the project and add following code to access the variables defined in App.config file

using System;

using Microsoft.VisualStudio.TestTools.UnitTesting;

using System.Configuration;

namespace UnitTestProject2

{

    [TestClass]

    public class UnitTest3

    {

        [TestMethod]

        public void TestMethod1()

        {

            Console.WriteLine(ConfigurationManager.AppSettings["Browser Name"]);

            Console.WriteLine(ConfigurationManager.AppSettings["POS Upload url"]);

            Console.WriteLine(ConfigurationManager.AppSettings["Salesforce url"]);

            Console.WriteLine(ConfigurationManager.AppSettings["POS Username"]);

        }

    }

}

Step 6: Click on references -> Add reference - > Select “System.configuration” and click ok.

Step 7: Execute this test method and it is done.