c# - 如何正确使用 TestContext.Properties

Question

我需要访问 TestContext.Properties之前 TestMethod所以测试可以接收到正确的环境进行测试。

我的内容test.runsettings :

<?xml version="1.0" encoding="utf-8"?>
  <RunSettings>
    <TestRunParameters>
      <Parameter name="colegio" value="7" />
    </TestRunParameters>

如您所见，该文件仅包含一个参数，名为 colegio (school)
这是 TestBase.cs的内容:

using Microsoft.VisualStudio.TestTools.UnitTesting;
using InfraestructureSelenium.Helper;
using System.Collections.Generic;
using InfraestructureSelenium.Configuration.Enumerados;

namespace TestSelenium
{
    [DeploymentItem("chromedriver.exe")]
    [DeploymentItem("IEDriverServer.exe")]
    [DeploymentItem("phantomjs.exe")]
    [DeploymentItem("geckodriver.exe")]
    [TestClass]
    public class TestBase
    {
        protected TestBase()
        { }

        public TestBase(int id = (int)ColegioEnum.ColegioDemoMovilidad2_Supervisor)
        {
            DiccionarioCompartido = new Dictionary<string, string>();
            SeleniumHelper = new HelperSelenium(id, WebDriverSelector.ObtenerWebDriver());
        }

        public TestBase(HelperSelenium seleniumHelper, Dictionary<string, string> diccionarioCompartido = null)
        {
            SeleniumHelper = seleniumHelper;
        }

        public HelperSelenium SeleniumHelper { get; set; }

        public static Dictionary<string, string> DiccionarioCompartido { get; set; }

        public void CloseBrowser()
        {
            SeleniumHelper.Quit();
        }

        #region Configuración Test

        [TestInitialize]
        public void InitializeTest()
        {

        }

        [TestCleanup]
        public void TestCleanupTest()
        {
            SeleniumHelper.Quit();
        }

        #endregion
        }
    }

如您所见， public TestBase(int id = (int)ColegioEnum.ColegioDemoMovilidad2_Supervisor)接收一个参数，对应于 colegio我想测试的环境。如果没有 colegio作为参数传递，默认值为 ColegioEnum.ColegioDemoMovilidad2_Supervisor
但是，当我尝试实例化 TestContext 时在 TestClass ， 像这样:

[TestClass]
    public class GenerarBoletinDeClase : TestBase
    {
        public TestContext TestContext { get; set; }

        private static TestContext _testContext;

        [TestInitialize]
        public static void SetupTests(TestContext testContext)
        {
            _testContext = testContext;
        }

        public GenerarBoletinDeClase() : base((int)TestContext.Properties["colegio"]) { }

出现以下错误: An object reference is required for the non-static field, method, or property
感谢任何帮助，因为我已经给了这个问题很多时间，但我无法继续前进。

Answer 1

你必须解决几件事:

TestInitialize 方法不能是静态的，它不应该有任何参数

您将需要具有 ClassInitialize 属性和 TestContext 作为参数的静态方法

您的测试类中的 TestContext 不能是静态的

之后，您可以在任何单元测试中访问您想要的任何属性。下面是一个例子:

[TestClass]
public class GenerarBoletinDeClase
{
    public TestContext TestContext { get; set; }

    public static int Colegio { get; set; }

    [ClassInitialize]
    public static void ClassInitialize(TestContext testContext)
    {
        Colegio = int.Parse(testContext.Properties["colegio"].ToString()); // colegio is equal 7 in here
    }

    [TestInitialize]
    public void TestInitialize()
    {
        int tempColegio = int.Parse(this.TestContext.Properties["colegio"].ToString()); // colegio is equal 7 in here
    }

    [TestMethod]
    public void TestMethod1()
    {
        int colegio = int.Parse(this.TestContext.Properties["colegio"].ToString()); // colegio is equal 7 in here as well

        Assert.AreEqual(7, Colegio);
        Assert.AreEqual(7, colegio);
        Assert.AreEqual(colegio, Colegio);
    }
}