[英]C# Custom Event is not fired
我正在为Selenium Webdriver写一个简单的扩展库。 我有我的“包装”类WebDriverManager
,它定义事件委托如下:
public delegate void OnStartEventHandler();
public delegate void OnTerminateEventHandler();
public delegate void OnCheckpointEventHandler();
public event OnStartEventHandler OnStartTesting;
public event OnTerminateEventHandler OnTerminateTesting;
public event OnCheckpointEventHandler OnCheckpointTesting;
/// <summary>
/// Method that should be fired inside method with [OneTimeSetUp] attribute
/// </summary>
public void OnStart() { if (OnStartTesting != null) OnStartTesting(); }
/// <summary>
/// Method that should be fired inside method with [OneTimeTearDown] attribute
/// </summary>
public void OnTerminate() { if (OnTerminateTesting != null) OnTerminateTesting(); }
/// <summary>
/// Method that should be fired inside method with either [SetUp] or [TearDown] attribute
/// </summary>
public void OnCheckpoint() { if (OnCheckpointTesting != null) OnCheckpointTesting(); }
在我的目标项目中,添加对包含WebDriverManager
类的库的引用,并编写一个简单的方法:
[OneTimeSetUp]
public void SetUp()
{
// wdmChrome and wdmFirefox are instances of WebDriverManager
wdmChrome.OnStartTesting += () => { Console.WriteLine("Starting testing Chrome browser"); };
wdmFirefox.OnStartTesting += () => { Console.WriteLine("Starting testing Firefox browser"); };
wdmChrome.OnTerminateTesting += () => { Console.WriteLine("Terminating test of Chrome browser"); };
wdmFirefox.OnTerminateTesting += () => { Console.WriteLine("Terminating test of Firefox browser"); };
wdmChrome.OnStart();
wdmFirefox.OnStart();
// other stuff that initializes webdriver
}
[OneTimeTearDown]
public void TearDown()
{
wdmChrome.OnTerminate();
wdmFirefox.OnTerminate();
wdmChrome.WebDriver.Close();
wdmFirefox.WebDriver.Close();
}
测试被正确触发并通过,但是在“输出”中没有来自委托的消息。 我还尝试按照Visual Studio的建议将OnStart()
主体更改为OnStartTesting?.Invoke()
,但结果没有任何变化。 这是怎么回事?
如果测试的目的是检查事件是否被触发,则:
Event
。 Chrome
和Firefox
来测试代码,请将它们分开以进行不同的测试,那么您将具有针对Chrome
OnStartTesting
和OnTerminateTesting
测试以及针对Firefox
OnStartTesting
和OnTerminateTesting
。 Console.WriteLine()
为你的测试,而是尝试创建的测试方法,然后由匿名委托集中一个事件handelr特定事件,然后里面的标志Assert
该值。 希望能帮助到你!
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