使用最小起订量模拟系统事件
本文关键字:模拟系统 事件 | 更新日期: 2023-09-27 18:26:43
有没有一种方法可以模拟C#中的系统事件,如SystemEvents.PowerModeChanged
,并在MOQ设置中人工引发它们?
稍晚,但这里有一个在SystemEvent Matt前面有接口的实现示例:
接口:
public interface ISystemEvents
{
event PowerModeChangedEventHandler PowerModeChanged;
}
适配器类别:
public class SystemEventsAdapter : ISystemEvents
{
public event PowerModeChangedEventHandler PowerModeChanged;
}
您在活动上的注册:
public class TestClass {
private readonly ITestService _testService;
public TestClass(ISystemEvents systemEvents, ITestService testService) {
_testService = testService;
systemEvents.PowerModeChanged += OnPowerModeChanged;
}
private void OnPowerModeChanged(object sender, PowerModeChangedEventArgs e)
{
if (e.Mode == PowerModes.Resume)
{
_testService.DoStuff();
}
}
}
测试:
[TestFixture]
public class TestClassTests
{
private TestClass _cut;
private Mock<ISystemEvents> _systemEventsMock;
private Mock<ITestService> _testServiceMock;
[SetUp]
public void SetUp()
{
_systemEventsMock = new Mock<ISystemEvents>();
_testServiceMock = new Mock<ITestService>();
_cut = new TestClass(
_systemEventsMock.Object,
_testServiceMock.Object
);
}
[TestFixture]
public class OnPowerModeChanged : TestClassTests
{
[Test]
public void When_PowerMode_Resume_Should_Call_TestService_DoStuff()
{
_systemEventsMock.Raise(m => m.PowerModeChanged += null, new PowerModeChangedEventArgs(PowerModes.Resume));
_testServiceMock.Verify(m => m.DoStuff(), Times.Once);
}
}
}
否,不直接。
我认为有两种方法可以实现这一点:
-
通过在系统前面实现接口Event
-
通过使用迂回框架,如Moles framework或Microsoft Fakes