Wil*_*ert 6 .net c# generics moq
提供的代码假定被模拟的函数返回一个值:
bool SomeFunc(out ISomeObject o);
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但是,我想要模拟的对象有一个out函数如下:
void SomeFunc(out ISomeObject o);
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来自上述答案的相关代码片段:
public delegate void OutAction<TOut>(out TOut outVal);
public static IReturnsThrows<TMock, TReturn> OutCallback<TMock, TReturn, TOut>(
this ICallback<TMock, TReturn> mock, OutAction<TOut> action)
where TMock : class
{
// ...
}
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Void不是TReturn的有效类型.因此,我相信我必须以某种方式调整此代码,以使其与返回void的方法一起使用.但是怎么样?
Jep*_*sen 13
也许你只需要这个:
ISomeObject so = new SomeObject(...);
yourMock.Setup(x => x.SomeFunc(out so));
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然后,当您yourMock.Object
在测试的代码中使用时,so
实例将"神奇地"作为out
参数出现.
它有点不直观("out in in"),但它有效.
补充:不确定我理解这个场景.以下完整程序工作正常:
static class Program
{
static void Main()
{
// test the instance method from 'TestObject', passing in a mock as 'mftbt' argument
var testObj = new TestObject();
var myMock = new Mock<IMyFaceToBeTested>();
IMyArgFace magicalOut = new MyClass();
myMock.Setup(x => x.MyMethod(out magicalOut)).Returns(true);
testObj.TestMe(myMock.Object);
}
}
class TestObject
{
internal void TestMe(IMyFaceToBeTested mftbt)
{
Console.WriteLine("Now code to be tested is running. Calling the method");
IMyArgFace maf; // not assigned here, out parameter
bool result = mftbt.MyMethod(out maf);
Console.WriteLine("Method call completed");
Console.WriteLine("Return value was: " + result);
if (maf == null)
{
Console.WriteLine("out parameter was set to null");
}
else
{
Console.WriteLine("out parameter non-null; has runtime type: " + maf.GetType());
}
}
}
public interface IMyFaceToBeTested
{
bool MyMethod(out IMyArgFace maf);
}
public interface IMyArgFace
{
}
class MyClass : IMyArgFace
{
}
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请通过使用我的示例中的类和接口的名称来说明您的情况有何不同.
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