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Using Moq to Return a Mock Object from a Factory

/ Published in: C#
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Note that the interface member is mockVar.Object mockVar won't cast to your interface.

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  1. public Sandbox GetMockedSandbox(string helloPrefix, string ackWord, int factor)
  2.         {
  3.             Sandbox retVal = new Sandbox();
  4.  
  5.             var mockFactory = new Mock<IWorkerFactory>();
  6.             var mockWorker = new Mock<IWorker>();
  7.  
  8.             mockFactory.Expect(fac => fac.GetWorker(It.IsAny<int>())).Returns(mockWorker.Object);
  9.  
  10.             mockWorker.Expect(ds => ds.Hello(It.IsAny<string>())).Returns((string s) => helloPrefix + s);
  11.             mockWorker.Expect(ds => ds.Ping()).Returns(ackWord);
  12.             mockWorker.Expect(ds => ds.MultiplyYourNumber(It.IsAny<int>())).Returns((int i) => i * factor); 
  13.  
  14.             retVal.ImplementationFactory = mockFactory.Object;
  15.             return retVal; 
  16.         }

URL: http://code.google.com/p/moq/wiki/QuickStart

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