Ah, ok I have solved my own problem within moments of posting :)
The last test should read:
[Test]
public void Test_MethodB_ShouldUseMethodA()
{
//---------------Set up test pack-------------------
const string otherReturnValue = "Hello Universe";
MockRepository mockRepository = new MockRepository();
MyClass myClass = mockRepository.PartialMock<MyClass>();
myClass.Stub(t => t.MethodA()).Return(otherReturnValue);
myClass.Replay();
//---------------Assert Precondition----------------
Assert.AreEqual(otherReturnValue, myClass.MethodA());
//---------------Execute Test ----------------------
string returnedString = myClass.MethodB();
//---------------Test Result -----------------------
string expected = string.Format("'{0}'", otherReturnValue);
Assert.AreEqual(expected, returnedString);
}
I was missing the "myclass.Replay();" call.
I think that the basis for my mistake is that I usually use the AAA
syntax and stubs, and for Partial mocks I could not use this in the
normal way.
Is there any reason why there is no 'Partial Stub'?
All I would probably have needed was a static method on MockRepository
called something like "GeneratePartial<T>":
public static T GeneratePartial<T>(params object[]
argumentsForConstructor)
where T : class
{
MockRepository repository = new MockRepository();
T obj = repository.PartialMock<T>(argumentsForConstructor);
repository.Replay(obj);
return obj;
}
On Sep 1, 12:53 pm, Mark Whitfeld <[email protected]> wrote:
> Firstly, thanks for an amazing Mocking framework. I especially love
> the type safety given using lambdas and the AAA syntax.
>
> My only problem has been with trying to do a partial mock.
> Many times I am testing for a specific method call on an interface,
> and I pretty much just want the rest of the methods on the interface
> to return something useful. So my first thought was to try to create a
> partial mock for a class that implements the interface and then just
> 'override' the specific method of the interface using Rhino Mocks.
> Not matter what I tried I couldn't get this to work. Any Suggestions?
>
> I also need to test the scenario where I need to check that one method
> on a class is using/calling another method on the class. I tried to
> use Partial mocks for this, but couldn't get that to work either. Is
> there something that I'm doing wrong?
>
> Here is a simple code sample. Please could you show me how to get the
> last test working. Thanks.
> Here it goes:
>
> public class MyClass
> {
> public virtual string MethodA()
> {
> return "Hello World";
> }
>
> public virtual string MethodB()
> {
> return string.Format("'{0}'", MethodA());
> }
> }
>
> [TestFixture]
> public class TestExample
> {
>
> [Test]
> public void Test_MethodA_ShouldReturnHelloWorld()
> {
> //---------------Set up test pack-------------------
> MyClass myClass = new MyClass();
> //---------------Assert Precondition----------------
> //---------------Execute Test ----------------------
> string returnedString = myClass.MethodA();
> //---------------Test Result -----------------------
> const string expected = "Hello World";
> Assert.AreEqual(expected, returnedString);
> }
>
> [Test]
> public void Test_MethodB_ShouldReturnQuotedHelloWorld()
> {
> //---------------Set up test pack-------------------
> MyClass myClass = new MyClass();
> //---------------Assert Precondition----------------
> //---------------Execute Test ----------------------
> string returnedString = myClass.MethodB();
> //---------------Test Result -----------------------
> const string expected = "'Hello World'";
> Assert.AreEqual(expected, returnedString);
> }
>
> [Test]
> public void Test_MethodB_ShouldUseMethodA()
> {
> //---------------Set up test pack-------------------
> const string otherReturnValue = "Hello Universe";
> MyClass myClass = new MockRepository().PartialMock<MyClass>
> ();
> myClass.Stub(t => t.MethodA()).Return
> (otherReturnValue).Repeat.Any();
> myClass.Stub(t => t.MethodB()).CallOriginalMethod
> (OriginalCallOptions.NoExpectation);
> //---------------Assert Precondition----------------
> Assert.AreEqual(otherReturnValue, myClass.MethodA());
> //---------------Execute Test ----------------------
> string returnedString = myClass.MethodB();
> //---------------Test Result -----------------------
> string expected = string.Format("'{0}'",
> otherReturnValue);
> Assert.AreEqual(expected, returnedString);
> }
> }
>
> Any Ideas?
>
> Thanks
> -Mark Whitfeld
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