public void Process()
{
var inputTree = ExpressionHelper.CreateExpression();
var fakeResult1 = ExpressionHelper.CreateExpression();
var fakeResult2 = ExpressionHelper.CreateExpression();
_stepMock1
.Expect(mock => mock.Process(inputTree))
.Return(fakeResult1);
_stepMock2
.Expect(mock => mock.Process(fakeResult1))
.Return(fakeResult2);
_stepMock1.Replay();
_stepMock2.Replay();
var result = _compoundExpressionTreeProcessor.Process(inputTree);
_stepMock1.VerifyAllExpectations();
_stepMock2.VerifyAllExpectations();
Assert.That(result, Is.SameAs(fakeResult2));
}
