Moq: Setup a property without setter?

You can use .SetupGet on your mock object.

eg.

[Test]
public void DoOneStep ()
{
    var mock = new Mock<PairOfDice>();
    mock.SetupGet(x => x.Value).Returns(1);
    PairOfDice d = mock.Object;
    Assert.AreEqual(1, d.Value);
}

See here for further details.