public void UpdateRule_WhereExists_ExpectRuleUpdated()
{
_repository.Stub(x => x.Update(Arg <int> .Is.Anything, Arg <Rule> .Is.Anything));
_repository.Stub(x => x.CheckExists(Arg <int> .Is.Anything)).Return(true);
var updatedRule = new Rule {
Index = 12, Word = "boom", RuleType = RuleType.MultipleOf
};
var result = _target.UpdateRule(updatedRule.Index, updatedRule);
Assert.IsNotNull(result);
var response = result as OkNegotiatedContentResult <Rule>;
Assert.IsNotNull(response);
Assert.AreEqual(updatedRule.Index, response.Content.Index);
Assert.AreEqual(updatedRule.Word, response.Content.Word);
Assert.AreEqual(updatedRule.RuleType, response.Content.RuleType);
_repository.AssertWasCalled(x => x.Update(Arg <int> .Is.Anything, Arg <Rule> .Is.Anything));
}