public void GivenAValidEntityId_WhenRequestingTheEntityById_TheEntityIsReturned()
{
var fakeEntities = Enumerable.Range(0, 100)
.Select(id => new Entity {
Id = id
});
var targetId = 5;
contextMock.SetupGet(r => r.Entities).Returns(fakeEntities.ToDbSet());
var result = entitiesController.GetEntity(targetId) as JsonResult;
Assert.IsInstanceOfType(result, typeof(JsonResult));
var entity = result.Value as Entity;
Assert.IsInstanceOfType(entity, typeof(Entity));
Assert.AreEqual(targetId, entity.Id);
}