public void when_using_a_visitor()
{
//setup
var controller = new PropertyBagVersionController<FlatPropertyBag>(TestHelper.CreateWithNonDefaultProperties<FlatPropertyBag>(),
_testHelper.MakeConfiguredCloneFactoryFor<FlatPropertyBag>(),
_testHelper.EmptyChangeSet(),
_testHelper.MakeConfiguredVisitorFactory(),
_testHelper.MakeConfiguredProxyFactory());
var fakeChildren = new[] {A.Fake<IVersionControlNode>(), A.Fake<IVersionControlNode>()};
var fakeVisitor = A.Fake<IVersionControlTreeVisitor>();
controller.Children.AddRange(fakeChildren);
//act
controller.Accept(fakeVisitor);
//assert
A.CallTo(() => fakeChildren.First().RecursiveAccept(fakeVisitor)).MustHaveHappened();
A.CallTo(() => fakeChildren.Last().RecursiveAccept(fakeVisitor)).MustHaveHappened();
A.CallTo(() => fakeVisitor.OnEntry(controller)).MustHaveHappened();
}
