public void when_forking_an_object_with_a_single_child()
{
//setup
var visitor = new FindAndCopyVersioningChildVisitor();
var parent = _testHelper.MakeVersioning<DeepPropertyBag>().GetVersionControlNode();
var givenChild = _testHelper.MakeVersioning<DeepPropertyBag>(parent);
var swappedChild = _testHelper.MakeVersioning<DeepPropertyBag>();
A.CallTo(() => givenChild.GetVersionControlNode().CurrentDepthCopy()).Returns(swappedChild);
var givenMutation = new TimestampedPropertyVersionDelta(givenChild, TestHelper.DeepNestedVersioner.SetMethod, 1L);
parent.Mutations.Add(givenMutation);
//act
parent.Accept(visitor);
//assert
parent.Children.Should().NotIntersectWith(new[] {givenChild.GetVersionControlNode(), parent});
parent.Children.Should().ContainSingle(actualChild => ReferenceEquals(actualChild, swappedChild.GetVersionControlNode()));
parent.Mutations.Single().Should().NotBeSameAs(givenMutation);
A.CallTo(() => givenChild.GetVersionControlNode().CurrentDepthCopy())
.MustHaveHappened(Repeated.Exactly.Once);
A.CallTo(() => swappedChild.GetVersionControlNode().RecursiveAccept(null))
.WhenArgumentsMatch(args => args.Single() is FindAndCopyVersioningChildVisitor)
.MustHaveHappened(Repeated.Exactly.Once);
}
public TimestampedPropertyVersionDelta(TimestampedPropertyVersionDelta delta)
: base(delta)
{
}
public TimestampedPropertyVersionDelta(TimestampedPropertyVersionDelta delta, object newSetValue)
: base(delta, new[]{newSetValue})
{
}
private static bool calledWithBaseObjectAndChangeSet(ArgumentCollection args, FlatPropertyBag baseObject, TimestampedPropertyVersionDelta versionDelta)
{
var correct = args.Get<IVersionControlNode>(ExistingControllerArgumentName).Mutations.Single().Equals(versionDelta);
correct &= args.Get<FlatPropertyBag>(ExistingObjectArgumentName).Equals(baseObject);
return correct;
}
private IVersionControlledObject MakeChildAndAssociativeMutationTo(DeepPropertyBag parent)
{
if (parent == null || ! parent.IsUnderVersionCommand())
throw new ArgumentException("Must be not null and versioning object.", "parent");
var existingNode = parent.GetVersionControlNode();
var child = _testHelper.MakeVersioning<DeepPropertyBag>(existingNode);
var addChildToParent = new TimestampedPropertyVersionDelta(child, TestHelper.DeepNestedVersioner.SetMethod, _lastVersionNumber++);
parent.GetVersionControlNode().Mutations.Add(addChildToParent);
return child;
}
public TimestampedPropertyVersionDelta(TimestampedPropertyVersionDelta delta)
: base(delta)
{
}
public TimestampedPropertyVersionDelta(TimestampedPropertyVersionDelta delta, object newSetValue)
: base(delta, new[] { newSetValue })
{
}
