public void when_forking_an_object_with_grandchildren()
{
//setup
var visitor = new FindAndCopyVersioningChildVisitor();
var parent = _testHelper.MakeVersioning<DeepPropertyBag>();
var child = MakeChildAndAssociativeMutationTo(parent.GetNativeObject<DeepPropertyBag>());
var orphanedGrandchild = MakeChildAndAssociativeMutationTo(child.GetNativeObject<DeepPropertyBag>());
var grandChild = MakeChildAndAssociativeMutationTo(child.GetNativeObject<DeepPropertyBag>());
child.GetVersionControlNode().Children.Remove(orphanedGrandchild.GetVersionControlNode());
orphanedGrandchild.GetVersionControlNode().Parent = null;
var swappedChild = _testHelper.ConfigureCurrentDepthCopy(child);
var swappedGrandchild = _testHelper.ConfigureCurrentDepthCopy(grandChild);
//act
parent.GetVersionControlNode().Accept(visitor);
//assert
var actualChild = parent.GetVersionControlNode().Children.Single();
actualChild.Should().NotBeSameAs(child).And.BeSameAs(swappedChild.GetVersionControlNode());
var actualGrandchild = actualChild.Children.Single();
actualGrandchild.Should().NotBeSameAs(grandChild).And.BeSameAs(swappedGrandchild.GetVersionControlNode());
actualChild.Mutations.Should().HaveCount(2);
}
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 void when_forking_a_childless_object()
{
//setup
var visitor = new FindAndCopyVersioningChildVisitor();
var parent = _testHelper.MakeVersioning<FlatPropertyBag>().GetVersionControlNode();
parent.Mutations.AddRange(new TimestampedPropertyVersionDelta("1", TestHelper.FlatPropsString.SetMethod, 1L),
new TimestampedPropertyVersionDelta("2", TestHelper.FlatPropsString.SetMethod, 2L),
new TimestampedPropertyVersionDelta("3", TestHelper.FlatPropsString.SetMethod, 3L));
//act
parent.Accept(visitor);
//assert
parent.Children.Should().BeEmpty();
parent.Mutations.Should().HaveCount(3);
}