public void when_undoing_assignment_to_property_with_no_setter()
{
//setup
var baseObject = TestHelper.CreateWithNonDefaultProperties<FlatPropertyBag>();
var controller = new PropertyBagVersionController<FlatPropertyBag>(baseObject,
_testHelper.MakeConfiguredCloneFactoryFor<FlatPropertyBag>(),
_testHelper.EmptyChangeSet(),
_testHelper.MakeConfiguredVisitorFactory(),
_testHelper.MakeConfiguredProxyFactory());
//act
TestDelegate act = () => controller.UndoLastAssignmentTo(self => self.PropWithoutSetter);
//assert
Assert.Throws<UntrackedObjectException>(act);
A.CallTo(_testHelper.ProvidedVisitorFactory.MakeDeltaApplicationVisitor(ChangeType.Unknown, false))
.WithAnyArguments()
.MustNotHaveHappened();
}
public void when_undoing_assignment_where_no_candidate_changes_exist()
{
//setup
var controller = new PropertyBagVersionController<FlatPropertyBag>(TestHelper.CreateWithNonDefaultProperties<FlatPropertyBag>(),
_testHelper.MakeConfiguredCloneFactoryFor<FlatPropertyBag>(),
_testHelper.EmptyChangeSet(),
_testHelper.MakeConfiguredVisitorFactory(),
_testHelper.MakeConfiguredProxyFactory());
//act
TestDelegate act = () => controller.UndoLastAssignmentTo(self => self.StringProperty);
//assert
Assert.Throws<VersionDeltaNotFoundException>(act);
}
public void when_undoing_assignment_to_grandchild()
{
//setup
var baseObject = new DeepPropertyBag();
var childObject = A.Fake<DeepPropertyBag>();
var targetSite = baseObject.PropertyInfoFor(x => x.DeepChild).GetSetMethod();
var controller = new PropertyBagVersionController<DeepPropertyBag>(baseObject,
_testHelper.MakeConfiguredCloneFactoryFor<DeepPropertyBag>(),
TestHelper.ChangeSet(childObject, targetSite, 1),
_testHelper.MakeConfiguredVisitorFactory(),
_testHelper.MakeConfiguredProxyFactory());
//act
TestDelegate act = () => controller.UndoLastAssignmentTo(self => self.DeepChild.DeepStringProperty);
//assert
Assert.Throws<UntrackedObjectException>(act);
A.CallTo(() => childObject.DeepStringProperty).MustNotHaveHappened();
}
public void when_undoing_assignment_to_self()
{
//setup
var controller = new PropertyBagVersionController<FlatPropertyBag>(TestHelper.CreateWithNonDefaultProperties<FlatPropertyBag>(),
_testHelper.MakeConfiguredCloneFactoryFor<FlatPropertyBag>(),
_testHelper.EmptyChangeSet(),
_testHelper.MakeConfiguredVisitorFactory(),
_testHelper.MakeConfiguredProxyFactory());
//act
TestDelegate act = () => controller.UndoLastAssignmentTo(self => self);
//assert
Assert.Throws<UntrackedObjectException>(act);
}
public void when_undoing_assignment_to_child()
{
//setup
var baseObject = TestHelper.CreateWithNonDefaultProperties<FlatPropertyBag>();
var targetSite = baseObject.PropertyInfoFor(x => x.StringProperty).GetSetMethod();
const int targetVersion = 2;
const string targetValue = "Two!";
var changeSet = TestHelper.ChangeSet(new[] { "One", targetValue, "Three" },
Enumerable.Repeat(targetSite, 3),
new[] { targetVersion - 1L, targetVersion, targetVersion + 1L });
var controller = new PropertyBagVersionController<FlatPropertyBag>(baseObject,
_testHelper.MakeConfiguredCloneFactoryFor<FlatPropertyBag>(),
changeSet,
_testHelper.MakeConfiguredVisitorFactory(),
_testHelper.MakeConfiguredProxyFactory());
//act
controller.UndoLastAssignmentTo(self => self.StringProperty);
//assert
// RunVisitorOnTree(_visitorFactory.MakeDeltaApplicationVisitor(includeDescendents: false, makeActive:false, targetSite:targetSetter));
A.CallTo(() => _testHelper.ProvidedVisitorFactory.MakeDeltaApplicationVisitor(ChangeType.Undo, false, targetSite)).MustHaveHappened();
A.CallTo(() => _testHelper.ProvidedDeltaApplicationVisitor.OnEntry(controller)).MustHaveHappened();
}
