public void UpdatesSelectionInfo()
{
var shaGenerator = new PseudoShaGenerator();
var firstCommit = CommitMock.GenerateCommit(shaGenerator, null, 0);
var secondCommit = CommitMock.GenerateCommit(shaGenerator, firstCommit.Yield(), 1);
var diff = new DiffMock(null, (_1, _2, _3) => new TreeChangesMock(new List <TreeEntryChanges>()));
var head = new BranchMock(true, false, null, secondCommit, "HEAD");
var compareOptions = new CompareOptions();
var compareOptionsObs = Observable.Return(compareOptions);
var repo = new RepositoryMock(new CommitMock[] { firstCommit, secondCommit }, new BranchCollectionMock(head.Yield().ToList()), null, diff);
using var oldCommit = new BehaviorSubject <Variant <Commit, DiffTargets>?>(null);
using var newCommit = new BehaviorSubject <Variant <Commit, DiffTargets>?>(null);
var repoObservable = Observable.Return(repo).Concat(Observable.Never <IRepositoryWrapper>());
var input = Observable
.CombineLatest(oldCommit, newCommit, compareOptionsObs, repoObservable, (o, n, c, r) => new DiffViewModelInput(r, o, n, c));
using var vm = new DiffViewModel(new TestSchedulers(), input);
var selectionInfo = new List <Variant <string, Unexpected, List <TreeEntryChanges>, Commit> >();
var resetEvent = new AutoResetEvent(false);
using var _ = vm.SelectionInfo
.Subscribe(info =>
{
selectionInfo.Add(info);
resetEvent.Set();
});
resetEvent.WaitOne(TimeSpan.FromSeconds(5));
newCommit.OnNext(DiffTargets.WorkingDirectory);
resetEvent.WaitOne(TimeSpan.FromSeconds(5));
oldCommit.OnNext(secondCommit);
resetEvent.WaitOne(TimeSpan.FromSeconds(5));
newCommit.OnNext(firstCommit);
resetEvent.WaitOne(TimeSpan.FromSeconds(5));
oldCommit.OnNext(null);
resetEvent.WaitOne(TimeSpan.FromSeconds(5));
Assert.AreEqual(5, selectionInfo.Count);
Assert.AreEqual(0, selectionInfo[0].VariantIndex);
Assert.AreEqual(2, selectionInfo[1].VariantIndex);
Assert.AreEqual(0, selectionInfo[2].VariantIndex);
Assert.AreEqual(0, selectionInfo[3].VariantIndex);
Assert.AreEqual(3, selectionInfo[4].VariantIndex);
Assert.AreEqual(firstCommit, selectionInfo[4].Fourth);
}
public void CanCreateInstance()
{
var diff = new DiffMock(null, null);
var oldCommit = Observable.Return((Variant <Commit, DiffTargets>?)null).Concat(Observable.Never <Variant <Commit, DiffTargets>?>());
var newCommit = Observable.Return((Variant <Commit, DiffTargets>?)null).Concat(Observable.Never <Variant <Commit, DiffTargets>?>());
var compareOptions = Observable.Return(new CompareOptions()).Concat(Observable.Never <CompareOptions>());
var repo = new RepositoryMock(new List <CommitMock>(), new BranchCollectionMock(new List <BranchMock>()), null, diff);
var repoObservable = Observable.Return(repo).Concat(Observable.Never <IRepositoryWrapper>());
var input = Observable
.CombineLatest(oldCommit, newCommit, compareOptions, repoObservable, (o, n, c, r) => new DiffViewModelInput(r, o, n, c));
var vm = new DiffViewModel(new TestSchedulers(), input);
Variant <List <TreeEntryChanges>, Unexpected>?value = null;
using var subscription = vm.TreeDiff.Subscribe(treeDiff => value = treeDiff);
if (value is null)
{
throw new Exception("Value was not set.");
}
Assert.IsTrue(value.Is <Unexpected>());
Assert.AreEqual(DiffViewModel.NoCommitSelectedMessage, value.Get <Unexpected>().Message);
}
