public void RenameThresholdsAreObeyed()
{
SelfCleaningDirectory scd = BuildSelfCleaningDirectory();
var path = Repository.Init(scd.DirectoryPath);
using (var repo = new Repository(path))
{
const string originalPath = "original.txt";
const string renamedPath = "renamed.txt";
// 4 lines
Touch(repo.Info.WorkingDirectory, originalPath, "a\nb\nc\nd\n");
repo.Index.Stage(originalPath);
Commit old = repo.Commit("Initial", Constants.Signature, Constants.Signature);
// 8 lines, 50% are from original file
Touch(repo.Info.WorkingDirectory, originalPath, "a\nb\nc\nd\ne\nf\ng\nh\n");
repo.Index.Stage(originalPath);
repo.Index.Move(originalPath, renamedPath);
Commit @new = repo.Commit("Updated", Constants.Signature, Constants.Signature);
var compareOptions = new CompareOptions
{
Similarity = new SimilarityOptions
{
RenameDetectionMode = RenameDetectionMode.Renames,
},
};
compareOptions.Similarity.RenameThreshold = 30;
TreeChanges changes = repo.Diff.Compare <TreeChanges>(old.Tree, @new.Tree, compareOptions: compareOptions);
Assert.True(changes.All(x => x.Status == ChangeKind.Renamed));
compareOptions.Similarity.RenameThreshold = 90;
changes = repo.Diff.Compare <TreeChanges>(old.Tree, @new.Tree, compareOptions: compareOptions);
Assert.False(changes.Any(x => x.Status == ChangeKind.Renamed));
}
}