assertNotNull(commit.getId());
ObjectId treeId = commit.getTreeId();
assertNotNull(treeId);
RevTree root = repo.getTree(treeId);
assertNotNull(root);
Optional<Node> linesTreeId = repo.getTreeChild(root, linesName);
assertFalse(linesTreeId.isPresent());
Optional<Node> typeTreeId = repo.getTreeChild(root, pointsName);
assertTrue(typeTreeId.isPresent());
RevTree typeTree = repo.getTree(typeTreeId.get().getObjectId());
assertNotNull(typeTree);
String featureId = points1.getIdentifier().getID();
Optional<Node> featureBlobId = repo.getTreeChild(root,
NodeRef.appendChild(pointsName, featureId));