private void removeLabels(Node node, Label... labels) {
try (Transaction tx = dbRule.getGraphDatabaseService().beginTx()) {
for (Label label : labels) {
node.removeLabel(label);
}
tx.success();
}
}
@Test
public void shouldHandleLargeAmountsOfNodesAddedAndRemovedInSameTx() throws Exception {
// Given
GraphDatabaseAPI db = dbRule.getGraphDatabaseAPI();
int labelsToAdd = 80;
int labelsToRemove = 40;
// When
Node node;
try (Transaction tx = db.beginTx()) {
node = db.createNode();
// I create a lot of labels, enough to push the store to use two dynamic records
for (int l = 0; l < labelsToAdd; l++) {
node.addLabel(label("Label-" + l));
}
// and I delete some of them, enough to bring the number of dynamic records needed down to 1
for (int l = 0; l < labelsToRemove; l++) {
node.removeLabel(label("Label-" + l));
}
tx.success();
}
// Then
try (Transaction ignore = db.beginTx()) {
// All the labels remaining should be in the label scan store
for (int l = labelsToAdd - 1; l >= labelsToRemove; l--) {
Label label = label("Label-" + l);
assertThat(
"Should have founnd node when looking for label " + label,
single(GlobalGraphOperations.at(db).getAllNodesWithLabel(label)),
equalTo(node));
}
}
}
