// MMB-1893
public void testDeleteNodeWitRelationsAndCancel() {
Cloud cloud = getCloud();
int urlCount0 = Queries.count(cloud.getNodeManager("urls").createQuery());
int relCount0 = Queries.count(cloud.getNodeManager("insrel").createQuery());
Node url = cloud.getNodeManager("urls").createNode();
url.commit();
Node news = cloud.getNode(newNode);
RelationManager rm = cloud.getRelationManager("urls", "news", "posrel");
Relation r = url.createRelation(news, rm);
r.commit();
int urlCount = Queries.count(cloud.getNodeManager("urls").createQuery());
int relCount = Queries.count(cloud.getNodeManager("insrel").createQuery());
assertEquals(urlCount0 + 1, urlCount);
assertEquals(relCount0 + 1, relCount);
Transaction t = cloud.getTransaction("deletewithrelationsandcancel");
Node turl = t.getNode(url.getNumber());
turl.delete(true);
t.cancel();
int urlCountAfter = Queries.count(cloud.getNodeManager("urls").createQuery());
assertEquals(urlCount, urlCountAfter);
int relCountAfter = Queries.count(cloud.getNodeManager("insrel").createQuery());
assertEquals(relCount, relCountAfter); // MMB-1893
}
// MMB-1860 (4)
public void testRelateAndDeleteRelation() {
// Make a relation between two nodes. Delete the relation again. Commit the transaction.
// Te relation shouldn't exist
Cloud cloud = getCloud();
int urlCount = Queries.count(cloud.getNodeManager("urls").createQuery());
int relCount = Queries.count(cloud.getNodeManager("insrel").createQuery());
Node newUrl = cloud.getNodeManager("urls").createNode();
newUrl.commit();
Transaction t = cloud.getTransaction("testrelateandeleterelation");
Node news = t.getNode(newNode);
Node url = t.getNode(newUrl.getNumber());
RelationManager rm = t.getRelationManager("urls", "news", "posrel");
Relation r = url.createRelation(news, rm);
r.commit();
r.delete();
t.commit();
int urlCountAfter = Queries.count(cloud.getNodeManager("urls").createQuery());
assertEquals(urlCount + 1, urlCountAfter);
// But the relation should not exist, because it was deleted angain
int relCountAfter = Queries.count(cloud.getNodeManager("insrel").createQuery());
assertEquals(relCount, relCountAfter);
}
// MMB-1889
public void testCreateRelationAndDeleteNode() {
// Make a relation to an existing node. Then delete that node with the 'delete relations'
// option'. Commit the transaction.
// The new relations should not exist, since the node was deleted.
// No errors.
Cloud cloud = getCloud();
int urlCount = Queries.count(cloud.getNodeManager("urls").createQuery());
int relCount = Queries.count(cloud.getNodeManager("insrel").createQuery());
Node url = cloud.getNodeManager("urls").createNode();
url.commit();
Transaction t = cloud.getTransaction("relatedandelete");
Node turl = t.getNode(url.getNumber());
Node news = t.getNode(newNode);
RelationManager rm = t.getRelationManager("urls", "news", "posrel");
Relation r = turl.createRelation(news, rm);
r.commit();
turl.delete(true);
t.commit();
int urlCountAfter = Queries.count(cloud.getNodeManager("urls").createQuery());
assertEquals(urlCount, urlCountAfter);
int relCountAfter = Queries.count(cloud.getNodeManager("insrel").createQuery());
assertEquals(relCount, relCountAfter);
}
// MMB-1857
public void testGetNodes() {
Cloud cloud = getCloud();
Transaction t = cloud.getTransaction("testgetnodes");
Node n = t.getNode(newNode);
Node url = t.getNodeManager("urls").createNode();
RelationManager rm = t.getRelationManager("urls", "news", "posrel");
Relation r = url.createRelation(n, rm);
{
// should not give NPE's or so
n.commit();
url.commit();
r.commit();
}
assertEquals(3, t.getNodes().size()); // 2 nodes and one relation
for (Node rn : t.getNodes()) {
// should occur no exceptions
rn.commit(); // should have little effect in trans
}
t.cancel();
}