@Test
public void testTwoLevelsOfFetch() throws Exception {
fact.register(ListNode.class);
TestObjectify ofy = fact.begin();
ListNode node3 = new ListNode();
node3.foo = "foo3";
ofy.put(node3);
ListNode node2 = new ListNode();
node2.foo = "foo2";
node2.next = Ref.create(node3);
ofy.put(node2);
ListNode node1 = new ListNode();
node1.foo = "foo1";
node1.next = Ref.create(node2);
ofy.put(node1);
ofy.clear();
ListNode fetched = ofy.get(Key.create(node1));
assert fetched.foo.equals(node1.foo);
assert fetched.next.get().id.equals(node2.id);
assert fetched.next.get().foo.equals(node2.foo);
assert fetched.next.get().next.get().id.equals(node3.id);
assert fetched.next.get().next.get().foo.equals(node3.foo);
assert fetched.next.get().next.get().next == null;
}
@Test
public void testGrouping() throws Exception {
fact.register(HasEntitiesWithGroups.class);
HasEntitiesWithGroups he = new HasEntitiesWithGroups();
he.single = Ref.create(k1);
he.multi.add(Ref.create(k1));
he.multi.add(Ref.create(k2));
HasEntitiesWithGroups fetched = this.putClearGet(he);
Key<HasEntitiesWithGroups> hekey = Key.create(he);
assert fetched.single.key().equals(k1);
assertRefUninitialzied(fetched.single);
assert fetched.multi.get(0).equals(fetched.single);
for (Ref<Trivial> ref : fetched.multi) assertRefUninitialzied(ref);
TestObjectify ofy = fact.begin();
ofy.clear();
fetched = ofy.load().group(Single.class).key(hekey).get();
assert fetched.single.get().getId().equals(t1.getId());
assert fetched.single.get().getSomeString().equals(t1.getSomeString());
assert fetched.multi.get(0).equals(fetched.single);
for (Ref<Trivial> ref : fetched.multi) assertRefUninitialzied(ref);
ofy.clear();
fetched = ofy.load().group(Multi.class).key(hekey).get();
assert fetched.multi.get(0).get().getId().equals(t1.getId());
assert fetched.multi.get(0).get().getSomeString().equals(t1.getSomeString());
assert fetched.multi.get(1).get().getId().equals(t2.getId());
assert fetched.multi.get(1).get().getSomeString().equals(t2.getSomeString());
assert fetched.multi.get(0).equals(fetched.single);
assertRefUninitialzied(fetched.single);
ofy.clear();
fetched = ofy.load().group(Single.class).group(Multi.class).key(hekey).get();
assert fetched.multi.get(0).get().getId().equals(t1.getId());
assert fetched.multi.get(0).get().getSomeString().equals(t1.getSomeString());
assert fetched.multi.get(1).get().getId().equals(t2.getId());
assert fetched.multi.get(1).get().getSomeString().equals(t2.getSomeString());
assert fetched.single.get() == fetched.multi.get(0).get();
}
@Test
public void testBasicLists() throws Exception {
fact.register(HasCollections.class);
TestObjectify ofy = this.fact.begin();
HasCollections hc = new HasCollections();
hc.integerList = Arrays.asList(1, 2, 3);
hc.integerArrayList = new ArrayList<Integer>(hc.integerList);
hc.integerLinkedList = new LinkedList<Integer>(hc.integerList);
Key<HasCollections> key = ofy.save().entity(hc).now();
ofy.clear();
hc = ofy.load().key(key).get();
assertContains123(hc.integerList, ArrayList.class);
assertContains123(hc.integerArrayList, ArrayList.class);
assertContains123(hc.integerLinkedList, LinkedList.class);
}
@Test
public void testMissingTail() throws Exception {
fact.register(ListNode.class);
TestObjectify ofy = fact.begin();
// Node2 should not exist but should have a concrete id for node1
ListNode node2 = new ListNode();
node2.id = 999L;
ListNode node1 = new ListNode();
node1.foo = "foo1";
node1.next = Ref.create(Key.create(node2));
ofy.put(node1);
ofy.clear();
ListNode fetched = ofy.get(Key.create(node1));
assert fetched.foo.equals(node1.foo);
assert fetched.next.get() == null; // it was fetched, so this should be initialized and null.
}
/** Test rule: never store an empty Collection, leaves value as null */
@Test
public void testEmptyCollections() throws Exception {
fact.register(HasCollections.class);
TestObjectify ofy = this.fact.begin();
HasCollections hc = new HasCollections();
hc.integerList = new ArrayList<Integer>();
Key<HasCollections> key = ofy.save().entity(hc).now();
ofy.clear();
hc = ofy.load().key(key).get();
System.out.println(ds().get(fact.getRawKey(hc)));
// This wouldn't be valid if we didn't clear the session
assert hc.integerList == null;
Entity e = ds().get(fact.getRawKey(key));
// rule : never store an empty collection
assert !e.hasProperty("integerList");
assert hc.initializedList != null;
assert hc.initializedList instanceof LinkedList<?>;
}
