@Test
public void testTypedKeySet() throws Exception {
fact.register(HasCollections.class);
TestObjectify ofy = this.fact.begin();
Key<Trivial> key7 = Key.create(Trivial.class, 7);
Key<Trivial> key8 = Key.create(Trivial.class, 8);
Key<Trivial> key9 = Key.create(Trivial.class, 9);
HasCollections hc = new HasCollections();
hc.typedKeySet = new HashSet<Key<Trivial>>();
hc.typedKeySet.add(key7);
hc.typedKeySet.add(key8);
hc.typedKeySet.add(key9);
Key<HasCollections> key = ofy.save().entity(hc).now();
hc = ofy.load().key(key).get();
assert hc.typedKeySet instanceof HashSet<?>;
assert hc.typedKeySet.size() == 3;
assert hc.typedKeySet.contains(key7);
assert hc.typedKeySet.contains(key8);
assert hc.typedKeySet.contains(key9);
}
@Test
public void testBasicSets() throws Exception {
fact.register(HasCollections.class);
TestObjectify ofy = this.fact.begin();
HasCollections hc = new HasCollections();
hc.integerSet = new HashSet<Integer>();
hc.integerSet.add(1);
hc.integerSet.add(2);
hc.integerSet.add(3);
hc.integerSortedSet = new TreeSet<Integer>(hc.integerSet);
hc.integerHashSet = new HashSet<Integer>(hc.integerSet);
hc.integerTreeSet = new TreeSet<Integer>(hc.integerSet);
hc.integerLinkedHashSet = new LinkedHashSet<Integer>(hc.integerSet);
Key<HasCollections> key = ofy.save().entity(hc).now();
hc = ofy.load().key(key).get();
assertContains123(hc.integerSet, HashSet.class);
assertContains123(hc.integerSortedSet, TreeSet.class);
assertContains123(hc.integerHashSet, HashSet.class);
assertContains123(hc.integerTreeSet, TreeSet.class);
assertContains123(hc.integerLinkedHashSet, LinkedHashSet.class);
}
/** Rule: never store a null Collection, always leave it alone when loaded */
@Test
public void testNullCollections() throws Exception {
fact.register(HasCollections.class);
TestObjectify ofy = this.fact.begin();
HasCollections hc = new HasCollections();
hc.integerList = null;
Key<HasCollections> key = ofy.save().entity(hc).now();
hc = ofy.load().key(key).get();
ofy.save().entity(hc).now();
hc = ofy.load().key(key).get();
assert hc.integerList == null; // not loaded
Entity e = ds().get(fact.getRawKey(key));
// rule : never store a null collection
assert !e.hasProperty("integerList");
}
@Test
public void testCustomSet() throws Exception {
fact.register(HasCollections.class);
TestObjectify ofy = this.fact.begin();
HasCollections hc = new HasCollections();
hc.customSet = new CustomSet();
hc.customSet.add(1);
hc.customSet.add(2);
hc.customSet.add(3);
Key<HasCollections> key = ofy.save().entity(hc).now();
hc = ofy.load().key(key).get();
assertContains123(hc.customSet, CustomSet.class);
}
@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 testCollectionContainingNull() throws Exception {
fact.register(HasCollections.class);
TestObjectify ofy = this.fact.begin();
HasCollections hc = new HasCollections();
hc.integerList = Arrays.asList((Integer) null);
Key<HasCollections> key = ofy.save().entity(hc).now();
hc = ofy.load().key(key).get();
assert hc.integerList != null;
assert hc.integerList.size() == 1;
assert hc.integerList.get(0) == null;
Entity e = ds().get(fact.getRawKey(key));
assert e.hasProperty("integerList");
List<?> l = (List<?>) e.getProperty("integerList");
assert l != null;
assert l.size() == 1;
assert l.get(0) == 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<?>;
}