/*
* Copyright 2013 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.appengine.tck.datastore;
import java.util.ArrayList;
import java.util.List;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.FetchOptions;
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.datastore.Query;
import com.google.appengine.api.datastore.Query.FilterPredicate;
import org.jboss.arquillian.junit.Arquillian;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.assertEquals;
/**
* datastore ancestor test.
*
* @author hchen@google.com (Hannah Chen)
*/
@RunWith(Arquillian.class)
public class AncestorTest extends DatastoreTestBase {
private static final String PARENTKIND = "school";
private static final String CHILDKIND = "room";
@Before
public void createData() throws InterruptedException {
Query q = new Query(PARENTKIND);
if (service.prepare(q).countEntities(FetchOptions.Builder.withDefaults()) == 0) {
List<Entity> elist = new ArrayList<Entity>();
Entity pRec, cRec;
// add parents
pRec = new Entity(PARENTKIND);
pRec.setProperty("name", "redwood");
Key key1 = service.put(pRec);
pRec = new Entity(PARENTKIND);
pRec.setProperty("name", "argonaut");
Key key2 = service.put(pRec);
// add children
cRec = new Entity(CHILDKIND, key1);
cRec.setProperty("teacher", "Mrs. Key1-redwood");
elist.add(cRec);
cRec = new Entity(CHILDKIND, key1);
cRec.setProperty("teacher", "Mrs. Key2-redwood");
elist.add(cRec);
cRec = new Entity(CHILDKIND, key2);
cRec.setProperty("teacher", "Mrs. Key1-argonaut");
elist.add(cRec);
cRec = new Entity(CHILDKIND, key2);
cRec.setProperty("teacher", "Mrs. Key2-argonaut");
elist.add(cRec);
service.put(elist);
sync(waitTime);
}
}
@Test
public void testAncestor() {
Key pKey = getParent().getKey();
Query query = new Query(CHILDKIND, pKey);
assertEquals(2, service.prepare(query)
.countEntities(FetchOptions.Builder.withDefaults()));
for (Entity cRec : service.prepare(query).asIterable()) {
assertEquals(pKey, cRec.getParent());
}
}
@Test
public void testAncestorKey() {
Key pKey = getParent().getKey();
Query query = new Query(CHILDKIND, pKey);
query.addSort("__key__");
assertEquals(2, service.prepare(query)
.countEntities(FetchOptions.Builder.withDefaults()));
for (Entity cRec : service.prepare(query).asIterable()) {
assertEquals(pKey, cRec.getParent());
}
}
@Test
public void testKindless() {
Query query = new Query(PARENTKIND);
query.setFilter(new FilterPredicate("name", Query.FilterOperator.EQUAL, "argonaut"));
Entity parent = service.prepare(query).asSingleEntity();
query = new Query(parent.getKey());
assertEquals(3, service.prepare(query)
.countEntities(FetchOptions.Builder.withDefaults()));
query = new Query().setAncestor(parent.getKey());
assertEquals(3, service.prepare(query)
.countEntities(FetchOptions.Builder.withDefaults()));
}
@Test
public void testKeyName() {
Entity pRec = new Entity(PARENTKIND, "测试文档keyname");
pRec.setProperty("name", "regression");
service.put(pRec);
assertEquals(pRec.getKey().getName(), "测试文档keyname");
Entity cRec = new Entity(CHILDKIND, "测试文档keyname", pRec.getKey());
cRec.setProperty("teacher", "regression");
service.put(cRec);
assertEquals(cRec.getKey().getName(), "测试文档keyname");
service.delete(cRec.getKey(), pRec.getKey());
}
private Entity getParent() {
Query query = new Query(PARENTKIND);
query.setFilter(new FilterPredicate("name", Query.FilterOperator.EQUAL, "argonaut"));
Entity parent = service.prepare(query).asSingleEntity();
return parent;
}
}