/*
* 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.Arrays;
import java.util.Date;
import java.util.List;
import com.google.appengine.api.datastore.Category;
import com.google.appengine.api.datastore.Email;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.FetchOptions;
import com.google.appengine.api.datastore.GeoPt;
import com.google.appengine.api.datastore.Link;
import com.google.appengine.api.datastore.PhoneNumber;
import com.google.appengine.api.datastore.PostalAddress;
import com.google.appengine.api.datastore.PropertyProjection;
import com.google.appengine.api.datastore.Query;
import com.google.appengine.api.datastore.Query.Filter;
import com.google.appengine.api.datastore.Query.FilterPredicate;
import com.google.appengine.api.datastore.Rating;
import com.google.appengine.api.datastore.ShortBlob;
import com.google.appengine.api.datastore.Text;
import org.jboss.arquillian.junit.Arquillian;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* datastore Queries test, Projection, setFilter.
*
* @author hchen@google.com (Hannah Chen)
*/
@RunWith(Arquillian.class)
public class QueryTest extends DatastoreTestBase {
private String kindName = "querytest";
private int count = 3;
private FetchOptions fo = FetchOptions.Builder.withDefaults();
@Before
public void createData() throws InterruptedException {
clearData(kindName);
List<Entity> elist = new ArrayList<>();
for (int i = 0; i < count; i++) {
Entity newRec = new Entity(kindName, rootKey);
newRec.setProperty("stringData", "string data" + i);
newRec.setProperty("timestamp", new Date());
newRec.setProperty("shortBlobData", new ShortBlob(("shortBlobData" + i).getBytes()));
newRec.setProperty("intData", 20 * i);
newRec.setProperty("textData", new Text("textData" + i));
newRec.setProperty("floatData", 1234 + 0.1 * i);
newRec.setProperty("booleanData", true);
newRec.setProperty("urlData", new Link("http://www.google.com"));
newRec.setProperty("emailData", new Email("somebody123" + i + "@google.com"));
newRec.setProperty("phoneData", new PhoneNumber("408-123-000" + i));
newRec.setProperty("adressData", new PostalAddress("123 st. CA 12345" + i));
newRec.setProperty("ratingData", new Rating(10 * i));
newRec.setProperty("geoptData", new GeoPt((float) (i + 0.12), (float) (i + 0.98)));
newRec.setProperty("categoryData", new Category("category" + i));
newRec.setProperty("intList", Arrays.asList(i, 50 + i, 90 + i));
elist.add(newRec);
}
service.put(elist);
sync(1000);
}
@Test
public void testSetFilterString() {
Query query = new Query(kindName, rootKey);
Filter filter = Query.CompositeFilterOperator.or(
Query.FilterOperator.GREATER_THAN.of("stringData", "string data2"),
Query.FilterOperator.LESS_THAN.of("stringData", "string data1"));
query.setFilter(filter);
assertEquals(1, service.prepare(query).countEntities(fo));
}
@Test
public void testSetFilterShortBlob() {
Query query = new Query(kindName, rootKey);
Filter filter1 = Query.FilterOperator.EQUAL.of("shortBlobData", new ShortBlob("shortBlobData0".getBytes()));
Filter filter2 = Query.FilterOperator.LESS_THAN_OR_EQUAL.of("shortBlobData", new ShortBlob("shortBlobData1".getBytes()));
query.setFilter(Query.CompositeFilterOperator.or(filter1, filter2));
assertEquals(2, service.prepare(query).countEntities(fo));
}
@Test
public void testSetFilterInt() {
Query query = new Query(kindName, rootKey);
List<Filter> filterList = new ArrayList<>();
filterList.add(Query.FilterOperator.EQUAL.of("intData", 20));
filterList.add(Query.FilterOperator.GREATER_THAN.of("intData", 0));
Filter filter = Query.CompositeFilterOperator.and(filterList);
query.setFilter(filter);
assertEquals(1, service.prepare(query).countEntities(fo));
}
@Test
public void testSetFilterRating() {
Query query = new Query(kindName, rootKey);
List<Filter> filterList = new ArrayList<>();
filterList.add(Query.FilterOperator.LESS_THAN.of("ratingData", new Rating(30)));
filterList.add(Query.FilterOperator.GREATER_THAN.of("ratingData", new Rating(0)));
Filter filter1 = Query.CompositeFilterOperator.or(filterList);
Filter filter2 = Query.FilterOperator.EQUAL.of("ratingData", new Rating(20));
query.setFilter(Query.CompositeFilterOperator.and(filter1, filter2));
assertEquals(1, service.prepare(query).countEntities(fo));
}
@Test
public void testSetFilterList() {
// [0,50,90], [1,51,91], [2,52,92]
Query query = new Query(kindName, rootKey);
List<Filter> filterList = new ArrayList<>();
filterList.add(Query.FilterOperator.LESS_THAN.of("intList", 5));
filterList.add(Query.FilterOperator.GREATER_THAN.of("intList", 90));
Filter filter1 = Query.CompositeFilterOperator.OR.of(filterList);
Filter filter2 = Query.FilterOperator.EQUAL.of("intList", 52);
query.setFilter(Query.CompositeFilterOperator.AND.of(filter1, filter2));
assertEquals(1, service.prepare(query).countEntities(fo));
}
@Test
public void testWithPropertyProjection() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("geoptData", GeoPt.class));
Filter filter1 = Query.CompositeFilterOperator.or(
Query.FilterOperator.LESS_THAN.of("intList", 5),
Query.FilterOperator.GREATER_THAN.of("intList", 90));
Filter filter2 = Query.FilterOperator.EQUAL.of("intList", 52);
query.setFilter(Query.CompositeFilterOperator.and(filter1, filter2));
// sql statement
String sql = "SELECT geoptData FROM " + kindName;
sql += " WHERE ((intList < 5 or intList > 90) AND intList = 52)";
sql += " AND __ancestor__ is " + rootKey;
assertEquals(sql.toLowerCase(), query.toString().toLowerCase());
// check query result
List<Entity> results = service.prepare(query).asList(fo);
Assert.assertTrue(results.size() > 0);
assertEquals(new GeoPt((float) (2.12), (float) (2.98)), results.get(0).getProperty("geoptData"));
for (Entity e : results) {
assertEquals(1, e.getProperties().size());
assertTrue(e.getProperties().containsKey("geoptData"));
}
}
@Test
public void testFilterPredicate() {
Query query = new Query(kindName, rootKey);
query.setFilter(new FilterPredicate("intData", Query.FilterOperator.EQUAL, 20));
Entity e = service.prepare(query).asSingleEntity();
assertEquals("check query kind", kindName, query.getKind());
assertEquals("check query ancesor", rootKey, query.getAncestor());
Query.FilterPredicate fp = (Query.FilterPredicate) query.getFilter();
assertEquals("check FilterPredicate name", "intData", fp.getPropertyName());
assertEquals("check FilterPredicate operator", Query.FilterOperator.EQUAL, fp.getOperator());
assertEquals("check FilterPredicate value", e.getProperty("intData").toString(), fp.getValue().toString());
}
@Test
public void testCompositeFilter() {
Query query = new Query(kindName, rootKey);
Filter filter = Query.CompositeFilterOperator.and(
Query.FilterOperator.LESS_THAN_OR_EQUAL.of("intData", 40),
Query.FilterOperator.GREATER_THAN.of("intData", 0));
query.setFilter(filter);
query.addSort("intData", Query.SortDirection.DESCENDING);
List<Entity> es = service.prepare(query).asList(fo);
assertEquals("check return count", 2, es.size());
assertEquals("check query filter", filter, query.getFilter());
assertEquals("check query key only", false, query.isKeysOnly());
Query.CompositeFilter cf = (Query.CompositeFilter) query.getFilter();
assertEquals(2, cf.getSubFilters().size());
assertEquals(Query.CompositeFilterOperator.AND, cf.getOperator());
}
@Test
public void testSortPredicates() {
Query query = new Query(kindName, rootKey);
query.addSort("intData", Query.SortDirection.DESCENDING);
List<Entity> es = service.prepare(query).asList(fo);
assertEquals((long) 40, es.get(0).getProperty("intData"));
List<Query.SortPredicate> qsp = query.getSortPredicates();
assertEquals("check SortPredicate name", "intData", qsp.get(0).getPropertyName());
assertEquals("check SortPredicate direction", Query.SortDirection.DESCENDING, qsp.get(0).getDirection());
}
@SuppressWarnings("LoopStatementThatDoesntLoop")
@Test
public void testKeysOnly() throws Exception {
final Query query = new Query(kindName, rootKey);
query.setKeysOnly();
for (Entity e : service.prepare(query).asIterable()) {
Assert.assertNull(e.getProperty("intData"));
break;
}
for (Entity e : service.prepare(query.clearKeysOnly()).asIterable()) {
Assert.assertNotNull(e.getProperty("intData"));
break;
}
}
@Test
public void testReverse() throws Exception {
final Query query = new Query(kindName, rootKey);
query.addSort(Entity.KEY_RESERVED_PROPERTY);
query.addSort("intData");
List<Entity> list1 = service.prepare(query).asList(FetchOptions.Builder.withDefaults());
List<Entity> list2 = service.prepare(query.reverse()).asList(FetchOptions.Builder.withDefaults());
int size = list1.size();
Assert.assertEquals(size, list2.size());
for (int i = 0; i < size; i++) {
Assert.assertEquals(list1.get(i), list2.get(size - i - 1));
}
}
@Test
public void testMiscOps() throws Exception {
final Query query = new Query(kindName, rootKey);
Assert.assertNotNull(query.getAppId());
Assert.assertNotNull(query.getNamespace());
}
}