/*
* 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.Entity;
import com.google.appengine.api.datastore.FetchOptions;
import com.google.appengine.api.datastore.GeoPt;
import com.google.appengine.api.datastore.PropertyProjection;
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;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* datastore Queries test, Projection, setFilter.
*
* @author hchen@google.com (Hannah Chen)
*/
@RunWith(Arquillian.class)
public class DistinctTest extends DatastoreTestBase {
private FetchOptions fo = FetchOptions.Builder.withDefaults();
private String kindName = "distincttest";
private int count = 30;
@Before
public void createData() throws InterruptedException {
Query query = new Query(kindName, rootKey);
if (service.prepare(query).countEntities(fo) == 0) {
int props = 15;
List<Entity> elist = new ArrayList<Entity>();
elist.clear();
for (int i = 0; i < count; i++) {
Entity newRec = new Entity(kindName, rootKey);
if (i == 0) {
newRec.setProperty("stringData", null);
} else if (i == 15) {
newRec.setProperty("stringData", "");
} else {
newRec.setProperty("stringData", "string" + i / (props));
}
newRec.setProperty("timestamp", new Date());
newRec.setProperty("intData", i / (props - 2));
if (i == 4) {
newRec.setProperty("floatData", null);
} else {
newRec.setProperty("floatData", new Double(12 + i / (props - 4) * 0.1));
}
if ((count % 2) == 0) {
newRec.setProperty("booleanData", true);
} else {
newRec.setProperty("booleanData", false);
}
newRec.setProperty("geoptData",
new GeoPt((float) (i / (props - 9) + 12.0), (float) (i / (props - 9) + 90.0)));
newRec.setProperty("intList",
Arrays.asList(i / (props - 11), 50 + i / (props - 11), 90 + i / (props - 11)));
elist.add(newRec);
}
service.put(elist);
sync(waitTime);
}
}
@Test
public void testDistinctStr() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("stringData", String.class));
query.setDistinct(true);
assertTrue(query.getDistinct());
// distinct false
query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("stringData", String.class));
query.setDistinct(false);
assertEquals(count, service.prepare(query).countEntities(fo));
assertFalse(query.getDistinct());
}
@Test
public void testDistinctNum() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("floatData", Float.class));
query.setDistinct(true);
assertEquals(4, service.prepare(query).countEntities(fo));
assertTrue(query.getDistinct());
query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("floatData", Float.class));
query.setDistinct(false);
assertEquals(count, service.prepare(query).countEntities(fo));
assertFalse(query.getDistinct());
}
@Test
public void testDistinctList() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("intList", Integer.class));
query.setDistinct(true);
assertEquals(24, service.prepare(query).countEntities(fo));
assertTrue(query.getDistinct());
// distinct false
query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("intList", Integer.class));
query.setDistinct(false);
// 3 cols * 30 rows
assertEquals(count * 3, service.prepare(query).countEntities(fo));
assertFalse(query.getDistinct());
}
@Test
public void testDistinctMix() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("stringData", String.class));
query.addProjection(new PropertyProjection("floatData", Float.class));
query.setDistinct(true);
assertEquals(7, service.prepare(query).countEntities(fo));
assertTrue(query.getDistinct());
// distinct false
query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("stringData", String.class));
query.addProjection(new PropertyProjection("floatData", Float.class));
query.setDistinct(false);
assertEquals(count, service.prepare(query).countEntities(fo));
assertFalse(query.getDistinct());
}
@Test
public void testDistinctSort() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("stringData", String.class));
query.addProjection(new PropertyProjection("floatData", Float.class));
query.addSort("stringData", Query.SortDirection.DESCENDING);
query.setDistinct(true);
assertEquals(7, service.prepare(query).countEntities(fo));
assertTrue(query.getDistinct());
query.addSort("floatData", Query.SortDirection.DESCENDING);
assertEquals(7, service.prepare(query).countEntities(fo));
}
@Test
public void testDistinctFilter() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("stringData", String.class));
query.addProjection(new PropertyProjection("floatData", Float.class));
query.setFilter(new FilterPredicate("stringData", Query.FilterOperator.NOT_EQUAL, "string1"));
query.addSort("stringData", Query.SortDirection.DESCENDING);
query.setDistinct(true);
assertEquals(5, service.prepare(query).countEntities(fo));
assertTrue(query.getDistinct());
}
@Test
public void testDistinctFilter2() {
Query query = new Query(kindName, rootKey);
query.addProjection(new PropertyProjection("stringData", String.class));
query.addProjection(new PropertyProjection("floatData", Float.class));
query.setFilter(new FilterPredicate("stringData", Query.FilterOperator.GREATER_THAN,
"string0"));
query.addSort("stringData", Query.SortDirection.DESCENDING);
query.addSort("floatData", Query.SortDirection.DESCENDING);
query.setDistinct(true);
assertEquals(2, service.prepare(query).countEntities(fo));
assertTrue(query.getDistinct());
}
}