/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.isis.applib.services.queryresultscache;
import java.util.concurrent.Callable;
import org.junit.Before;
import org.junit.Test;
import org.apache.isis.applib.events.system.FixturesInstallingEvent;
import org.apache.isis.applib.services.fixturespec.FixtureScriptsDefault;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
public class QueryResultsCacheTest {
private QueryResultsCache queryResultsCache;
QueryResultsCache.Control control;
@Before
public void setUp() throws Exception {
queryResultsCache = new QueryResultsCache();
control = new QueryResultsCache.Control();
queryResultsCache.control = control;
}
@Test
public void execute() {
String value = queryResultsCache.execute(new Callable<String>(){
@Override
public String call() throws Exception {
return "foo";
}
}, QueryResultsCacheTest.class, "execute");
assertThat(value, is("foo"));
}
@Test
public void caching() {
final int[] i = new int[]{0};
Callable<String> callable = new Callable<String>(){
@Override
public String call() throws Exception {
i[0]++;
return "foo";
}
};
assertThat(i[0], is(0));
assertThat(queryResultsCache.execute(callable, QueryResultsCacheTest.class, "caching", "a","b",1,2), is("foo"));
assertThat(i[0], is(1));
// should be a cache hit
assertThat(queryResultsCache.execute(callable, QueryResultsCacheTest.class, "caching", "a","b",1,2), is("foo"));
assertThat(i[0], is(1));
// changing any of the keys results in a cache miss
assertThat(queryResultsCache.execute(callable, QueryResultsCacheTest.class, "XXXcaching", "a","b",1,2), is("foo"));
assertThat(i[0], is(2));
assertThat(queryResultsCache.execute(callable, QueryResultsCache.class, "caching", "a","b",1,2), is("foo"));
assertThat(i[0], is(3));
assertThat(queryResultsCache.execute(callable, QueryResultsCacheTest.class, "caching", "XXX","b",1,2), is("foo"));
assertThat(i[0], is(4));
assertThat(queryResultsCache.execute(callable, QueryResultsCacheTest.class, "caching", "a","b",1,2, "x"), is("foo"));
assertThat(i[0], is(5));
}
@Test
public void cachingDisabled() {
// given fixtures installing, hence caching disabled
control.on(new FixturesInstallingEvent(new FixtureScriptsDefault()));
final int[] i = new int[]{0};
Callable<String> callable = new Callable<String>(){
@Override
public String call() throws Exception {
i[0]++;
return "foo";
}
};
// when, then (a cache miss)
assertThat(i[0], is(0));
assertThat(queryResultsCache.execute(callable, QueryResultsCacheTest.class, "caching", "a","b",1,2), is("foo"));
assertThat(i[0], is(1));
// when, then should also be a cache miss - would've been a hit previously
assertThat(queryResultsCache.execute(callable, QueryResultsCacheTest.class, "caching", "a","b",1,2), is("foo"));
assertThat(i[0], is(2));
}
}