/*
* 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.openejb.client;
import org.junit.Assert;
import org.junit.Test;
import java.net.URI;
import java.util.ArrayList;
/**
* @version $Rev$ $Date$
*/
public class StickyConnectionStrategyIteratorTest {
@Test
public void testRandom() throws Exception {
final URI[] uris = uris(
"one://localhost:1243",
"two://localhost:1243",
"three://localhost:1243",
"four://localhost:1243");
ClusterMetaData cluster = new ClusterMetaData(System.currentTimeMillis(), uris);
Iterable<URI> iterable = new StickyConnectionStrategy(new RandomConnectionStrategy()).createIterable(cluster);
assertIteration(uris, iterable);
{ // Stick to uri 2
URI uri = uris[2];
cluster.setLastLocation(uri);
Assert.assertEquals(uri, iterable.iterator().next());
Assert.assertEquals(uri, iterable.iterator().next());
Assert.assertEquals(uri, iterable.iterator().next());
Assert.assertEquals(uri, iterable.iterator().next());
}
{ // Stick to uri 2
URI uri = uris[3];
cluster.setLastLocation(uri);
Assert.assertEquals(uri, iterable.iterator().next());
Assert.assertEquals(uri, iterable.iterator().next());
Assert.assertEquals(uri, iterable.iterator().next());
Assert.assertEquals(uri, iterable.iterator().next());
}
assertIteration(uris, iterable);
}
private void assertIteration(URI[] uris, Iterable<URI> iterable) {
ArrayList<URI> found = new ArrayList<URI>();
for (URI uri : iterable) {
if (!found.contains(uri)) {
found.add(uri);
}
}
Assert.assertEquals(uris.length, found.size());
for (URI uri : uris) {
Assert.assertTrue(found.contains(uri));
}
// Assert.assertTrue("Found: " + found + ", Expected: " + Arrays.asList(uris),
// found.get(0).equals(uris[0]) &&
// found.get(1).equals(uris[1]) &&
// found.get(2).equals(uris[2]) &&
// found.get(3).equals(uris[3])
// );
}
private URI[] uris(String... strings) {
final URI[] uris = new URI[strings.length];
for (int i = 0; i < strings.length; i++) {
uris[i] = URI.create(strings[i]);
}
return uris;
}
}