/*
* 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.mina.core;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.mina.core.filterchain.DefaultIoFilterChainBuilder;
import org.apache.mina.core.filterchain.IoFilter;
import org.apache.mina.core.filterchain.IoFilterAdapter;
import org.apache.mina.core.filterchain.IoFilterChain.Entry;
/**
* Tests {@link DefaultIoFilterChainBuilder}.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev$, $Date$
*/
public class DefaultIoFilterChainBuilderTest extends TestCase {
public static void main(String[] args) {
junit.textui.TestRunner.run(DefaultIoFilterChainBuilderTest.class);
}
@Override
protected void setUp() throws Exception {
}
@Override
protected void tearDown() throws Exception {
}
public void testAdd() throws Exception {
DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
builder.addFirst("A", new IoFilterAdapter());
builder.addLast("B", new IoFilterAdapter());
builder.addFirst("C", new IoFilterAdapter());
builder.addLast("D", new IoFilterAdapter());
builder.addBefore("B", "E", new IoFilterAdapter());
builder.addBefore("C", "F", new IoFilterAdapter());
builder.addAfter("B", "G", new IoFilterAdapter());
builder.addAfter("D", "H", new IoFilterAdapter());
String actual = "";
for (Entry e : builder.getAll()) {
actual += e.getName();
}
Assert.assertEquals("FCAEBGDH", actual);
}
public void testGet() throws Exception {
DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
IoFilter filterA = new IoFilterAdapter();
IoFilter filterB = new IoFilterAdapter();
IoFilter filterC = new IoFilterAdapter();
IoFilter filterD = new IoFilterAdapter();
builder.addFirst("A", filterA);
builder.addLast("B", filterB);
builder.addBefore("B", "C", filterC);
builder.addAfter("A", "D", filterD);
Assert.assertSame(filterA, builder.get("A"));
Assert.assertSame(filterB, builder.get("B"));
Assert.assertSame(filterC, builder.get("C"));
Assert.assertSame(filterD, builder.get("D"));
}
public void testRemove() throws Exception {
DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
builder.addLast("A", new IoFilterAdapter());
builder.addLast("B", new IoFilterAdapter());
builder.addLast("C", new IoFilterAdapter());
builder.addLast("D", new IoFilterAdapter());
builder.addLast("E", new IoFilterAdapter());
builder.remove("A");
builder.remove("E");
builder.remove("C");
builder.remove("B");
builder.remove("D");
Assert.assertEquals(0, builder.getAll().size());
}
public void testClear() throws Exception {
DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
builder.addLast("A", new IoFilterAdapter());
builder.addLast("B", new IoFilterAdapter());
builder.addLast("C", new IoFilterAdapter());
builder.addLast("D", new IoFilterAdapter());
builder.addLast("E", new IoFilterAdapter());
builder.clear();
Assert.assertEquals(0, builder.getAll().size());
}
public void testToString() {
DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
// When the chain is empty
Assert.assertEquals("{ empty }", builder.toString());
// When there's one filter
builder.addLast("A", new IoFilterAdapter() {
@Override
public String toString() {
return "B";
}
});
Assert.assertEquals("{ (A:B) }", builder.toString());
// When there are two
builder.addLast("C", new IoFilterAdapter() {
@Override
public String toString() {
return "D";
}
});
Assert.assertEquals("{ (A:B), (C:D) }", builder.toString());
}
}