com.predic8.membrane.integration.ProxyRuleTest.java Source code

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Here is the source code for com.predic8.membrane.integration.ProxyRuleTest.java

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/* Copyright 2009 predic8 GmbH, www.predic8.com
    
   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.predic8.membrane.integration;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.List;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import com.predic8.membrane.core.Constants;
import com.predic8.membrane.core.Router;
import com.predic8.membrane.core.interceptor.Interceptor;
import com.predic8.membrane.core.interceptor.acl.AccessControlInterceptor;
import com.predic8.membrane.core.interceptor.balancer.LoadBalancingInterceptor;
import com.predic8.membrane.core.rules.ProxyRule;
import com.predic8.membrane.core.rules.ProxyRuleKey;

public class ProxyRuleTest {

    private Router router;

    private static ProxyRule rule1;

    private static byte[] buffer;

    @Before
    public void setUp() throws Exception {
        router = Router.init("resources/proxy-rules-test-monitor-beans.xml");
        router.getRuleManager().addRuleIfNew(new ProxyRule(new ProxyRuleKey(3128)));
    }

    @After
    public void tearDown() throws Exception {
        router.getTransport().closeAll();
    }

    @Test
    public void testPost() throws Exception {
        HttpClient client = new HttpClient();
        GetMethod get = new GetMethod("https://predic8.com");
        assertEquals(200, client.executeMethod(get));
    }

    @Test
    public void testWriteRuleToByteBuffer() throws Exception {
        rule1 = new ProxyRule(new ProxyRuleKey(8888));
        rule1.setName("Rule 1");
        rule1.setInboundTLS(true);
        rule1.setBlockResponse(true);
        rule1.setInterceptors(getInterceptors());

        ByteArrayOutputStream os = new ByteArrayOutputStream();
        XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(os, Constants.UTF_8);
        rule1.write(writer);
        writer.flush();
        buffer = os.toByteArray();
    }

    @Test
    public void testReadRuleFromByteBuffer() throws Exception {
        ProxyRule rule2 = new ProxyRule();
        rule2.setRouter(router);

        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader reader = factory.createXMLStreamReader((new ByteArrayInputStream(buffer)), Constants.UTF_8);

        while (reader.next() != XMLStreamReader.START_ELEMENT)
            ;

        rule2.parse(reader);

        assertEquals(8888, rule2.getKey().getPort());
        assertEquals("Rule 1", rule2.getName());
        assertNull(rule2.getLocalHost());
        assertEquals(true, rule2.isInboundTLS());
        assertFalse(rule2.isOutboundTLS());

        List<Interceptor> inters = rule2.getInterceptors();
        assertFalse(inters.isEmpty());
        assertTrue(inters.size() == 2);
        inters.get(0).getId().equals("roundRobinBalancer");
        inters.get(1).getId().equals("accessControlInterceptor");

        assertEquals(true, rule2.isBlockResponse());
        assertFalse(rule2.isBlockRequest());
    }

    private List<Interceptor> getInterceptors() {
        List<Interceptor> interceptors = new ArrayList<Interceptor>();
        Interceptor balancer = new LoadBalancingInterceptor();
        balancer.setId("roundRobinBalancer");
        interceptors.add(balancer);

        Interceptor acl = new AccessControlInterceptor();
        acl.setId("accessControlInterceptor");
        interceptors.add(acl);
        return interceptors;
    }

}