org.springframework.integration.ftp.session.SessionFactoryTests.java Source code

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Here is the source code for org.springframework.integration.ftp.session.SessionFactoryTests.java

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/*
 * Copyright 2002-2013 the original author or authors.
 *
 * 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 org.springframework.integration.ftp.session;

import java.lang.reflect.Field;
import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.junit.Assert;
import org.apache.commons.net.ftp.FTPClient;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.Mockito;
import org.springframework.integration.MessagingException;
import org.springframework.integration.file.remote.session.CachingSessionFactory;
import org.springframework.integration.file.remote.session.Session;
import org.springframework.integration.file.remote.session.SessionFactory;
import org.springframework.integration.test.util.TestUtils;

import static org.junit.Assert.fail;

import static org.junit.Assert.assertEquals;

/**
 * @author Oleg Zhurakousky
 * @author Gunnar Hillert
 *
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public class SessionFactoryTests {

    @Test
    public void testWithControlEncoding() {
        DefaultFtpSessionFactory sessionFactory = new DefaultFtpSessionFactory();
        sessionFactory.setControlEncoding("UTF-8");
        Assert.assertEquals("Expected controlEncoding value of 'UTF-8'", "UTF-8",
                TestUtils.getPropertyValue(sessionFactory, "controlEncoding"));
    }

    @Test
    public void testWithoutControlEncoding() {
        DefaultFtpSessionFactory sessionFactory = new DefaultFtpSessionFactory();
        Assert.assertEquals("Expected controlEncoding value of 'ISO-8859-1'", "ISO-8859-1",
                TestUtils.getPropertyValue(sessionFactory, "controlEncoding"));
    }

    @Test(expected = IllegalArgumentException.class)
    public void testEmptyControlEncoding() {
        DefaultFtpSessionFactory sessionFactory = new DefaultFtpSessionFactory();
        sessionFactory.setControlEncoding("");
    }

    @Test(expected = IllegalArgumentException.class)
    public void testNullControlEncoding() {
        DefaultFtpSessionFactory sessionFactory = new DefaultFtpSessionFactory();
        sessionFactory.setControlEncoding(null);
    }

    @Test
    public void testClientModes() throws Exception {
        DefaultFtpSessionFactory sessionFactory = new DefaultFtpSessionFactory();
        Field[] fields = FTPClient.class.getDeclaredFields();
        for (Field field : fields) {
            if (field.getName().endsWith("MODE")) {
                try {
                    int clientMode = field.getInt(null);
                    sessionFactory.setClientMode(clientMode);
                    if (!(clientMode == FTPClient.ACTIVE_LOCAL_DATA_CONNECTION_MODE
                            || clientMode == FTPClient.PASSIVE_LOCAL_DATA_CONNECTION_MODE)) {
                        fail();
                    }
                } catch (IllegalArgumentException e) {
                    // success
                } catch (Throwable e) {
                    fail();
                }
            }
        }
    }

    @Test
    public void testStaleConnection() throws Exception {
        SessionFactory sessionFactory = Mockito.mock(SessionFactory.class);
        Session sessionA = Mockito.mock(Session.class);
        Session sessionB = Mockito.mock(Session.class);
        Mockito.when(sessionA.isOpen()).thenReturn(true);
        Mockito.when(sessionB.isOpen()).thenReturn(false);

        Mockito.when(sessionFactory.getSession()).thenReturn(sessionA);
        Mockito.when(sessionFactory.getSession()).thenReturn(sessionB);

        CachingSessionFactory cachingFactory = new CachingSessionFactory(sessionFactory, 2);

        Session firstSession = cachingFactory.getSession();
        Session secondSession = cachingFactory.getSession();
        secondSession.close();
        Session nonStaleSession = cachingFactory.getSession();
        assertEquals(TestUtils.getPropertyValue(firstSession, "targetSession"),
                TestUtils.getPropertyValue(nonStaleSession, "targetSession"));
    }

    @Test
    public void testSameSessionFromThePool() throws Exception {
        SessionFactory sessionFactory = Mockito.mock(SessionFactory.class);
        Session session = Mockito.mock(Session.class);
        Mockito.when(sessionFactory.getSession()).thenReturn(session);

        CachingSessionFactory cachingFactory = new CachingSessionFactory(sessionFactory, 2);

        Session s1 = cachingFactory.getSession();
        s1.close();
        Session s2 = cachingFactory.getSession();
        s2.close();
        assertEquals(TestUtils.getPropertyValue(s1, "targetSession"),
                TestUtils.getPropertyValue(s2, "targetSession"));
        Mockito.verify(sessionFactory, Mockito.times(2)).getSession();
    }

    @Test(expected = MessagingException.class) // timeout expire
    public void testSessionWaitExpire() throws Exception {
        SessionFactory sessionFactory = Mockito.mock(SessionFactory.class);
        Session session = Mockito.mock(Session.class);
        Mockito.when(sessionFactory.getSession()).thenReturn(session);

        CachingSessionFactory cachingFactory = new CachingSessionFactory(sessionFactory, 2);

        cachingFactory.setSessionWaitTimeout(3000);

        cachingFactory.getSession();
        cachingFactory.getSession();
        cachingFactory.getSession();
    }

    @Test
    @Ignore
    public void testConnectionLimit() throws Exception {
        ExecutorService executor = Executors.newCachedThreadPool();
        DefaultFtpSessionFactory sessionFactory = new DefaultFtpSessionFactory();
        sessionFactory.setHost("192.168.28.143");
        sessionFactory.setPassword("password");
        sessionFactory.setUsername("user");
        final CachingSessionFactory factory = new CachingSessionFactory(sessionFactory, 2);

        final Random random = new Random();
        final AtomicInteger failures = new AtomicInteger();
        for (int i = 0; i < 30; i++) {
            executor.execute(new Runnable() {
                public void run() {
                    try {
                        Session session = factory.getSession();
                        Thread.sleep(random.nextInt(5000));
                        session.close();
                    } catch (Exception e) {
                        e.printStackTrace();
                        failures.incrementAndGet();
                    }
                }
            });
        }
        executor.shutdown();
        executor.awaitTermination(10000, TimeUnit.SECONDS);

        assertEquals(0, failures.get());
    }
}