org.springframework.integration.zip.Zip2FileTests.java Source code

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/*
 * Copyright 2015-2016 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
 *
 *      https://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.zip;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;
import org.springframework.integration.file.FileHeaders;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;

/**
 *
 * @author Gunnar Hillert
 * @author Artem Bilan
 * @since 1.0
 *
 */
public class Zip2FileTests {

    private AnnotationConfigApplicationContext context;

    private MessageChannel input;

    private static final Properties properties = new Properties();

    @Rule
    public TemporaryFolder testFolder = new TemporaryFolder();

    private File workDir;

    @Before
    public void setup() throws IOException {
        this.workDir = testFolder.newFolder();
        properties.put("workDir", workDir);

        context = new AnnotationConfigApplicationContext();
        context.register(ContextConfiguration.class);
        context.refresh();
        input = context.getBean("input", MessageChannel.class);
    }

    @After
    public void cleanup() {
        if (context != null) {
            context.close();
        }
    }

    @Test
    public void zipStringWithDefaultFileName() throws IOException, InterruptedException {

        final Message<String> message = MessageBuilder.withPayload("Zip me up.").build();

        input.send(message);

        Assert.assertTrue(this.workDir.list().length == 1);

        File fileInWorkDir = this.workDir.listFiles()[0];

        Assert.assertTrue(fileInWorkDir.isFile());
        Assert.assertTrue(fileInWorkDir.getName().contains(message.getHeaders().getId().toString()));
        Assert.assertTrue("The created file should have a 'zip' file extension.",
                fileInWorkDir.getName().endsWith(".zip"));
    }

    @Test
    public void zipStringWithExplicitFileName() throws IOException, InterruptedException {
        input.send(
                MessageBuilder.withPayload("Zip me up.").setHeader(FileHeaders.FILENAME, "zipString.zip").build());

        Assert.assertTrue(this.workDir.list().length == 1);
        Assert.assertEquals("zipString.zip", this.workDir.listFiles()[0].getName());
    }

    @Test
    public void zipBytesWithExplicitFileName() throws IOException, InterruptedException {

        input.send(MessageBuilder.withPayload("Zip me up.".getBytes())
                .setHeader(FileHeaders.FILENAME, "zipString.zip").build());

        Assert.assertTrue(this.workDir.list().length == 1);
        Assert.assertEquals("zipString.zip", this.workDir.listFiles()[0].getName());
    }

    @Test
    public void zipFile() throws IOException, InterruptedException {

        final File fileToCompress = testFolder.newFile();
        FileUtils.writeStringToFile(fileToCompress, "hello world");

        input.send(MessageBuilder.withPayload(fileToCompress).build());

        Assert.assertTrue(this.workDir.list().length == 1);
        Assert.assertEquals(fileToCompress.getName() + ".zip", this.workDir.listFiles()[0].getName());
    }

    @Test
    public void zipIterableWithMultipleStrings() throws IOException, InterruptedException {

        String stringToCompress1 = "String1";
        String stringToCompress2 = "String2";
        String stringToCompress3 = "String3";
        String stringToCompress4 = "String4";

        final List<String> stringsToCompress = new ArrayList<String>(4);

        stringsToCompress.add(stringToCompress1);
        stringsToCompress.add(stringToCompress2);
        stringsToCompress.add(stringToCompress3);
        stringsToCompress.add(stringToCompress4);

        input.send(MessageBuilder.withPayload(stringsToCompress)
                .setHeader(FileHeaders.FILENAME, "zipWith4Strings.zip").build());

        Assert.assertTrue(this.workDir.list().length == 1);
        Assert.assertEquals("zipWith4Strings.zip", this.workDir.listFiles()[0].getName());
    }

    @Test
    public void zipIterableWithDifferentTypes() throws IOException, InterruptedException {

        String stringToCompress = "String1";
        byte[] bytesToCompress = "String2".getBytes();
        final File fileToCompress = testFolder.newFile();
        FileUtils.writeStringToFile(fileToCompress, "hello world");

        final List<Object> objectsToCompress = new ArrayList<Object>(3);

        objectsToCompress.add(stringToCompress);
        objectsToCompress.add(bytesToCompress);
        objectsToCompress.add(fileToCompress);

        input.send(MessageBuilder.withPayload(objectsToCompress)
                .setHeader(FileHeaders.FILENAME, "objects-to-compress.zip").build());

        Assert.assertTrue(this.workDir.list().length == 1);
        Assert.assertEquals("objects-to-compress.zip", this.workDir.listFiles()[0].getName());
    }

    @Configuration
    @ImportResource("classpath:org/springframework/integration/zip/Zip2FileTests-context.xml")
    public static class ContextConfiguration {

        @Bean
        Properties properties() throws IOException {
            return properties;
        }

    }

}