com.spotify.docker.client.CompressedDirectoryTest.java Source code

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Here is the source code for com.spotify.docker.client.CompressedDirectoryTest.java

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/*
 * Copyright (c) 2014 Spotify AB.
 *
 * 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.spotify.docker.client;

import com.google.common.io.Resources;

import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
import org.junit.Test;

import java.io.BufferedInputStream;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.junit.Assert.assertThat;

public class CompressedDirectoryTest {

    @Test
    public void testFile() throws Exception {
        // note: Paths.get(someURL.toUri()) is the platform-neutral way to convert a URL to a Path
        final URL dockerDirectory = Resources.getResource("dockerDirectory");
        try (CompressedDirectory dir = CompressedDirectory.create(Paths.get(dockerDirectory.toURI()));
                BufferedInputStream fileIn = new BufferedInputStream(Files.newInputStream(dir.file()));
                GzipCompressorInputStream gzipIn = new GzipCompressorInputStream(fileIn);
                TarArchiveInputStream tarIn = new TarArchiveInputStream(gzipIn)) {

            final List<String> names = new ArrayList<>();
            TarArchiveEntry entry;
            while ((entry = tarIn.getNextTarEntry()) != null) {
                final String name = entry.getName();
                names.add(name);
            }
            assertThat(names, containsInAnyOrder("Dockerfile", "bin/date.sh", "innerDir/innerDockerfile"));
        }
    }

    @Test
    public void testFileWithIgnore() throws Exception {
        // note: Paths.get(someURL.toUri()) is the platform-neutral way to convert a URL to a Path
        final URL dockerDirectory = Resources.getResource("dockerDirectoryWithIgnore");
        try (CompressedDirectory dir = CompressedDirectory.create(Paths.get(dockerDirectory.toURI()));
                BufferedInputStream fileIn = new BufferedInputStream(Files.newInputStream(dir.file()));
                GzipCompressorInputStream gzipIn = new GzipCompressorInputStream(fileIn);
                TarArchiveInputStream tarIn = new TarArchiveInputStream(gzipIn)) {

            final List<String> names = new ArrayList<>();
            TarArchiveEntry entry;
            while ((entry = tarIn.getNextTarEntry()) != null) {
                final String name = entry.getName();
                names.add(name);
            }
            assertThat(names, containsInAnyOrder("Dockerfile", "bin/date.sh", "subdir2/keep-me", ".dockerignore"));
        }
    }

}