azkaban.project.DirectoryFlowLoaderTest.java Source code

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Here is the source code for azkaban.project.DirectoryFlowLoaderTest.java

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/*
 * Copyright 2014 LinkedIn Corp.
 *
 * 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 azkaban.project;

import azkaban.test.executions.ExecutionsTestUtil;
import azkaban.utils.Props;
import com.google.common.io.Files;
import com.google.common.io.MoreFiles;
import com.google.common.io.RecursiveDeleteOption;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream;
import org.apache.commons.compress.utils.IOUtils;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

public class DirectoryFlowLoaderTest {

    private Project project;

    private static File decompressTarBZ2(InputStream is) throws IOException {
        File outputDir = Files.createTempDir();

        try (TarArchiveInputStream tais = new TarArchiveInputStream(new BZip2CompressorInputStream(is))) {
            TarArchiveEntry entry;
            while ((entry = tais.getNextTarEntry()) != null) {
                if (entry.isDirectory()) {
                    continue;
                }

                File outputFile = new File(outputDir, entry.getName());
                File parent = outputFile.getParentFile();
                if (!parent.exists()) {
                    parent.mkdirs();
                }

                try (FileOutputStream os = new FileOutputStream(outputFile)) {
                    IOUtils.copy(tais, os);
                }
            }

            return outputDir;
        }
    }

    @Before
    public void setUp() {
        this.project = new Project(11, "myTestProject");
    }

    @Test
    public void testDirectoryLoad() {
        final DirectoryFlowLoader loader = new DirectoryFlowLoader(new Props());

        loader.loadProjectFlow(this.project, ExecutionsTestUtil.getFlowDir("exectest1"));
        Assert.assertEquals(0, loader.getErrors().size());
        Assert.assertEquals(5, loader.getFlowMap().size());
        Assert.assertEquals(2, loader.getPropsList().size());
        Assert.assertEquals(14, loader.getJobPropsMap().size());
    }

    @Test
    public void testLoadEmbeddedFlow() {
        final DirectoryFlowLoader loader = new DirectoryFlowLoader(new Props());

        loader.loadProjectFlow(this.project, ExecutionsTestUtil.getFlowDir("embedded"));
        Assert.assertEquals(0, loader.getErrors().size());
        Assert.assertEquals(2, loader.getFlowMap().size());
        Assert.assertEquals(0, loader.getPropsList().size());
        Assert.assertEquals(9, loader.getJobPropsMap().size());
    }

    @Test
    public void testRecursiveLoadEmbeddedFlow() {
        final DirectoryFlowLoader loader = new DirectoryFlowLoader(new Props());

        loader.loadProjectFlow(this.project, ExecutionsTestUtil.getFlowDir("embedded_bad"));
        for (final String error : loader.getErrors()) {
            System.out.println(error);
        }

        // Should be 3 errors: jobe->innerFlow, innerFlow->jobe, innerFlow
        Assert.assertEquals(3, loader.getErrors().size());
    }

    @Test
    public void testMassiveFlow() throws Exception {
        final DirectoryFlowLoader loader = new DirectoryFlowLoader(new Props());

        File projectDir = null;
        try (InputStream is = new FileInputStream(
                ExecutionsTestUtil.getDataRootDir() + "/massive-flows/massive-flows.tar.bz2")) {
            projectDir = decompressTarBZ2(is);

            loader.loadProjectFlow(this.project, projectDir);
            Assert.assertEquals(0, loader.getErrors().size());
            Assert.assertEquals(185, loader.getFlowMap().size());
            Assert.assertEquals(0, loader.getPropsList().size());
            Assert.assertEquals(7121, loader.getJobPropsMap().size());
        } finally {
            if (projectDir != null) {
                MoreFiles.deleteRecursively(projectDir.toPath(), RecursiveDeleteOption.ALLOW_INSECURE);
            }
        }
    }
}