examples/src/test/java/org/apache/oozie/example/TestLocalOozieExample.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.oozie.example;

import org.apache.hadoop.fs.Path;
import org.apache.oozie.service.Services;
import org.apache.oozie.test.XFsTestCase;
import org.apache.oozie.util.IOUtils;
import org.apache.oozie.util.XLog;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Objects;

public class TestLocalOozieExample extends XFsTestCase {
    private String oozieLocalLog;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        oozieLocalLog = System.getProperty("oozielocal.log");
        System.setProperty("oozielocal.log", getTestCaseDir()+"/oozielocal.log");
    }

    @Override
    protected void delete(File file) throws IOException {
        Objects.requireNonNull(file, "file cannot be null");
        if (file.getAbsolutePath().length() < 5) {
            throw new RuntimeException(XLog.format("path [{0}] is too short, not deleting", file.getAbsolutePath()));
        }
        if (file.exists()) {
            if (file.isDirectory()) {
                File[] children = file.listFiles();
                if (children != null) {
                    for (File child : children) {
                        delete(child);
                    }
                }
            }
            if (!file.delete()) {
                throw new RuntimeException(XLog.format("could not delete path [{0}]", file.getAbsolutePath()));
            }
        }
    }

    @Override
    protected void tearDown() throws Exception {
        if (oozieLocalLog != null) {
            System.setProperty("oozielocal.log", oozieLocalLog);
        }
        else {
            System.getProperties().remove("oozielocal.log");
        }
        System.getProperties().remove(Services.OOZIE_HOME_DIR);
        super.tearDown();
    }

    public void testLocalOozieExampleEnd() throws IOException {
        Path app = new Path(getFsTestCaseDir(), "app");
        File props = new File(getTestCaseDir(), "job.properties");
        IOUtils.copyStream(IOUtils.getResourceAsStream("localoozieexample-wf.xml", -1),
                           getFileSystem().create(new Path(app, "workflow.xml")));
        IOUtils.copyStream(IOUtils.getResourceAsStream("localoozieexample-end.properties", -1),
                           new FileOutputStream(props));
        assertEquals(0, LocalOozieExample.execute(app.toString(), props.toString()));
    }

    public void testLocalOozieExampleKill() throws IOException {
        Path app = new Path(getFsTestCaseDir(), "app");
        File props = new File(getTestCaseDir(), "job.properties");
        IOUtils.copyStream(IOUtils.getResourceAsStream("localoozieexample-wf.xml", -1),
                           getFileSystem().create(new Path(app, "workflow.xml")));
        IOUtils.copyStream(IOUtils.getResourceAsStream("localoozieexample-kill.properties", -1),
                           new FileOutputStream(props));
        assertEquals(-1, LocalOozieExample.execute(app.toString(), props.toString()));
    }

}