org.pentaho.di.utils.TestUtils.java Source code

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/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2017 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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.pentaho.di.utils;

import static org.junit.Assert.assertTrue;

import java.io.File;
import java.io.IOException;
import java.util.UUID;

import org.apache.commons.io.FileUtils;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.pentaho.di.core.vfs.KettleVFS;

public class TestUtils {

    /**
     * Do not use this method because it does not delete the temp folder after java process tear down
     */
    @Deprecated
    public static String createTempDir() {
        String ret = null;
        try {
            /*
             * Java.io.File only creates Temp files, so repurpose the filename for a temporary folder
             * Delete the file that's created, and re-create as a folder. 
             */
            File file = File.createTempFile("temp_pentaho_test_dir", String.valueOf(System.currentTimeMillis()));
            file.delete();
            file.mkdir();
            file.deleteOnExit();
            ret = file.getAbsolutePath();
        } catch (Exception ex) {
            System.out.println("Can't create temp folder");
            ex.printStackTrace();
        }
        return ret;
    }

    public static File getInputFile(String prefix, String suffix) throws IOException {
        File inputFile = File.createTempFile(prefix, suffix);
        inputFile.deleteOnExit();
        FileUtils.writeStringToFile(inputFile, UUID.randomUUID().toString(), "UTF-8");
        return inputFile;
    }

    public static String createRamFile(String path) {
        try {
            FileObject file = KettleVFS.getInstance().getFileSystemManager().resolveFile("ram://" + path);
            file.createFile();
            return file.getName().getURI();
        } catch (FileSystemException e) {
            throw new RuntimeException(e);
        }
    }

    public static FileObject getFileObject(String vfsPath) {
        try {
            return KettleVFS.getInstance().getFileSystemManager().resolveFile(vfsPath);
        } catch (FileSystemException e) {
            throw new RuntimeException(e);
        }
    }

    public static String toUnixLineSeparators(String string) {
        if (string != null) {
            string = string.replaceAll("\r", "");
        }
        return string;
    }

    public static void checkEqualsHashCodeConsistency(Object object1, Object object2) {
        if (object1.equals(object2)) {
            assertTrue("inconsistent hashcode and equals", object1.hashCode() == object2.hashCode());
        }
    }
}