FileUtilTest.java

/*
 * Copyright (c) 2016 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.obiba.core.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Arrays;

import org.junit.Assert;
import org.junit.Test;

public class FileUtilTest {

  @Test
  public void testCopyFile() throws IOException {

    File source = getSourceFile("logback-test.xml");
    File dest = File.createTempFile("test", "tmp");

    FileUtil.copyFile(source, dest);

    Assert.assertEquals(source.length(), dest.length());
    byte[] sourceBytes = StreamUtil.readFully(new FileInputStream(source));
    byte[] destBytes = StreamUtil.readFully(new FileInputStream(dest));
    Assert.assertTrue(Arrays.equals(sourceBytes, destBytes));
  }

  @Test
  @SuppressWarnings("ResultOfMethodCallIgnored")
  public void testCopyFileInDir() throws IOException {

    File source = getSourceFile("logback-test.xml");
    File dest = File.createTempFile("test", "tmp");
    dest.delete();
    dest.mkdir();

    FileUtil.copyFile(source, dest);

    File newDest = new File(dest, source.getName());

    Assert.assertTrue(newDest.exists());
    Assert.assertEquals(source.length(), newDest.length());
    byte[] sourceBytes = StreamUtil.readFully(new FileInputStream(source));
    byte[] destBytes = StreamUtil.readFully(new FileInputStream(newDest));
    Assert.assertTrue(Arrays.equals(sourceBytes, destBytes));
  }

  private File getSourceFile(String name) {
    File target = new File("target");
    File testRoot = new File(target, "test-classes");
    return new File(testRoot, name);
  }

}