DirectoryCleanerTest.java

package com.aol.micro.server.s3;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

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

public class DirectoryCleanerTest {

    @Test
    public void clean() throws IOException {

        Path dir = Files.createTempDirectory("test");
        DirectoryCleaner cleaner = new DirectoryCleaner(
                                                        dir.toString());
        Path file = Files.createTempFile(dir, "a", "b");
        Assert.assertTrue(Files.exists(file));
        cleaner.clean();
        Assert.assertFalse(Files.exists(file));

    }
}