/*
* Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
*
* 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.jboss.errai.common.metadata;
import static org.junit.Assert.assertEquals;
import junit.framework.Assert;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
import org.jboss.vfs.spi.RealFileSystem;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
/**
* Unit testing for Errai's glue between the JBoss VFS and the Reflections VFS.
*
* @author Jonathan Fuerth <jfuerth@redhat.com>
* @author Christian Sadilek <csadilek@redhat.com>
*/
public class JBossVfsDirTest {
/**
* A new directory created and mounted into the JBoss VFS at { {@link #getJBossVfsMountPoint()} during setup. Test
* methods are free to create and delete entries under this directory at their whim. The whole directory will be
* deleted in {@link #teardown()}.
*/
private File mountedDir;
/**
* Handle for unmounting mountedDir at test teardown time.
*/
private Closeable mount;
@Before
public void setup() throws IOException {
mountedDir = new File(System.getProperty("java.io.tmpdir"), "JBossVFSDirTest_" + System.currentTimeMillis());
mountedDir.mkdirs();
RealFileSystem mountedDirVfs = new RealFileSystem(mountedDir);
mount = VFS.mount(getJBossVfsMountPoint(), mountedDirVfs);
}
private VirtualFile getJBossVfsMountPoint() {
return VFS.getRootVirtualFile().getChild("mnt");
}
@After
public void teardown() throws IOException {
mount.close();
areEmDashAreEff(mountedDir);
}
@Test
public void testEmptyVfsDirListing() throws Exception {
JBossVfsDir jbvd = new JBossVfsDir(getJBossVfsMountPoint().asDirectoryURL());
int count = 0;
for (org.jboss.errai.reflections.vfs.Vfs.File reflectionsFile : jbvd.getFiles()) {
System.out.println("Visiting virtual file " + reflectionsFile.getRelativePath());
count++;
}
Assert.assertEquals("Didn't find the expected number of VFS entries", 0, count);
}
@Test
public void testShallowVfsDirListing() throws Exception {
new File(mountedDir, "foo").createNewFile();
new File(mountedDir, "bar").createNewFile();
new File(mountedDir, "baz").createNewFile();
JBossVfsDir jbvd = new JBossVfsDir(getJBossVfsMountPoint().asDirectoryURL());
int count = 0;
for (org.jboss.errai.reflections.vfs.Vfs.File reflectionsFile : jbvd.getFiles()) {
System.out.println("Visiting virtual file " + reflectionsFile.getRelativePath());
count++;
}
Assert.assertEquals("Didn't find the expected number of VFS entries", 3, count);
}
/**
* Regression test for ERRAI-163.
*/
@Test
public void testNestedEmptyVfsDirListing() throws Exception {
new File(mountedDir, "deeply/nested/directories").mkdirs();
JBossVfsDir jbvd = new JBossVfsDir(getJBossVfsMountPoint().asDirectoryURL());
int count = 0;
for (org.jboss.errai.reflections.vfs.Vfs.File reflectionsFile : jbvd.getFiles()) {
System.out.println("Visiting virtual file " + reflectionsFile.getRelativePath());
count++;
}
Assert.assertEquals("All dirs were empty, but got non-zero count", 0, count);
}
/**
* Simple "rm -rf" equivalent, implemented for the 12,433rd time in Java.
*
* @param deleteMe
* The directory to delete. This directory itself and all contents will be removed from the filesystem.
*/
private static void areEmDashAreEff(File deleteMe) {
for (File child : deleteMe.listFiles()) {
if (child.isDirectory()) {
areEmDashAreEff(child);
}
else {
child.delete();
}
}
deleteMe.delete();
}
@Test
public void testRejectNonJBossVfsUrl() throws Exception {
try {
new JBossVfsDir(new File(System.getProperty("java.io.tmpdir")).toURI().toURL());
Assert.fail("Shouldn't have been able to create JBossVfsDir from regular file: URL");
}
catch (IllegalArgumentException ex) {
// expected outcome
}
}
@Test
public void testVfsFullPath() throws Exception {
new File(mountedDir, "foo").createNewFile();
JBossVfsDir jbvd = new JBossVfsDir(getJBossVfsMountPoint().asDirectoryURL());
String path = jbvd.getFiles().iterator().next().getFullPath();
Assert.assertTrue("Wrong path:" + path, path.matches("/([A-Za-z]:/)?mnt/foo"));
}
@Test
public void testVfsRelativePath() throws Exception {
new File(mountedDir, "foo").createNewFile();
JBossVfsDir jbvd = new JBossVfsDir(getJBossVfsMountPoint().asDirectoryURL());
String path = jbvd.getFiles().iterator().next().getRelativePath();
Assert.assertTrue("Wrong path:" + path, path.matches("/([A-Za-z]:/)?mnt/foo"));
}
@Test
public void testVfsFileName() throws Exception {
new File(mountedDir, "foo").createNewFile();
JBossVfsDir jbvd = new JBossVfsDir(getJBossVfsMountPoint().asDirectoryURL());
assertEquals("foo", jbvd.getFiles().iterator().next().getName());
}
}