public void testSubst() throws Exception {
if (!SystemInfo.isWindows) {
System.err.println("Ignored: Windows required");
return;
}
File targetDir = createTestDir("top");
File subDir = createTestDir(targetDir, "sub");
File file = createTestFile(subDir, "test.txt");
File rootFile = createSubst(targetDir.getAbsolutePath());
VirtualDirectoryImpl.allowRootAccess(rootFile.getPath());
VirtualFile vfsRoot = myFileSystem.findFileByIoFile(rootFile);
try {
assertNotNull(rootFile.getPath(), vfsRoot);
File substDir = new File(rootFile, subDir.getName());
File substFile = new File(substDir, file.getName());
refresh(targetDir);
refresh(substDir);
LocalFileSystem.WatchRequest request = watch(substDir);
try {
myAccept = true;
FileUtil.writeToFile(file, "new content");
assertEvent(VFileContentChangeEvent.class, substFile.getAbsolutePath());
LocalFileSystem.WatchRequest request2 = watch(targetDir);
try {
myAccept = true;
FileUtil.delete(file);
assertEvent(VFileDeleteEvent.class, file.getAbsolutePath(), substFile.getAbsolutePath());
} finally {
unwatch(request2);
}
myAccept = true;
FileUtil.writeToFile(file, "re-creation");
assertEvent(VFileCreateEvent.class, substFile.getAbsolutePath());
} finally {
unwatch(request);
}
} finally {
delete(targetDir);
IoTestUtil.deleteSubst(rootFile.getPath());
if (vfsRoot != null) {
((NewVirtualFile) vfsRoot).markDirty();
myFileSystem.refresh(false);
}
VirtualDirectoryImpl.disallowRootAccess(rootFile.getPath());
}
}
@Override
protected void setUp() throws Exception {
LOG.debug("================== setting up " + getName() + " ==================");
super.setUp();
myFileSystem = LocalFileSystem.getInstance();
assertNotNull(myFileSystem);
myWatcher = ((LocalFileSystemImpl) myFileSystem).getFileWatcher();
assertNotNull(myWatcher);
assertFalse(myWatcher.isOperational());
myWatcher.startup(myNotifier);
assertTrue(myWatcher.isOperational());
myAlarm = new Alarm(Alarm.ThreadToUse.POOLED_THREAD, getProject());
myTimeout = NATIVE_PROCESS_DELAY;
myConnection = ApplicationManager.getApplication().getMessageBus().connect();
myConnection.subscribe(
VirtualFileManager.VFS_CHANGES,
new BulkFileListener.Adapter() {
@Override
public void after(@NotNull List<? extends VFileEvent> events) {
synchronized (myEvents) {
myEvents.addAll(events);
}
}
});
((LocalFileSystemImpl) myFileSystem).cleanupForNextTest();
LOG = FileWatcher.getLog();
LOG.debug("================== setting up " + getName() + " ==================");
}
private List<VFileEvent> getEvents(String msg, @Nullable Runnable action) {
LOG.debug("** waiting for " + msg);
myAccept = true;
if (action != null) {
action.run();
}
int timeout = myTimeout;
try {
synchronized (myWaiter) {
//noinspection WaitNotInLoop
myWaiter.wait(timeout);
}
} catch (InterruptedException e) {
LOG.warn(e);
}
LOG.debug("** waited for " + timeout);
myFileSystem.refresh(false);
ArrayList<VFileEvent> result;
synchronized (myEvents) {
result = new ArrayList<VFileEvent>(myEvents);
myEvents.clear();
}
LOG.debug("** events: " + result.size());
return result;
}
@NotNull
private VirtualFilePointer create(
@Nullable VirtualFile file,
@NotNull String url,
@NotNull final Disposable parentDisposable,
@Nullable VirtualFilePointerListener listener) {
String protocol;
VirtualFileSystem fileSystem;
if (file == null) {
protocol = VirtualFileManager.extractProtocol(url);
fileSystem = myVirtualFileManager.getFileSystem(protocol);
} else {
protocol = null;
fileSystem = file.getFileSystem();
}
if (fileSystem == TempFileSystem.getInstance()) {
// for tests, recreate always since
VirtualFile found =
fileSystem == null
? null
: file != null ? file : VirtualFileManager.getInstance().findFileByUrl(url);
return new IdentityVirtualFilePointer(found, url);
}
if (fileSystem != LocalFileSystem.getInstance() && fileSystem != JarFileSystem.getInstance()) {
// we are unable to track alien file systems for now
VirtualFile found =
fileSystem == null
? null
: file != null ? file : VirtualFileManager.getInstance().findFileByUrl(url);
// if file is null, this pointer will never be alive
return getOrCreateIdentity(url, found);
}
String path;
if (file == null) {
path = VirtualFileManager.extractPath(url);
path = cleanupPath(path, protocol);
url = VirtualFileManager.constructUrl(protocol, path);
} else {
path = file.getPath();
// url has come from VirtualFile.getUrl() and is good enough
}
VirtualFilePointerImpl pointer = getOrCreate(file, url, parentDisposable, listener, path);
int newCount = pointer.incrementUsageCount();
if (newCount == 1) {
Disposer.register(parentDisposable, pointer);
} else {
// already registered
register(parentDisposable, pointer);
}
return pointer;
}
private void delete(File file) throws IOException {
VirtualFile vFile = myFileSystem.findFileByIoFile(file);
if (vFile != null) {
AccessToken token = ApplicationManager.getApplication().acquireWriteActionLock(getClass());
try {
vFile.delete(this);
} finally {
token.finish();
}
}
if (file.exists()) {
FileUtil.delete(file);
}
}
private VirtualFile refresh(File file) {
VirtualFile vFile = myFileSystem.refreshAndFindFileByIoFile(file);
assertNotNull(file.toString(), vFile);
VfsUtilCore.visitChildrenRecursively(
vFile,
new VirtualFileVisitor() {
@Override
public boolean visitFile(@NotNull VirtualFile file) {
file.getChildren();
return true;
}
});
return vFile;
}
@Override
@Nullable
public VirtualFileSystemEntry findRoot(
@NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
if (basePath.isEmpty()) {
LOG.error("Invalid root, fs=" + fs);
return null;
}
String rootUrl = normalizeRootUrl(basePath, fs);
myRootsLock.readLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
} finally {
myRootsLock.readLock().unlock();
}
final VirtualFileSystemEntry newRoot;
int rootId = FSRecords.findRootRecord(rootUrl);
VfsData.Segment segment = VfsData.getSegment(rootId, true);
VfsData.DirectoryData directoryData = new VfsData.DirectoryData();
if (fs instanceof ArchiveFileSystem) {
String parentPath =
basePath.substring(0, basePath.indexOf(ArchiveFileSystem.ARCHIVE_SEPARATOR));
VirtualFile parentFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
if (parentFile == null) return null;
FileType type = FileTypeRegistry.getInstance().getFileTypeByFileName(parentFile.getName());
if (!(type instanceof ArchiveFileType)) return null;
newRoot = new ArchiveRoot(fs, rootId, segment, directoryData, parentFile);
} else {
newRoot = new FsRoot(fs, rootId, segment, directoryData, basePath);
}
FileAttributes attributes =
fs.getAttributes(
new StubVirtualFile() {
@NotNull
@Override
public String getPath() {
return newRoot.getPath();
}
@Nullable
@Override
public VirtualFile getParent() {
return null;
}
});
if (attributes == null || !attributes.isDirectory()) {
return null;
}
boolean mark = false;
myRootsLock.writeLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
VfsData.initFile(rootId, segment, -1, directoryData);
mark = writeAttributesToRecord(rootId, 0, newRoot, fs, attributes);
myRoots.put(rootUrl, newRoot);
myRootsById.put(rootId, newRoot);
} finally {
myRootsLock.writeLock().unlock();
}
if (!mark && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
newRoot.markDirtyRecursively();
}
LOG.assertTrue(
rootId == newRoot.getId(),
"root=" + newRoot + " expected=" + rootId + " actual=" + newRoot.getId());
return newRoot;
}
@Override
@Nullable
public VirtualFileSystemEntry findRoot(
@NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
String rootUrl = normalizeRootUrl(basePath, fs);
boolean isFakeRoot = basePath.isEmpty();
VirtualFileSystemEntry root;
myRootsLock.readLock().lock();
try {
root = isFakeRoot ? mySuperRoot : myRoots.get(rootUrl);
if (root != null) return root;
} finally {
myRootsLock.readLock().unlock();
}
myRootsLock.writeLock().lock();
try {
root = isFakeRoot ? mySuperRoot : myRoots.get(rootUrl);
if (root != null) return root;
int rootId = FSRecords.findRootRecord(rootUrl);
root = myRootsById.get(rootId);
if (root != null) return root;
if (isFakeRoot) {
// fake super-root
root = new FakeRoot(fs, rootId);
} else if (fs instanceof JarFileSystem) {
// optimization: for jar roots do not store base path in the myName field, use local FS
// file's getPath()
String parentPath = basePath.substring(0, basePath.indexOf(JarFileSystem.JAR_SEPARATOR));
VirtualFile parentLocalFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
if (parentLocalFile == null) return null;
// check one more time since the findFileByPath could have created the root (by reentering
// the findRoot)
root = myRoots.get(rootUrl);
if (root != null) return root;
root = myRootsById.get(rootId);
if (root != null) return root;
root = new JarRoot(fs, rootId, parentLocalFile);
} else {
root = new FsRoot(fs, rootId, basePath);
}
if (isFakeRoot) {
mySuperRoot = root;
} else {
FileAttributes attributes = fs.getAttributes(root);
if (attributes == null || !attributes.isDirectory()) {
return null;
}
final boolean newRoot = writeAttributesToRecord(rootId, 0, root, fs, attributes);
if (!newRoot && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
root.markDirtyRecursively();
}
myRoots.put(rootUrl, root);
myRootsById.put(rootId, root);
if (rootId != root.getId()) throw new AssertionError();
}
return root;
} finally {
myRootsLock.writeLock().unlock();
}
}