Formatting
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842514da85
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6339f94836
5 changed files with 69 additions and 71 deletions
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@ -32,14 +32,14 @@ pub fn get_api_handler(collection: Arc<Mutex<Collection>>) -> Mount {
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mount.mount("/browse/", move |request: &mut Request| {
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let mut acquired_collection = collection.deref().lock().unwrap();
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self::browse(request, acquired_collection.deref_mut())
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} );
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});
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}
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{
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let collection = collection.clone();
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mount.mount("/flatten/", move |request: &mut Request| {
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let mut acquired_collection = collection.deref().lock().unwrap();
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self::flatten(request, acquired_collection.deref_mut())
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} );
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});
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}
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mount
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}
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@ -26,9 +26,7 @@ pub struct Collection {
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impl Collection {
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pub fn new() -> Collection {
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Collection{
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vfs: Vfs::new(),
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}
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Collection { vfs: Vfs::new() }
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}
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pub fn mount(&mut self, name: &str, real_path: &Path) -> Result<(), CollectionError> {
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@ -49,17 +47,14 @@ impl Collection {
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let file_path = file_path.as_path();
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if file_meta.is_file() {
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let virtual_path = try!(self.vfs.real_to_virtual(file_path));
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let path_string = try!(virtual_path.to_str().ok_or(CollectionError::PathDecoding));
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let collection_file = CollectionFile::Song(Song {
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path: path_string.to_string(),
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});
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let path_string = try!(virtual_path.to_str().ok_or(CollectionError::PathDecoding));
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let collection_file = CollectionFile::Song(Song { path: path_string.to_string() });
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out.push(collection_file);
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} else if file_meta.is_dir() {
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let virtual_path = try!(self.vfs.real_to_virtual(file_path));
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let path_string = try!(virtual_path.to_str().ok_or(CollectionError::PathDecoding));
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let collection_file = CollectionFile::Directory(Directory {
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path: path_string.to_string(),
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});
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let path_string = try!(virtual_path.to_str().ok_or(CollectionError::PathDecoding));
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let collection_file =
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CollectionFile::Directory(Directory { path: path_string.to_string() });
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out.push(collection_file);
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}
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}
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17
src/error.rs
17
src/error.rs
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@ -3,8 +3,7 @@ use std::fmt;
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use std::io;
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#[derive(Debug)]
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pub enum CollectionError
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{
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pub enum CollectionError {
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PathDecoding,
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Io(io::Error),
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ConflictingMount,
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@ -22,7 +21,9 @@ impl error::Error for CollectionError {
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match *self {
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CollectionError::Io(ref err) => err.description(),
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CollectionError::PathDecoding => "Error while decoding a Path as a UTF-8 string",
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CollectionError::ConflictingMount => "Attempting to mount multiple directories under the same name",
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CollectionError::ConflictingMount => {
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"Attempting to mount multiple directories under the same name"
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}
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CollectionError::PathNotInVfs => "Requested path does not index a mount point",
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}
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}
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@ -42,8 +43,12 @@ impl fmt::Display for CollectionError {
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match *self {
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CollectionError::Io(ref err) => write!(f, "IO error: {}", err),
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CollectionError::PathDecoding => write!(f, "Path decoding error"),
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CollectionError::ConflictingMount => write!(f, "Mount point already has a target directory"),
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CollectionError::PathNotInVfs => write!(f, "Requested path does not index a mount point"),
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CollectionError::ConflictingMount => {
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write!(f, "Mount point already has a target directory")
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}
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CollectionError::PathNotInVfs => {
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write!(f, "Requested path does not index a mount point")
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}
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}
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}
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}
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}
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@ -28,7 +28,7 @@ fn main() {
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let collection = Arc::new(Mutex::new(collection));
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let mut mount = Mount::new();
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let api_handler = get_api_handler( collection );
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let api_handler = get_api_handler(collection);
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mount.mount("/static/", Static::new("samplemusic/"))
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.mount("/api/", api_handler);
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100
src/vfs.rs
100
src/vfs.rs
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@ -5,72 +5,70 @@ use std::path::Path;
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use error::*;
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pub struct Vfs {
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mount_points: HashMap<String, PathBuf>,
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mount_points: HashMap<String, PathBuf>,
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}
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impl Vfs {
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pub fn new() -> Vfs {
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let instance = Vfs {
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mount_points: HashMap::new(),
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};
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instance
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}
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pub fn new() -> Vfs {
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let instance = Vfs { mount_points: HashMap::new() };
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instance
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}
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pub fn mount(&mut self, name: &str, real_path: &Path) -> Result<(), CollectionError> {
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let name = name.to_string();
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if self.mount_points.contains_key(&name) {
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return Err(CollectionError::ConflictingMount);
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}
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self.mount_points.insert(name, real_path.to_path_buf());
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Ok(())
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}
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pub fn mount(&mut self, name: &str, real_path: &Path) -> Result<(), CollectionError> {
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let name = name.to_string();
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if self.mount_points.contains_key(&name) {
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return Err(CollectionError::ConflictingMount);
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}
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self.mount_points.insert(name, real_path.to_path_buf());
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Ok(())
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}
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pub fn real_to_virtual(&self, real_path: &Path) -> Result<PathBuf, CollectionError> {
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for (name, target) in &self.mount_points {
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match real_path.strip_prefix(target) {
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Ok(p) => {
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let mount_path = Path::new(&name);
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return Ok(mount_path.join(p));
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},
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Err(_) => (),
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}
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}
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Err(CollectionError::PathNotInVfs)
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}
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pub fn real_to_virtual(&self, real_path: &Path) -> Result<PathBuf, CollectionError> {
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for (name, target) in &self.mount_points {
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match real_path.strip_prefix(target) {
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Ok(p) => {
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let mount_path = Path::new(&name);
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return Ok(mount_path.join(p));
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}
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Err(_) => (),
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}
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}
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Err(CollectionError::PathNotInVfs)
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}
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pub fn virtual_to_real(&self, virtual_path: &Path) -> Result<PathBuf, CollectionError> {
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for (name, target) in &self.mount_points {
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let mount_path = Path::new(&name);
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match virtual_path.strip_prefix(mount_path) {
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Ok(p) => return Ok(target.join(p)),
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Err(_) => (),
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}
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}
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Err(CollectionError::PathNotInVfs)
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}
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pub fn virtual_to_real(&self, virtual_path: &Path) -> Result<PathBuf, CollectionError> {
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for (name, target) in &self.mount_points {
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let mount_path = Path::new(&name);
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match virtual_path.strip_prefix(mount_path) {
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Ok(p) => return Ok(target.join(p)),
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Err(_) => (),
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}
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}
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Err(CollectionError::PathNotInVfs)
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}
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}
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#[test]
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fn test_mount() {
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let mut vfs = Vfs::new();
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assert!(vfs.mount("root", Path::new("test_dir")).is_ok());
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assert!(vfs.mount("root", Path::new("another_dir")).is_err());
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let mut vfs = Vfs::new();
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assert!(vfs.mount("root", Path::new("test_dir")).is_ok());
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assert!(vfs.mount("root", Path::new("another_dir")).is_err());
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}
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#[test]
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fn test_virtual_to_real() {
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let mut vfs = Vfs::new();
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assert!(vfs.mount("root", Path::new("test_dir")).is_ok());
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let correct_path = Path::new("test_dir/somewhere/something.png");
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let found_path = vfs.virtual_to_real(Path::new("root/somewhere/something.png")).unwrap();
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assert!(found_path == correct_path);
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let mut vfs = Vfs::new();
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assert!(vfs.mount("root", Path::new("test_dir")).is_ok());
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let correct_path = Path::new("test_dir/somewhere/something.png");
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let found_path = vfs.virtual_to_real(Path::new("root/somewhere/something.png")).unwrap();
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assert!(found_path == correct_path);
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}
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#[test]
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fn test_real_to_virtual() {
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let mut vfs = Vfs::new();
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assert!(vfs.mount("root", Path::new("test_dir")).is_ok());
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let correct_path = Path::new("root/somewhere/something.png");
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let found_path = vfs.real_to_virtual(Path::new("test_dir/somewhere/something.png")).unwrap();
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assert!(found_path == correct_path);
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}
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let mut vfs = Vfs::new();
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assert!(vfs.mount("root", Path::new("test_dir")).is_ok());
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let correct_path = Path::new("root/somewhere/something.png");
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let found_path = vfs.real_to_virtual(Path::new("test_dir/somewhere/something.png")).unwrap();
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assert!(found_path == correct_path);
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}
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