Struct InMemoryFileSystem 

pub struct InMemoryFileSystem { /* private fields */ }

In-memory filesystem for testing without touching real files.

Implementations

impl InMemoryFileSystem

pub fn new() -> Self

Creates a new empty in-memory filesystem.

pub fn add_file(&self, path: impl AsRef<Path>, content: impl Into<String>)

Adds a file with the given content.

pub fn files(&self) -> HashMap<PathBuf, String>

Returns all files in the filesystem.

Trait Implementations

impl Clone for InMemoryFileSystem

fn clone(&self) -> InMemoryFileSystem

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InMemoryFileSystem

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for InMemoryFileSystem

fn default() -> InMemoryFileSystem

Returns the “default value” for a type.

impl FileSystem for InMemoryFileSystem

fn read_to_string(&self, path: &Path) -> Result<String>

Reads the contents of a file as a UTF-8 string.

fn write(&self, path: &Path, contents: &str) -> Result<()>

Writes string contents to a file, creating parent directories as needed.

fn glob(&self, base: &Path, pattern: &str) -> Result<Vec<PathBuf>>

Lists all files matching a glob pattern in a directory.

fn exists(&self, path: &Path) -> bool

Checks if a path exists.

fn create_dir_all(&self, _path: &Path) -> Result<()>

Creates a directory and all parent directories.