Struct NoopFsBackend 

pub struct NoopFsBackend;

A no-op fs backend for testing only. All methods return FsError::NotPermitted, allowing test scenarios that require Arc<dyn FsBackend> (without actually running fs tools) to skip setup.

In production, use defect_tools::fs::LocalFsBackend or defect_acp::fs::AcpFsBackend.

Trait Implementations

impl FsBackend for NoopFsBackend

fn read_text( &self, _path: PathBuf, _line: Option<u32>, _limit: Option<u32>, ) -> BoxFuture<'_, Result<String, FsError>>

Reads the entire file as UTF-8 text.

fn write_text( &self, _path: PathBuf, _content: String, ) -> BoxFuture<'_, Result<(), FsError>>

Write a UTF-8 text file, overwriting any existing content.

fn read_bytes(&self, path: PathBuf) -> BoxFuture<'_, Result<Vec<u8>, FsError>>

Reads the raw bytes of an entire file. The read_file tool takes this path when it detects a binary type such as an image, passing the bytes to the caller for base64 encoding into a multimodal tool_result.

fn fingerprint( &self, path: PathBuf, ) -> BoxFuture<'_, Result<Fingerprint, FsError>>

Returns a “content fingerprint” used by edit_file to detect concurrent write conflicts in the read–modify–write window.