diff --git a/tests/rust/wasm32-wasip3/src/bin/filesystem-metadata-hash.json b/tests/rust/wasm32-wasip3/src/bin/filesystem-metadata-hash.json new file mode 100644 index 00000000..ff216a75 --- /dev/null +++ b/tests/rust/wasm32-wasip3/src/bin/filesystem-metadata-hash.json @@ -0,0 +1,3 @@ +{ + "dirs": ["fs-tests.dir"] +} diff --git a/tests/rust/wasm32-wasip3/src/bin/filesystem-metadata-hash.rs b/tests/rust/wasm32-wasip3/src/bin/filesystem-metadata-hash.rs new file mode 100644 index 00000000..1a321883 --- /dev/null +++ b/tests/rust/wasm32-wasip3/src/bin/filesystem-metadata-hash.rs @@ -0,0 +1,139 @@ +use std::process; +extern crate wit_bindgen; + +wit_bindgen::generate!({ + inline: r" + package test:test; + + world test { + include wasi:filesystem/imports@0.3.0-rc-2025-09-16; + include wasi:cli/command@0.3.0-rc-2025-09-16; + } +", + additional_derives: [PartialEq, Eq, Hash, Clone], + // Work around https://github.com/bytecodealliance/wasm-tools/issues/2285. + features:["clocks-timezone"], + generate_all +}); + +use wasi::filesystem::types::Descriptor; +use wasi::filesystem::types::{DescriptorFlags, ErrorCode, OpenFlags, PathFlags}; + +async fn check_metadata_hash(a: &Descriptor, b: &Descriptor) { + let a_hash = a.metadata_hash().await; + let b_hash = b.metadata_hash().await; + if a_hash.is_ok() && a_hash == b_hash { + assert_eq!(a.stat().await.unwrap(), b.stat().await.unwrap()); + } +} + +async fn check_metadata_hash_at( + a: &Descriptor, + a_flags: PathFlags, + a_name: &str, + b: &Descriptor, + b_flags: PathFlags, + b_name: &str, +) { + let a_hash = a.metadata_hash_at(a_flags, a_name.to_string()).await; + let b_hash = b.metadata_hash_at(b_flags, b_name.to_string()).await; + if a_hash.is_ok() && a_hash == b_hash { + assert_eq!( + a.stat_at(a_flags, a_name.to_string()).await.unwrap(), + b.stat_at(b_flags, b_name.to_string()).await.unwrap() + ); + } +} + +async fn test_metadata_hash(dir: &Descriptor) { + let afd = dir + .open_at( + PathFlags::empty(), + "a.txt".to_string(), + OpenFlags::empty(), + DescriptorFlags::READ, + ) + .await + .unwrap(); + let bfd = dir + .open_at( + PathFlags::empty(), + "b.txt".to_string(), + OpenFlags::empty(), + DescriptorFlags::READ, + ) + .await + .unwrap(); + + // metadata-hash: async func() -> result; + check_metadata_hash(dir, dir).await; + check_metadata_hash(dir, &afd).await; + check_metadata_hash(&afd, &afd).await; + check_metadata_hash(&afd, &bfd).await; + + // metadata-hash-at: async func(path-flags: path-flags, path: string) -> result; + // FIXME: https://github.com/bytecodealliance/wasmtime/issues/11606 + // assert_eq!(dir.metadata_hash_at(PathFlags::empty(), "/".to_string()).await, + // Err(ErrorCode::NotPermitted)); + assert_eq!(dir.metadata_hash_at(PathFlags::empty(), "".to_string()).await, + Err(ErrorCode::NoEntry)); + assert_eq!( + dir.metadata_hash_at(PathFlags::empty(), "/etc/passwd".to_string()) + .await, + Err(ErrorCode::NotPermitted) + ); + assert_eq!( + dir.metadata_hash_at(PathFlags::empty(), "/does-not-exist".to_string()) + .await, + Err(ErrorCode::NotPermitted) + ); + check_metadata_hash_at(dir, PathFlags::empty(), ".", dir, PathFlags::empty(), ".").await; + check_metadata_hash_at( + dir, + PathFlags::empty(), + "a.txt", + dir, + PathFlags::empty(), + ".", + ) + .await; + check_metadata_hash_at( + dir, + PathFlags::empty(), + "a.txt", + dir, + PathFlags::empty(), + "a.txt", + ) + .await; + check_metadata_hash_at( + dir, + PathFlags::empty(), + "a.txt", + dir, + PathFlags::empty(), + "b.txt", + ) + .await; +} + +struct Component; +export!(Component); +impl exports::wasi::cli::run::Guest for Component { + async fn run() -> Result<(), ()> { + match &wasi::filesystem::preopens::get_directories()[..] { + [(dir, dirname)] if dirname == "fs-tests.dir" => { + test_metadata_hash(dir).await; + } + [..] => { + eprintln!("usage: run with one open dir named 'fs-tests.dir'"); + process::exit(1) + } + }; + Ok(()) + } +} + +fn main() { + unreachable!("main is a stub"); +}