fix stream/future tests to handle actual asynchrony (#179)

Due to the `wit-dylib` issue that
bytecodealliance/wasm-tools#2371 addresses, these tests
weren't actually testing what I thought they were.  Fixing that revealed a
couple of bugs involving stream writes, which this fixes.

Also, bump version to 0.19.2

Signed-off-by: Joel Dice <[email protected]>

Author: dicej

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "componentize-py"
-version = "0.19.1"
+version = "0.19.2"
 edition = "2024"
 exclude = ["cpython"]
 
@@ -14,12 +14,15 @@ clap = { version = "4.5.20", features = ["derive"] }
 tar = "0.4.42"
 tempfile = "3.13.0"
 zstd = "0.13.2"
-# TODO: switch to wasm-tools release once https://github.com/bytecodealliance/wasm-tools/pull/2367 has been merged and released
-wasm-encoder = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "fac9fb50", features = ["wasmparser"] }
-wit-dylib = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "fac9fb50" }
-wit-parser = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "fac9fb50" }
-wit-component = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "fac9fb50" }
-wasmparser = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "fac9fb50" }
+# TODO: switch to wasm-tools release once
+# https://github.com/bytecodealliance/wasm-tools/pull/2367 and
+# https://github.com/bytecodealliance/wasm-tools/pull/2371 have been merged and
+# released
+wasm-encoder = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "37f05db5", features = ["wasmparser"] }
+wit-dylib = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "37f05db5" }
+wit-parser = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "37f05db5" }
+wit-component = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "37f05db5" }
+wasmparser = { git = "https://github.com/bytecodealliance/wasm-tools", rev = "37f05db5" }
 indexmap = "2.6.0"
 bincode = "1.3.3"
 heck = "0.5.0"

Cargo.toml

@@ -483,6 +483,9 @@ def callback(event0: int, event1: int, event2: int) -> int:
                 case _:
                     # todo
                     raise NotImplementedError
+        case _Event.STREAM_READ | _Event.STREAM_WRITE | _Event.FUTURE_READ | _Event.FUTURE_WRITE:
+            componentize_py_runtime.waitable_join(event1, 0)
+            future_state.futures.pop(event1).set_result(event2)
         case _:
             # todo
             raise NotImplementedError

bundled/componentize_py_async_support/__init__.py

@@ -10,15 +10,15 @@ run a Python-based component targetting the [wasi-cli] `command` world.
 ## Prerequisites
 
 * `Wasmtime` 38.0.0 or later
-* `componentize-py` 0.19.1
+* `componentize-py` 0.19.2
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.19.1
+pip install componentize-py==0.19.2
 ```
 
 ## Running the demo

examples/cli/README.md

@@ -11,15 +11,15 @@ run a Python-based component targetting version `0.3.0-rc-2025-09-16` of the
 ## Prerequisites
 
 * `Wasmtime` 38.0.0 or later
-* `componentize-py` 0.19.1
+* `componentize-py` 0.19.2
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.19.1
+pip install componentize-py==0.19.2
 ```
 
 ## Running the demo

examples/http-p3/README.md

@@ -10,15 +10,15 @@ run a Python-based component targetting the [wasi-http] `proxy` world.
 ## Prerequisites
 
 * `Wasmtime` 38.0.0 or later
-* `componentize-py` 0.19.1
+* `componentize-py` 0.19.2
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.19.1
+pip install componentize-py==0.19.2
 ```
 
 ## Running the demo

examples/http/README.md

@@ -11,7 +11,7 @@ within a guest component.
 ## Prerequisites
 
 * `wasmtime` 38.0.0 or later
-* `componentize-py` 0.19.1
+* `componentize-py` 0.19.2
 * `NumPy`, built for WASI
 
 Note that we use an unofficial build of NumPy since the upstream project does
@@ -23,7 +23,7 @@ https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.19.1
+pip install componentize-py==0.19.2
 curl -OL https://github.com/dicej/wasi-wheels/releases/download/v0.0.2/numpy-wasi.tar.gz
 tar xf numpy-wasi.tar.gz
 ```

examples/matrix-math/README.md

@@ -8,10 +8,10 @@ sandboxed Python code snippets from within a Python app.
 ## Prerequisites
 
 * `wasmtime-py` 38.0.0 or later
-* `componentize-py` 0.19.1
+* `componentize-py` 0.19.2
 
 ```
-pip install componentize-py==0.19.1 wasmtime==38.0.0
+pip install componentize-py==0.19.2 wasmtime==38.0.0
 ```
 
 ## Running the demo

examples/sandbox/README.md

@@ -11,15 +11,15 @@ making an outbound TCP request using `wasi-sockets`.
 ## Prerequisites
 
 * `Wasmtime` 38.0.0 or later
-* `componentize-py` 0.19.1
+* `componentize-py` 0.19.2
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.19.1
+pip install componentize-py==0.19.2
 ```
 
 ## Running the demo

examples/tcp/README.md

@@ -7,7 +7,7 @@ features = ["pyo3/extension-module"]
 
 [project]
 name = "componentize-py"
-version = "0.19.1"
+version = "0.19.2"
 description = "Tool to package Python applications as WebAssembly components"
 readme = "README.md"
 license = { file = "LICENSE" }