Add test runs for examples

Author: benbrandt

.github/workflows/test.yaml

@@ -82,3 +82,14 @@ jobs:
       - name: Test
         shell: bash
         run: COMPONENTIZE_PY_TEST_COUNT=20 PROPTEST_MAX_SHRINK_ITERS=0 cargo test --release
+
+      - uses: taiki-e/install-action@v2
+        with:
+          tool: wasmtime-cli
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - run: pip install wasmtime
+      - name: Test examples
+        shell: bash
+        run: bash .github/workflows/test_examples.sh

.github/workflows/test_examples.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+set -euo pipefail
+
+export COMPONENTIZE_PY_TEST_COUNT=0
+export COMPONENTIZE_PY_TEST_SEED=bc6ad1950594f1fe477144ef5b3669dd5962e49de4f3b666e5cbf9072507749a
+export WASMTIME_BACKTRACE_DETAILS=1
+
+cargo build --release
+
+# CLI
+(cd examples/cli \
+    && ../../target/release/componentize-py -d ../../wit -w wasi:cli/command@0.2.0 componentize app -o cli.wasm \
+    && wasmtime run cli.wasm)
+
+# HTTP
+# Just compiling for now
+(cd examples/http \
+    && ../../target/release/componentize-py -d ../../wit -w wasi:http/proxy@0.2.0 componentize app -o http.wasm)
+
+# Matrix Math
+(cd examples/matrix-math \
+    && curl -OL https://github.com/dicej/wasi-wheels/releases/download/v0.0.1/numpy-wasi.tar.gz \
+    && tar xf numpy-wasi.tar.gz \
+    && ../../target/release/componentize-py -d ../../wit -w matrix-math componentize app -o matrix-math.wasm \
+    && wasmtime run matrix-math.wasm '[[1, 2], [4, 5], [6, 7]]' '[[1, 2, 3], [4, 5, 6]]')
+
+# Sandbox
+(cd examples/sandbox \
+    && ../../target/release/componentize-py -d sandbox.wit componentize --stub-wasi guest -o sandbox.wasm \
+    && python -m wasmtime.bindgen sandbox.wasm --out-dir sandbox \
+    && python host.py "2 + 2")
+
+# TCP
+# Just compiling for now
+(cd examples/tcp \
+    && ../../target/release/componentize-py -d ../../wit -w wasi:cli/command@0.2.0 componentize app -o tcp.wasm)