Test with uwasi implementation (#198)

Author: kateinoigakukun

.github/workflows/test.yml

@@ -20,6 +20,8 @@ jobs:
           - { os: ubuntu-20.04, toolchain: wasm-5.6.0-RELEASE, wasi-backend: Node }
           - { os: ubuntu-20.04, toolchain: wasm-5.5.0-RELEASE, wasi-backend: Wasmer }
           - { os: ubuntu-20.04, toolchain: wasm-5.6.0-RELEASE, wasi-backend: Wasmer }
+          - { os: ubuntu-20.04, toolchain: wasm-5.5.0-RELEASE, wasi-backend: MicroWASI }
+          - { os: ubuntu-20.04, toolchain: wasm-5.6.0-RELEASE, wasi-backend: MicroWASI }
 
     runs-on: ${{ matrix.entry.os }}
     steps:

IntegrationTests/lib.js

@@ -2,6 +2,7 @@ const SwiftRuntime = require("javascript-kit-swift").SwiftRuntime;
 const WasmerWASI = require("@wasmer/wasi").WASI;
 const WasmFs = require("@wasmer/wasmfs").WasmFs;
 const NodeWASI = require("wasi").WASI;
+const { WASI: MicroWASI, useAll } = require("uwasi");
 
 const promisify = require("util").promisify;
 const fs = require("fs");
@@ -43,6 +44,21 @@ const WASI = {
             }
         }
     },
+    MicroWASI: () => {
+        const wasi = new MicroWASI({
+            args: [],
+            env: {},
+            features: [useAll()],
+        })
+
+        return {
+            wasiImport: wasi.wasiImport,
+            start(instance) {
+                wasi.initialize(instance);
+                instance.exports.main();
+            }
+        }
+    },
     Node: () => {
         const wasi = new NodeWASI({
             args: [],

IntegrationTests/package-lock.json

@@ -3,6 +3,7 @@
   "dependencies": {
     "@wasmer/wasi": "^0.12.0",
     "@wasmer/wasmfs": "^0.12.0",
+    "uwasi": "^1.0.0",
     "javascript-kit-swift": "file:.."
   }
 }