Validate npm package structure

Author: kateinoigakukun

packages/npm-packages/ruby-wasm-wasi/test/package.test.ts

@@ -0,0 +1,48 @@
+import fs from "fs/promises";
+import path from "path";
+import { WASI } from "wasi";
+import { RubyVM } from "../dist/index.umd.js";
+
+const initRubyVM = async (rubyModule: WebAssembly.Module, args: string[]) => {
+  const wasi = new WASI();
+  const vm = new RubyVM();
+  const imports = {
+    wasi_snapshot_preview1: wasi.wasiImport,
+  };
+
+  vm.addToImports(imports);
+
+  const instance = await WebAssembly.instantiate(rubyModule, imports);
+
+  await vm.setInstance(instance);
+
+  wasi.initialize(instance);
+  vm.initialize();
+
+  return {
+    vm,
+    wasi,
+    instance,
+  };
+};
+
+describe("Packaging validation", () => {
+  jest.setTimeout(20 /*sec*/ * 1000);
+
+  test.each([
+    { file: "ruby+stdlib.wasm", stdlib: true },
+    { file: "ruby.debug.wasm", stdlib: false },
+    { file: "ruby.debug+stdlib.wasm", stdlib: true },
+  ])("Load all variants", async ({ file, stdlib }) => {
+    const binary = await fs.readFile(path.join(__dirname, `./../dist/${file}`));
+    const mod = await WebAssembly.compile(binary.buffer);
+    const { vm } = await initRubyVM(mod, ["ruby.wasm", "-e_=0"]);
+    // Check loading ext library
+    vm.eval(`require "stringio"`)
+    if (stdlib) {
+      // Check loading stdlib gem
+      vm.eval(`require "English"`)
+    }
+  });
+
+});