import { join } from "../../path/mod.ts";import { assert } from "../../testing/asserts.ts";
const env = { DENO_NODE_COMPAT_URL: new URL("../../", import.meta.url).href,};const yarnUrl = new URL("./yarn.js", import.meta.url).href;
Deno.test("integration test of compat mode", { ignore: Deno.build.os === "windows",}, async (t) => { const tempDir = await Deno.makeTempDir(); const opts = { env, cwd: tempDir }; const npmPath = join(tempDir, "node_modules", "npm"); const expressPath = join(tempDir, "node_modules", "express"); await t.step("yarn add npm", async () => { await exec(`deno run --compat --unstable -A ${yarnUrl} add npm`, opts); const stat = await Deno.lstat(join(npmPath, "package.json")); assert(stat.isFile); }); await t.step("npm install express", async () => { await exec( `deno run --compat --unstable -A ${ join(npmPath, "index.js") } install express`, opts, ); const stat = await Deno.lstat(join(expressPath, "package.json")); assert(stat.isFile); }); await t.step("run express example app", async () => { await Deno.writeTextFile( join(tempDir, "app.js"), ` require("express")() .get("/", (req, res) => res.send("hello")) .listen(3000, async () => { const text = await (await fetch("http://localhost:3000")).text(); if (text === "hello") { process.exit(0); } else { console.error(\`Error: Response text is not 'hello': $\{text}\`); process.exit(1); } }); `, ); await exec(`deno run --compat --unstable -A app.js`, opts); }); await Deno.remove(tempDir, { recursive: true });});
type Opts = Pick<Deno.RunOptions, "env" | "cwd">;function exec(cmd: string, opts: Opts = {}) { return execCmd(cmd.split(" "), opts);}async function execCmd(cmd: string[], opts: Opts) { console.log(`Executing the command: "${cmd.join(" ")}"`); const p = Deno.run({ cmd, stdout: "piped", stderr: "piped", ...opts, }); const [status, output, stderrOutput] = await Promise.all([ p.status(), p.output(), p.stderrOutput(), ]); p.close(); if (status.code !== 0) { console.log(new TextDecoder().decode(output)); console.log(new TextDecoder().decode(stderrOutput)); throw new Error(`The command: "${cmd.join(" ")}" failed`); }}