test runner

typescript/test-runner/index.test.js

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+import assert from "node:assert/strict";
+import { test } from "node:test";
+
+test("テストが成功する", async () => {
+  assert.strictEqual(1, 1);
+});
+
+const promise = new Promise((resolve) => {
+  resolve("ok");
+});
+test("await を使ったテストが成功する", async () => {
+  assert.strictEqual(await promise, "ok");
+});
+
+test("テストが失敗する", async () => {
+  assert.strictEqual(1, 2);
+});
+
+const promise2 = new Promise((_, reject) => {
+  reject(new Error("ng"));
+});
+test("await を使ったテストが失敗する", async () => {
+  await promise2;
+});
+
+test("falty な値を渡すとテストが成功する", (t, done) => {
+  done(false);
+});
+
+test("truty な値を渡すとテストが失敗する", (t, done) => {
+  done(true);
+});

typescript/test-runner/package.json

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+{
+  "name": "test-runner",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "node --test index.test.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/node": "^22.5.1",
+    "typescript": "^5.5.4"
+  }
+}