chore: import upstream snapshot with attribution

fixtures/create-test-harness-example/workers/api/index.ts

@@ -0,0 +1,97 @@
+import { WorkerEntrypoint } from "cloudflare:workers";
+
+type Env = {
+	STORE: KVNamespace;
+	DATABASE: D1Database;
+};
+
+type User = {
+	id: string;
+	name: string;
+};
+
+/**
+ * API Worker: fetches users from an upstream service, caches them in KV, and generates daily reports on a schedule.
+ */
+export default class ApiWorker extends WorkerEntrypoint<Env> {
+	async fetch(request: Request) {
+		const url = new URL(request.url);
+		const userPathPrefix = "/v1/users/";
+
+		if (url.pathname.startsWith(userPathPrefix)) {
+			const userId = url.pathname.slice(userPathPrefix.length);
+			return Response.json(await this.getUser(userId));
+		}
+
+		const reportPathPrefix = "/v1/reports/";
+
+		if (url.pathname.startsWith(reportPathPrefix)) {
+			const date = url.pathname.slice(reportPathPrefix.length);
+			const report = await this.getDailyReport(date);
+
+			if (report === null) {
+				return Response.json({ error: "No report" }, { status: 404 });
+			}
+
+			return Response.json(report);
+		}
+
+		return new Response("Not Found", { status: 404 });
+	}
+
+	async scheduled(event: ScheduledController) {
+		if (event.cron !== "0 0 * * *") {
+			throw new Error(`Unexpected cron: ${event.cron}`);
+		}
+
+		const date = new Date(event.scheduledTime).toISOString().slice(0, 10);
+		const list = await this.env.STORE.list({ prefix: "user/" });
+		const userIds = list.keys.map((key) => key.name.slice("user/".length));
+
+		await this.env.DATABASE.prepare(
+			"INSERT OR REPLACE INTO daily_reports (date, user_ids) VALUES (?, ?)"
+		)
+			.bind(date, JSON.stringify(userIds))
+			.run();
+		console.info(`Generated daily report for ${date}`);
+
+		for (const key of list.keys) {
+			await this.env.STORE.delete(key.name);
+		}
+	}
+
+	async getUser(userId: string): Promise<User> {
+		const key = `user/${userId}`;
+		const cachedUser = await this.env.STORE.get<User>(key, {
+			type: "json",
+		});
+
+		if (cachedUser !== null) {
+			return cachedUser;
+		}
+
+		const upstreamResponse = await fetch(
+			`http://identity.example.com/profile/${userId}`
+		);
+		const user = await upstreamResponse.json<User>();
+
+		await this.env.STORE.put(key, JSON.stringify(user));
+
+		return user;
+	}
+
+	async getDailyReport(date: string) {
+		const report = await this.env.DATABASE.prepare(
+			"SELECT user_ids FROM daily_reports WHERE date = ?"
+		)
+			.bind(date)
+			.first<{ user_ids: string }>();
+
+		if (report === null) {
+			return null;
+		}
+
+		const userIds: string[] = JSON.parse(report.user_ids);
+		return userIds;
+	}
+}

fixtures/create-test-harness-example/workers/api/migrations/0001_reports.sql

@@ -0,0 +1,4 @@
+CREATE TABLE daily_reports (
+	date TEXT PRIMARY KEY,
+	user_ids TEXT NOT NULL
+);

fixtures/create-test-harness-example/workers/api/worker-configuration.d.ts

@@ -0,0 +1,13 @@
+/* eslint-disable */
+// Generated by Wrangler by running `wrangler types --config=./workers/api/wrangler.jsonc --include-runtime=false --env-interface=ApiEnv ./workers/api/worker-configuration.d.ts` (hash: 14b9b34fa5935bf62d0e0be93efbdb85)
+interface __BaseEnv_ApiEnv {
+	STORE: KVNamespace;
+	DATABASE: D1Database;
+}
+declare namespace Cloudflare {
+	interface GlobalProps {
+		mainModule: typeof import("./index");
+	}
+	interface Env extends __BaseEnv_ApiEnv {}
+}
+interface ApiEnv extends __BaseEnv_ApiEnv {}

fixtures/create-test-harness-example/workers/api/wrangler.jsonc

@@ -0,0 +1,14 @@
+{
+	"name": "api-worker",
+	"main": "index.ts",
+	"compatibility_date": "2026-06-01",
+	"routes": ["api.example.com/v1/*"],
+	"kv_namespaces": [{ "binding": "STORE", "id": "shared-store" }],
+	"d1_databases": [
+		{
+			"binding": "DATABASE",
+			"database_name": "report-database",
+			"database_id": "fake-database-id",
+		},
+	],
+}