Gateway Checker Demo

import { describe, expect, test } from "bun:test";
import { createFetchHandler, type StaticAssets } from "../../src/server/app";

const staticAssets: StaticAssets = {
  indexHtml: new Blob(["<!doctype html><title>Gateway Checker Demo</title><div id=\"root\"></div>"], {
    type: "text/html",
  }),
  files: {
    "/assets/app.js": new Blob(["console.log('demo');"], { type: "text/javascript" }),
  },
};

describe("Bun fullstack runtime", () => {
  const fetchHandler = createFetchHandler({ mode: "test", staticAssets });

  test("/api/demo 返回 JSON demo 响应", async () => {
    const response = await fetchHandler(new Request("http://localhost/api/demo"));
    const body = await response.json();

    expect(response.status).toBe(200);
    expect(response.headers.get("content-type")).toContain("application/json");
    expect(body.message).toContain("/api/demo");
    expect(body.runtime.mode).toBe("test");
  });

  test("/health 返回机器可读健康检查", async () => {
    const response = await fetchHandler(new Request("http://localhost/health"));
    const body = await response.json();

    expect(response.status).toBe(200);
    expect(body.ok).toBe(true);
    expect(body.service).toBe("gateway-checker");
  });

  test("未知 /api/* 路由返回 JSON 404", async () => {
    const response = await fetchHandler(new Request("http://localhost/api/missing"));
    const body = await response.json();

    expect(response.status).toBe(404);
    expect(response.headers.get("content-type")).toContain("application/json");
    expect(body.status).toBe(404);
  });

  test("生产根路径返回前端入口", async () => {
    const response = await fetchHandler(new Request("http://localhost/"));
    const body = await response.text();

    expect(response.status).toBe(200);
    expect(response.headers.get("content-type")).toContain("text/html");
    expect(body).toContain("Gateway Checker Demo");
  });

  test("生产静态资源返回正确内容类型", async () => {
    const response = await fetchHandler(new Request("http://localhost/assets/app.js"));
    const body = await response.text();

    expect(response.status).toBe(200);
    expect(response.headers.get("content-type")).toContain("text/javascript");
    expect(body).toContain("demo");
  });

  test("前端路由 fallback 到入口 HTML", async () => {
    const response = await fetchHandler(new Request("http://localhost/dashboard"));
    const body = await response.text();

    expect(response.status).toBe(200);
    expect(body).toContain("Gateway Checker Demo");
  });
});