1import * as Cloudflare from "alchemy/Cloudflare";
2import * as Test from "alchemy/Test/Bun";
3import { expect } from "bun:test";
4import * as Console from "effect/Console";
5import * as Data from "effect/Data";
6import * as Effect from "effect/Effect";
7import * as Schedule from "effect/Schedule";
8import Stack from "../alchemy.run.ts";
9
10// Fresh `workers.dev` URLs transiently 404 while the route propagates.
11// `Test.getWhenReady` fails on that cold-start window and retries until the
12// worker serves a real response.
13const { getWhenReady } = Test;
14
15class AssetNotReady extends Data.TaggedError("AssetNotReady")<{
16 body: string;
17}> {}
18
19// While the static-asset manifest is still propagating, Cloudflare serves a
20// managed "content signals" robots.txt with a 200 — the status alone can't
21// distinguish "not yet" from "served", so retry until the body matches.
22const getBodyWhenReady = (url: string, expected: string) =>
23 Effect.gen(function* () {
24 const res = yield* getWhenReady(url);
25 expect(res.status).toBe(200);
26 const body = yield* res.text;
27 if (!body.includes(expected)) {
28 return yield* Effect.fail(new AssetNotReady({ body }));
29 }
30 return body;
31 }).pipe(
32 Effect.retry({
33 while: (error) => error instanceof AssetNotReady,
34 schedule: Schedule.max([
35 Schedule.min([
36 Schedule.exponential("500 millis"),
37 Schedule.spaced("3 seconds"),
38 ]),
39 Schedule.recurs(20),
40 ]),
41 }),
42 );
43
44const { test, beforeAll, afterAll, deploy, destroy } = Test.make({
45 providers: Cloudflare.providers(),
46 state: Cloudflare.state(),
47});
48
49// The first deploy runs the full Next.js + OpenNext build, so give the hook
50// more headroom than the default 120s.
51const stack = beforeAll(deploy(Stack).pipe(Effect.tap(Console.log)), {
52 timeout: 600_000,
53});
54afterAll.skipIf(!!process.env.NO_DESTROY)(destroy(Stack));
55
56const base = Effect.map(stack, ({ url }) => {
57 if (!url) throw new Error("expected the site to expose a workers.dev url");
58 return url.replace(/\/+$/, "");
59});
60
61test(
62 "deploys and exposes a url",
63 Effect.gen(function* () {
64 const { url } = yield* stack;
65 expect(url).toBeString();
66 }),
67 { timeout: 180_000 },
68);
69
70test(
71 "serves the server-rendered home page",
72 Effect.gen(function* () {
73 const url = yield* base;
74 const res = yield* getWhenReady(url);
75 expect(res.status).toBe(200);
76 const html = yield* res.text;
77 expect(html).toContain("Next.js on Cloudflare");
78 // The `GREETING` env value from alchemy.run.ts, read via
79 // `getCloudflareContext` in the force-dynamic page — proves the Worker
80 // rendered it at request time.
81 expect(html).toContain("Hello from Next.js on Cloudflare!");
82 }),
83 { timeout: 180_000 },
84);
85
86test(
87 "serves the dynamic API route",
88 Effect.gen(function* () {
89 const url = yield* base;
90 const res = yield* getWhenReady(`${url}/api/hello`);
91 expect(res.status).toBe(200);
92 const body = (yield* res.json) as { hello: string };
93 expect(body.hello).toBe("world");
94 }),
95 { timeout: 180_000 },
96);
97
98test(
99 "compiles tailwind via postcss",
100 Effect.gen(function* () {
101 const url = yield* base;
102 // The page markup uses Tailwind utilities — proving the project's own
103 // postcss.config.mjs (@tailwindcss/postcss) ran inside `next build`.
104 const html = yield* getBodyWhenReady(url, "text-3xl");
105 expect(html).toContain("text-3xl");
106
107 // Next.js links the compiled stylesheet from under /_next/static/
108 // (chunks/*.css as of Next 16).
109 const match = html.match(/\/_next\/static\/[^"']+\.css/);
110 expect(match).not.toBeNull();
111
112 // The stylesheet must contain the compiled Tailwind rule, not just the
113 // class name in markup.
114 const css = yield* getBodyWhenReady(`${url}${match![0]}`, ".text-3xl");
115 expect(css).toContain(".text-3xl");
116 expect(css).toContain(".font-bold");
117 }),
118 { timeout: 180_000 },
119);
120
121test(
122 "serves a static asset from public/",
123 Effect.gen(function* () {
124 const url = yield* base;
125 const body = yield* getBodyWhenReady(`${url}/robots.txt`, "User-agent: *");
126 expect(body).toContain("User-agent: *");
127 }),
128 { timeout: 180_000 },
129);