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 RSC build, so give the hook more headroom
50// 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 String(url).replace(/\/+$/, "");
59});
60
61test(
62 "deploys and exposes a url",
63 Effect.gen(function* () {
64 const { url } = yield* stack;
65 expect(url).toBeString();
66 }),
67 { timeout: 180_000 },
68);
69
70test(
71 "serves the server-rendered home page",
72 Effect.gen(function* () {
73 const url = yield* base;
74 const res = yield* getWhenReady(url);
75 expect(res.status).toBe(200);
76 const html = yield* res.text;
77 // The `GREETING` env value from alchemy.run.ts, read via
78 // `process.env` in the server component — proves the Worker rendered
79 // it at request time.
80 expect(html).toContain("Hello from React Router on Cloudflare!");
81 expect(html).toContain("Styled with Tailwind CSS");
82 }),
83 { timeout: 180_000 },
84);
85
86test(
87 "compiles tailwind from vite.config.ts",
88 Effect.gen(function* () {
89 const url = yield* base;
90 // The utility class in the markup proves the page shipped with Tailwind
91 // classes; wait until the deployed HTML includes it.
92 const html = yield* getBodyWhenReady(url, "text-3xl");
93
94 // The RSC plugin links the compiled stylesheet from the server-rendered
95 // document. The compiled rule for the utility only exists if the
96 // @tailwindcss/vite plugin from the project's own vite.config.ts ran.
97 const link = html.match(
98 /<link[^>]*rel="stylesheet"[^>]*href="([^"]+)"[^>]*>/,
99 );
100 if (link) {
101 const href = link[1]!;
102 const cssUrl = href.startsWith("http")
103 ? href
104 : `${url}${href.startsWith("/") ? "" : "/"}${href}`;
105 const css = yield* getBodyWhenReady(cssUrl, ".text-3xl");
106 expect(css).toContain(".text-3xl");
107 } else {
108 const style = html.match(/<style[^>]*>([\s\S]*?)<\/style>/);
109 expect(style).not.toBeNull();
110 expect(style![1]).toContain(".text-3xl");
111 }
112 }),
113 { timeout: 180_000 },
114);
115
116test(
117 "renders through the ssr environment's chunk",
118 Effect.gen(function* () {
119 const url = yield* base;
120 // /worker-render loads `worker-ssr` from the `ssr` environment via
121 // `import.meta.viteRsc.loadModule` — proves the `children: ["ssr"]`
122 // chunks resolve inside the deployed Worker.
123 const body = yield* getBodyWhenReady(`${url}/worker-render`, '"ok":true');
124 expect(body).toContain("Worker render via the ssr environment.");
125 }),
126 { timeout: 180_000 },
127);
128
129test(
130 "serves a static asset from public/",
131 Effect.gen(function* () {
132 const url = yield* base;
133 const body = yield* getBodyWhenReady(`${url}/robots.txt`, "User-agent: *");
134 expect(body).toContain("User-agent: *");
135 }),
136 { timeout: 180_000 },
137);