1import * as Alchemy from "alchemy";
2import * as Hetzner from "alchemy/Hetzner";
3import * as Test from "alchemy/Test/Bun";
4import { expect } from "bun:test";
5import * as Console from "effect/Console";
6import * as Data from "effect/Data";
7import * as Effect from "effect/Effect";
8import * as Schedule from "effect/Schedule";
9import Stack from "../alchemy.run.ts";
10
11// A fresh Hetzner deployment (and the Hetzner Server behind it) can serve
12// transient 404/5xx responses while it propagates. `Test.getWhenReady`
13// fails on that cold-start window and retries until the site serves a
14// real response.
15const { getWhenReady } = Test;
16
17class AssetNotReady extends Data.TaggedError("AssetNotReady")<{
18 body: string;
19}> {}
20
21// While the asset manifest and Hetzner edge caches are still
22// propagating, a 200 body can be stale — the status alone can't
23// distinguish "not yet" from "served", so retry until the body matches.
24const getBodyWhenReady = (url: string, expected: string) =>
25 Effect.gen(function* () {
26 const res = yield* getWhenReady(url);
27 expect(res.status).toBe(200);
28 const body = yield* res.text;
29 if (!body.includes(expected)) {
30 return yield* Effect.fail(new AssetNotReady({ body }));
31 }
32 return body;
33 }).pipe(
34 Effect.retry({
35 while: (error) => error instanceof AssetNotReady,
36 schedule: Schedule.max([
37 Schedule.min([
38 Schedule.exponential("500 millis"),
39 Schedule.spaced("3 seconds"),
40 ]),
41 Schedule.recurs(20),
42 ]),
43 }),
44 );
45
46const hasCreds = !!process.env.HCLOUD_TOKEN;
47
48const { test, beforeAll, afterAll, deploy, destroy } = Test.make({
49 providers: Hetzner.providers(),
50 state: Alchemy.localState(),
51 profile: process.env.ALCHEMY_PROFILE,
52});
53
54// The first deploy runs the full Vite build AND creates a Hetzner
55// Server (~5-10 minutes), so give the hook far more headroom than the
56// default 120s.
57if (!hasCreds) {
58 test.skip("skipped without HCLOUD_TOKEN", Effect.void);
59} else {
60 const stack = beforeAll(deploy(Stack).pipe(Effect.tap(Console.log)), {
61 timeout: 600_000,
62 });
63 // Deleting the Hetzner deployment takes several minutes too.
64 afterAll.skipIf(!!process.env.NO_DESTROY)(destroy(Stack), {
65 timeout: 600_000,
66 });
67
68 const base = Effect.map(stack, ({ url }) => {
69 if (!url) throw new Error("expected the site to expose a url");
70 return String(url).replace(/\/+$/, "");
71 });
72
73 test(
74 "deploys and exposes a url",
75 Effect.gen(function* () {
76 const { url } = yield* stack;
77 expect(url).toBeString();
78 }),
79 { timeout: 180_000 },
80 );
81
82 test(
83 "serves the server-rendered home page",
84 Effect.gen(function* () {
85 const url = yield* base;
86 const html = yield* getBodyWhenReady(url, "Hello from TanStack Start");
87 // The `GREETING` env value from alchemy.run.ts, read via
88 // `process.env` in the server function — proves the Hetzner Server
89 // rendered it at request time.
90 expect(html).toContain("Hello from TanStack Start on Hetzner!");
91 // The Card component rendered under the heading.
92 expect(html).toContain("Styled with Tailwind CSS");
93 expect(html).toContain(
94 "This card is a React component styled with Tailwind utilities.",
95 );
96 }),
97 { timeout: 180_000 },
98 );
99
100 test(
101 "compiles tailwind from vite.config.ts",
102 Effect.gen(function* () {
103 const url = yield* base;
104 // The utility class in the markup proves the page shipped with Tailwind
105 // classes; wait until the deployed HTML includes it.
106 const html = yield* getBodyWhenReady(url, "text-3xl");
107
108 // The root route links the stylesheet Vite emitted for
109 // src/styles/global.css. The compiled rule for the utility must be
110 // served — it only exists if the @tailwindcss/vite plugin from the
111 // project's own vite.config.ts ran.
112 const link = html.match(
113 /<link[^>]*rel="stylesheet"[^>]*href="([^"]+)"[^>]*>/,
114 );
115 expect(link).not.toBeNull();
116 const href = link![1]!;
117 const cssUrl = href.startsWith("http")
118 ? href
119 : `${url}${href.startsWith("/") ? "" : "/"}${href}`;
120 const css = yield* getBodyWhenReady(cssUrl, ".text-3xl");
121 expect(css).toContain(".text-3xl");
122 expect(css).toContain(".font-bold");
123 }),
124 { timeout: 180_000 },
125 );
126}