t3-code-android-nightly/.repos/alchemy-effect/packages/alchemy/test/AWS/Website/Nextjs.local.test.ts

import * as AWS from "@/AWS";
import * as Test from "@/Test/Alchemy";
import { describe, expect } from "alchemy-test";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as pathe from "pathe";
import { prepareNextjsFixture } from "../../Cloudflare/Website/TypeScriptCompat.ts";
import { cloneFixture } from "../../Cloudflare/Utils/Fixture.ts";
import { expectUrlContains } from "../../Cloudflare/Utils/Http.ts";

// `dev: true` runs local providers behind the RPC sidecar proxy by default,
// matching the process topology of the real `alchemy dev` command.
const { test } = Test.make({ providers: AWS.providers(), dev: true });

const fixtureDir = pathe.resolve(import.meta.dirname, "fixtures", "nextjs-app");

const fixtureEntries = [
  ".gitignore",
  "package.json",
  "next.config.ts",
  "tsconfig.json",
  "app",
  "public",
];

describe(
  "AWS.Website.Nextjs local",
  { tags: ["provider:aws", "provider:aws:website", "local"] },
  () => {
    test.provider(
      "dev runs Next's own dev server with no cloud resources",
      (stack) =>
        Effect.gen(function* () {
          const fs = yield* FileSystem.FileSystem;
          const path = yield* Path.Path;

          yield* stack.destroy();

          // Clone OUTSIDE the repo (OS temp dir): an in-workspace clone makes
          // OpenNext detect the workspace as a monorepo and trace the server
          // bundle against bun's isolated-install symlink store, which drops
          // transitive deps (e.g. @swc/helpers) from the shipped node_modules.
          const rootDir = yield* cloneFixture(fixtureDir, {
            prefix: "alchemy-nextjs-aws-local-",
            entries: fixtureEntries,
          });
          yield* prepareNextjsFixture(rootDir);

          const deployed = yield* stack.deploy(
            Effect.gen(function* () {
              const site = yield* AWS.Website.Nextjs("NextjsSite", {
                rootDir,
              });
              return { site };
            }),
          );

          // The site is the framework's own dev server: a localhost URL and
          // no cloud rows at all (proof no AWS call ran).
          const url = deployed.site.url! as string;
          expect(url).toMatch(
            /^http:\/\/(localhost|127\.0\.0\.1|\[[0-9a-fA-F:]+\])/,
          );
          expect(deployed.site.distribution).toBeUndefined();
          expect(deployed.site.server).toBeUndefined();
          expect(deployed.site.bucket).toBeUndefined();
          expect(deployed.site.revalidationQueue).toBeUndefined();
          expect(deployed.site.tagCacheTable).toBeUndefined();

          // SSR page served by the next dev server (native HMR toolchain).
          yield* expectUrlContains(`${url}/`, "NEXTJS_AWS_PAGE_MARKER", {
            timeout: "180 seconds",
            label: "dev SSR home page",
          });
          // App Router API route through the dev server.
          yield* expectUrlContains(
            `${url}/api/hello?echo=dev`,
            "NEXTJS_AWS_API_MARKER",
            { label: "API route (dev)" },
          );
          yield* expectUrlContains(`${url}/api/hello?echo=dev`, "dev", {
            label: "API route query echo (dev)",
          });

          // ── HMR: edit the App Router route in place. The stack is NOT
          // re-applied — next dev must recompile the route and serve it
          // through the same URL ───────────────────────────────────────────
          const routePath = path.join(rootDir, "app/api/hello/route.ts");
          const route = yield* fs.readFileString(routePath);
          yield* fs.writeFileString(
            routePath,
            route.replace("NEXTJS_AWS_API_MARKER", "NEXTJS_AWS_API_MARKER_V2"),
          );
          yield* expectUrlContains(
            `${url}/api/hello?echo=dev`,
            "NEXTJS_AWS_API_MARKER_V2",
            { timeout: "120 seconds", label: "API route after HMR edit" },
          );
          // The route still round-trips its query after the recompile.
          yield* expectUrlContains(
            `${url}/api/hello?echo=post-hmr`,
            "post-hmr",
            {
              label: "API route query echo after HMR edit",
            },
          );

          yield* stack.destroy();
        }),
      { timeout: 600_000 },
    );
  },
);