Files
WRNexusJS/packages/dev-server/test/load-runtime.test.ts
T
Clintchiz 586a6db8ff
Quality / quality (ubuntu-latest) (push) Failing after 21s
Quality / quality (windows-latest) (push) Canceled after 0s
release: WRNexusJS 0.8.0
2026-08-02 23:18:51 +05:30

73 lines
2.8 KiB
TypeScript

import { afterEach, expect, test } from "bun:test";
import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { join } from "node:path";
import { tmpdir } from "node:os";
import { buildRouter } from "@wrnexus/router";
import { createHandlers, type RuntimeDeps } from "../src/runtime.ts";
const roots: string[] = [];
afterEach(() => roots.splice(0).forEach((root) => rmSync(root, { recursive: true, force: true })));
test("server loader data is available to page rendering", async () => {
const root = mkdtempSync(join(tmpdir(), "wrnexus-load-runtime-"));
roots.push(root);
const app = join(root, "app");
mkdirSync(join(app, "pages"), { recursive: true });
writeFileSync(join(app, "pages/users.ts"), "export default () => '';\n");
const handlers = createHandlers({
mode: "production",
hmr: false,
router: buildRouter(app),
loadModule: async () => ({
__wrnexusLoad: async () => ({ users: ["Ada", "Lin"] }),
default: (ctx: { users: string[]; data: { users: string[] } }) =>
`<p>${ctx.users.join(",")} / ${ctx.data.users.length}</p>`,
}),
getMiddleware: async () => [],
assets: { serve: async () => null },
} satisfies RuntimeDeps);
const response = await handlers.fetch(new Request("https://example.test/users"), {
upgrade: () => false,
});
expect(await response!.text()).toContain("Ada,Lin / 2");
});
test("HMR page synchronization initializes request-scoped loader caching", async () => {
const root = mkdtempSync(join(tmpdir(), "wrnexus-hmr-load-runtime-"));
roots.push(root);
const app = join(root, "app");
mkdirSync(join(app, "pages"), { recursive: true });
writeFileSync(join(app, "pages/async.ts"), "export default () => '';\n");
const handlers = createHandlers({
mode: "development",
hmr: true,
router: buildRouter(app),
loadModule: async () => ({
__wrnexusLoad: async () => ({ message: "Loaded through HMR" }),
default: (ctx: { message: string }) => `<p>${ctx.message}</p>`,
}),
getMiddleware: async () => [],
assets: { serve: async () => null },
} satisfies RuntimeDeps);
const html = await new Promise<string>((resolve, reject) => {
const timeout = setTimeout(() => reject(new Error("HMR response timed out")), 1_000);
handlers.websocket.message(
{
data: { kind: "hmr", baseUrl: "http://localhost", headers: [] },
send(value) {
clearTimeout(timeout);
resolve(String(value));
},
close() {},
},
JSON.stringify({ type: "sync", path: "/async" }),
);
});
const message = JSON.parse(html) as { type: string; html?: string; message?: string };
expect(message.type).toBe("html");
expect(message.message).toBeUndefined();
expect(message.html).toContain("Loaded through HMR");
});