Files
clawdbot/src/canvas-host/server.test.ts
Peter Steinberger c379191f80 chore: migrate to oxlint and oxfmt
Co-authored-by: Christoph Nakazawa <christoph.pojer@gmail.com>
2026-01-14 15:02:19 +00:00

232 lines
7.6 KiB
TypeScript

import fs from "node:fs/promises";
import { createServer } from "node:http";
import type { AddressInfo } from "node:net";
import os from "node:os";
import path from "node:path";
import { describe, expect, it, vi } from "vitest";
import { WebSocket } from "ws";
import { rawDataToString } from "../infra/ws.js";
import { defaultRuntime } from "../runtime.js";
import { CANVAS_HOST_PATH, CANVAS_WS_PATH, injectCanvasLiveReload } from "./a2ui.js";
import { createCanvasHostHandler, startCanvasHost } from "./server.js";
describe("canvas host", () => {
it("injects live reload script", () => {
const out = injectCanvasLiveReload("<html><body>Hello</body></html>");
expect(out).toContain(CANVAS_WS_PATH);
expect(out).toContain("location.reload");
expect(out).toContain("clawdbotCanvasA2UIAction");
expect(out).toContain("clawdbotSendUserAction");
});
it("creates a default index.html when missing", async () => {
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-canvas-"));
const server = await startCanvasHost({
runtime: defaultRuntime,
rootDir: dir,
port: 0,
listenHost: "127.0.0.1",
allowInTests: true,
});
try {
const res = await fetch(`http://127.0.0.1:${server.port}${CANVAS_HOST_PATH}/`);
const html = await res.text();
expect(res.status).toBe(200);
expect(html).toContain("Interactive test page");
expect(html).toContain("clawdbotSendUserAction");
expect(html).toContain(CANVAS_WS_PATH);
} finally {
await server.close();
await fs.rm(dir, { recursive: true, force: true });
}
});
it("skips live reload injection when disabled", async () => {
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-canvas-"));
await fs.writeFile(path.join(dir, "index.html"), "<html><body>no-reload</body></html>", "utf8");
const server = await startCanvasHost({
runtime: defaultRuntime,
rootDir: dir,
port: 0,
listenHost: "127.0.0.1",
allowInTests: true,
liveReload: false,
});
try {
const res = await fetch(`http://127.0.0.1:${server.port}${CANVAS_HOST_PATH}/`);
const html = await res.text();
expect(res.status).toBe(200);
expect(html).toContain("no-reload");
expect(html).not.toContain(CANVAS_WS_PATH);
const wsRes = await fetch(`http://127.0.0.1:${server.port}${CANVAS_WS_PATH}`);
expect(wsRes.status).toBe(404);
} finally {
await server.close();
await fs.rm(dir, { recursive: true, force: true });
}
});
it("serves canvas content from the mounted base path", async () => {
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-canvas-"));
await fs.writeFile(path.join(dir, "index.html"), "<html><body>v1</body></html>", "utf8");
const handler = await createCanvasHostHandler({
runtime: defaultRuntime,
rootDir: dir,
basePath: CANVAS_HOST_PATH,
allowInTests: true,
});
const server = createServer((req, res) => {
void (async () => {
if (await handler.handleHttpRequest(req, res)) return;
res.statusCode = 404;
res.setHeader("Content-Type", "text/plain; charset=utf-8");
res.end("Not Found");
})();
});
server.on("upgrade", (req, socket, head) => {
if (handler.handleUpgrade(req, socket, head)) return;
socket.destroy();
});
await new Promise<void>((resolve) => server.listen(0, "127.0.0.1", resolve));
const port = (server.address() as AddressInfo).port;
try {
const res = await fetch(`http://127.0.0.1:${port}${CANVAS_HOST_PATH}/`);
const html = await res.text();
expect(res.status).toBe(200);
expect(html).toContain("v1");
expect(html).toContain(CANVAS_WS_PATH);
const miss = await fetch(`http://127.0.0.1:${port}/`);
expect(miss.status).toBe(404);
} finally {
await handler.close();
await new Promise<void>((resolve, reject) =>
server.close((err) => (err ? reject(err) : resolve())),
);
await fs.rm(dir, { recursive: true, force: true });
}
});
it("reuses a handler without closing it twice", async () => {
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-canvas-"));
await fs.writeFile(path.join(dir, "index.html"), "<html><body>v1</body></html>", "utf8");
const handler = await createCanvasHostHandler({
runtime: defaultRuntime,
rootDir: dir,
basePath: CANVAS_HOST_PATH,
allowInTests: true,
});
const originalClose = handler.close;
const closeSpy = vi.fn(async () => originalClose());
handler.close = closeSpy;
const server = await startCanvasHost({
runtime: defaultRuntime,
handler,
ownsHandler: false,
port: 0,
listenHost: "127.0.0.1",
allowInTests: true,
});
try {
expect(server.port).toBeGreaterThan(0);
} finally {
await server.close();
expect(closeSpy).not.toHaveBeenCalled();
await originalClose();
await fs.rm(dir, { recursive: true, force: true });
}
});
it("serves HTML with injection and broadcasts reload on file changes", async () => {
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-canvas-"));
const index = path.join(dir, "index.html");
await fs.writeFile(index, "<html><body>v1</body></html>", "utf8");
const server = await startCanvasHost({
runtime: defaultRuntime,
rootDir: dir,
port: 0,
listenHost: "127.0.0.1",
allowInTests: true,
});
try {
const res = await fetch(`http://127.0.0.1:${server.port}${CANVAS_HOST_PATH}/`);
const html = await res.text();
expect(res.status).toBe(200);
expect(html).toContain("v1");
expect(html).toContain(CANVAS_WS_PATH);
const ws = new WebSocket(`ws://127.0.0.1:${server.port}${CANVAS_WS_PATH}`);
await new Promise<void>((resolve, reject) => {
const timer = setTimeout(() => reject(new Error("ws open timeout")), 2000);
ws.on("open", () => {
clearTimeout(timer);
resolve();
});
ws.on("error", (err) => {
clearTimeout(timer);
reject(err);
});
});
const msg = new Promise<string>((resolve, reject) => {
const timer = setTimeout(() => reject(new Error("reload timeout")), 4000);
ws.on("message", (data) => {
clearTimeout(timer);
resolve(rawDataToString(data));
});
});
await fs.writeFile(index, "<html><body>v2</body></html>", "utf8");
expect(await msg).toBe("reload");
ws.close();
} finally {
await server.close();
await fs.rm(dir, { recursive: true, force: true });
}
}, 10_000);
it("serves the gateway-hosted A2UI scaffold", async () => {
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-canvas-"));
const server = await startCanvasHost({
runtime: defaultRuntime,
rootDir: dir,
port: 0,
listenHost: "127.0.0.1",
allowInTests: true,
});
try {
const res = await fetch(`http://127.0.0.1:${server.port}/__clawdbot__/a2ui/`);
const html = await res.text();
expect(res.status).toBe(200);
expect(html).toContain("clawdbot-a2ui-host");
expect(html).toContain("clawdbotCanvasA2UIAction");
const bundleRes = await fetch(
`http://127.0.0.1:${server.port}/__clawdbot__/a2ui/a2ui.bundle.js`,
);
const js = await bundleRes.text();
expect(bundleRes.status).toBe(200);
expect(js).toContain("clawdbotA2UI");
} finally {
await server.close();
await fs.rm(dir, { recursive: true, force: true });
}
});
});