Files
2026-09-12 04:58:59 +03:00

292 lines
10 KiB
TypeScript

import test from "node:test";
import assert from "node:assert/strict";
import { mkdtemp, rm, readFile } from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js";
import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
import { createService } from "../server/index.ts";
import { unpackProject } from "../engine/archive.ts";
import { unzipSync } from "fflate";
import { triangleGlb } from "./fixtures.ts";
test("real MCP HTTP + stdio share revisions, models, scripts, resources and exports", async () => {
const dir = await mkdtemp(path.join(os.tmpdir(), "forma-test-"));
const s = await createService({ projectDir: dir, port: 0, blank: true });
const client = new Client({ name: "acceptance", version: "1" });
let bridge: Client | undefined;
try {
const url = "http://127.0.0.1:" + s.port + "/mcp";
const unauthorized = await fetch(url, {
method: "POST",
headers: { "content-type": "application/json" },
body: "{}",
});
assert.equal(unauthorized.status, 401);
const origin = await fetch(url, {
method: "POST",
headers: {
"content-type": "application/json",
origin: "https://untrusted.example",
authorization: "Bearer " + s.token,
},
body: "{}",
});
assert.equal(origin.status, 403);
await client.connect(
new StreamableHTTPClientTransport(new URL(url), {
requestInit: { headers: { authorization: "Bearer " + s.token } },
}),
);
const tools = await client.listTools();
assert.ok(tools.tools.length >= 25);
assert.ok(tools.tools.some((t) => t.name === "runtime_capture"));
const page = await fetch("http://127.0.0.1:" + s.port + "/").then((r) =>
r.text(),
);
for (const asset of ["/studio/editor.js", "/studio/editor.css"]) {
assert.ok(page.includes(asset));
assert.equal(
(await fetch("http://127.0.0.1:" + s.port + asset)).status,
200,
);
}
const toggle = async (enabled: boolean) =>
fetch("http://127.0.0.1:" + s.port + "/api/mcp", {
method: "POST",
headers: {
"content-type": "application/json",
origin: "http://127.0.0.1:" + s.port,
},
body: JSON.stringify({ enabled }),
});
assert.equal((await toggle(false)).status, 200);
await assert.rejects(() =>
client.callTool({ name: "project_read", arguments: {} }),
);
assert.equal((await toggle(true)).status, 200);
const resources = await client.listResources();
assert.equal(resources.resources.length, 3);
assert.ok(
(await client.readResource({ uri: "forma://reference/scripts" })).contents
.length,
);
const prompts = await client.listPrompts();
assert.deepEqual(
prompts.prompts.map((p) => p.name),
["create_scene"],
);
const prompt = await client.getPrompt({
name: "create_scene",
arguments: { theme: "architecture" },
});
assert.match(JSON.stringify(prompt.messages), /architecture/);
const invoke = async (name: string, args: any = {}) => {
const r = await client.callTool({ name, arguments: args });
if (r.isError) throw Error(JSON.stringify(r.content));
return r.structuredContent as any;
};
let p = await invoke("project_read");
assert.equal(p.revision, 0);
assert.equal(p.assets.length, 0);
assert.equal(p.scripts.length, 0);
assert.equal(s.service.store.project.scenes[0].entities.length, 0);
await invoke("model_generate", {
kind: "arena",
expectedRevision: 0,
seed: 41,
obstacles: 3,
requestId: "arena-1",
});
assert.equal(s.service.store.project.revision, 1);
assert.ok(s.service.store.project.scenes[0].entities.length > 20);
const stale = await client.callTool({
name: "node_create",
arguments: { name: "stale", expectedRevision: 0 },
});
assert.equal(stale.isError, true);
assert.equal(s.service.store.project.revision, 1);
await invoke("model_generate", {
kind: "arena",
expectedRevision: 0,
seed: 41,
obstacles: 3,
requestId: "arena-1",
});
assert.equal(s.service.store.project.revision, 1);
const bytes = triangleGlb(true);
await invoke("asset_import_glb", {
expectedRevision: 1,
name: "test.glb",
base64: bytes.toString("base64"),
instantiate: true,
});
assert.equal(s.service.store.project.revision, 2);
bridge = new Client({ name: "stdio-acceptance", version: "1" });
await bridge.connect(
new StdioClientTransport({
command: process.execPath,
args: [
fileURLToPath(new URL("../server/stdio.mjs", import.meta.url)),
"--project",
dir,
"--url",
url,
],
cwd: os.tmpdir(),
stderr: "pipe",
}),
);
assert.equal((await bridge.listTools()).tools.length, tools.tools.length);
const change = await bridge.callTool({
name: "node_create",
arguments: {
name: "From stdio",
id: "stdio_object",
expectedRevision: 2,
components: { mesh: { type: "sphere", size: [1, 1, 1] } },
},
});
assert.equal(change.isError, undefined);
assert.equal(s.service.store.project.revision, 3);
assert.ok(
s.service.store.project.scenes[0].entities.some(
(n) => n.id === "stdio_object",
),
);
await invoke("history_undo", { expectedRevision: 3 });
assert.equal(s.service.store.project.revision, 4);
assert.ok(
!s.service.store.project.scenes[0].entities.some(
(n) => n.id === "stdio_object",
),
);
await invoke("history_redo", { expectedRevision: 4 });
const save = await invoke("project_save");
assert.equal(
unpackProject(new Uint8Array(await readFile(save.path))).revision,
5,
);
const exported = await invoke("project_export_web");
const files = unzipSync(new Uint8Array(await readFile(exported.path)));
assert.ok(files["index.html"] && files["player.js"] && files["player.css"]);
assert.ok(files["player.js"].length > 100000);
assert.equal(
JSON.parse(new TextDecoder().decode(files["project.forma.json"]))
.revision,
5,
);
const noEditor = await client.callTool({
name: "runtime_play",
arguments: {},
});
assert.equal(noEditor.isError, true);
assert.match(JSON.stringify(noEditor.content), /EDITOR_DISCONNECTED/);
} finally {
await bridge?.close();
await client.close();
await s.close();
await rm(dir, { recursive: true, force: true });
}
});
test("MCP scene ZIP import replaces the scene atomically and Undo restores the prior project", async () => {
const dir = await mkdtemp(path.join(os.tmpdir(), "forma-scene-"));
const s = await createService({ projectDir: dir, port: 0, blank: true });
const client = new Client({ name: "scene-test", version: "1" });
try {
await client.connect(
new StreamableHTTPClientTransport(
new URL(`http://127.0.0.1:${s.port}/mcp`),
{ requestInit: { headers: { authorization: "Bearer " + s.token } } },
),
);
const original = structuredClone(s.service.store.project);
const { zipSync } = await import("fflate");
const { sceneAnimationGlb } = await import("./fixtures.ts");
const archive = zipSync({ "scene.glb": sceneAnimationGlb() });
const result = await client.callTool({
name: "asset_import_glb",
arguments: {
expectedRevision: 0,
name: "scene.zip",
base64: Buffer.from(archive).toString("base64"),
asScene: true,
},
});
assert.ok(!result.isError, JSON.stringify(result.content));
const p = s.service.store.project,
n = p.scenes[0].entities[0];
assert.equal(p.revision, 1);
assert.equal(n.components.camera.mode, "imported");
assert.equal(n.components.animator.autoplay, "Scene");
const undo = await client.callTool({
name: "history_undo",
arguments: { expectedRevision: 1 },
});
assert.ok(!undo.isError, JSON.stringify(undo.content));
assert.equal(s.service.store.project.id, original.id);
assert.equal(s.service.store.project.assets.length, 0);
} finally {
await client.close();
await s.close();
await rm(dir, { recursive: true, force: true });
}
});
test("MCP imports image assets, configures XY scenes, saves portable sprites and rejects escaping paths", async () => {
const dir = await mkdtemp(path.join(os.tmpdir(), "forma-2d-"));
const s = await createService({ projectDir: dir, port: 0, blank: true }),
client = new Client({ name: "2d-test", version: "1" });
try {
await client.connect(
new StreamableHTTPClientTransport(
new URL(`http://127.0.0.1:${s.port}/mcp`),
{ requestInit: { headers: { authorization: "Bearer " + s.token } } },
),
);
const call = (name: string, args: any) =>
client.callTool({ name, arguments: args });
const created = await call("scene_create", {
name: "XY",
mode: "2d",
expectedRevision: s.service.store.project.revision,
});
assert.ok(!created.isError, JSON.stringify(created));
const { activeScene } = await import("../engine/schema.ts");
assert.equal(activeScene(s.service.store.project).mode, "2d");
const png =
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQIHWP4z8DwHwAFgAI/ScLttAAAAABJRU5ErkJggg==";
const imported = await call("asset_import_image", {
name: "pixel.png",
base64: png,
instantiate: true,
expectedRevision: s.service.store.project.revision,
});
assert.ok(!imported.isError, JSON.stringify(imported));
const project = s.service.store.project;
assert.equal(project.assets[0].kind, "image");
assert.equal(
activeScene(project).entities[0].components.sprite.assetId,
project.assets[0].id,
);
const bad = await call("asset_import_image", {
name: "pixel.png",
path: "../escape.png",
expectedRevision: project.revision,
});
assert.ok(bad.isError);
assert.equal(s.service.store.project.revision, project.revision);
await call("project_save", {});
const restored = unpackProject(
new Uint8Array(await readFile(path.join(dir, "project.forma"))),
);
assert.deepEqual(restored, project);
} finally {
await client.close();
await s.close();
await rm(dir, { recursive: true, force: true });
}
});