copilotkit__copilotkit/showcase/scripts/__tests__/validate-constraints.test.ts

import { describe, it, expect } from "vitest";
import fs from "fs";
import path from "path";
import yaml from "yaml";
import { validateManifestConstraints } from "../validate-constraints.js";

const CONSTRAINTS_PATH = path.resolve(__dirname, "..", "..", "shared", "constraints.yaml");
const FIXTURES_DIR = path.resolve(__dirname, "fixtures");

function loadConstraints() {
    return yaml.parse(fs.readFileSync(CONSTRAINTS_PATH, "utf-8"));
}

function loadFixture(name: string) {
    return yaml.parse(fs.readFileSync(path.join(FIXTURES_DIR, name), "utf-8"));
}

describe("Constraint Validator", () => {
    const constraints = loadConstraints();

    it("passes a valid manifest", () => {
        const manifest = loadFixture("valid-manifest.yaml");
        const errors = validateManifestConstraints(manifest, constraints);
        expect(errors).toEqual([]);
    });

    it("rejects a demo not allowed by declared generative_ui", () => {
        const manifest = loadFixture("invalid-genui-manifest.yaml");
        const errors = validateManifestConstraints(manifest, constraints);
        expect(errors.length).toBeGreaterThan(0);
        expect(errors[0]).toContain("tool-rendering");
        expect(errors[0]).toContain("not allowed");
    });

    it("skips validation when generative_ui is missing", () => {
        const manifest = loadFixture("missing-genui-manifest.yaml");
        const errors = validateManifestConstraints(manifest, constraints);
        expect(errors).toEqual([]);
    });

    it("rejects a demo ID not in any allowed list", () => {
        const manifest = loadFixture("unknown-demo-manifest.yaml");
        const errors = validateManifestConstraints(manifest, constraints);
        expect(errors.length).toBeGreaterThan(0);
        expect(errors[0]).toContain("nonexistent-feature");
    });
});