test(security): TST-012 HTTP-level security test suite (auth, headers, CORS, CASL, route enum)
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src/test/security.spec.ts
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236
src/test/security.spec.ts
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/**
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* TST-012: Security Test Suite (CC-046)
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*
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* HTTP-level security tests via NestJS TestingModule + supertest.
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* Covers: SEC-003 (authentication), SEC-004 (tenant isolation),
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* helmet headers, CORS enforcement, route enumeration safety.
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*
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* These tests run without a real DB or JWT — they verify the guard/middleware
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* layer fires correctly before any business logic is reached.
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*/
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import { Test, type TestingModule } from '@nestjs/testing';
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import { INestApplication, ValidationPipe, Controller, Get, Post, Body, Module } from '@nestjs/common';
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import * as request from 'supertest';
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import helmet from 'helmet';
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import { ThrottlerModule } from '@nestjs/throttler';
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import { ConfigModule } from '@nestjs/config';
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import { APP_GUARD } from '@nestjs/core';
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import { SessionGuard } from '../auth/session.guard';
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import { TenantGuard } from '../auth/tenant.guard';
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import { Public } from '../auth/public.decorator';
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// ── Minimal test fixtures ──────────────────────────────────────────────────
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@Controller('sectest')
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class SecTestController {
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@Public()
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@Get('public')
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publicRoute() {
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return { ok: true };
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}
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@Get('protected')
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protectedRoute() {
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return { ok: true };
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}
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@Public()
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@Post('echo')
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echoRoute(@Body() body: Record<string, unknown>) {
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return body;
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}
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}
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@Module({
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imports: [
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ConfigModule.forRoot({ isGlobal: true }),
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ThrottlerModule.forRoot([{ ttl: 60000, limit: 100 }]),
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],
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controllers: [SecTestController],
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providers: [
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{ provide: APP_GUARD, useClass: SessionGuard },
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{ provide: APP_GUARD, useClass: TenantGuard },
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],
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})
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class SecurityTestAppModule {}
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// ── Suite ──────────────────────────────────────────────────────────────────
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describe('TST-012: Security Test Suite', () => {
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let app: INestApplication;
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beforeAll(async () => {
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const module: TestingModule = await Test.createTestingModule({
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imports: [SecurityTestAppModule],
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}).compile();
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app = module.createNestApplication();
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app.use(helmet());
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app.useGlobalPipes(
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new ValidationPipe({ whitelist: true, forbidNonWhitelisted: true, transform: true }),
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);
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app.setGlobalPrefix('v1', { exclude: ['health'] });
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const allowedOrigins = (process.env.CORS_ORIGINS ?? 'http://localhost:3000').split(',');
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app.enableCors({ origin: allowedOrigins, credentials: true });
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await app.init();
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});
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afterAll(async () => {
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await app.close();
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});
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// ── SEC-003: Authentication ──────────────────────────────────────────────
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describe('SEC-003 — Authentication enforcement', () => {
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it('protected route without Authorization header returns 401', () =>
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request(app.getHttpServer()).get('/v1/sectest/protected').expect(401));
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it('protected route with "Bearer " (empty token) returns 401', () =>
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request(app.getHttpServer())
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.get('/v1/sectest/protected')
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.set('Authorization', 'Bearer ')
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.expect(401));
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it('protected route with malformed JWT returns 401', () =>
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request(app.getHttpServer())
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.get('/v1/sectest/protected')
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.set('Authorization', 'Bearer eyJhbGciOiJub25lIn0.e30.')
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.expect(401));
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it('protected route with Basic scheme (wrong type) returns 401', () =>
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request(app.getHttpServer())
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.get('/v1/sectest/protected')
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.set('Authorization', 'Basic dXNlcjpwYXNz')
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.expect(401));
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it('@Public route is accessible without any token', () =>
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request(app.getHttpServer()).get('/v1/sectest/public').expect(200).expect({ ok: true }));
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it('401 response body does not expose stack trace', async () => {
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const res = await request(app.getHttpServer()).get('/v1/sectest/protected');
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expect((res.body as Record<string, unknown>).stack).toBeUndefined();
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});
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});
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// ── SEC-004: Tenant guard ────────────────────────────────────────────────
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describe('SEC-004 — Tenant isolation guards', () => {
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it('missing x-tenant-id stops at SessionGuard (401 before ForbiddenException)', async () => {
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// SessionGuard fires first; without a token we never reach TenantGuard.
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const res = await request(app.getHttpServer())
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.get('/v1/sectest/protected')
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.set('x-tenant-id', '');
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expect(res.status).toBe(401);
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});
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it('non-UUID x-tenant-id does not bypass SessionGuard', async () => {
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const res = await request(app.getHttpServer())
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.get('/v1/sectest/protected')
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.set('x-tenant-id', 'injection-attempt');
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expect(res.status).toBe(401); // SessionGuard fires before UUID check
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});
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});
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// ── Helmet: security headers ──────────────────────────────────────────────
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describe('Helmet — security headers', () => {
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it('sets X-Content-Type-Options: nosniff', async () => {
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const res = await request(app.getHttpServer()).get('/v1/sectest/public');
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expect(res.headers['x-content-type-options']).toBe('nosniff');
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});
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it('sets X-Frame-Options', async () => {
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const res = await request(app.getHttpServer()).get('/v1/sectest/public');
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expect(res.headers['x-frame-options']).toBeTruthy();
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});
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it('removes X-Powered-By', async () => {
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const res = await request(app.getHttpServer()).get('/v1/sectest/public');
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expect(res.headers['x-powered-by']).toBeUndefined();
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});
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it('sets Content-Security-Policy', async () => {
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const res = await request(app.getHttpServer()).get('/v1/sectest/public');
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expect(
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res.headers['content-security-policy'] ||
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res.headers['content-security-policy-report-only'],
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).toBeTruthy();
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});
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});
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// ── CORS ─────────────────────────────────────────────────────────────────
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describe('CORS', () => {
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it('allowed origin receives Access-Control-Allow-Origin', async () => {
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const res = await request(app.getHttpServer())
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.get('/v1/sectest/public')
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.set('Origin', 'http://localhost:3000');
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expect(res.headers['access-control-allow-origin']).toBe('http://localhost:3000');
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});
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it('unlisted origin does not receive Access-Control-Allow-Origin', async () => {
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const res = await request(app.getHttpServer())
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.get('/v1/sectest/public')
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.set('Origin', 'https://attacker.example.com');
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expect(res.headers['access-control-allow-origin']).toBeUndefined();
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});
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it('preflight OPTIONS from allowed origin succeeds', async () => {
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const res = await request(app.getHttpServer())
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.options('/v1/sectest/public')
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.set('Origin', 'http://localhost:3000')
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.set('Access-Control-Request-Method', 'GET');
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expect([200, 204]).toContain(res.status);
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});
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});
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// ── Route enumeration ─────────────────────────────────────────────────────
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describe('Route enumeration safety', () => {
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it('unknown route returns 404, not 500', async () => {
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const res = await request(app.getHttpServer()).get('/v1/nonexistent-tst012-route');
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expect(res.status).toBe(404);
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});
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it('404 body does not expose internal path or stack', async () => {
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const res = await request(app.getHttpServer()).get('/v1/nonexistent-tst012-route');
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const body = res.body as Record<string, unknown>;
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expect(body.stack).toBeUndefined();
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expect(body.trace).toBeUndefined();
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});
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it('health endpoint is accessible without authentication', async () => {
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// Health is excluded from global prefix so it sits at /health.
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// It is @Public in the real app but we only have SecTestController here.
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// Verify our test fixture 404s gracefully (health not in this module).
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const res = await request(app.getHttpServer()).get('/health');
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// 404 is correct — HealthController is not imported in SecurityTestAppModule
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expect([200, 404]).toContain(res.status);
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});
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});
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// ── CASL: agent tool registry ────────────────────────────────────────────
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describe('CASL — agent tool registry', () => {
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it('canInvokeAgentTool returns false for unknown tool name', async () => {
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const { canInvokeAgentTool, AbilityFactory } = await import('../auth/ability.factory');
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const factory = new AbilityFactory();
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const memberAbility = factory.createForMembership({ tenantId: 'test', role: 'member' });
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expect(canInvokeAgentTool(memberAbility, 'unknown-tool-xyz')).toBe(false);
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});
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it('member can invoke low-risk agent tool', async () => {
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const { canInvokeAgentTool, AbilityFactory } = await import('../auth/ability.factory');
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const factory = new AbilityFactory();
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const ability = factory.createForMembership({ tenantId: 'test', role: 'member' });
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expect(canInvokeAgentTool(ability, 'economic-data')).toBe(true);
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});
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it('owner can invoke any registered tool (manage all)', async () => {
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const { canInvokeAgentTool, AbilityFactory } = await import('../auth/ability.factory');
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const factory = new AbilityFactory();
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const ability = factory.createForMembership({ tenantId: 'test', role: 'owner' });
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expect(canInvokeAgentTool(ability, 'legislation-search')).toBe(true);
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});
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});
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});
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