kivv

import { describe, it, expect } from 'vitest'; import { env } from 'cloudflare:test'; /** * Rate Limiting Security Tests * * Coverage target: 90%+ * * Tests rate limiting implementation: * - Per-user rate limits * - Global rate limits for external APIs * - Budget enforcement */ describe('Rate Limiting', () => { describe('External API Rate Limiting', () => { it('should enforce arXiv rate limit (1 req/3s)', async () => { // TODO: Implement in CHUNK 9 (arXiv client) // Make 2 requests in quick succession // Second request should wait ~3 seconds expect(true).toBe(true); // Placeholder }); it('should add jitter to arXiv requests', async () => { // TODO: Implement in CHUNK 9 // Verify 100-300ms jitter added to prevent thundering herd expect(true).toBe(true); // Placeholder }); it('should enforce Anthropic rate limit (5 req/s)', async () => { // TODO: Implement in CHUNK 10 (summarization) // Make 6 requests rapidly // 6th request should be delayed expect(true).toBe(true); // Placeholder }); it('should use token bucket algorithm', async () => { // TODO: Implement in CHUNK 9 // Verify token bucket implementation in KV expect(true).toBe(true); // Placeholder }); }); describe('Budget Enforcement', () => { it('should stop processing at budget limit', async () => { // TODO: Implement in CHUNK 11 (automation) // Set budget to $0.10 // Process papers until budget exceeded // Expected: Circuit breaker activates expect(true).toBe(true); // Placeholder }); it('should track costs in cost_logs table', async () => { // TODO: Implement in CHUNK 10 // After summarization, verify cost logged to database expect(true).toBe(true); // Placeholder }); it('should warn at 50% budget threshold', async () => { // TODO: Implement in CHUNK 11 // Mock cost accumulation to 50% of daily budget // Expected: Warning logged expect(true).toBe(true); // Placeholder }); it('should circuit break at 80% budget threshold', async () => { // TODO: Implement in CHUNK 11 // Mock cost accumulation to 80% of daily budget // Expected: Processing stopped expect(true).toBe(true); // Placeholder }); }); describe('Per-User Rate Limiting', () => { it('should enforce per-user MCP request limits', async () => { // TODO: Consider implementing per-user limits // Prevent abuse of MCP endpoints expect(true).toBe(true); // Placeholder - may not implement }); it('should isolate rate limits by user', async () => { // TODO: If implementing per-user limits // User A hitting limit should not affect User B expect(true).toBe(true); // Placeholder }); }); describe('Retry Logic', () => { it('should implement exponential backoff for retries', async () => { // TODO: Implement in CHUNK 9 (arXiv client) // Mock failed request // Verify retry delays: 1s, 2s, 4s, 8s expect(true).toBe(true); // Placeholder }); it('should limit retry attempts', async () => { // TODO: Implement in CHUNK 9 // Max 3-5 retries before giving up expect(true).toBe(true); // Placeholder }); }); });