import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { getCapturedEnv, captureClientEnv, loadConfig } from '../src/lib/config.js';
describe('Config & Environment Capture', () => {
const originalEnv = process.env;
beforeEach(() => {
vi.resetModules();
process.env = { ...originalEnv };
});
afterEach(() => {
process.env = originalEnv;
});
it('should load config from args', () => {
const args = {
url: 'https://api.test.com',
apiKey: 'test-key',
};
const config = loadConfig(args);
expect(config.mcpUrl).toBe('https://api.test.com');
expect(config.apiKey).toBe('test-key');
});
it('should capture allowed environment variables', () => {
// Setup mock environment with mixed variables
process.env.SLACK_BOT_TOKEN = 'xoxb-123';
process.env.GITHUB_TOKEN = 'ghp-456';
process.env.PATH = '/usr/bin'; // Should be ignored
process.env.npm_package_version = '1.0.0'; // Should be ignored
// Trigger capture explicitly (usually called by loadConfig)
captureClientEnv();
const captured = getCapturedEnv();
expect(captured['SLACK_BOT_TOKEN']).toBe('xoxb-123');
expect(captured['GITHUB_TOKEN']).toBe('ghp-456');
// System variables should be ignored
expect(captured['PATH']).toBeUndefined();
expect(captured['npm_package_version']).toBeUndefined();
});
it('should capture env vars via loadConfig flow', () => {
process.env.API_KEY = 'secret';
loadConfig({
url: 'https://api.test.com',
apiKey: 'key'
});
const captured = getCapturedEnv();
expect(captured['API_KEY']).toBe('secret');
});
it('should ignore internal MCP vars', () => {
process.env.MCP_API_KEY = 'do-not-forward';
process.env.MCP_SERVER_URL = 'https://...';
process.env.USER_VAR = 'forward-me';
captureClientEnv();
const captured = getCapturedEnv();
expect(captured['MCP_API_KEY']).toBeUndefined();
expect(captured['MCP_SERVER_URL']).toBeUndefined();
expect(captured['USER_VAR']).toBe('forward-me');
});
});
