/**
* Configuration Loader Unit Tests
*/
import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import { loadFromEnv, mergeConfigs } from '../../src/utils/config-loader';
describe('Configuration Loader', () => {
const originalEnv = process.env;
beforeEach(() => {
process.env = { ...originalEnv };
});
afterEach(() => {
process.env = originalEnv;
});
describe('loadFromEnv', () => {
it('should load MODE from environment', () => {
process.env.MODE = 'http';
const config = loadFromEnv();
expect(config.mode).toBe('http');
});
it('should load HTTP configuration', () => {
process.env.HTTP_PORT = '8080';
process.env.HTTP_HOST = '127.0.0.1';
process.env.API_KEYS = 'key1,key2';
const config = loadFromEnv();
expect(config.http?.port).toBe(8080);
expect(config.http?.host).toBe('127.0.0.1');
expect(config.http?.apiKeys).toEqual(['key1', 'key2']);
});
it('should load database configuration', () => {
process.env.DB_TYPE = 'mysql';
process.env.DB_HOST = 'localhost';
process.env.DB_PORT = '3306';
const config = loadFromEnv();
expect(config.database?.type).toBe('mysql');
expect(config.database?.host).toBe('localhost');
expect(config.database?.port).toBe(3306);
});
});
describe('mergeConfigs', () => {
it('should merge multiple configs with priority', () => {
const config1 = { mode: 'mcp' as const };
const config2 = { mode: 'http' as const };
const merged = mergeConfigs(config1, config2);
expect(merged.mode).toBe('http');
});
it('should merge HTTP configs', () => {
const config1 = {
http: {
port: 3000,
host: '0.0.0.0',
apiKeys: ['key1'],
cors: { origins: '*', credentials: false },
rateLimit: { max: 100, window: '1m' },
logging: { level: 'info' as const, pretty: false },
session: { timeout: 3600000, cleanupInterval: 300000 }
}
};
const config2 = {
http: {
port: 8080,
apiKeys: ['key2']
}
};
const merged = mergeConfigs(config1, config2);
expect(merged.http?.port).toBe(8080);
expect(merged.http?.apiKeys).toEqual(['key2']);
});
});
});
