setup.ts

/**
 * Test Setup File for Vitest v4+
 *
 * Provides global setup, mocks, and configuration for the Anchor Engine test suite.
 */

import { homedir } from 'os';
import path from 'path';

// Global test environment variables
process.env.NODE_ENV = process.env.NODE_ENV || 'test';
process.env.ANCHOR_ROOT = process.env.ANCHOR_ROOT || '/.anchor';
process.env.TS_NODE_TRANSPILE_ONLY = 'true';

// Override ANCHOR_ROOT to match real user config for tests
if (process.platform === 'win32') {
  const os = require('os');
  process.env.ANCHOR_ROOT = path.resolve(os.homedir(), '.anchor');
} else {
  process.env.ANCHOR_ROOT = path.resolve(homedir(), '.anchor');
}

// Set environment variables to use user_settings.json paths directly
const osModule = require('os');
process.env.INBOX_DIR = path.resolve(osModule.homedir(), '.anchor', 'inbox');
process.env.EXTERNAL_INBOX_DIR = path.resolve(osModule.homedir(), '.anchor', 'external-inbox');
process.env.MIRRORED_BRAIN_DIR = path.resolve(osModule.homedir(), '.anchor', 'mirrored_brain');
// Note: In vitest v4, mocks need to be set up differently
const mockPathManager = {
  pathManager: {
    getNativePath: (binaryName: string) => `/path/to/${binaryName}`,
  },
};

const mockModule = {
  createRequire: () => (modulePath: string) => {
    if (modulePath.includes('fail')) {
      throw new Error(`Module not found: ${modulePath}`);
    }
    return {
      testFunction: () => 'success',
      cleanse: (str: string) => str,
      atomize: (content: string) => content.split(/\n\n+/),
      fingerprint: (str: string) => BigInt(Date.now()),
      distance: (a: bigint, b: bigint) => Number(a ^ b),
    };
  },
};

// Export mocks for use in tests
export { mockPathManager, mockModule };

// Log test environment setup
console.log('[Test Setup] Environment configured:', {
  NODE_ENV: process.env.NODE_ENV,
  ANCHOR_ROOT: process.env.ANCHOR_ROOT,
});