import { describe, test, expect, beforeEach, afterEach } from 'bun:test';
import { loadEnvFile } from '../../src/utils';
import * as fs from 'fs';
import * as path from 'path';
describe('Environment Loading', () => {
const originalEnv = { ...process.env };
const testDir = path.join(process.cwd(), 'test-env-files');
beforeEach(() => {
// Create test directory
if (!fs.existsSync(testDir)) {
fs.mkdirSync(testDir);
}
// Reset process.env to original state
process.env = { ...originalEnv };
process.env.NODE_ENV = undefined;
// Mock process.cwd to return our test directory
const originalCwd = process.cwd;
global.process.cwd = () => testDir;
});
afterEach(() => {
// Clean up test files
if (fs.existsSync(path.join(testDir, '.env'))) {
fs.unlinkSync(path.join(testDir, '.env'));
}
if (fs.existsSync(path.join(testDir, '.env.development'))) {
fs.unlinkSync(path.join(testDir, '.env.development'));
}
if (fs.existsSync(path.join(testDir, '.env.local'))) {
fs.unlinkSync(path.join(testDir, '.env.local'));
}
if (fs.existsSync(path.join(testDir, '.env.production'))) {
fs.unlinkSync(path.join(testDir, '.env.production'));
}
// Clean up test directory
if (fs.existsSync(testDir)) {
fs.rmdirSync(testDir);
}
// Restore process.env
process.env = originalEnv;
});
test('loads .env.development when NODE_ENV is development', () => {
// Create test .env.development file
fs.writeFileSync(path.join(testDir, '.env.development'), 'TEST_VAR=development');
// Set NODE_ENV
process.env.NODE_ENV = 'development';
// Test loadEnvFile function
const result = loadEnvFile('development');
// Verify result
expect(result.path).toBe('.env.development');
expect(result.loaded).toBe(true);
expect(process.env.TEST_VAR).toBe('development');
});
test('loads .env.production when NODE_ENV is production', () => {
// Create test .env.production file
fs.writeFileSync(path.join(testDir, '.env.production'), 'TEST_VAR=production');
// Set NODE_ENV
process.env.NODE_ENV = 'production';
// Test loadEnvFile function
const result = loadEnvFile('production');
// Verify result
expect(result.path).toBe('.env.production');
expect(result.loaded).toBe(true);
expect(process.env.TEST_VAR).toBe('production');
});
test('falls back to .env.local when environment-specific file not found', () => {
// Create test .env.local file
fs.writeFileSync(path.join(testDir, '.env.local'), 'TEST_VAR=local');
// Set NODE_ENV to a value we don't have a file for
process.env.NODE_ENV = 'staging';
// Test loadEnvFile function
const result = loadEnvFile('staging');
// Verify result
expect(result.path).toBe('.env.local');
expect(result.loaded).toBe(true);
expect(process.env.TEST_VAR).toBe('local');
});
test('falls back to .env when no other files found', () => {
// Create test .env file
fs.writeFileSync(path.join(testDir, '.env'), 'TEST_VAR=default');
// Set NODE_ENV to a value we don't have a file for
process.env.NODE_ENV = 'staging';
// Test loadEnvFile function
const result = loadEnvFile('staging');
// Verify result
expect(result.path).toBe('.env');
expect(result.loaded).toBe(true);
expect(process.env.TEST_VAR).toBe('default');
});
test('returns loaded=false when no env files found', () => {
// Don't create any env files
// Test loadEnvFile function
const result = loadEnvFile('development');
// Verify result
expect(result.path).toBe(null);
expect(result.loaded).toBe(false);
});
});
