format
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d858222af7
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7d9044ab29
202 changed files with 10755 additions and 10972 deletions
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@ -1,12 +1,12 @@
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import { describe, test, expect, beforeEach, afterEach } from 'bun:test';
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import { chmodSync, existsSync, mkdirSync, rmSync, writeFileSync } from 'fs';
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import { join } from 'path';
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import { mkdirSync, writeFileSync, rmSync, existsSync, chmodSync } from 'fs';
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import { afterEach, beforeEach, describe, expect, test } from 'bun:test';
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import { ConfigManager } from '../src/config-manager';
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import { FileLoader } from '../src/loaders/file.loader';
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import { EnvLoader } from '../src/loaders/env.loader';
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import { initializeConfig, initializeServiceConfig, resetConfig } from '../src/index';
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import { appConfigSchema } from '../src/schemas';
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import { ConfigError, ConfigValidationError } from '../src/errors';
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import { initializeConfig, initializeServiceConfig, resetConfig } from '../src/index';
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import { EnvLoader } from '../src/loaders/env.loader';
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import { FileLoader } from '../src/loaders/file.loader';
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import { appConfigSchema } from '../src/schemas';
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const TEST_DIR = join(__dirname, 'edge-case-tests');
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@ -17,9 +17,9 @@ describe('Edge Cases and Error Handling', () => {
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beforeEach(() => {
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originalEnv = { ...process.env };
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originalCwd = process.cwd();
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resetConfig();
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if (existsSync(TEST_DIR)) {
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rmSync(TEST_DIR, { recursive: true, force: true });
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}
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@ -30,7 +30,7 @@ describe('Edge Cases and Error Handling', () => {
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process.env = originalEnv;
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process.chdir(originalCwd);
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resetConfig();
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if (existsSync(TEST_DIR)) {
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rmSync(TEST_DIR, { recursive: true, force: true });
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}
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@ -39,7 +39,7 @@ describe('Edge Cases and Error Handling', () => {
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test('should handle missing .env files gracefully', async () => {
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// No .env file exists
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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// Should not throw even without .env file
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@ -50,15 +50,12 @@ describe('Edge Cases and Error Handling', () => {
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test('should handle corrupted JSON config files', async () => {
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const configDir = join(TEST_DIR, 'config');
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mkdirSync(configDir, { recursive: true });
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// Create corrupted JSON file
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writeFileSync(
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join(configDir, 'development.json'),
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'{ "app": { "name": "test", invalid json }'
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);
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writeFileSync(join(configDir, 'development.json'), '{ "app": { "name": "test", invalid json }');
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const manager = new ConfigManager({
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loaders: [new FileLoader(configDir, 'development')]
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loaders: [new FileLoader(configDir, 'development')],
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});
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// Should throw error for invalid JSON
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@ -67,9 +64,9 @@ describe('Edge Cases and Error Handling', () => {
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test('should handle missing config directories', async () => {
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const nonExistentDir = join(TEST_DIR, 'nonexistent');
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const manager = new ConfigManager({
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loaders: [new FileLoader(nonExistentDir, 'development')]
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loaders: [new FileLoader(nonExistentDir, 'development')],
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});
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// Should not throw, should return empty config
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@ -80,16 +77,16 @@ describe('Edge Cases and Error Handling', () => {
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test('should handle permission denied on config files', async () => {
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const configDir = join(TEST_DIR, 'config');
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mkdirSync(configDir, { recursive: true });
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const configFile = join(configDir, 'development.json');
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writeFileSync(configFile, JSON.stringify({ app: { name: 'test' } }));
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// Make file unreadable (this might not work on all systems)
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try {
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chmodSync(configFile, 0o000);
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const manager = new ConfigManager({
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loaders: [new FileLoader(configDir, 'development')]
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loaders: [new FileLoader(configDir, 'development')],
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});
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// Should handle permission error gracefully
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@ -109,26 +106,23 @@ describe('Edge Cases and Error Handling', () => {
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// This tests deep merge with potential circular references
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const configDir = join(TEST_DIR, 'config');
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mkdirSync(configDir, { recursive: true });
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writeFileSync(
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join(configDir, 'development.json'),
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JSON.stringify({
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app: {
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name: 'test',
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settings: {
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ref: 'settings'
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}
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}
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ref: 'settings',
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},
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},
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})
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);
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process.env.APP_SETTINGS_NESTED_VALUE = 'deep-value';
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const manager = new ConfigManager({
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loaders: [
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new FileLoader(configDir, 'development'),
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new EnvLoader('')
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]
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loaders: [new FileLoader(configDir, 'development'), new EnvLoader('')],
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});
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const config = await manager.initialize(appConfigSchema);
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@ -138,13 +132,13 @@ describe('Edge Cases and Error Handling', () => {
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test('should handle extremely deep nesting in environment variables', async () => {
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// Test very deep nesting
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process.env.LEVEL1_LEVEL2_LEVEL3_LEVEL4_LEVEL5_VALUE = 'deep-value';
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const manager = new ConfigManager({
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loaders: [new EnvLoader('', { nestedDelimiter: '_' })]
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loaders: [new EnvLoader('', { nestedDelimiter: '_' })],
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});
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const config = await manager.initialize();
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// Should create nested structure
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expect((config as any).level1?.level2?.level3?.level4?.level5?.value).toBe('deep-value');
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});
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@ -152,15 +146,15 @@ describe('Edge Cases and Error Handling', () => {
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test('should handle conflicting data types in config merging', async () => {
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const configDir = join(TEST_DIR, 'config');
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mkdirSync(configDir, { recursive: true });
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// File config has object
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writeFileSync(
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join(configDir, 'development.json'),
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JSON.stringify({
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database: {
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host: 'localhost',
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port: 5432
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}
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port: 5432,
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},
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})
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);
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@ -168,14 +162,11 @@ describe('Edge Cases and Error Handling', () => {
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process.env.DATABASE = 'simple-string';
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const manager = new ConfigManager({
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loaders: [
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new FileLoader(configDir, 'development'),
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new EnvLoader('')
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]
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loaders: [new FileLoader(configDir, 'development'), new EnvLoader('')],
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});
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const config = await manager.initialize(appConfigSchema);
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// Environment variable should win
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expect(config.database).toBe('simple-string');
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});
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@ -184,15 +175,15 @@ describe('Edge Cases and Error Handling', () => {
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// Create multiple config setups in different directories
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const dir1 = join(TEST_DIR, 'dir1');
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const dir2 = join(TEST_DIR, 'dir2');
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mkdirSync(join(dir1, 'config'), { recursive: true });
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mkdirSync(join(dir2, 'config'), { recursive: true });
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writeFileSync(
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join(dir1, 'config', 'development.json'),
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JSON.stringify({ app: { name: 'dir1-app' } })
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);
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writeFileSync(
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join(dir2, 'config', 'development.json'),
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JSON.stringify({ app: { name: 'dir2-app' } })
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@ -229,13 +220,13 @@ JSON_VALUE={"key": "value", "nested": {"array": [1, 2, 3]}}
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);
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process.chdir(TEST_DIR);
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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const config = await manager.initialize();
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// Should handle valid entries
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expect(process.env.VALID_KEY).toBe('valid_value');
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expect(process.env.KEY_WITH_QUOTES).toBe('quoted value');
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test('should handle empty config files', async () => {
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const configDir = join(TEST_DIR, 'config');
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mkdirSync(configDir, { recursive: true });
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// Create empty JSON file
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writeFileSync(join(configDir, 'development.json'), '{}');
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const manager = new ConfigManager({
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loaders: [new FileLoader(configDir, 'development')]
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loaders: [new FileLoader(configDir, 'development')],
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});
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const config = await manager.initialize(appConfigSchema);
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test('should handle config initialization without schema', async () => {
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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// Initialize without schema
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test('should handle accessing config before initialization', () => {
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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// Should throw error when accessing uninitialized config
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test('should handle invalid config paths in getValue', async () => {
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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const config = await manager.initialize(appConfigSchema);
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// Should throw for invalid paths
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expect(() => manager.getValue('nonexistent.path')).toThrow('Configuration key not found');
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expect(() => manager.getValue('app.nonexistent')).toThrow('Configuration key not found');
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// Should work for valid paths
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expect(() => manager.getValue('environment')).not.toThrow();
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});
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process.env.EMPTY_VALUE = '';
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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const config = await manager.initialize();
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expect((config as any).null_value).toBe(null);
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expect((config as any).undefined_value).toBe(undefined);
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expect((config as any).empty_value).toBe('');
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process.env.SERVICE_PORT = 'not-a-number'; // This should cause validation to fail
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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await expect(manager.initialize(appConfigSchema)).rejects.toThrow(ConfigValidationError);
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test('should handle config updates with invalid schema', async () => {
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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await manager.initialize(appConfigSchema);
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expect(() => {
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manager.set({
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service: {
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port: 'invalid-port' as any
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}
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port: 'invalid-port' as any,
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},
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});
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}).toThrow(ConfigValidationError);
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});
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test('should handle loader priority conflicts', async () => {
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const configDir = join(TEST_DIR, 'config');
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mkdirSync(configDir, { recursive: true });
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writeFileSync(
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join(configDir, 'development.json'),
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JSON.stringify({ app: { name: 'file-config' } })
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const manager = new ConfigManager({
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loaders: [
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new FileLoader(configDir, 'development'), // priority 50
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new EnvLoader('') // priority 100
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]
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new EnvLoader(''), // priority 100
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],
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});
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const config = await manager.initialize(appConfigSchema);
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// Environment should win due to higher priority
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expect(config.app.name).toBe('env-config');
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});
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test('should handle readonly environment variables', async () => {
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// Some system environment variables might be readonly
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const originalPath = process.env.PATH;
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// This should not cause the loader to fail
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const manager = new ConfigManager({
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loaders: [new EnvLoader('')]
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loaders: [new EnvLoader('')],
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});
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const config = await manager.initialize();
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expect(config).toBeDefined();
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// PATH should not be modified
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expect(process.env.PATH).toBe(originalPath);
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});
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});
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});
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