n8n/packages/core/test/InstanceSettings.test.ts

72 lines
2.4 KiB
TypeScript

import fs from 'fs';
import { InstanceSettings } from '@/InstanceSettings';
describe('InstanceSettings', () => {
process.env.N8N_USER_FOLDER = '/test';
const existSpy = jest.spyOn(fs, 'existsSync');
beforeEach(() => jest.resetAllMocks());
describe('If the settings file exists', () => {
const readSpy = jest.spyOn(fs, 'readFileSync');
beforeEach(() => existSpy.mockReturnValue(true));
it('should load settings from the file', () => {
readSpy.mockReturnValue(JSON.stringify({ encryptionKey: 'test_key' }));
const settings = new InstanceSettings();
expect(settings.encryptionKey).toEqual('test_key');
expect(settings.instanceId).toEqual(
'6ce26c63596f0cc4323563c529acfca0cccb0e57f6533d79a60a42c9ff862ae7',
);
});
it('should throw error if settings file is not valid JSON', () => {
readSpy.mockReturnValue('{"encryptionKey":"test_key"');
expect(() => new InstanceSettings()).toThrowError();
});
it('should throw if the env and file keys do not match', () => {
readSpy.mockReturnValue(JSON.stringify({ encryptionKey: 'key_1' }));
process.env.N8N_ENCRYPTION_KEY = 'key_2';
expect(() => new InstanceSettings()).toThrowError();
});
});
describe('If the settings file does not exist', () => {
const mkdirSpy = jest.spyOn(fs, 'mkdirSync');
const writeFileSpy = jest.spyOn(fs, 'writeFileSync');
beforeEach(() => {
existSpy.mockReturnValue(false);
mkdirSpy.mockReturnValue('');
writeFileSpy.mockReturnValue();
});
it('should create a new settings file', () => {
const settings = new InstanceSettings();
expect(settings.encryptionKey).not.toEqual('test_key');
expect(mkdirSpy).toHaveBeenCalledWith('/test/.n8n', { recursive: true });
expect(writeFileSpy).toHaveBeenCalledWith(
'/test/.n8n/config',
expect.stringContaining('"encryptionKey":'),
'utf-8',
);
});
it('should pick up the encryption key from env var N8N_ENCRYPTION_KEY', () => {
process.env.N8N_ENCRYPTION_KEY = 'env_key';
const settings = new InstanceSettings();
expect(settings.encryptionKey).toEqual('env_key');
expect(settings.instanceId).toEqual(
'2c70e12b7a0646f92279f427c7b38e7334d8e5389cff167a1dc30e73f826b683',
);
expect(settings.encryptionKey).not.toEqual('test_key');
expect(mkdirSpy).toHaveBeenCalledWith('/test/.n8n', { recursive: true });
expect(writeFileSpy).toHaveBeenCalledWith(
'/test/.n8n/config',
expect.stringContaining('"encryptionKey":'),
'utf-8',
);
});
});
});