import { MockLogger } from '../../../src/utils/mocks';
import { LogLevel } from '../../../src/types/utils';
describe('Logger', () => {
describe('MockLogger', () => {
let logger: MockLogger;
beforeEach(() => {
logger = new MockLogger();
});
it('should log messages with different levels', () => {
logger.log(LogLevel.INFO, 'Info message');
logger.log(LogLevel.ERROR, 'Error message');
logger.log(LogLevel.WARN, 'Warning message');
const logs = logger.getLogs();
expect(logs).toHaveLength(3);
expect(logs[0].level).toBe(LogLevel.INFO);
expect(logs[0].message).toBe('Info message');
expect(logs[1].level).toBe(LogLevel.ERROR);
expect(logs[1].message).toBe('Error message');
expect(logs[2].level).toBe(LogLevel.WARN);
expect(logs[2].message).toBe('Warning message');
});
it('should log messages with context', () => {
const context = { userId: '123', action: 'login' };
logger.log(LogLevel.INFO, 'User logged in', context);
const logs = logger.getLogs();
expect(logs).toHaveLength(1);
expect(logs[0].message).toBe('User logged in');
expect(logs[0].args).toEqual([context]);
});
it('should include timestamp in log entries', () => {
const beforeLog = new Date();
logger.log(LogLevel.INFO, 'Test message');
const afterLog = new Date();
const logs = logger.getLogs();
expect(logs[0].timestamp).toBeInstanceOf(Date);
expect(logs[0].timestamp.getTime()).toBeGreaterThanOrEqual(beforeLog.getTime());
expect(logs[0].timestamp.getTime()).toBeLessThanOrEqual(afterLog.getTime());
});
it('should clear logs', () => {
logger.log(LogLevel.INFO, 'Message 1');
logger.log(LogLevel.ERROR, 'Message 2');
expect(logger.getLogs()).toHaveLength(2);
logger.clear();
expect(logger.getLogs()).toHaveLength(0);
});
it('should handle logs without context', () => {
logger.log(LogLevel.DEBUG, 'Debug message');
const logs = logger.getLogs();
expect(logs[0].args).toEqual([]);
});
});
});
