@rs-r2d2/log4ts/dist/logger/core/__tests__/Logger.test.js

A powerful, flexible logging library for TypeScript inspired by Apache Log4j, featuring colored output and emojis

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Logger_1 = require("../Logger");
const LogLevel_1 = require("../LogLevel");
describe('Logger', () => {
    let logger;
    let mockAppender;
    beforeEach(() => {
        mockAppender = {
            append: jest.fn(),
            setLayout: jest.fn()
        };
        logger = new Logger_1.Logger('TestLogger');
        logger.addAppender(mockAppender);
    });
    test('should create log events with correct level and message', () => {
        logger.info('Test message');
        expect(mockAppender.append).toHaveBeenCalledWith(expect.objectContaining({
            level: LogLevel_1.LogLevel.INFO,
            message: 'Test message',
            loggerName: 'TestLogger'
        }));
    });
    test('should handle placeholder substitution', () => {
        logger.debug('Test {} with {}', 'message', 123);
        expect(mockAppender.append).toHaveBeenCalledWith(expect.objectContaining({
            level: LogLevel_1.LogLevel.DEBUG,
            message: 'Test message with 123'
        }));
    });
    test('should handle error objects', () => {
        const error = new Error('Test error');
        logger.error('Failed', error);
        expect(mockAppender.append).toHaveBeenCalledWith(expect.objectContaining({
            level: LogLevel_1.LogLevel.ERROR,
            message: 'Failed',
            error
        }));
    });
});