// We need to mock the modules before importing the logger
// Now import the logger module
import { initializeLogFolder } from '../initializeLogFolder'
import { writeToLogFile } from '../writeToLogFile'
jest.mock('fs')
jest.mock('path')
jest.mock('../../config', () => ({
config: {
logging: {
filePath: '/path/to/logs/jira-local.log',
},
},
}))
jest.mock('../initializeLogFolder')
jest.mock('../writeToLogFile')
describe('Logger', function () {
const originalNodeEnv = process.env.NODE_ENV
let mockStdErrWrite: jest.SpyInstance
beforeEach(() => {
jest.clearAllMocks()
mockStdErrWrite = jest.spyOn(process.stderr, 'write').mockImplementation(() => true)
})
afterEach(() => {
mockStdErrWrite.mockRestore()
process.env.NODE_ENV = originalNodeEnv
jest.restoreAllMocks()
})
describe('log function', function () {
it('should suppress logs in test environment', function () {
const { log } = jest.requireActual('../logger')
process.env.NODE_ENV = 'test'
log('Test message')
expect(mockStdErrWrite).not.toHaveBeenCalled()
expect(writeToLogFile).not.toHaveBeenCalled()
})
it('should write logs in non-test environment', function () {
const { log } = jest.requireActual('../logger')
process.env.NODE_ENV = 'development'
log('Test message')
expect(mockStdErrWrite).toHaveBeenCalledTimes(1)
expect(writeToLogFile).toHaveBeenCalledTimes(1)
})
it('should write logs with timestamp and PID format', function () {
const { log } = jest.requireActual('../logger')
process.env.NODE_ENV = 'development'
log('Test message')
expect(mockStdErrWrite).toHaveBeenCalledTimes(1)
const output = mockStdErrWrite.mock.calls[0][0]
expect(output).toMatch(/\[\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d{3}Z\] \[PID:\d+\] LOG: Test message\n/)
})
it('should write logs to the log file when filePath is configured', function () {
const { log } = jest.requireActual('../logger')
process.env.NODE_ENV = 'development'
log('Test message')
expect(writeToLogFile).toHaveBeenCalledTimes(1)
const mockWriteToLogFile = writeToLogFile as jest.Mock
expect(mockWriteToLogFile.mock.calls[0][0]).toBe('/path/to/logs/jira-local.log')
expect(mockWriteToLogFile.mock.calls[0][1]).toMatch('LOG: Test message')
})
})
describe('getStackTrace function', function () {
it('should format stack trace correctly when stack is available', function () {
const { log } = jest.requireActual('../logger')
process.env.NODE_ENV = 'development'
const mockError = new Error()
mockError.stack = 'Error\n at line1\n at line2'
log('Test with stack trace', mockError)
expect(mockStdErrWrite).toHaveBeenCalledTimes(1)
const output = mockStdErrWrite.mock.calls[0][0]
expect(output).toContain('Stack trace:\n at line1\n at line2\n')
})
it('should handle undefined stack trace', function () {
const { log } = jest.requireActual('../logger')
process.env.NODE_ENV = 'development'
const mockError = new Error()
Object.defineProperty(mockError, 'stack', { value: undefined })
log('Test with undefined stack', mockError)
expect(mockStdErrWrite).toHaveBeenCalledTimes(1)
const output = mockStdErrWrite.mock.calls[0][0]
expect(output).not.toContain('Stack trace:')
})
})
describe('log directory initialization', function () {
it('should initialize log folder when config has filePath', function () {
// Use isolateModules to load logger in a clean context
jest.isolateModules(() => {
require('../logger')
})
// Now check if initializeLogFolder was called
expect(initializeLogFolder).toHaveBeenCalledWith('/path/to/logs/jira-local.log')
})
})
})
