solive-winston-logger/__tests__/emit.js

handle logs for solive projects

import createLogger from '../src'

describe('emit', () => {
	test('should emit every log it receives', (cb) => {
		const onNewLog = (log) => {
			expect(log.date).not.toBeUndefined()
			expect(log.message).not.toBeUndefined()
			cb()
		}
		const logger = createLogger({ env: 'testing', onNewLog })
		logger.trace('message')
	})

	test('should work without handler', () => {
		let error
		try {
			const logger = createLogger({ env: 'testing' })
			error = logger.trace('message')
		} catch (e) {
			error = e
		}
		expect(error).toBeUndefined()
	})

	test('should emit log from sub-instances', (cb) => {
		const onNewLog = (log) => {
			expect(log.date).not.toBeUndefined()
			expect(log.message).toBe('message')
			cb()
		}
		const logger = createLogger({ env: 'testing', onNewLog })
		const subLogger = logger.create({ tag: 'tag', action: 'action' })
		subLogger.info('message')
	})
})