fix test for logging, test logging, silence logger in test

backend/src/mailer/sendEMail.test.ts

@@ -1,13 +1,34 @@
-import { sendEMail } from './sendEMail'
+import { sendEMail, logger } from './sendEMail'
 import { createTransport } from 'nodemailer'
 import CONFIG from '@/config'
 
+import { getLogger } from '@/server/logger'
+
 CONFIG.EMAIL = false
 CONFIG.EMAIL_SMTP_URL = 'EMAIL_SMTP_URL'
 CONFIG.EMAIL_SMTP_PORT = '1234'
 CONFIG.EMAIL_USERNAME = 'user'
 CONFIG.EMAIL_PASSWORD = 'pwd'
 
+jest.mock('@/server/logger', () => {
+  const originalModule = jest.requireActual('@/server/logger')
+  return {
+    __esModule: true,
+    ...originalModule,
+    getLogger: jest.fn(() => {
+      return {
+        addContext: jest.fn(),
+        trace: jest.fn(),
+        debug: jest.fn(),
+        warn: jest.fn(),
+        info: jest.fn(),
+        error: jest.fn(),
+        fatal: jest.fn(),
+      }
+    }),
+  }
+})
+
 jest.mock('nodemailer', () => {
   return {
     __esModule: true,
@@ -25,12 +46,13 @@ jest.mock('nodemailer', () => {
 
 describe('sendEMail', () => {
   let result: boolean
+  describe('logger', () => {
+    it('initializes the logger', () => {
+      expect(getLogger).toBeCalledWith('backend.mailer.sendEMail')
+    })
+  })
+
   describe('config email is false', () => {
-    // eslint-disable-next-line no-console
-    const consoleLog = console.log
-    const consoleLogMock = jest.fn()
-    // eslint-disable-next-line no-console
-    console.log = consoleLogMock
     beforeEach(async () => {
       result = await sendEMail({
         to: 'receiver@mail.org',
@@ -39,13 +61,8 @@ describe('sendEMail', () => {
       })
     })
 
-    afterAll(() => {
-      // eslint-disable-next-line no-console
-      console.log = consoleLog
-    })
-
-    it('logs warining to console', () => {
-      expect(consoleLogMock).toBeCalledWith('Emails are disabled via config')
+    it('logs warining', () => {
+      expect(logger.info).toBeCalledWith('Emails are disabled via config...')
     })
 
     it('returns false', () => {

backend/src/mailer/sendEMail.ts

@@ -1,9 +1,9 @@
-import log4js from '@/server/logger'
+import { getLogger } from '@/server/logger'
 import { createTransport } from 'nodemailer'
 
 import CONFIG from '@/config'
 
-const logger = log4js.getLogger('backend.mailer.sendEMail')
+export const logger = getLogger('backend.mailer.sendEMail')
 
 export const sendEMail = async (emailDef: {
   to: string