add desktop logger unit tests

td.vue/jest.config.js

@@ -17,7 +17,7 @@ module.exports = {
         '!src/service/demo/**',
         '!**/node_modules/**',
         '!**/coverage/**',
-        '!src/main.js', // Bootstrap code
+        '!src/main*.js', // Bootstrap code for web app and desktop app
         '!src/plugins/*.js' // Boostrap code
     ],
     resetMocks: true,

td.vue/src/desktop/logger.js

@@ -1,12 +1,12 @@
 'use strict';
+export const log = require('electron-log');
 
-const logLevel = process.env.LOG_LEVEL || 'debug';
+export const consoleLogLevel = 'error';
+export const fileLogLevel = process.env.LOG_LEVEL || 'debug';
 const isDevelopment = process.env.NODE_ENV !== 'production';
 const isMacOS = process.platform === 'darwin';
 const isWin = (process.platform === 'win32' || process.platform === 'win64');
 
-export const log = require('electron-log');
-
 if (isDevelopment) {
     if (isMacOS) {
         console.log('** Redirecting console to log ~/Library/Logs/Threat\\ Dragon/main.log');
@@ -17,16 +17,12 @@ if (isDevelopment) {
     }
 }
 
-// set up electron-specific logLevel for the log file
-log.info('Electron log level is set to: ' + logLevel);
-log.transports.file.level = logLevel;
+// set up electron-specific fileLogLevel for the log file
+log.info('Electron log level is set to: ' + fileLogLevel);
+log.transports.file.level = fileLogLevel;
 
-// redirect electron-console messages to electron-log file (also using logLevel)
+// redirect electron-console messages to electron-log file (also uses fileLogLevel)
 Object.assign(console, log.functions);
 
 // only echo error messages to console
-log.transports.console.level = 'error';
-
-export default {
-    log
-};
+log.transports.console.level = consoleLogLevel;

td.vue/tests/unit/desktop/logger.spec.js

@@ -1,11 +1,25 @@
-// these unit tests are waiting to be filled in during the desktop development
+import {consoleLogLevel, fileLogLevel, log} from '@/desktop/logger.js';
+
 describe('desktop/logger.js', () => {
 
-    describe('Desktop logger', () => {
-        it('should exit cleanly', () => {
-            // this is a placeholder for the real test yet to be written
-            expect(true).toBe(true);
+    describe('Electron server log levels', () => {
+
+        it('should set the file log level', () => {
+            expect(fileLogLevel).toMatch(process.env.LOG_LEVEL);
+        });
+
+        it('should set the console log level', () => {
+            expect(consoleLogLevel).toMatch('error');
+        });
+
+    });
+
+    describe('Electron server log transports', () => {
+
+        it('should be defined', () => {
+            expect(log.transports).toBeDefined();
         });
+
     });
 
 });