improve code cov

Author: mdjastrzebski

src/helpers/__tests__/logger.test.ts

@@ -0,0 +1,36 @@
+import { _console, logger } from '../logger';
+
+beforeEach(() => {
+  jest.spyOn(_console, 'debug').mockImplementation(() => {});
+  jest.spyOn(_console, 'info').mockImplementation(() => {});
+  jest.spyOn(_console, 'warn').mockImplementation(() => {});
+  jest.spyOn(_console, 'error').mockImplementation(() => {});
+});
+
+test('debug should call console.debug', () => {
+  logger.debug('test message');
+
+  expect(_console.debug).toHaveBeenCalledTimes(1);
+  expect(_console.debug).toHaveBeenCalledWith(expect.any(String));
+});
+
+test('should call console.info', () => {
+  logger.info('info message');
+
+  expect(_console.info).toHaveBeenCalledTimes(1);
+  expect(_console.info).toHaveBeenCalledWith(expect.any(String));
+});
+
+test('should call console.warn', () => {
+  logger.warn('warning message');
+
+  expect(_console.warn).toHaveBeenCalledTimes(1);
+  expect(_console.warn).toHaveBeenCalledWith(expect.any(String));
+});
+
+test('should call console.error', () => {
+  logger.error('error message');
+
+  expect(_console.error).toHaveBeenCalledTimes(1);
+  expect(_console.error).toHaveBeenCalledWith(expect.any(String));
+});

src/helpers/logger.ts

@@ -3,25 +3,32 @@ import pc from 'picocolors';
 import redent from 'redent';
 import * as nodeUtil from 'util';
 
+export const _console = {
+  debug: nodeConsole.debug,
+  info: nodeConsole.info,
+  warn: nodeConsole.warn,
+  error: nodeConsole.error,
+};
+
 export const logger = {
   debug(message: unknown, ...args: unknown[]) {
     const output = formatMessage('●', message, ...args);
-    nodeConsole.debug(pc.dim(output));
+    _console.debug(pc.dim(output));
   },
 
   info(message: unknown, ...args: unknown[]) {
     const output = formatMessage('●', message, ...args);
-    nodeConsole.info(output);
+    _console.info(output);
   },
 
   warn(message: unknown, ...args: unknown[]) {
     const output = formatMessage('▲', message, ...args);
-    nodeConsole.warn(pc.yellow(output));
+    _console.warn(pc.yellow(output));
   },
 
   error(message: unknown, ...args: unknown[]) {
     const output = formatMessage('■', message, ...args);
-    nodeConsole.error(pc.red(output));
+    _console.error(pc.red(output));
   },
 };