tests: rm duplicate code for hypenToUpperCase util (#1888)

Author: snitin315

packages/webpack-cli/lib/utils/arg-utils.js

@@ -1,15 +1,15 @@
 const { commands } = require('./cli-flags');
 
-function hyphenToUpperCase(name) {
+const hyphenToUpperCase = (name) => {
     if (!name) {
         return name;
     }
     return name.replace(/-([a-z])/g, function (g) {
         return g[1].toUpperCase();
     });
-}
+};
 
-function arrayToObject(arr) {
+const arrayToObject = (arr) => {
     if (!arr) {
         return;
     }
@@ -18,7 +18,7 @@ function arrayToObject(arr) {
         result[hyphenToUpperCase(key)] = currentItem[key];
         return result;
     }, {});
-}
+};
 
 const isCommandUsed = (args) =>
     commands.find((cmd) => {
@@ -27,5 +27,6 @@ const isCommandUsed = (args) =>
 
 module.exports = {
     arrayToObject,
+    hyphenToUpperCase,
     isCommandUsed,
 };

test/utils/test-utils.js

@@ -6,6 +6,7 @@ const { sync: spawnSync, node: execaNode } = execa;
 const { Writable } = require('readable-stream');
 const concat = require('concat-stream');
 const { version } = require('webpack');
+const { hyphenToUpperCase } = require('../../packages/webpack-cli/lib/utils/arg-utils');
 
 const WEBPACK_PATH = path.resolve(__dirname, '../../packages/webpack-cli/bin/cli.js');
 const ENABLE_LOG_COMPILATION = process.env.ENABLE_PIPE || false;
@@ -235,15 +236,6 @@ const runInfo = (args, testPath) => {
     return run(testPath, ['info'].concat(args), false);
 };
 
-const hyphenToUpperCase = (name) => {
-    if (!name) {
-        return name;
-    }
-    return name.replace(/-([a-z])/g, function (g) {
-        return g[1].toUpperCase();
-    });
-};
-
 const isWindows = process.platform === 'win32';
 
 module.exports = {

test/utils/test-utils.test.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const { appendDataIfFileExists, run, runAndGetWatchProc } = require('./test-utils');
+const { appendDataIfFileExists, run, runAndGetWatchProc, hyphenToUpperCase } = require('./test-utils');
 const { writeFileSync, unlinkSync, readFileSync } = require('fs');
 const { resolve } = require('path');
 
@@ -106,3 +106,10 @@ describe('runAndGetWatchProc function', () => {
         expect(stdout).toContain('Which will be your application entry point?');
     });
 });
+
+describe('hyphenToUpperCase function', () => {
+    it('changes value from hypen to upperCase', () => {
+        const result = hyphenToUpperCase('test-value');
+        expect(result).toEqual('testValue');
+    });
+});