Refactoring of code used for test.

Author: cyrilverloop

test/File.js

@@ -2,11 +2,29 @@ import lineByLine from 'n-readlines';
 
 export default class File {
 
+    // Properties :
+
+    #liner;
+
+
+    // Constructor :
+
+    /**
+     * The constructor.
+     * @param {string} filename - the file name.
+     */
     constructor(filename) {
-        this._liner = new lineByLine(filename);
+        this.#liner = new lineByLine(filename);
     }
 
+
+    // Methods :
+
+    /**
+     * Reads a line.
+     * @returns {string} - a line.
+     */
     readline() {
-        return this._liner.next().toString("utf8");
+        return this.#liner.next().toString("utf8");
     }
 }

test/assertOutputAnswer.js

@@ -2,7 +2,7 @@ import { assert } from 'chai';
 import File from './File.js';
 
 function assertOutputAnswer(fileName) {
-    let outputFile = new File(fileName);
+    const outputFile = new File(fileName);
     let userAnswer = '';
     let line = outputFile.readline();
     let answer = "";