let assert = require("assert"); let Phrase = require("../index.js"); describe("Phrase", function() { describe("#palindrome", function() { it("should return false for a non-palindrome", function() { let nonPalindrome = new Phrase("apple"); assert(!nonPalindrome.palindrome()); }); it("should return true for a plain palindrome", function() { let plainPalindrome = new Phrase("racecar"); assert(plainPalindrome.palindrome()); }); }); });