swg01-palindrome/test/test.js

Palindrome detector

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());
    });

    it("Should return true for a mixed case palindrome", function() {
      let mixedPalindrome = new Phrase("Racecar");
      assert(mixedPalindrome.palindrome());
    });

    it("Should return true for a palindrome with punctuation", function() {
      let punctuatedPalindrome = new Phrase("Madam, I'm Adam");
      assert(punctuatedPalindrome.palindrome());
    });

    it("Should return false for an empty string", function() {
      let emptyPalindrome = new Phrase("");
      assert(!emptyPalindrome.palindrome());
    });

  });

  describe("#letters", function() {
    it("Should only return lettters", function() {
      let punctuatedPalindrome = new Phrase("Madam, I'm Adam");
      assert.strictEqual("MadamImAdam", punctuatedPalindrome.letters());
      //assert.strictEqual(punctuatedPalindrome.letters(), "MadamImAdam");
    });

    it("Should return the empty string on no match", function() {
      let noLetters = new Phrase("123321");
      assert.strictEqual(noLetters.letters(), "");
    });
  });
});