CtCI-6th-Edition-JavaScript-ES2015/src/chapter1/ch1-q4.spec.js at ddec4afb9fe80f4b008aaa715c70dad93771ad71 · careercup/CtCI-6th-Edition-JavaScript-ES2015 · GitHub

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import { expect } from 'chai';
import * as funcs from './ch1-q4';

for (let key in funcs) {
  let func = funcs[key];

  describe('ch1-q4: ' + key, function() {

    it('returns false with null/undefined as input', function() {
      expect(func(undefined)).to.be.false;
      expect(func(null)).to.be.false;
    });

    it('returns true for an empty array', function() {
      expect(func([])).to.be.true;
    });

    [
      ' ',
      '   ',
      'Tact Coa',
      'aabb',
      'ab a b',
      ' a b a b ',
      'sasadfgsadfghjk;hjk;sadfghjk;dfghjk;',
      'sa sadfgsadfgh jk;hjkz;sadfg hjk;dfghjk;'
    ].forEach(arg => {

      if (key === 'isPalindromePermutationsBit') {
        if(/^[a-zA-Z\s]+$/.test(arg)) {

          it(`returns true for palindromic string which only contains English alphabet and space: '${arg}'`, function() {
            expect(func(arg.split(''))).to.be.true;
          });

        }
      } else {

        it(`returns true for palindromic string: '${arg}'`, function() {
          expect(func(arg.split(''))).to.be.true;
        });

      }
    });

    [
      'abcadef',
      '1234567890',
      'a b',
      'sg! sG$'
    ].forEach(arg => {

      if (key === 'isPalindromePermutationsBit') {
        if(/^[a-zA-Z\s]+$/.test(arg)) {

          it(`returns false for palindromic string which only contains English alphabet and space: '${arg}'`, function() {
            expect(func(arg.split(''))).to.be.false;
          });

        }
      } else {

        it(`returns false for non-palindromic string: '${arg}'`, function() {
          expect(func(arg.split(''))).to.be.false;
        });

      }
    });

  });
}