javascript-workbook/02week/tests.js at eb44828bd6a058ca686b9f8811f158cd8fa30c88 · LauraColten/javascript-workbook · GitHub

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'use strict';

const assert = require('assert');
const readline = require('readline');
const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});


function rockPaperScissors(hand1, hand2) {
  hand1 = hand1.trim().toLowerCase();
  hand2 = hand2.trim().toLowerCase();
  const validEntries = ['rock', 'paper', 'scissors'];
  if (!validEntries.includes(hand1) || !validEntries.includes(hand2)) {
    return "Please enter rock, paper, or scissors.";
  }
  if (hand1 === hand2) {
    return("It's a tie!");
  }
  else if (hand1 === 'rock') {
    if (hand2 === 'paper') {
      return("Hand two wins!");
    }
    else if (hand2 === 'scissors') {
      return("Hand one wins!");
    }
  }
  else if (hand1 === 'paper') {
    if (hand2 === 'rock') {
      return("Hand one wins!");
    }
    else if (hand2 === 'scissors') {
      return("Hand two wins!");
    }
  }
  else {
    if (hand2 === 'rock') {
      return("Hand two wins!");
    }
    else if (hand2 === 'paper') {
      return("Hand one wins!");
    }
  }
}


function getPrompt() {
  rl.question('hand1: ', (answer1) => {
    rl.question('hand2: ', (answer2) => {
      console.log( rockPaperScissors(answer1, answer2) );
      getPrompt();
    });
  });
}

// Tests

if (typeof describe === 'function') {

  describe('#rockPaperScissors()', () => {
    it('should detect a tie', () => {
      assert.equal(rockPaperScissors('rock', 'rock'), "It's a tie!");
      assert.equal(rockPaperScissors('paper', 'paper'), "It's a tie!");
      assert.equal(rockPaperScissors('scissors', 'scissors'), "It's a tie!");
    });
    it('should detect which hand won', () => {
      assert.equal(rockPaperScissors('rock', 'paper'), "Hand two wins!");
      assert.equal(rockPaperScissors('paper', 'scissors'), "Hand two wins!");
      assert.equal(rockPaperScissors('scissors', 'rock'), "Hand two wins!");
      assert.equal(rockPaperScissors('rock', 'scissors'), "Hand one wins!");
      assert.equal(rockPaperScissors('paper', 'rock'), "Hand one wins!");
      assert.equal(rockPaperScissors('scissors', 'paper'), "Hand one wins!");
    });
    it('should scrub input to ensure lowercase with "trim"ed whitepace', () => {
      assert.equal(rockPaperScissors('rOcK', ' paper '), "Hand two wins!");
      assert.equal(rockPaperScissors('Paper', 'SCISSORS'), "Hand two wins!");
      assert.equal(rockPaperScissors('rock ', 'sCiSsOrs'), "Hand one wins!");
    });
    it('should only accept "rock, paper, or scissors"', () => {
      assert.equal(rockPaperScissors('ball', 'hat'), "Please enter rock, paper, or scissors.");
    })
  });
} else {

  getPrompt();

}