Cst2989

const input = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]; // output = 20
const inputWithStrike = [
  10, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
]; // output = 30
const inputWithConsecutiveStrikes = [
  10, 0, 10, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
]; // output = 49
const inputWithPerfectScore = [
  10, 0, 10, 0, 10, 0, 10, 0, 10, 0, 10, 0, 10, 0, 10, 0, 10, 0, 10, 10, 10,
]; // output = 300

Cst2989

describe('bowlingScore error boundaries', () => {
  test('it should return error message for too few rolls', () => {
    const inputRolls = [1, 2, 3]; // ARRANGE

    const gameScore = bowlingScore(inputRolls); // ACT

    expect(gameScore).toBe('Invalid rolls input'); // ASSERT
  });
  test('it should return error message for too many rolls', () => {
    const inputRolls = [

Cst2989

test.only('this will be the only test that runs', () => {
   expect(true).toBe(false);
});
// or
describe.only('This will run only this block of tests', () => {
});

Cst2989

export const bowlingScore = (inputRolls) => {
  if (inputRolls.length < 20) {
    return 'Invalid number of rolls' 
  }
  let totalScore = 0;
  return totalScore;
};

Cst2989

export const bowlingScore = (inputRolls) => {
  if (
    inputRolls.length < 20 ||
    inputRolls.length > 21 ||
    inputRolls.some((roll) => roll < 0)
  ) {
    return 'Invalid rolls input';
  }
  let totalScore = 0;
  return totalScore;

Cst2989

export const bowlingScore = (inputRolls) => {
  let totalScore = 0;
  return totalScore;
};

Cst2989

describe('calculateFrame function', () => {
  test('it should return error message for non-zero number after strike', () => {
    const firstRoll = 10; // strike
    const secondRoll = 1; // invalid input
    
    const frameScore = calculateFrame(firstRoll, secondRoll);
    
    expect(frameScore).toBe('Invalid frame input');
  });
  test('it should return error message sum in frame is bigger than 10', () => {

Cst2989

const calculateFrame = (firstRoll, secondRoll) => {
  const rollSum = firstRoll + secondRoll;
  if (rollSum > 10) {
    return 'Invalid frame input';
  }
  return 0;
};

Cst2989

test('it should return the sum of the rolls', () => {
  const firstRoll = 7 
  const secondRoll = 2 
  
  const frameScore = calculateFrame(firstRoll, secondRoll);
  
  expect(frameScore).toBe(9);
});

test('it should return the / sign if the players hit a spare', () => {

Cst2989

export const calculateFrame = (rollOne, rollTwo) => {
  const score = rollOne + rollTwo;
  
  if (score > 10) {
    return 'Invalid frame input';
  }
  if (rollOne === 10) {
    return 'X';
  }