calculateFrame testing

calculateFrame-1.test.js

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', () => {
    const firstRoll = 7;
    const secondRoll = 5; // invalid input
    
    const frameScore = calculateFrame(firstRoll, secondRoll);
    
    expect(frameScore).toBe('Invalid frame input');
  });
});