computeResult.test.js

const { assert } = require('chai');
const computeResult = require('../challange/computeResult');

describe('return sum', () => {
	it('Must be a function', () => {
		assert.isFunction(computeResult, 'must be a function');
	});
	it('Return the result', () => {
		const answers = [ 'a', 'b', 'a', 'c' ];
		const studentAns = [ 'a', 'c', 'd', 'c' ];
		const sum = computeResult(answers, studentAns);
		assert.equal(sum, 6);
	});
	it('Account for empty answers', () => {
		const answers = [ 'a', 'b', 'a', 'c' ];
		const studentAns = [ 'a', 'c', 'd', ' ' ];
		const sum = computeResult(answers, studentAns);
		assert.equal(sum, 2);
	});
	it('Return 0 if result is less than zero', () => {
		const answers = [ 'a', 'b', 'a', 'c' ];
		const studentAns = [ 'c', 'c', 'd', 'm' ];
		const sum = computeResult(answers, studentAns);
		assert.equal(sum, 0);
	});
});

Test for computing result function