const { setUp } = require('./helpers');

describe('Data rendering', () => {

beforeAll(async () => {

await setUp(page);

});

it('should have a <select> element with sorted <option> elements', () =>

page

.evaluate(() => {

const nodeList = document.querySelectorAll('select > option');

return Array.from(nodeList).map(el => el.innerText);

})

.then(values => {

expect(values.length).toBeGreaterThan(0);

if (values.length > 0) {

const sortedValues = [...values].sort((a, b) => a.localeCompare(b));

expect(values).toEqual(sortedValues);

}

}));

it('should initially render the alumni repo from the select element', async () => {

const result = await page.evaluate(() => {

const root = document.querySelector('#root');

return root.innerText.includes('Alumni Guides');

});

expect(result).toBe(true);

});

it('should display the JavaScript3 repo upon selection', async () => {

const optionValue = await page.evaluate(() => {

const option = Array.from(document.querySelectorAll('select > option')).find(

opt => opt.innerText === 'JavaScript3',

);

return option ? option.getAttribute('value') : null;

});

let result = { repoNameFound: false, contributorNameFound: true };

if (optionValue) {

await page.select('select', optionValue);

await page.waitFor(1000);

result = await page.evaluate(() => {

const root = document.querySelector('#root');

const repoNameFound = root.innerText.includes('JavaScript3 module');

const contributorNameFound = root.innerText.includes('mkruijt');

return { repoNameFound, contributorNameFound };

});

}

expect(result).toEqual({ repoNameFound: true, contributorNameFound: true });

});