test/google-tests.js

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import nock from 'nock';

import * as google from '../lib/shortener/google';

const googlDomain = 'https://goo.gl';
const shortUrl = '/short';

describe('Google short URL resolver tests', () => {
    after(() => {
        nock.cleanAll();
    });

    const resolver = new google.ShortLinkResolver();

    it('Resolves simple URLs', async () => {
        nock(googlDomain)
            .head(shortUrl)
            .reply(302, {}, { location: 'http://long.url/' });

        const resp = await resolver.resolve(googlDomain + shortUrl);
        resp.should.deep.equal({ longUrl: 'http://long.url/' });
    });

    it('Handles missing long urls', () => {
        nock(googlDomain)
            .head(shortUrl)
            .reply(404);

        return resolver
            .resolve(googlDomain + shortUrl)
            .should.be.rejectedWith('Got response 404');
    });

    it('Handles missing location header', () => {
        nock(googlDomain)
            .head(shortUrl)
            .reply(302);

        return resolver
            .resolve(googlDomain + shortUrl)
            .should.be.rejectedWith('Missing location url in undefined');
    });

    it('Handles failed requests', () => {
        nock(googlDomain)
            .head(shortUrl)
            .replyWithError('Something went wrong');

        return resolver
            .resolve(googlDomain + shortUrl)
            .should.be.rejectedWith('Something went wrong');
    });
});