You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
mercury-parser/src/extractors/custom/www.spektrum.de/index.test.js

88 lines
3.0 KiB
JavaScript

import assert from 'assert';
import URL from 'url';
import cheerio from 'cheerio';
import Mercury from 'mercury';
import getExtractor from 'extractors/get-extractor';
import { excerptContent } from 'utils/text';
const fs = require('fs');
describe('SpektrumExtractor', () => {
describe('initial test case', () => {
let result;
let url;
beforeAll(() => {
url =
'https://www.spektrum.de/news/genetik-das-geheimnis-der-parasitischen-rafflesien/2039026';
const html = fs.readFileSync(
'./fixtures/www.spektrum.de/1658928034778.html'
);
result = Mercury.parse(url, { html, fallback: false });
});
it('is selected properly', () => {
const extractor = getExtractor(url);
assert.equal(extractor.domain, URL.parse(url).hostname);
});
it('returns the title', async () => {
const { title } = await result;
assert.equal(title, 'Das Geheimnis der parasitischen Riesenblumen');
});
it('returns the author', async () => {
const { author } = await result;
assert.equal(author, 'Christie Wilcox');
});
it('returns the date_published', async () => {
const { date_published } = await result;
// The article has '19.07.2022' which Mercury parses correctly as 0:00 CEST on the 19th of July
// (we help it along by providing a timezone in our extractor that should match the location of the website)
// and then converts to a UTC ISO string, so the result is 10 pm on the day before.
// See also https://github.com/postlight/mercury-parser/issues/549
assert.equal(date_published, '2022-07-18T22:00:00.000Z');
});
it('returns the dek', async () => {
const { dek } = await result;
assert.equal(
dek,
'Das bizarre Genom der größten Blütenpflanze der Welt offenbart, zu was Parasiten alles fähig sind: Sie stehlen, ' +
'löschen und duplizieren DNA und manipulieren vielleicht sogar die Gene ihres Wirts. Etliche Details sind aber noch ungeklärt.'
);
});
it('returns the lead_image_url', async () => {
const { lead_image_url } = await result;
assert.equal(
lead_image_url,
'https://static.spektrum.de/fm/912/f1920x1080/Rafflesia-arnoldii_AdobeStock_317147924_Maizal.jpeg'
);
});
it('returns the content', async () => {
const { content } = await result;
const $ = cheerio.load(content || '');
const first13 = excerptContent(
$('*')
.first()
.text(),
13
);
// This would be the true beginning of the content. But since we have to include the dek in the content
// in order to be able to find it (see https://github.com/postlight/mercury-parser/issues/676),
// the content will start with the dek instead.
// assert.equal(first13, 'Auf den ersten Blick sind sie unsichtbar. In ihrer Heimat, den Wäldern Südostasiens,');
assert.equal(
first13,
'Das bizarre Genom der größten Blütenpflanze der Welt offenbart, zu was Parasiten alles'
);
});
});
});