fix: Adapt CNBC extractor to article redesign (#336)

Author: toufic-m

fixtures/www.cnbc.com/1553160766510.html

@@ -2,7 +2,7 @@ export const WwwCnbcComExtractor = {
   domain: 'www.cnbc.com',
 
   title: {
-    selectors: ['h1.title'],
+    selectors: ['h1.title', 'h1.ArticleHeader-headline'],
   },
 
   author: {
@@ -18,7 +18,11 @@ export const WwwCnbcComExtractor = {
   },
 
   content: {
-    selectors: ['div#article_body.content', 'div.story'],
+    selectors: [
+      'div#article_body.content',
+      'div.story',
+      'div.ArticleBody-articleBody',
+    ],
 
     // Is there anything in the content you selected that needs transformed
     // before it's consumable content? E.g., unusual lazy loaded images

src/extractors/custom/www.cnbc.com/index.js

@@ -99,4 +99,54 @@ describe('WwwCnbcComExtractor', () => {
       );
     });
   });
+
+  describe('website redesign', () => {
+    let result;
+    let url;
+    beforeAll(() => {
+      url =
+        'https://www.cnbc.com/2019/03/18/heres-how-cybersecurity-vendors-drive-the-hacking-news-cycle.html';
+      const html = fs.readFileSync(
+        './fixtures/www.cnbc.com/1553160766510.html'
+      );
+      result = Mercury.parse(url, { html, fallback: false });
+    });
+
+    it('returns the title', async () => {
+      // To pass this test, fill out the title selector
+      // in ./src/extractors/custom/www.cnbc.com/index.js.
+      const { title } = await result;
+
+      // Update these values with the expected values from
+      // the article.
+      assert.equal(
+        title,
+        'Desperate to get through to executives, some cybersecurity vendors are resorting to lies and blackmail'
+      );
+    });
+
+    it('returns the content', async () => {
+      // To pass this test, fill out the content selector
+      // in ./src/extractors/custom/www.cnbc.com/index.js.
+      // You may also want to make use of the clean and transform
+      // options.
+      const { content } = await result;
+
+      const $ = cheerio.load(content || '');
+
+      const first13 = excerptContent(
+        $('*')
+          .first()
+          .text(),
+        13
+      );
+
+      // Update these values with the expected values from
+      // the article.
+      assert.equal(
+        first13,
+        'The cybersecurity vendor marketplace is growing so crowded that some companies have been'
+      );
+    });
+  });
 });