custom parser for cbc.ca (#699)

Co-authored-by: Andrei Zhemaituk <azhemoytuk@workfusion.com>
Co-authored-by: Sarah Doire <sarah.doire@gmail.com>
Co-authored-by: Sarah Doire <sarah.doire@postlight.com>

src/extractors/custom/index.js

@@ -143,3 +143,4 @@ export * from './arstechnica.com';
 export * from './www.ndtv.com';
 export * from './www.spektrum.de';
 export * from './postlight.com';
+export * from './www.cbc.ca';

src/extractors/custom/www.cbc.ca/index.js

@@ -0,0 +1,36 @@
+export const WwwCbcCaExtractor = {
+  domain: 'www.cbc.ca',
+
+  title: {
+    selectors: ['h1'],
+  },
+
+  author: {
+    selectors: ['.authorText', '.bylineDetails'],
+  },
+
+  date_published: {
+    selectors: [['.timeStamp[datetime]', 'datetime']],
+  },
+
+  dek: {
+    selectors: ['.deck'],
+  },
+
+  lead_image_url: {
+    selectors: [['meta[name="og:image"]', 'value']],
+  },
+
+  content: {
+    selectors: ['.story'],
+
+    // Is there anything in the content you selected that needs transformed
+    // before it's consumable content? E.g., unusual lazy loaded images
+    transforms: {},
+
+    // Is there anything that is in the result that shouldn't be?
+    // The clean selectors will remove anything that matches from
+    // the result
+    clean: [],
+  },
+};

src/extractors/custom/www.cbc.ca/index.test.js

@@ -0,0 +1,112 @@
+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('WwwCbcCaExtractor', () => {
+  describe('initial test case', () => {
+    let result;
+    let url;
+    beforeAll(() => {
+      url = 'https://www.cbc.ca/news/business/crea-september-numbers-1.6616369';
+      const html = fs.readFileSync('./fixtures/www.cbc.ca/1665765912229.html');
+      result = Mercury.parse(url, { html, fallback: false });
+    });
+
+    it('is selected properly', () => {
+      // This test should be passing by default.
+      // It sanity checks that the correct parser
+      // is being selected for URLs from this domain
+      const extractor = getExtractor(url);
+      assert.equal(extractor.domain, URL.parse(url).hostname);
+    });
+
+    it('returns the title', async () => {
+      // To pass this test, fill out the title selector
+      // in ./src/extractors/custom/www.cbc.ca/index.js.
+      const { title } = await result;
+
+      // Update these values with the expected values from
+      // the article.
+      assert.equal(
+        title,
+        `Housing market slowdown continues with sales and average prices well down from last year`
+      );
+    });
+
+    it('returns the author', async () => {
+      // To pass this test, fill out the author selector
+      // in ./src/extractors/custom/www.cbc.ca/index.js.
+      const { author } = await result;
+
+      // Update these values with the expected values from
+      // the article.
+      assert.equal(author, `Pete Evans`);
+    });
+
+    it('returns the date_published', async () => {
+      // To pass this test, fill out the date_published selector
+      // in ./src/extractors/custom/www.cbc.ca/index.js.
+      const { date_published } = await result;
+
+      // Update these values with the expected values from
+      // the article.
+      assert.equal(date_published, '2022-10-14T16:20:52.800Z');
+    });
+
+    it('returns the dek', async () => {
+      // To pass this test, fill out the dek selector
+      // in ./src/extractors/custom/www.cbc.ca/index.js.
+      const { dek } = await result;
+
+      // Update these values with the expected values from
+      // the article.
+      assert.equal(
+        dek,
+        'Average price of a home that sold in September was $640,479'
+      );
+    });
+
+    it('returns the lead_image_url', async () => {
+      // To pass this test, fill out the lead_image_url selector
+      // in ./src/extractors/custom/www.cbc.ca/index.js.
+      const { lead_image_url } = await result;
+
+      // Update these values with the expected values from
+      // the article.
+      assert.equal(
+        lead_image_url,
+        `https://i.cbc.ca/1.6616381.1665753066!/fileImage/httpImage/image.JPG_gen/derivatives/16x9_620/real-estate-sign.JPG`
+      );
+    });
+
+    it('returns the content', async () => {
+      // To pass this test, fill out the content selector
+      // in ./src/extractors/custom/www.cbc.ca/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,
+        'New numbers from the Canadian Real Estate Association confirm what buyers, sellers and'
+      );
+    });
+  });
+});