Expand link preview tests for tenor and giphy

test/modules/link_previews_test.js

@@ -192,7 +192,7 @@ describe('Link previews', () => {
       );
     });
 
-    it('returns html-decoded tag contents from Instagram', () => {
+    it('returns html-decoded tag contents from Imgur', () => {
       const imgur = `
         <meta property="og:site_name" content="Imgur">
         <meta property="og:url" content="https://imgur.com/gallery/KFCL8fm">
@@ -211,6 +211,50 @@ describe('Link previews', () => {
       );
     });
 
+    it('returns html-decoded tag contents from Giphy', () => {
+      const giphy = `
+        <meta property="og:site_name" content="GIPHY">
+        <meta property="og:url" content="https://media.giphy.com/media/3o7qE8mq5bT9FQj7j2/giphy.gif">
+        <meta property="og:type" content="video.other">
+        <meta property="og:title" content="I Cant Hear You Kobe Bryant GIF - Find & Share on GIPHY">
+        <meta property="og:description" content="Discover &amp; share this Kobe GIF with everyone you know. GIPHY is how you search, share, discover, and create GIFs.">
+        <meta property="og:image" content="https://media.giphy.com/media/3o7qE8mq5bT9FQj7j2/giphy.gif">
+        <meta property="og:image:width" content="480">
+        <meta property="og:image:height" content="262">
+      `;
+
+      assert.strictEqual(
+        'I Cant Hear You Kobe Bryant GIF - Find & Share on GIPHY',
+        getTitleMetaTag(giphy)
+      );
+      assert.strictEqual(
+        'https://media.giphy.com/media/3o7qE8mq5bT9FQj7j2/giphy.gif',
+        getImageMetaTag(giphy)
+      );
+    });
+
+    it('returns html-decoded tag contents from Tenor', () => {
+      const tenor = `
+        <meta class="dynamic" property="og:site_name" content="Tenor" >
+        <meta class="dynamic" property="og:url" content="https://media1.tenor.com/images/3772949a5b042e626d259f313fd1e9b8/tenor.gif?itemid=14834517">
+        <meta class="dynamic" property="og:type" content="video.other">
+        <meta class="dynamic" property="og:title" content="Hopping Jumping GIF - Hopping Jumping Bird - Discover & Share GIFs">
+        <meta class="dynamic" property="og:description" content="Click to view the GIF">
+        <meta class="dynamic" property="og:image" content="https://media1.tenor.com/images/3772949a5b042e626d259f313fd1e9b8/tenor.gif?itemid=14834517">
+        <meta class="dynamic" property="og:image:width" content="498">
+        <meta class="dynamic" property="og:image:height" content="435">
+      `;
+
+      assert.strictEqual(
+        'Hopping Jumping GIF - Hopping Jumping Bird - Discover & Share GIFs',
+        getTitleMetaTag(tenor)
+      );
+      assert.strictEqual(
+        'https://media1.tenor.com/images/3772949a5b042e626d259f313fd1e9b8/tenor.gif?itemid=14834517',
+        getImageMetaTag(tenor)
+      );
+    });
+
     it('returns only the first tag', () => {
       const html = `
         <meta property="og:title" content="First&nbsp;Second&nbsp;Third"><meta property="og:title" content="Fourth&nbsp;Fifth&nbsp;Sixth">
@@ -229,6 +273,17 @@ describe('Link previews', () => {
         getTitleMetaTag(html)
       );
     });
+
+    it('converts image url protocol http to https', () => {
+      const html = `
+        <meta property="og:image" content="http://giphygifs.s3.amazonaws.com/media/APcFiiTrG0x2/200.gif">
+      `;
+
+      assert.strictEqual(
+        'https://giphygifs.s3.amazonaws.com/media/APcFiiTrG0x2/200.gif',
+        getImageMetaTag(html)
+      );
+    });
   });
 
   describe('#findLinks', () => {