Стилизация. Добавление теста для related

lib/index.js

@@ -44,21 +44,15 @@ function generateXML(data) {
 
         item_values.push({'turbo:content': {_cdata: fullContent}});
 
-                let relatedLink = function(related) {
-            return (
-                '<link url="' +
-                related.url +
-                '" img="' +
-                related.image_url +
-                '">' +
-                related.text +
-                '</link>'
-            );
-        };
-        ifTruePush(item.related, item_values, {
-            'yandex:related': item.related.map(relatedLink).join('')
-        });
-
+        if (typeof item.related !== "undefined") {
+            ifTruePush(item.related, item_values, {
+                'yandex:related': item.related.map(
+                    function (related) {
+                       return '<link url="' + related.link + '" img="' + related.image_url + '">' + related.text + '</link>';
+                    }
+                ).join('')
+            });
+        }
         channel.push({item: item_values});
 
     });

test/expectedOutput/relatedItem.xml

@@ -0,0 +1 @@
+<rss xmlns:yandex="http://news.yandex.ru" xmlns:media="http://search.yahoo.com/mrss/" xmlns:turbo="http://turbo.yandex.ru" version="2.0"><channel><title><![CDATA[title]]></title><link>http://example.com/rss.xml</link><description><![CDATA[description]]></description><language>ru</language><item turbo="true"><link>http://example.com/article4?this&amp;that</link><turbo:source>http://example.com/article4?this&amp;that</turbo:source><pubDate>Sat, 26 May 2012 21:00:00 GMT</pubDate><author>LightAir</author><turbo:content><![CDATA[<header><figure><img src="http://example.com/example.png" /></figure> <h1>item title</h1></header><p>hello</p>]]></turbo:content><yandex:related>&lt;link url=&quot;http://example.com/related/post1&quot; img=&quot;http://example.com/i/img1.jpg&quot;&gt;related link text 1&lt;/link&gt;&lt;link url=&quot;http://example.com/related/post2&quot; img=&quot;http://example.com/i/img2.jpg&quot;&gt;related link text 2&lt;/link&gt;</yandex:related></item></channel></rss>

test/index.js

@@ -1,27 +1,25 @@
 // prova is a wrapper for tape
 // use npm run test:browser to run tests in a browser
-var test = require('tape');
+const test = require('tape');
 
-var YTurbo = require('..');
+const YTurbo = require('..');
 
-var includeFolder = require('include-folder');
-var expectedOutput = includeFolder(__dirname + '/expectedOutput', /.*\.xml$/);
+const includeFolder = require('include-folder');
+const expectedOutput = includeFolder(__dirname + '/expectedOutput', /.*\.xml$/);
 
 require('mockdate').set('Wed, 10 Dec 2014 19:04:57 GMT');
 
 test('empty feed', function(t) {
     t.plan(2);
-    var feed = new YTurbo();
+    let feed = new YTurbo();
     t.equal(feed.xml(), expectedOutput.default.trim());
     feed.item();
     t.equal(feed.xml(), expectedOutput.defaultOneItem.trim());
 });
 
 test('default item', function(t) {
-
     t.plan(1);
-
-    var feed = new YTurbo({
+    let feed = new YTurbo({
         title: 'title',
         description: 'description',
         link: 'http://example.com/rss.xml',
@@ -32,3 +30,33 @@ test('default item', function(t) {
 
     t.equal(feed.xml(), expectedOutput.defaultItem.trim());
 });
+
+test('related item', function(t) {
+    t.plan(1);
+    let feed = new YTurbo({
+        title: 'title',
+        description: 'description',
+        link: 'http://example.com/rss.xml',
+        site_url: 'http://example.com'
+    });
+
+    feed.item({
+        title:  'item title',
+        image_url: 'http://example.com/example.png',
+        url: 'http://example.com/article4?this&that',
+        author: 'LightAir',
+        date: 'May 27, 2012',
+        content: '<p>hello</p>',
+        related: [{
+            link: 'http://example.com/related/post1',
+            image_url: 'http://example.com/i/img1.jpg',
+            text: 'related link text 1'
+        }, {
+            link: 'http://example.com/related/post2',
+            image_url: 'http://example.com/i/img2.jpg',
+            text: 'related link text 2'
+        }]
+    });
+
+    t.equal(feed.xml(), expectedOutput.relatedItem.trim());
+});