Post sort fix (#2262)

* yarn lock file

* Fix post order bug where posts where ordered oldest to newest.
Updated tests to check for every posts prev and next properties.

* gitignore yarn.lock

.gitignore

@@ -3,4 +3,5 @@ node_modules/
 tmp/
 *.log
 .idea/
-coverage/
+coverage/
+yarn.lock

lib/plugins/generator/post.js

@@ -1,7 +1,7 @@
 'use strict';
 
 function postGenerator(locals) {
-  var posts = locals.posts.sort('-date').toArray();
+  var posts = locals.posts.sort('date').toArray();
   var length = posts.length;
 
   return posts.map(function(post, i) {

test/scripts/generators/post.js

@@ -76,14 +76,19 @@ describe('post', function() {
       {source: 'baz', slug: 'baz', date: 1e8 - 1}
     ]).then(function(posts) {
       return generator(locals()).then(function(data) {
-        should.not.exist(data[0].data.prev);
-        data[0].data.next._id.should.eql(posts[0]._id);
 
-        data[1].data.prev._id.should.eql(posts[1]._id);
-        data[1].data.next._id.should.eql(posts[2]._id);
+        // Posts should be sorted by date
+        data[0].data._id.should.eql(posts[2]._id);
+        data[1].data._id.should.eql(posts[0]._id);
+        data[2].data._id.should.eql(posts[1]._id);
 
-        data[2].data.prev._id.should.eql(posts[0]._id);
+        data[0].data.next._id.should.eq(posts[0]._id);
+        data[1].data.next._id.should.eq(posts[1]._id);
         should.not.exist(data[2].data.next);
+
+        should.not.exist(data[0].data.prev);
+        data[1].data.prev._id.should.eq(posts[2]._id);
+        data[2].data.prev._id.should.eq(posts[0]._id);
       }).thenReturn(posts);
     }).map(function(post) {
       return post.remove();