diff --git a/.rubocop.yml b/.rubocop.yml
index 1538636a..c2504a32 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -19,10 +19,7 @@ AllCops:
     - LICENSE.txt
     - README.md
 
-    - features/**/*
     - script/**/*
-    - spec/**/*
-    - test/**/*
     - vendor/**/*
 
 Naming/MemoizedInstanceVariableName:
diff --git a/spec/jekyll-feed_spec.rb b/spec/jekyll-feed_spec.rb
index e042c425..1a8cc5c7 100644
--- a/spec/jekyll-feed_spec.rb
+++ b/spec/jekyll-feed_spec.rb
@@ -43,53 +43,53 @@
   end
 
   it "puts all the posts in the feed.xml file" do
-    expect(contents).to match /http:\/\/example\.org\/updates\/2014\/03\/04\/march-the-fourth\.html/
-    expect(contents).to match /http:\/\/example\.org\/news\/2014\/03\/02\/march-the-second\.html/
-    expect(contents).to match /http:\/\/example\.org\/news\/2013\/12\/12\/dec-the-second\.html/
+    expect(contents).to match "http://example.org/updates/2014/03/04/march-the-fourth.html"
+    expect(contents).to match "http://example.org/news/2014/03/02/march-the-second.html"
+    expect(contents).to match "http://example.org/news/2013/12/12/dec-the-second.html"
     expect(contents).to match "http://example.org/2015/08/08/stuck-in-the-middle.html"
-    expect(contents).to_not match /http:\/\/example\.org\/2016\/02\/09\/a-draft\.html/
+    expect(contents).to_not match "http://example.org/2016/02/09/a-draft.html"
   end
 
   it "does not include assets or any static files that aren't .html" do
-    expect(contents).not_to match /http:\/\/example\.org\/images\/hubot\.png/
-    expect(contents).not_to match /http:\/\/example\.org\/feeds\/atom\.xml/
+    expect(contents).not_to match "http://example.org/images/hubot.png"
+    expect(contents).not_to match "http://example.org/feeds/atom.xml"
   end
 
   it "preserves linebreaks in preformatted text in posts" do
-    expect(contents).to match %r!Line 1\nLine 2\nLine 3!
+    expect(contents).to match "Line 1\nLine 2\nLine 3"
   end
 
   it "supports post author name as an object" do
-    expect(contents).to match /<author>\s*<name>Ben<\/name>\s*<email>ben@example.com<\/email>\s*<uri>http:\/\/ben.balter.com<\/uri>\s*<\/author>/
+    expect(contents).to match %r!<author>\s*<name>Ben</name>\s*<email>ben@example\.com</email>\s*<uri>http://ben\.balter\.com</uri>\s*</author>!
   end
 
   it "supports post author name as a string" do
-    expect(contents).to match /<author>\s*<name>Pat<\/name>\s*<\/author>/
+    expect(contents).to match %r!<author>\s*<name>Pat</name>\s*</author>!
   end
 
   it "does not output author tag no author is provided" do
-    expect(contents).not_to match /<author>\s*<name><\/name>\s*<\/author>/
+    expect(contents).not_to match %r!<author>\s*<name></name>\s*</author>!
   end
 
   it "does use author reference with data from _data/authors.yml" do
-    expect(contents).to match /<author>\s*<name>Garth<\/name>\s*<email>example@mail.com<\/email>\s*<uri>http:\/\/garthdb.com<\/uri>\s*<\/author>/
+    expect(contents).to match %r!<author>\s*<name>Garth</name>\s*<email>example@mail\.com</email>\s*<uri>http://garthdb\.com</uri>\s*</author>!
   end
 
   it "converts markdown posts to HTML" do
-    expect(contents).to match /&lt;p&gt;March the second!&lt;\/p&gt;/
+    expect(contents).to match %r!&lt;p&gt;March the second\!&lt;/p&gt;!
   end
 
   it "uses last_modified_at where available" do
-    expect(contents).to match /<updated>2015-05-12T13:27:59\+00:00<\/updated>/
+    expect(contents).to match %r!<updated>2015-05-12T13:27:59\+00:00</updated>!
   end
 
   it "replaces newlines in posts to spaces" do
-    expect(contents).to match %r!<title type="html">The plugin will properly strip newlines.</title>!
+    expect(contents).to match '<title type="html">The plugin will properly strip newlines.</title>'
   end
 
   it "renders Liquid inside posts" do
-    expect(contents).to match %r!Liquid is rendered\.!
-    expect(contents).not_to match %r!Liquid is not rendered\.!
+    expect(contents).to match "Liquid is rendered."
+    expect(contents).not_to match "Liquid is not rendered."
   end
 
   it "includes the item image" do
@@ -239,9 +239,9 @@
     end
 
     it "correctly adds the baseurl to the posts" do
-      expect(contents).to match /http:\/\/example\.org\/bass\/updates\/2014\/03\/04\/march-the-fourth\.html/
-      expect(contents).to match /http:\/\/example\.org\/bass\/news\/2014\/03\/02\/march-the-second\.html/
-      expect(contents).to match /http:\/\/example\.org\/bass\/news\/2013\/12\/12\/dec-the-second\.html/
+      expect(contents).to match "http://example.org/bass/updates/2014/03/04/march-the-fourth.html"
+      expect(contents).to match "http://example.org/bass/news/2014/03/02/march-the-second.html"
+      expect(contents).to match "http://example.org/bass/news/2013/12/12/dec-the-second.html"
     end
 
     it "renders the feed meta" do
@@ -258,11 +258,11 @@
 
     context "with a blank site name" do
       let(:config) do
-        Jekyll.configuration({
+        Jekyll.configuration(
           "source"      => source_dir,
           "destination" => dest_dir,
-          "url"         => "http://example.org",
-        })
+          "url"         => "http://example.org"
+        )
       end
 
       it "does not output blank title" do
@@ -296,9 +296,9 @@
         "feed" => {
           "collections" => {
             "posts" => {
-              "path" => "atom.xml"
-            }
-          }
+              "path" => "atom.xml",
+            },
+          },
         },
       }
     end
@@ -323,70 +323,70 @@
     let(:overrides) { { "lang" => "en-US" } }
 
     it "should set the language" do
-      expect(contents).to match %r!type="text/html" hreflang="en-US" />!
+      expect(contents).to match 'type="text/html" hreflang="en-US" />'
     end
   end
 
   context "with post.lang set" do
     it "should set the language for that entry" do
-      expect(contents).to match %r!<entry xml:lang="en">!
-      expect(contents).to match %r!<entry>!
+      expect(contents).to match '<entry xml:lang="en">'
+      expect(contents).to match '<entry>'
     end
   end
 
   context "categories" do
     context "with top-level post categories" do
-      let(:overrides) {
+      let(:overrides) do
         {
-          "feed" => { "categories" => ["news"] }
+          "feed" => { "categories" => ["news"] },
         }
-      }
+      end
       let(:news_feed) { File.read(dest_dir("feed/news.xml")) }
 
       it "outputs the primary feed" do
-        expect(contents).to match /http:\/\/example\.org\/updates\/2014\/03\/04\/march-the-fourth\.html/
-        expect(contents).to match /http:\/\/example\.org\/news\/2014\/03\/02\/march-the-second\.html/
-        expect(contents).to match /http:\/\/example\.org\/news\/2013\/12\/12\/dec-the-second\.html/
+        expect(contents).to match "http://example.org/updates/2014/03/04/march-the-fourth.html"
+        expect(contents).to match "http://example.org/news/2014/03/02/march-the-second.html"
+        expect(contents).to match "http://example.org/news/2013/12/12/dec-the-second.html"
         expect(contents).to match "http://example.org/2015/08/08/stuck-in-the-middle.html"
-        expect(contents).to_not match /http:\/\/example\.org\/2016\/02\/09\/a-draft\.html/
+        expect(contents).to_not match "http://example.org/2016/02/09/a-draft.html"
       end
 
       it "outputs the category feed" do
-        expect(news_feed).to match "<title type=\"html\">My awesome site | News</title>"
-        expect(news_feed).to match /http:\/\/example\.org\/news\/2014\/03\/02\/march-the-second\.html/
-        expect(news_feed).to match /http:\/\/example\.org\/news\/2013\/12\/12\/dec-the-second\.html/
-        expect(news_feed).to_not match /http:\/\/example\.org\/updates\/2014\/03\/04\/march-the-fourth\.html/
+        expect(news_feed).to match '<title type="html">My awesome site | News</title>'
+        expect(news_feed).to match "http://example.org/news/2014/03/02/march-the-second.html"
+        expect(news_feed).to match "http://example.org/news/2013/12/12/dec-the-second.html"
+        expect(news_feed).to_not match "http://example.org/updates/2014/03/04/march-the-fourth.html"
         expect(news_feed).to_not match "http://example.org/2015/08/08/stuck-in-the-middle.html"
       end
     end
 
     context "with collection-level post categories" do
-      let(:overrides) {
+      let(:overrides) do
         {
           "feed" => {
             "collections" => {
               "posts" => {
-                "categories" => ["news"]
-              }
-            }
-          }
+                "categories" => ["news"],
+              },
+            },
+          },
         }
-      }
+      end
       let(:news_feed) { File.read(dest_dir("feed/news.xml")) }
 
       it "outputs the primary feed" do
-        expect(contents).to match /http:\/\/example\.org\/updates\/2014\/03\/04\/march-the-fourth\.html/
-        expect(contents).to match /http:\/\/example\.org\/news\/2014\/03\/02\/march-the-second\.html/
-        expect(contents).to match /http:\/\/example\.org\/news\/2013\/12\/12\/dec-the-second\.html/
+        expect(contents).to match "http://example.org/updates/2014/03/04/march-the-fourth.html"
+        expect(contents).to match "http://example.org/news/2014/03/02/march-the-second.html"
+        expect(contents).to match "http://example.org/news/2013/12/12/dec-the-second.html"
         expect(contents).to match "http://example.org/2015/08/08/stuck-in-the-middle.html"
-        expect(contents).to_not match /http:\/\/example\.org\/2016\/02\/09\/a-draft\.html/
+        expect(contents).to_not match "http://example.org/2016/02/09/a-draft.html"
       end
 
       it "outputs the category feed" do
-        expect(news_feed).to match "<title type=\"html\">My awesome site | News</title>"
-        expect(news_feed).to match /http:\/\/example\.org\/news\/2014\/03\/02\/march-the-second\.html/
-        expect(news_feed).to match /http:\/\/example\.org\/news\/2013\/12\/12\/dec-the-second\.html/
-        expect(news_feed).to_not match /http:\/\/example\.org\/updates\/2014\/03\/04\/march-the-fourth\.html/
+        expect(news_feed).to match '<title type="html">My awesome site | News</title>'
+        expect(news_feed).to match "http://example.org/news/2014/03/02/march-the-second.html"
+        expect(news_feed).to match "http://example.org/news/2013/12/12/dec-the-second.html"
+        expect(news_feed).to_not match "http://example.org/updates/2014/03/04/march-the-fourth.html"
         expect(news_feed).to_not match "http://example.org/2015/08/08/stuck-in-the-middle.html"
       end
     end
@@ -396,73 +396,72 @@
     let(:collection_feed) { File.read(dest_dir("feed/collection.xml")) }
 
     context "when initialized as an array" do
-      let(:overrides) {
+      let(:overrides) do
         {
           "collections" => {
             "collection" => {
-              "output" => true
-            }
+              "output" => true,
+            },
           },
-          "feed" => { "collections" => ["collection"] }
+          "feed"        => { "collections" => ["collection"] },
         }
-      }
-
+      end
 
       it "outputs the collection feed" do
-        expect(collection_feed).to match "<title type=\"html\">My awesome site | Collection</title>"
+        expect(collection_feed).to match '<title type="html">My awesome site | Collection</title>'
         expect(collection_feed).to match "http://example.org/collection/2018-01-01-collection-doc.html"
         expect(collection_feed).to match "http://example.org/collection/2018-01-02-collection-category-doc.html"
-        expect(collection_feed).to_not match /http:\/\/example\.org\/updates\/2014\/03\/04\/march-the-fourth\.html/
+        expect(collection_feed).to_not match "http://example.org/updates/2014/03/04/march-the-fourth.html"
         expect(collection_feed).to_not match "http://example.org/2015/08/08/stuck-in-the-middle.html"
       end
     end
 
     context "with categories" do
-      let(:overrides) {
+      let(:overrides) do
         {
           "collections" => {
             "collection" => {
-              "output" => true
-            }
+              "output" => true,
+            },
           },
-          "feed" => {
+          "feed"        => {
             "collections" => {
               "collection" => {
-                "categories" => ["news"]
-              }
-            }
-          }
+                "categories" => ["news"],
+              },
+            },
+          },
         }
-      }
+      end
       let(:news_feed) { File.read(dest_dir("feed/collection/news.xml")) }
 
       it "outputs the collection category feed" do
-        expect(news_feed).to match "<title type=\"html\">My awesome site | Collection | News</title>"
+        expect(news_feed).to match '<title type="html">My awesome site | Collection | News</title>'
         expect(news_feed).to match "http://example.org/collection/2018-01-02-collection-category-doc.html"
         expect(news_feed).to_not match "http://example.org/collection/2018-01-01-collection-doc.html"
-        expect(news_feed).to_not match /http:\/\/example\.org\/updates\/2014\/03\/04\/march-the-fourth\.html/
+        expect(news_feed).to_not match "http://example.org/updates/2014/03/04/march-the-fourth.html"
         expect(news_feed).to_not match "http://example.org/2015/08/08/stuck-in-the-middle.html"
       end
     end
 
     context "with a custom path" do
-      let(:overrides) {
+      let(:overrides) do
         {
           "collections" => {
             "collection" => {
-              "output" => true
-            }
+              "output" => true,
+            },
           },
-          "feed" => {
+          "feed"        => {
             "collections" => {
               "collection" => {
                 "categories" => ["news"],
-                "path" => "custom.xml"
-              }
-            }
-          }
+                "path"       => "custom.xml",
+              },
+            },
+          },
         }
-      }
+      end
 
       it "should write to the custom path" do
         expect(Pathname.new(dest_dir("custom.xml"))).to exist