diff --git a/benchmark/benchmark.rb b/benchmark/benchmark.rb
index d9142ca2..731fa371 100755
--- a/benchmark/benchmark.rb
+++ b/benchmark/benchmark.rb
@@ -23,7 +23,7 @@ def compare_scrub_methods
 end
 
 module TestSet
-  def test_set options={}
+  def test_set(options = {})
     scale = options[:rehearse] ? 10 : 1
     puts self.class.name
 
@@ -49,6 +49,7 @@ class HeadToHead < Measure
 
 class HeadToHeadRailsSanitize < Measure
   include TestSet
+
   def bench(content, ntimes, fragment_p)
     clear_measure
 
@@ -65,6 +66,7 @@ def bench(content, ntimes, fragment_p)
 
 class HeadToHeadRailsStripTags < Measure
   include TestSet
+
   def bench(content, ntimes, fragment_p)
     clear_measure
 
@@ -81,6 +83,7 @@ def bench(content, ntimes, fragment_p)
 
 class HeadToHeadSanitizerSanitize < Measure
   include TestSet
+
   def bench(content, ntimes, fragment_p)
     clear_measure
 
@@ -100,6 +103,7 @@ def bench(content, ntimes, fragment_p)
 
 class HeadToHeadHtml5LibSanitize < Measure
   include TestSet
+
   def bench(content, ntimes, fragment_p)
     clear_measure
 
@@ -120,6 +124,7 @@ def bench(content, ntimes, fragment_p)
 
 class HeadToHeadHTMLFilter < Measure
   include TestSet
+
   def bench(content, ntimes, fragment_p)
     clear_measure
 
diff --git a/benchmark/helper.rb b/benchmark/helper.rb
index 6621e281..a1a52c78 100644
--- a/benchmark/helper.rb
+++ b/benchmark/helper.rb
@@ -1,13 +1,13 @@
-require 'rubygems'
-require 'open-uri'
-require 'hpricot'
+require "rubygems"
+require "open-uri"
+require "hpricot"
 require File.expand_path(File.dirname(__FILE__) + "/../lib/loofah")
-require 'benchmark'
+require "benchmark"
 require "action_view"
 require "action_controller/vendor/html-scanner"
 require "sanitize"
-require 'hitimes'
-require 'htmlfilter'
+require "hitimes"
+require "htmlfilter"
 
 unless defined?(HTMLFilter)
   HTMLFilter = HtmlFilter
@@ -19,20 +19,20 @@ class RailsSanitize
 end
 
 class HTML5libSanitize
-  require 'html5/html5parser'
-  require 'html5/liberalxmlparser'
-  require 'html5/treewalkers'
-  require 'html5/treebuilders'
-  require 'html5/serializer'
-  require 'html5/sanitizer'
+  require "html5/html5parser"
+  require "html5/liberalxmlparser"
+  require "html5/treewalkers"
+  require "html5/treebuilders"
+  require "html5/serializer"
+  require "html5/sanitizer"
 
   include HTML5
 
   def sanitize(html)
     HTMLParser.parse_fragment(html, {
-      :tokenizer  => HTMLSanitizer,
-      :encoding   => 'utf-8',
-      :tree       => TreeBuilders::REXML::TreeBuilder
+      :tokenizer => HTMLSanitizer,
+      :encoding => "utf-8",
+      :tree => TreeBuilders::REXML::TreeBuilder,
     }).to_s
   end
 end
diff --git a/test/helper.rb b/test/helper.rb
index 45fee19d..092e7f9c 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -1,8 +1,8 @@
-require 'rubygems'
-require 'minitest/unit'
-require 'minitest/spec'
-require 'minitest/autorun'
-require 'rr'
+require "rubygems"
+require "minitest/unit"
+require "minitest/spec"
+require "minitest/autorun"
+require "rr"
 
 require File.expand_path(File.join(File.dirname(__FILE__), "..", "lib", "loofah"))
 
diff --git a/test/html5/test_sanitizer.rb b/test/html5/test_sanitizer.rb
index aefc2a15..21fbc9a6 100755
--- a/test/html5/test_sanitizer.rb
+++ b/test/html5/test_sanitizer.rb
@@ -9,29 +9,29 @@
 class Html5TestSanitizer < Loofah::TestCase
   include Loofah
 
-  def sanitize_xhtml stream
+  def sanitize_xhtml(stream)
     Loofah.fragment(stream).scrub!(:escape).to_xhtml
   end
 
-  def sanitize_html stream
+  def sanitize_html(stream)
     Loofah.fragment(stream).scrub!(:escape).to_html
   end
 
   def check_sanitization(input, htmloutput, xhtmloutput, rexmloutput)
     ##  libxml uses double-quotes, so let's swappo-boppo our quotes before comparing.
-    sane = sanitize_html(input).gsub('"',"'")
-    htmloutput = htmloutput.gsub('"',"'")
-    xhtmloutput = xhtmloutput.gsub('"',"'")
-    rexmloutput = rexmloutput.gsub('"',"'")
+    sane = sanitize_html(input).gsub('"', "'")
+    htmloutput = htmloutput.gsub('"', "'")
+    xhtmloutput = xhtmloutput.gsub('"', "'")
+    rexmloutput = rexmloutput.gsub('"', "'")
 
     ##  HTML5's parsers are shit. there's so much inconsistency with what has closing tags, etc, that
     ##  it would require a lot of manual hacking to make the tests match libxml's output.
     ##  instead, I'm taking the shotgun approach, and trying to match any of the described outputs.
     assert((htmloutput == sane) || (rexmloutput == sane) || (xhtmloutput == sane),
-      %Q{given:    "#{input}"\nexpected: "#{htmloutput}"\ngot:      "#{sane}"})
+           %Q{given:    "#{input}"\nexpected: "#{htmloutput}"\ngot:      "#{sane}"})
   end
 
-  def assert_completes_in_reasonable_time &block
+  def assert_completes_in_reasonable_time(&block)
     t0 = Time.now
     block.call
     assert_in_delta t0, Time.now, 0.1 # arbitrary seconds
@@ -39,30 +39,30 @@ def assert_completes_in_reasonable_time &block
 
   (HTML5::SafeList::ALLOWED_ELEMENTS).each do |tag_name|
     define_method "test_should_allow_#{tag_name}_tag" do
-      input       = "<#{tag_name} title='1'>foo <bad>bar</bad> baz</#{tag_name}>"
-      htmloutput  = "<#{tag_name.downcase} title='1'>foo &lt;bad&gt;bar&lt;/bad&gt; baz</#{tag_name.downcase}>"
+      input = "<#{tag_name} title='1'>foo <bad>bar</bad> baz</#{tag_name}>"
+      htmloutput = "<#{tag_name.downcase} title='1'>foo &lt;bad&gt;bar&lt;/bad&gt; baz</#{tag_name.downcase}>"
       xhtmloutput = "<#{tag_name} title='1'>foo &lt;bad&gt;bar&lt;/bad&gt; baz</#{tag_name}>"
       rexmloutput = xhtmloutput
 
       if %w[caption colgroup optgroup option tbody td tfoot th thead tr].include?(tag_name)
         htmloutput = "foo &lt;bad&gt;bar&lt;/bad&gt; baz"
         xhtmloutput = htmloutput
-      elsif tag_name == 'col'
+      elsif tag_name == "col"
         htmloutput = "<col title='1'>foo &lt;bad&gt;bar&lt;/bad&gt; baz"
         xhtmloutput = htmloutput
         rexmloutput = "<col title='1' />"
-      elsif tag_name == 'table'
+      elsif tag_name == "table"
         htmloutput = "foo &lt;bad&gt;bar&lt;/bad&gt;baz<table title='1'> </table>"
         xhtmloutput = htmloutput
-      elsif tag_name == 'image'
+      elsif tag_name == "image"
         htmloutput = "<img title='1'/>foo &lt;bad&gt;bar&lt;/bad&gt; baz"
         xhtmloutput = htmloutput
         rexmloutput = "<image title='1'>foo &lt;bad&gt;bar&lt;/bad&gt; baz</image>"
       elsif HTML5::SafeList::VOID_ELEMENTS.include?(tag_name)
         htmloutput = "<#{tag_name} title='1'>foo &lt;bad&gt;bar&lt;/bad&gt; baz"
         xhtmloutput = htmloutput
-        htmloutput += '<br/>' if tag_name == 'br'
-        rexmloutput =  "<#{tag_name} title='1' />"
+        htmloutput += "<br/>" if tag_name == "br"
+        rexmloutput = "<#{tag_name} title='1' />"
       end
       check_sanitization(input, htmloutput, xhtmloutput, rexmloutput)
     end
@@ -80,9 +80,9 @@ def assert_completes_in_reasonable_time &block
   # end
 
   HTML5::SafeList::ALLOWED_ATTRIBUTES.each do |attribute_name|
-    next if attribute_name == 'style'
+    next if attribute_name == "style"
     define_method "test_should_allow_#{attribute_name}_attribute" do
-        input = "<p #{attribute_name}='foo'>foo <bad>bar</bad> baz</p>"
+      input = "<p #{attribute_name}='foo'>foo <bad>bar</bad> baz</p>"
       if %w[checked compact disabled ismap multiple nohref noshade nowrap readonly selected].include?(attribute_name)
         output = "<p #{attribute_name}>foo &lt;bad&gt;bar&lt;/bad&gt; baz</p>"
         htmloutput = "<p #{attribute_name.downcase}>foo &lt;bad&gt;bar&lt;/bad&gt; baz</p>"
@@ -178,7 +178,6 @@ def test_should_disallow_other_uri_mediatypes
     check_sanitization(input, output, output, output)
   end
 
-
   HTML5::SafeList::SVG_ALLOW_LOCAL_HREF.each do |tag_name|
     next unless HTML5::SafeList::ALLOWED_ELEMENTS.include?(tag_name)
     define_method "test_#{tag_name}_should_allow_local_href" do
@@ -228,12 +227,12 @@ def test_figure_element_is_valid
   #   check_sanitization(input, output, output, output)
   # end
 
-# This affects only NS4. Is it worth fixing?
-#  def test_javascript_includes
-#    input = %(<div size="&{alert('XSS')}">foo</div>)
-#    output = "<div>foo</div>"
-#    check_sanitization(input, output, output, output)
-#  end
+  # This affects only NS4. Is it worth fixing?
+  #  def test_javascript_includes
+  #    input = %(<div size="&{alert('XSS')}">foo</div>)
+  #    output = "<div>foo</div>"
+  #    check_sanitization(input, output, output, output)
+  #  end
 
   ##
   ##  these tests primarily test the parser logic, not the sanitizer
@@ -241,15 +240,15 @@ def test_figure_element_is_valid
   ##  libxml2 here, so let's rely on the unit tests above to take care
   ##  of our valid elements and attributes.
   ##
-  require 'json'
-  Dir[File.join(File.dirname(__FILE__), '..', 'assets', 'testdata_sanitizer_tests1.dat')].each do |filename|
+  require "json"
+  Dir[File.join(File.dirname(__FILE__), "..", "assets", "testdata_sanitizer_tests1.dat")].each do |filename|
     JSON::parse(open(filename).read).each do |test|
-      it "testdata sanitizer #{test['name']}" do
+      it "testdata sanitizer #{test["name"]}" do
         check_sanitization(
-          test['input'],
-          test['output'],
-          test['xhtml'] || test['output'],
-          test['rexml'] || test['output']
+          test["input"],
+          test["output"],
+          test["xhtml"] || test["output"],
+          test["rexml"] || test["output"]
         )
       end
     end
@@ -338,7 +337,6 @@ def test_css_max_width
     assert_match %r/max-width/, sane.inner_html
   end
 
-
   def test_issue_90_slow_regex
     skip("timing tests are hard to make pass and have little regression-testing value")
 
diff --git a/test/integration/test_html.rb b/test/integration/test_html.rb
index b00d5ac8..ab9746eb 100644
--- a/test/integration/test_html.rb
+++ b/test/integration/test_html.rb
@@ -35,10 +35,10 @@ class IntegrationTestHtml < Loofah::TestCase
       end
     end
 
-    context 'with an `encoding` arg' do
+    context "with an `encoding` arg" do
       it "sets the parent document's encoding to accordingly" do
-        html = Loofah.fragment "<style>foo</style><div>bar</div>", 'US-ASCII'
-        assert_equal 'US-ASCII', html.document.encoding
+        html = Loofah.fragment "<style>foo</style><div>bar</div>", "US-ASCII"
+        assert_equal "US-ASCII", html.document.encoding
       end
     end
   end
@@ -69,4 +69,3 @@ class IntegrationTestHtml < Loofah::TestCase
     end
   end
 end
-
diff --git a/test/integration/test_scrubbers.rb b/test/integration/test_scrubbers.rb
index 7d801fcb..ed8604f2 100644
--- a/test/integration/test_scrubbers.rb
+++ b/test/integration/test_scrubbers.rb
@@ -1,34 +1,33 @@
 require "helper"
 
 class IntegrationTestScrubbers < Loofah::TestCase
-
   INVALID_FRAGMENT = "<invalid>foo<p>bar</p>bazz</invalid><div>quux</div>"
-  INVALID_ESCAPED  = "&lt;invalid&gt;foo&lt;p&gt;bar&lt;/p&gt;bazz&lt;/invalid&gt;<div>quux</div>"
-  INVALID_PRUNED   = "<div>quux</div>"
+  INVALID_ESCAPED = "&lt;invalid&gt;foo&lt;p&gt;bar&lt;/p&gt;bazz&lt;/invalid&gt;<div>quux</div>"
+  INVALID_PRUNED = "<div>quux</div>"
   INVALID_STRIPPED = "foo<p>bar</p>bazz<div>quux</div>"
 
   WHITEWASH_FRAGMENT = "<o:div>no</o:div><div id='no'>foo</div><invalid>bar</invalid><!--[if gts mso9]><div>microsofty stuff</div><![endif]-->"
-  WHITEWASH_RESULT   = "<div>foo</div>"
+  WHITEWASH_RESULT = "<div>foo</div>"
 
   NOFOLLOW_FRAGMENT = '<a href="http://www.example.com/">Click here</a>'
-  NOFOLLOW_RESULT   = '<a href="http://www.example.com/" rel="nofollow">Click here</a>'
+  NOFOLLOW_RESULT = '<a href="http://www.example.com/" rel="nofollow">Click here</a>'
 
   NOFOLLOW_WITH_REL_FRAGMENT = '<a href="http://www.example.com/" rel="noopener">Click here</a>'
-  NOFOLLOW_WITH_REL_RESULT   = '<a href="http://www.example.com/" rel="noopener nofollow">Click here</a>'
+  NOFOLLOW_WITH_REL_RESULT = '<a href="http://www.example.com/" rel="noopener nofollow">Click here</a>'
 
   NOOPENER_FRAGMENT = '<a href="http://www.example.com/">Click here</a>'
-  NOOPENER_RESULT   = '<a href="http://www.example.com/" rel="noopener">Click here</a>'
+  NOOPENER_RESULT = '<a href="http://www.example.com/" rel="noopener">Click here</a>'
 
   NOOPENER_WITH_REL_FRAGMENT = '<a href="http://www.example.com/" rel="nofollow">Click here</a>'
-  NOOPENER_WITH_REL_RESULT   = '<a href="http://www.example.com/" rel="nofollow noopener">Click here</a>'
+  NOOPENER_WITH_REL_RESULT = '<a href="http://www.example.com/" rel="nofollow noopener">Click here</a>'
 
   UNPRINTABLE_FRAGMENT = "<b>Lo\u2029ofah ro\u2028cks!</b><script>x\u2028y</script>"
   UNPRINTABLE_RESULT = "<b>Loofah rocks!</b><script>xy</script>"
 
-  ENTITY_FRAGMENT   = "<p>this is &lt; that &quot;&amp;&quot; the other &gt; boo&apos;ya</p><div>w00t</div>"
-  ENTITY_TEXT       = %Q(this is < that "&" the other > boo\'yaw00t)
+  ENTITY_FRAGMENT = "<p>this is &lt; that &quot;&amp;&quot; the other &gt; boo&apos;ya</p><div>w00t</div>"
+  ENTITY_TEXT = %Q(this is < that "&" the other > boo\'yaw00t)
 
-  ENTITY_HACK_ATTACK            = "<div><div>Hack attack!</div><div>&lt;script&gt;alert('evil')&lt;/script&gt;</div></div>"
+  ENTITY_HACK_ATTACK = "<div><div>Hack attack!</div><div>&lt;script&gt;alert('evil')&lt;/script&gt;</div></div>"
   ENTITY_HACK_ATTACK_TEXT_SCRUB = "Hack attack!&lt;script&gt;alert('evil')&lt;/script&gt;"
   ENTITY_HACK_ATTACK_TEXT_SCRUB_UNESC = "Hack attack!<script>alert('evil')</script>"
 
@@ -39,7 +38,7 @@ class IntegrationTestScrubbers < Loofah::TestCase
           doc = Loofah::HTML::Document.parse "<html><body>#{INVALID_FRAGMENT}</body></html>"
           result = doc.scrub! :escape
 
-          assert_equal INVALID_ESCAPED, doc.xpath('/html/body').inner_html
+          assert_equal INVALID_ESCAPED, doc.xpath("/html/body").inner_html
           assert_equal doc, result
         end
       end
@@ -49,7 +48,7 @@ class IntegrationTestScrubbers < Loofah::TestCase
           doc = Loofah::HTML::Document.parse "<html><body>#{INVALID_FRAGMENT}</body></html>"
           result = doc.scrub! :prune
 
-          assert_equal INVALID_PRUNED, doc.xpath('/html/body').inner_html
+          assert_equal INVALID_PRUNED, doc.xpath("/html/body").inner_html
           assert_equal doc, result
         end
       end
@@ -59,7 +58,7 @@ class IntegrationTestScrubbers < Loofah::TestCase
           doc = Loofah::HTML::Document.parse "<html><body>#{INVALID_FRAGMENT}</body></html>"
           result = doc.scrub! :strip
 
-          assert_equal INVALID_STRIPPED, doc.xpath('/html/body').inner_html
+          assert_equal INVALID_STRIPPED, doc.xpath("/html/body").inner_html
           assert_equal doc, result
         end
       end
@@ -69,7 +68,7 @@ class IntegrationTestScrubbers < Loofah::TestCase
           doc = Loofah::HTML::Document.parse "<html><body>#{WHITEWASH_FRAGMENT}</body></html>"
           result = doc.scrub! :whitewash
 
-          assert_equal WHITEWASH_RESULT, doc.xpath('/html/body').inner_html
+          assert_equal WHITEWASH_RESULT, doc.xpath("/html/body").inner_html
           assert_equal doc, result
         end
       end
@@ -79,7 +78,7 @@ class IntegrationTestScrubbers < Loofah::TestCase
           doc = Loofah::HTML::Document.parse "<html><body>#{NOFOLLOW_FRAGMENT}</body></html>"
           result = doc.scrub! :nofollow
 
-          assert_equal NOFOLLOW_RESULT, doc.xpath('/html/body').inner_html
+          assert_equal NOFOLLOW_RESULT, doc.xpath("/html/body").inner_html
           assert_equal doc, result
         end
       end
@@ -177,7 +176,7 @@ class IntegrationTestScrubbers < Loofah::TestCase
           EOHTML
           node = xml.at_css "div.scrub"
           node.scrub!(:prune)
-          assert_match %r/I should remain/,     xml.to_s
+          assert_match %r/I should remain/, xml.to_s
           refute_match %r/I should be removed/, xml.to_s
         end
       end
@@ -202,8 +201,8 @@ class IntegrationTestScrubbers < Loofah::TestCase
           node_set = xml.css "div.scrub"
           assert_equal 2, node_set.length
           node_set.scrub!(:prune)
-          assert_match %r/I should remain/,          xml.to_s
-          refute_match %r/I should be removed/,      xml.to_s
+          assert_match %r/I should remain/, xml.to_s
+          refute_match %r/I should be removed/, xml.to_s
           refute_match %r/I should also be removed/, xml.to_s
         end
       end
@@ -253,7 +252,6 @@ class IntegrationTestScrubbers < Loofah::TestCase
       end
 
       context ":nofollow" do
-
         context "for a hyperlink that does not have a rel attribute" do
           it "add a 'nofollow' attribute to hyperlinks" do
             doc = Loofah::HTML::DocumentFragment.parse "<div>#{NOFOLLOW_FRAGMENT}</div>"
@@ -266,15 +264,13 @@ class IntegrationTestScrubbers < Loofah::TestCase
 
         context "for a hyperlink that does have a rel attribute" do
           it "appends nofollow to rel attribute" do
-              doc = Loofah::HTML::DocumentFragment.parse "<div>#{NOFOLLOW_WITH_REL_FRAGMENT}</div>"
-              result = doc.scrub! :nofollow
+            doc = Loofah::HTML::DocumentFragment.parse "<div>#{NOFOLLOW_WITH_REL_FRAGMENT}</div>"
+            result = doc.scrub! :nofollow
 
-              assert_equal NOFOLLOW_WITH_REL_RESULT, doc.xpath("./div").inner_html
-              assert_equal doc, result
+            assert_equal NOFOLLOW_WITH_REL_RESULT, doc.xpath("./div").inner_html
+            assert_equal doc, result
           end
         end
-
-
       end
 
       context ":noopener" do
@@ -367,7 +363,7 @@ class IntegrationTestScrubbers < Loofah::TestCase
           EOHTML
           node = xml.at_css "div.scrub"
           node.scrub!(:prune)
-          assert_match %r(I should remain),     xml.to_s
+          assert_match %r(I should remain), xml.to_s
           refute_match %r(I should be removed), xml.to_s
         end
       end
@@ -390,8 +386,8 @@ class IntegrationTestScrubbers < Loofah::TestCase
           node_set = xml.css "div.scrub"
           assert_equal 2, node_set.length
           node_set.scrub!(:prune)
-          assert_match %r/I should remain/,          xml.to_s
-          refute_match %r/I should be removed/,      xml.to_s
+          assert_match %r/I should remain/, xml.to_s
+          refute_match %r/I should be removed/, xml.to_s
           refute_match %r/I should also be removed/, xml.to_s
         end
       end
diff --git a/test/integration/test_xml.rb b/test/integration/test_xml.rb
index 45683055..7abc048d 100644
--- a/test/integration/test_xml.rb
+++ b/test/integration/test_xml.rb
@@ -18,7 +18,7 @@ class IntegrationTestXml < Loofah::TestCase
             end
           end
           assert_equal 2, xml.css("employee").length
-          
+
           xml.scrub!(bring_out_your_dead)
 
           employees = xml.css "employee"
@@ -42,7 +42,7 @@ class IntegrationTestXml < Loofah::TestCase
             end
           end
           assert_equal 2, xml.css("employee").length
-          
+
           xml.scrub!(bring_out_your_dead)
 
           employees = xml.css "employee"
diff --git a/test/unit/test_api.rb b/test/unit/test_api.rb
index 31da1194..00b0cb67 100644
--- a/test/unit/test_api.rb
+++ b/test/unit/test_api.rb
@@ -1,10 +1,9 @@
 require "helper"
 
 class UnitTestApi < Loofah::TestCase
-
-  HTML          = "<div>a</div>\n<div>b</div>"
-  XML_FRAGMENT  = "<div>a</div>\n<div>b</div>"
-  XML           = "<root>#{XML_FRAGMENT}</root>"
+  HTML = "<div>a</div>\n<div>b</div>"
+  XML_FRAGMENT = "<div>a</div>\n<div>b</div>"
+  XML = "<root>#{XML_FRAGMENT}</root>"
 
   describe "HTML" do
     it "creates documents" do
@@ -117,26 +116,25 @@ class UnitTestApi < Loofah::TestCase
 
   def assert_html_documentish(doc)
     assert_kind_of Nokogiri::HTML::Document, doc
-    assert_kind_of Loofah::HTML::Document,   doc
+    assert_kind_of Loofah::HTML::Document, doc
     assert_equal HTML, doc.xpath("/html/body").inner_html
   end
 
   def assert_html_fragmentish(doc)
     assert_kind_of Nokogiri::HTML::DocumentFragment, doc
-    assert_kind_of Loofah::HTML::DocumentFragment,   doc
+    assert_kind_of Loofah::HTML::DocumentFragment, doc
     assert_equal HTML, doc.inner_html
   end
 
   def assert_xml_documentish(doc)
     assert_kind_of Nokogiri::XML::Document, doc
-    assert_kind_of Loofah::XML::Document,   doc
+    assert_kind_of Loofah::XML::Document, doc
     assert_equal XML, doc.root.to_xml
   end
 
   def assert_xml_fragmentish(doc)
     assert_kind_of Nokogiri::XML::DocumentFragment, doc
-    assert_kind_of Loofah::XML::DocumentFragment,   doc
+    assert_kind_of Loofah::XML::DocumentFragment, doc
     assert_equal XML_FRAGMENT, doc.children.to_xml
   end
-
 end
diff --git a/test/unit/test_helpers.rb b/test/unit/test_helpers.rb
index c4bb3098..b82a529c 100644
--- a/test/unit/test_helpers.rb
+++ b/test/unit/test_helpers.rb
@@ -1,7 +1,6 @@
 require "helper"
 
 class UnitTestHelpers < Loofah::TestCase
-
   HTML_STRING = "<div>omgwtfbbq</div>"
 
   describe "Helpers" do
diff --git a/test/unit/test_scrubber.rb b/test/unit/test_scrubber.rb
index 1a9e358f..97f9aeb1 100644
--- a/test/unit/test_scrubber.rb
+++ b/test/unit/test_scrubber.rb
@@ -1,12 +1,11 @@
 require "helper"
 
 class UnitTestScrubber < Loofah::TestCase
-
   FRAGMENT = "<span>hello</span><span>goodbye</span>"
-  FRAGMENT_NODE_COUNT         = 4 # span, text, span, text
+  FRAGMENT_NODE_COUNT = 4 # span, text, span, text
   FRAGMENT_NODE_STOP_TOP_DOWN = 2 # span, span
   DOCUMENT = "<html><head><link></link></head><body><span>hello</span><span>goodbye</span></body></html>"
-  DOCUMENT_NODE_COUNT         = 8 # html, head, link, body, span, text, span, text
+  DOCUMENT_NODE_COUNT = 8 # html, head, link, body, span, text, span, text
   DOCUMENT_NODE_STOP_TOP_DOWN = 1 # html
 
   context "receiving a block" do
@@ -148,7 +147,7 @@ class UnitTestScrubber < Loofah::TestCase
       @klass = Class.new(Loofah::Scrubber) do
         attr_accessor :count
 
-        def initialize(direction=nil)
+        def initialize(direction = nil)
           @direction = direction
           @count = 0
         end
@@ -215,7 +214,7 @@ def scrub(node)
   context "creating a new Scrubber class with no scrub method" do
     before do
       @klass = Class.new(Loofah::Scrubber) do
-        def initialize ; end
+        def initialize; end
       end
       @scrubber = @klass.new
     end
diff --git a/test/unit/test_scrubbers.rb b/test/unit/test_scrubbers.rb
index 792e1560..c757345b 100644
--- a/test/unit/test_scrubbers.rb
+++ b/test/unit/test_scrubbers.rb
@@ -1,7 +1,7 @@
 require "helper"
 
 class UnitTestScrubbers < Loofah::TestCase
-  [ Loofah::HTML::Document, Loofah::HTML::DocumentFragment ].each do |klass|
+  [Loofah::HTML::Document, Loofah::HTML::DocumentFragment].each do |klass|
     context klass do
       context "bad scrub method" do
         it "raise a ScrubberNotFound exception" do