From 82e0705bdf83e7864f3678986709854f47936a2e Mon Sep 17 00:00:00 2001
From: Timm <kaspth@gmail.com>
Date: Fri, 11 Oct 2013 13:13:57 +0200
Subject: [PATCH] Removed sanitizers- and scrubbers_test.rb. They are in
 rails-html-sanitizer.

---
 actionview/test/template/sanitizers_test.rb   | 444 ------------------
 .../test/template/scrubbers/scrubbers_test.rb | 201 --------
 2 files changed, 645 deletions(-)
 delete mode 100644 actionview/test/template/sanitizers_test.rb
 delete mode 100644 actionview/test/template/scrubbers/scrubbers_test.rb

diff --git a/actionview/test/template/sanitizers_test.rb b/actionview/test/template/sanitizers_test.rb
deleted file mode 100644
index c9e696a972..0000000000
--- a/actionview/test/template/sanitizers_test.rb
+++ /dev/null
@@ -1,444 +0,0 @@
-require 'abstract_unit'
-
-class SanitizersTest < ActionController::TestCase
-  def setup
-    @sanitizer = nil # used by assert_sanitizer
-  end
-
-  def test_sanitizer_sanitize_raises_not_implemented_error
-    assert_raises NotImplementedError do
-      ActionView::Sanitizer.new.sanitize('')
-    end
-  end
-
-  def test_remove_xpaths_removes_an_xpath
-    sanitizer = ActionView::Sanitizer.new
-    html = %(<h1>hello <script>code!</script></h1>)
-    assert_equal %(<h1>hello </h1>), sanitizer.remove_xpaths(html, %w(.//script))
-  end
-
-  def test_remove_xpaths_removes_all_occurences_of_xpath
-    sanitizer = ActionView::Sanitizer.new
-    html = %(<section><header><script>code!</script></header><p>hello <script>code!</script></p></section>)
-    assert_equal %(<section><header></header><p>hello </p></section>), sanitizer.remove_xpaths(html, %w(.//script))
-  end
-
-  def test_remove_xpaths_called_with_faulty_xpath
-    sanitizer = ActionView::Sanitizer.new
-    assert_raises Nokogiri::XML::XPath::SyntaxError do
-      sanitizer.remove_xpaths('<h1>hello<h1>', %w(..faulty_xpath))
-    end
-  end
-
-  def test_remove_xpaths_called_with_xpath_string
-    sanitizer = ActionView::Sanitizer.new
-    assert_equal '', sanitizer.remove_xpaths('<a></a>', './/a')
-  end
-
-  def test_remove_xpaths_called_with_enumerable_xpaths
-    sanitizer = ActionView::Sanitizer.new
-    assert_equal '', sanitizer.remove_xpaths('<a><span></span></a>', %w(.//a .//span))
-  end
-
-  def test_remove_xpaths_called_with_string_returns_string
-    sanitizer = ActionView::Sanitizer.new
-    assert_equal '<a></a>', sanitizer.remove_xpaths('<a></a>', [])
-  end
-
-  def test_remove_xpaths_called_with_fragment_returns_fragment
-    sanitizer = ActionView::Sanitizer.new
-    fragment = sanitizer.remove_xpaths(Loofah.fragment('<a></a>'), [])
-    assert_kind_of Loofah::HTML::DocumentFragment, fragment
-  end
-
-  def test_strip_tags_with_quote
-    sanitizer = ActionView::FullSanitizer.new
-    string    = '<" <img src="trollface.gif" onload="alert(1)"> hi'
-
-    assert_equal ' hi', sanitizer.sanitize(string)
-  end
-
-  def test_strip_tags_pending
-    skip "Pending. These methods don't pass."
-    sanitizer = ActionView::FullSanitizer.new
-
-    # Loofah doesn't see any elements in this
-    # Actual: ""
-    assert_equal("<<<bad html", sanitizer.sanitize("<<<bad html"))
-
-    # Actual: "Weia onclick='alert(document.cookie);'/&gt;rdos"
-    assert_equal("Weirdos", sanitizer.sanitize("Wei<<a>a onclick='alert(document.cookie);'</a>/>rdos"))
-
-    # Loofah strips newlines.
-    # Actual: "This is a test.It no longer contains any HTML."
-    assert_equal(
-    %{This is a test.\n\n\nIt no longer contains any HTML.\n}, sanitizer.sanitize(
-    %{<title>This is <b>a <a href="" target="_blank">test</a></b>.</title>\n\n<!-- it has a comment -->\n\n<p>It no <b>longer <strong>contains <em>any <strike>HTML</strike></em>.</strong></b></p>\n}))
-
-    # Removes comment.
-    # Actual: "This is "
-    assert_equal "This is <-- not\n a comment here.", sanitizer.sanitize("This is <-- not\n a comment here.")
-
-    # Leaves part of a CDATA section
-    # Actual: "This has a ]]&gt; here."
-    assert_equal "This has a  here.", sanitizer.sanitize("This has a <![CDATA[<section>]]> here.")
-
-    # Actual: "This has an unclosed ]] here..."
-    assert_equal "This has an unclosed ", sanitizer.sanitize("This has an unclosed <![CDATA[<section>]] here...")
-
-    # Fails on the blank string.
-    # Actual: ''
-    [nil, '', '   '].each { |blank| assert_equal blank, sanitizer.sanitize(blank) }
-  end
-
-  def test_strip_tags
-    sanitizer = ActionView::FullSanitizer.new
-
-    assert_equal("Dont touch me", sanitizer.sanitize("Dont touch me"))
-    assert_equal("This is a test.", sanitizer.sanitize("<p>This <u>is<u> a <a href='test.html'><strong>test</strong></a>.</p>"))
-
-    assert_equal("", sanitizer.sanitize("<<<bad html>"))
-
-    assert_equal("This is a test.", sanitizer.sanitize("This is a test."))
-
-    assert_equal "This has a  here.", sanitizer.sanitize("This has a <!-- comment --> here.")
-    assert_nothing_raised { sanitizer.sanitize("This is a frozen string with no tags".freeze) }
-  end
-
-  def test_strip_links_pending
-    skip "Pending. Extracted from test_strip_links."
-    sanitizer = ActionView::LinkSanitizer.new
-
-    # Only one of the a-tags are parsed here
-    # Actual: "a href='hello'&gt;all <b>day</b> long/a&gt;"
-    assert_equal "all <b>day</b> long", sanitizer.sanitize("<<a>a href='hello'>all <b>day</b> long<</A>/a>")
-
-    # Loofah reads this as '<a></a>' which the LinkSanitizer removes
-    # Actual: ""
-    assert_equal "<a<a", sanitizer.sanitize("<a<a")
-  end
-
-  def test_strip_links
-    sanitizer = ActionView::LinkSanitizer.new
-    assert_equal "Dont touch me", sanitizer.sanitize("Dont touch me")
-    assert_equal "on my mind\nall day long", sanitizer.sanitize("<a href='almost'>on my mind</a>\n<A href='almost'>all day long</A>")
-    assert_equal "0wn3d", sanitizer.sanitize("<a href='http://www.rubyonrails.com/'><a href='http://www.rubyonrails.com/' onlclick='steal()'>0wn3d</a></a>")
-    assert_equal "Magic", sanitizer.sanitize("<a href='http://www.rubyonrails.com/'>Mag<a href='http://www.ruby-lang.org/'>ic")
-    assert_equal "FrrFox", sanitizer.sanitize("<href onlclick='steal()'>FrrFox</a></href>")
-    assert_equal "My mind\nall <b>day</b> long", sanitizer.sanitize("<a href='almost'>My mind</a>\n<A href='almost'>all <b>day</b> long</A>")
-
-  end
-
-  def test_sanitize_form
-    assert_sanitized "<form action=\"/foo/bar\" method=\"post\"><input></form>", ''
-  end
-
-  def test_sanitize_plaintext
-    raw = "<plaintext><span>foo</span></plaintext>"
-    assert_sanitized raw, "<span>foo</span>"
-  end
-
-  def test_sanitize_script
-    assert_sanitized "a b c<script language=\"Javascript\">blah blah blah</script>d e f", "a b cd e f"
-  end
-
-  def test_sanitize_js_handlers
-    raw = %{onthis="do that" <a href="#" onclick="hello" name="foo" onbogus="remove me">hello</a>}
-    assert_sanitized raw, %{onthis="do that" <a href="#" name="foo">hello</a>}
-  end
-
-  def test_sanitize_javascript_href
-    raw = %{href="javascript:bang" <a href="javascript:bang" name="hello">foo</a>, <span href="javascript:bang">bar</span>}
-    assert_sanitized raw, %{href="javascript:bang" <a name="hello">foo</a>, <span>bar</span>}
-  end
-
-  def test_sanitize_image_src
-    raw = %{src="javascript:bang" <img src="javascript:bang" width="5">foo</img>, <span src="javascript:bang">bar</span>}
-    assert_sanitized raw, %{src="javascript:bang" <img width="5">foo</img>, <span>bar</span>}
-  end
-
-  ActionView::WhiteListSanitizer.allowed_tags.each do |tag_name|
-    define_method "test_should_allow_#{tag_name}_tag" do
-      assert_sanitized "start <#{tag_name} title=\"1\" onclick=\"foo\">foo <bad>bar</bad> baz</#{tag_name}> end", %(start <#{tag_name} title="1">foo bar baz</#{tag_name}> end)
-    end
-  end
-
-  def test_should_allow_anchors
-    assert_sanitized %(<a href="foo" onclick="bar"><script>baz</script></a>), %(<a href=\"foo\">baz</a>)
-  end
-
-  def test_video_poster_sanitization
-    assert_sanitized %(<video src="videofile.ogg" autoplay  poster="posterimage.jpg"></video>), %(<video src="videofile.ogg" poster="posterimage.jpg"></video>)
-    assert_sanitized %(<video src="videofile.ogg" poster=javascript:alert(1)></video>), %(<video src="videofile.ogg"></video>)
-  end
-
-  # RFC 3986, sec 4.2
-  def test_allow_colons_in_path_component
-    assert_sanitized("<a href=\"./this:that\">foo</a>")
-  end
-
-  %w(src width height alt).each do |img_attr|
-    define_method "test_should_allow_image_#{img_attr}_attribute" do
-      assert_sanitized %(<img #{img_attr}="foo" onclick="bar" />), %(<img #{img_attr}="foo" />)
-    end
-  end
-
-  def test_should_handle_non_html
-    assert_sanitized 'abc'
-  end
-
-  def test_should_handle_blank_text
-    assert_sanitized nil
-    assert_sanitized ''
-  end
-
-  def test_should_allow_custom_tags
-    text = "<u>foo</u>"
-    sanitizer = ActionView::WhiteListSanitizer.new
-    assert_equal(text, sanitizer.sanitize(text, :tags => %w(u)))
-  end
-
-  def test_should_allow_only_custom_tags
-    text = "<u>foo</u> with <i>bar</i>"
-    sanitizer = ActionView::WhiteListSanitizer.new
-    assert_equal("<u>foo</u> with bar", sanitizer.sanitize(text, :tags => %w(u)))
-  end
-
-  def test_should_allow_custom_tags_with_attributes
-    text = %(<blockquote cite="http://example.com/">foo</blockquote>)
-    sanitizer = ActionView::WhiteListSanitizer.new
-    assert_equal(text, sanitizer.sanitize(text))
-  end
-
-  def test_should_allow_custom_tags_with_custom_attributes
-    text = %(<blockquote foo="bar">Lorem ipsum</blockquote>)
-    sanitizer = ActionView::WhiteListSanitizer.new
-    assert_equal(text, sanitizer.sanitize(text, :attributes => ['foo']))
-  end
-
-  def test_should_raise_argument_error_if_tags_is_not_enumerable
-    sanitizer = ActionView::WhiteListSanitizer.new
-    assert_raise(ArgumentError) do
-      sanitizer.sanitize('<a>some html</a>', :tags => 'foo')
-    end
-  end
-
-  def test_should_raise_argument_error_if_attributes_is_not_enumerable
-    sanitizer = ActionView::WhiteListSanitizer.new
-
-    assert_raise(ArgumentError) do
-      sanitizer.sanitize('<a>some html</a>', :attributes => 'foo')
-    end
-  end
-
-  def test_should_not_accept_non_loofah_inheriting_scrubber
-    sanitizer = ActionView::WhiteListSanitizer.new
-    scrubber = Object.new
-    scrubber.class_eval do
-      def scrub(node); node.name = 'h1'; end
-    end
-
-    assert_raise Loofah::ScrubberNotFound do
-      sanitizer.sanitize('<a>some html</a>', :scrubber => scrubber)
-    end
-  end
-
-  def test_should_accept_loofah_inheriting_scrubber
-    sanitizer = ActionView::WhiteListSanitizer.new
-    scrubber = Loofah::Scrubber.new
-    scrubber.class_eval do
-      def scrub(node); node.name = 'h1'; end
-    end
-    html = "<script>hello!</script>"
-    assert_equal "<h1>hello!</h1>", sanitizer.sanitize(html, :scrubber => scrubber)
-  end
-
-  def test_should_accept_loofah_scrubber_that_wraps_a_block
-    sanitizer = ActionView::WhiteListSanitizer.new
-    scrubber = Loofah::Scrubber.new { |node| node.name = 'h1' }
-    html = "<script>hello!</script>"
-    assert_equal "<h1>hello!</h1>", sanitizer.sanitize(html, :scrubber => scrubber)
-  end
-
-  def test_custom_scrubber_takes_precedence_over_other_options
-    sanitizer = ActionView::WhiteListSanitizer.new
-    scrubber = Loofah::Scrubber.new { |node| node.name = 'h1' }
-    html = "<script>hello!</script>"
-    assert_equal "<h1>hello!</h1>", sanitizer.sanitize(html, :scrubber => scrubber, :tags => ['foo'])
-  end
-
-  [%w(img src), %w(a href)].each do |(tag, attr)|
-    define_method "test_should_strip_#{attr}_attribute_in_#{tag}_with_bad_protocols" do
-      assert_sanitized %(<#{tag} #{attr}="javascript:bang" title="1">boo</#{tag}>), %(<#{tag} title="1">boo</#{tag}>)
-    end
-  end
-
-  def test_should_block_script_tag
-    assert_sanitized %(<SCRIPT\nSRC=http://ha.ckers.org/xss.js></SCRIPT>), ""
-  end
-
-  def test_should_not_fall_for_xss_image_hack_pending
-    skip "Pending."
-
-    # Actual: "<img>alert(\"XSS\")\"&gt;"
-    assert_sanitized %(<IMG """><SCRIPT>alert("XSS")</SCRIPT>">), "<img>"
-  end
-
-  [%(<IMG SRC="javascript:alert('XSS');">),
-   %(<IMG SRC=javascript:alert('XSS')>),
-   %(<IMG SRC=JaVaScRiPt:alert('XSS')>),
-   %(<IMG SRC=javascript:alert(&quot;XSS&quot;)>),
-   %(<IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>),
-   %(<IMG SRC=&#106;&#97;&#118;&#97;&#115;&#99;&#114;&#105;&#112;&#116;&#58;&#97;&#108;&#101;&#114;&#116;&#40;&#39;&#88;&#83;&#83;&#39;&#41;>),
-   %(<IMG SRC=&#0000106&#0000097&#0000118&#0000097&#0000115&#0000099&#0000114&#0000105&#0000112&#0000116&#0000058&#0000097&#0000108&#0000101&#0000114&#0000116&#0000040&#0000039&#0000088&#0000083&#0000083&#0000039&#0000041>),
-   %(<IMG SRC=&#x6A&#x61&#x76&#x61&#x73&#x63&#x72&#x69&#x70&#x74&#x3A&#x61&#x6C&#x65&#x72&#x74&#x28&#x27&#x58&#x53&#x53&#x27&#x29>),
-   %(<IMG SRC="jav\tascript:alert('XSS');">),
-   %(<IMG SRC="jav&#x09;ascript:alert('XSS');">),
-   %(<IMG SRC="jav&#x0A;ascript:alert('XSS');">),
-   %(<IMG SRC="jav&#x0D;ascript:alert('XSS');">),
-   %(<IMG SRC=" &#14;  javascript:alert('XSS');">),
-   %(<IMG SRC="javascript&#x3a;alert('XSS');">),
-   %(<IMG SRC=`javascript:alert("RSnake says, 'XSS'")`>)].each_with_index do |img_hack, i|
-    define_method "test_should_not_fall_for_xss_image_hack_#{i+1}" do
-      assert_sanitized img_hack, "<img>"
-    end
-  end
-
-  def test_should_sanitize_tag_broken_up_by_null
-    skip "Pending."
-
-    # Loofah parses this to an <scr> tag and removes it.
-    # So actual is an empty string"
-    assert_sanitized %(<SCR\0IPT>alert(\"XSS\")</SCR\0IPT>), "alert(\"XSS\")"
-  end
-
-  def test_should_sanitize_invalid_script_tag
-    assert_sanitized %(<SCRIPT/XSS SRC="http://ha.ckers.org/xss.js"></SCRIPT>), ""
-  end
-
-  def test_should_sanitize_script_tag_with_multiple_open_brackets
-    skip "Pending."
-
-    # Actual: "alert(\"XSS\");//"
-    assert_sanitized %(<<SCRIPT>alert("XSS");//<</SCRIPT>), "&lt;"
-
-    # Actual: ""
-    assert_sanitized %(<iframe src=http://ha.ckers.org/scriptlet.html\n<a), %(&lt;a)
-  end
-
-  def test_should_sanitize_unclosed_script
-    assert_sanitized %(<SCRIPT SRC=http://ha.ckers.org/xss.js?<B>), ""
-  end
-
-  def test_should_sanitize_half_open_scripts
-    assert_sanitized %(<IMG SRC="javascript:alert('XSS')"), "<img>"
-  end
-
-  def test_should_not_fall_for_ridiculous_hack
-    img_hack = %(<IMG\nSRC\n=\n"\nj\na\nv\na\ns\nc\nr\ni\np\nt\n:\na\nl\ne\nr\nt\n(\n'\nX\nS\nS\n'\n)\n"\n>)
-    assert_sanitized img_hack, "<img>"
-  end
-
-  def test_should_sanitize_attributes
-    assert_sanitized %(<SPAN title="'><script>alert()</script>">blah</SPAN>), %(<span title="#{CGI.escapeHTML "'><script>alert()</script>"}">blah</span>)
-  end
-
-  def test_should_sanitize_illegal_style_properties
-    raw      = %(display:block; position:absolute; left:0; top:0; width:100%; height:100%; z-index:1; background-color:black; background-image:url(http://www.ragingplatypus.com/i/cam-full.jpg); background-x:center; background-y:center; background-repeat:repeat;)
-    expected = %(display: block; width: 100%; height: 100%; background-color: black; background-x: center; background-y: center;)
-    assert_equal expected, sanitize_css(raw)
-  end
-
-  def test_should_sanitize_with_trailing_space
-    raw = "display:block; "
-    expected = "display: block;"
-    assert_equal expected, sanitize_css(raw)
-  end
-
-  def test_should_sanitize_xul_style_attributes
-    raw = %(-moz-binding:url('http://ha.ckers.org/xssmoz.xml#xss'))
-    assert_equal '', sanitize_css(raw)
-  end
-
-  def test_should_sanitize_invalid_tag_names
-    assert_sanitized(%(a b c<script/XSS src="http://ha.ckers.org/xss.js"></script>d e f), "a b cd e f")
-  end
-
-  def test_should_sanitize_non_alpha_and_non_digit_characters_in_tags
-    assert_sanitized('<a onclick!#$%&()*~+-_.,:;?@[/|\]^`=alert("XSS")>foo</a>', "<a>foo</a>")
-  end
-
-  def test_should_sanitize_invalid_tag_names_in_single_tags
-    assert_sanitized('<img/src="http://ha.ckers.org/xss.js"/>', "<img />")
-  end
-
-  def test_should_sanitize_img_dynsrc_lowsrc
-    assert_sanitized(%(<img lowsrc="javascript:alert('XSS')" />), "<img />")
-  end
-
-  def test_should_sanitize_div_background_image_unicode_encoded
-    raw = %(background-image:\0075\0072\006C\0028'\006a\0061\0076\0061\0073\0063\0072\0069\0070\0074\003a\0061\006c\0065\0072\0074\0028.1027\0058.1053\0053\0027\0029'\0029)
-    assert_equal '', sanitize_css(raw)
-  end
-
-  def test_should_sanitize_div_style_expression
-    raw = %(width: expression(alert('XSS'));)
-    assert_equal '', sanitize_css(raw)
-  end
-
-  def test_should_sanitize_across_newlines
-    raw = %(\nwidth:\nexpression(alert('XSS'));\n)
-    assert_equal '', sanitize_css(raw)
-  end
-
-  def test_should_sanitize_img_vbscript
-    assert_sanitized %(<img src='vbscript:msgbox("XSS")' />), '<img />'
-  end
-
-  def test_should_sanitize_cdata_section
-    skip "Pending."
-
-    # Expected: "&lt;![CDATA[&lt;span&gt;section&lt;/span&gt;]]&gt;"
-    # Actual: "section]]&gt;"
-    assert_sanitized "<![CDATA[<span>section</span>]]>", "&lt;![CDATA[&lt;span>section&lt;/span>]]>"
-  end
-
-  def test_should_sanitize_unterminated_cdata_section
-    skip "Pending."
-
-    # Expected: "&lt;![CDATA[&lt;span&gt;neverending...]]&gt;"
-    # Actual: "neverending..."
-    assert_sanitized "<![CDATA[<span>neverending...", "&lt;![CDATA[&lt;span>neverending...]]>"
-  end
-
-  def test_should_not_mangle_urls_with_ampersand
-     assert_sanitized %{<a href=\"http://www.domain.com?var1=1&amp;var2=2\">my link</a>}
-  end
-
-  def test_should_sanitize_neverending_attribute
-    assert_sanitized "<span class=\"\\", "<span class=\"\\\">"
-  end
-
-  def test_x03a
-    assert_sanitized %(<a href="javascript&#x3a;alert('XSS');">), "<a>"
-    assert_sanitized %(<a href="javascript&#x003a;alert('XSS');">), "<a>"
-    assert_sanitized %(<a href="http&#x3a;//legit">), %(<a href="http://legit">)
-    assert_sanitized %(<a href="javascript&#x3A;alert('XSS');">), "<a>"
-    assert_sanitized %(<a href="javascript&#x003A;alert('XSS');">), "<a>"
-    assert_sanitized %(<a href="http&#x3A;//legit">), %(<a href="http://legit">)
-  end
-
-protected
-  def assert_sanitized(input, expected = nil)
-    @sanitizer ||= ActionView::WhiteListSanitizer.new
-    if input
-      assert_dom_equal expected || input, @sanitizer.sanitize(input)
-    else
-      assert_nil @sanitizer.sanitize(input)
-    end
-  end
-
-  def sanitize_css(input)
-    (@sanitizer ||= ActionView::WhiteListSanitizer.new).sanitize_css(input)
-  end
-end
diff --git a/actionview/test/template/scrubbers/scrubbers_test.rb b/actionview/test/template/scrubbers/scrubbers_test.rb
deleted file mode 100644
index 9bf62f6ec3..0000000000
--- a/actionview/test/template/scrubbers/scrubbers_test.rb
+++ /dev/null
@@ -1,201 +0,0 @@
-require 'loofah'
-require 'abstract_unit'
-
-class ScrubberTest < ActionView::TestCase
-  protected
-
-    def assert_scrubbed(html, expected = html)
-      output = Loofah.scrub_fragment(html, @scrubber).to_s
-      assert_equal expected, output
-    end
-
-    def assert_node_skipped(text)
-      node = to_node(text)
-      assert_equal Loofah::Scrubber::CONTINUE, @scrubber.scrub(node)
-    end
-
-    def to_node(text)
-      Loofah.fragment(text).children.first
-    end
-
-    def scrub_expectations(text, &expectations)
-      @scrubber.instance_eval(&expectations)
-      @scrubber.scrub to_node(text)
-    end
-end
-
-class PermitScrubberTest < ScrubberTest
-
-  def setup
-    @scrubber = PermitScrubber.new
-  end
-
-  def test_responds_to_scrub
-    assert @scrubber.respond_to?(:scrub)
-  end
-
-  def test_default_scrub_behavior
-    assert_scrubbed '<tag>hello</tag>', 'hello'
-  end
-
-  def test_default_attributes_removal_behavior
-    assert_scrubbed '<p cooler="hello">hello</p>', '<p>hello</p>'
-  end
-
-  def test_leaves_supplied_tags
-    @scrubber.tags = %w(a)
-    assert_scrubbed '<a>hello</a>'
-  end
-
-  def test_leaves_only_supplied_tags
-    html = '<tag>leave me <span>now</span></tag>'
-    @scrubber.tags = %w(tag)
-    assert_scrubbed html, '<tag>leave me now</tag>'
-  end
-
-  def test_leaves_only_supplied_tags_nested
-    html = '<tag>leave <em>me <span>now</span></em></tag>'
-    @scrubber.tags = %w(tag)
-    assert_scrubbed html, '<tag>leave me now</tag>'
-  end
-
-  def test_leaves_supplied_attributes
-    @scrubber.attributes = %w(cooler)
-    assert_scrubbed '<a cooler="hello"></a>'
-  end
-
-  def test_leaves_only_supplied_attributes
-    @scrubber.attributes = %w(cooler)
-    assert_scrubbed '<a cooler="hello" b="c" d="e"></a>', '<a cooler="hello"></a>'
-  end
-
-  def test_leaves_supplied_tags_and_attributes
-    @scrubber.tags = %w(tag)
-    @scrubber.attributes = %w(cooler)
-    assert_scrubbed '<tag cooler="hello"></tag>'
-  end
-
-  def test_leaves_only_supplied_tags_and_attributes
-    @scrubber.tags = %w(tag)
-    @scrubber.attributes = %w(cooler)
-    html = '<a></a><tag href=""></tag><tag cooler=""></tag>'
-    assert_scrubbed html, '<tag></tag><tag cooler=""></tag>'
-  end
-
-  def test_leaves_text
-    assert_scrubbed('some text')
-  end
-
-  def test_skips_text_nodes
-    assert_node_skipped 'some text'
-  end
-
-  def test_tags_accessor_validation
-    e = assert_raise(ArgumentError) do
-      @scrubber.tags = 'tag'
-    end
-
-    assert_equal "You should pass :tags as an Enumerable", e.message
-    assert_nil @scrubber.tags, "Tags should be nil when validation fails"
-  end
-
-  def test_attributes_accessor_validation
-    e = assert_raise(ArgumentError) do
-      @scrubber.attributes = 'cooler'
-    end
-
-    assert_equal "You should pass :attributes as an Enumerable", e.message
-    assert_nil @scrubber.attributes, "Attributes should be nil when validation fails"
-  end
-
-  def test_scrub_uses_public_api
-    @scrubber.tags = %w(tag)
-    @scrubber.attributes = %w(cooler)
-
-    scrub_expectations '<p id="hello">some text</p>' do
-      expects(skip_node?: false)
-      expects(allowed_node?: false)
-
-      expects(:scrub_node)
-
-      expects(scrub_attribute?: false)
-    end
-  end
-
-  def test_keep_node_returns_false_node_will_be_stripped
-    scrub_expectations '<p>normally p tags are kept<p>' do
-      stubs(keep_node?: false)
-      expects(:scrub_node)
-    end
-  end
-
-  def test_skip_node_returns_false_node_will_be_stripped
-    scrub_expectations 'normally text nodes are skipped' do
-      stubs(skip_node?: false)
-      expects(keep_node?: true)
-    end
-  end
-
-  def test_stripping_of_normally_skipped_and_kept_node
-    scrub_expectations 'text is skipped by default' do
-      stubs(skip_node?: false, keep_node?: false)
-      expects(:scrub_node)
-      expects(:scrub_attributes) # expected since scrub_node doesn't return STOP
-    end
-  end
-
-  def test_attributes_are_scrubbed_for_kept_node
-    scrub_expectations 'text is kept, but normally skipped' do
-      stubs(skip_node?: false)
-      expects(:scrub_attributes)
-    end
-  end
-
-  def test_scrubbing_of_empty_node
-    scrubbing = scrub_expectations '' do
-      expects(skip_node?: true)
-    end
-
-    assert_equal Loofah::Scrubber::CONTINUE, scrubbing
-  end
-
-  def test_scrub_returns_stop_if_scrub_node_does
-    scrubbing = scrub_expectations '<script>free me</script>' do
-      stubs(scrub_node: Loofah::Scrubber::STOP)
-      expects(:scrub_attributes).never
-    end
-
-    assert_equal Loofah::Scrubber::STOP, scrubbing
-  end
-end
-
-class TargetScrubberTest < ScrubberTest
-  def setup
-    @scrubber = TargetScrubber.new
-  end
-
-  def test_targeting_tags_removes_only_them
-    @scrubber.tags = %w(a h1)
-    html = '<script></script><a></a><h1></h1>'
-    assert_scrubbed html, '<script></script>'
-  end
-
-  def test_targeting_tags_removes_only_them_nested
-    @scrubber.tags = %w(a)
-    html = '<tag><a><tag><a></a></tag></a></tag>'
-    assert_scrubbed html, '<tag><tag></tag></tag>'
-  end
-
-  def test_targeting_attributes_removes_only_them
-    @scrubber.attributes = %w(class id)
-    html = '<a class="a" id="b" onclick="c"></a>'
-    assert_scrubbed html, '<a onclick="c"></a>'
-  end
-
-  def test_targeting_tags_and_attributes_removes_only_them
-    @scrubber.tags = %w(tag)
-    @scrubber.attributes = %w(remove)
-    html = '<tag remove="" other=""></tag><a remove="" other=""></a>'
-    assert_scrubbed html, '<a other=""></a>'
-  end
-end
\ No newline at end of file
-- 
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