From 6637f9069c8bd819edc175cca13b667861aa3a0b Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Wed, 10 Oct 2007 17:35:10 +0000 Subject: Extracted sanitization methods from TextHelper to SanitizeHelper [DHH] Changed SanitizeHelper#sanitize to only allow the custom attributes and tags when specified in the call [DHH] git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7825 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- actionpack/test/template/sanitize_helper_test.rb | 234 +++++++++++++++++++++++ actionpack/test/template/text_helper_test.rb | 222 --------------------- 2 files changed, 234 insertions(+), 222 deletions(-) create mode 100644 actionpack/test/template/sanitize_helper_test.rb (limited to 'actionpack/test/template') diff --git a/actionpack/test/template/sanitize_helper_test.rb b/actionpack/test/template/sanitize_helper_test.rb new file mode 100644 index 0000000000..9f039e287f --- /dev/null +++ b/actionpack/test/template/sanitize_helper_test.rb @@ -0,0 +1,234 @@ +require "#{File.dirname(__FILE__)}/../abstract_unit" +require "#{File.dirname(__FILE__)}/../testing_sandbox" + +class SanitizeHelperTest < Test::Unit::TestCase + include ActionView::Helpers::SanitizeHelper + include ActionView::Helpers::TagHelper + include TestingSandbox + + def test_strip_links + assert_equal "Dont touch me", strip_links("Dont touch me") + assert_equal "on my mind\nall day long") + assert_equal "0wn3d", strip_links("0wn3d") + assert_equal "Magic", strip_links("Magic") + assert_equal "FrrFox", strip_links("FrrFox") + assert_equal "My mind\nall day long", strip_links("My mind\nall day long") + assert_equal "all day long", strip_links("<a href='hello'>all day long</a>") + end + + def test_sanitize_form + assert_sanitized "
", '' + end + + def test_sanitize_plaintext + raw = "<span>foo</span></plaintext>" + assert_sanitized raw, "<span>foo</span>" + end + + def test_sanitize_script + raw = "a b c<script language=\"Javascript\">blah blah blah</script>d e f" + assert_sanitized raw, "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 name="foo" href="#">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::Helpers::SanitizeHelper.sanitized_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"></a>) + 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>" + assert_equal(text, sanitize(text, :tags => %w(u))) + end + + def test_should_allow_only_custom_tags + text = "<u>foo</u> with <i>bar</i>" + assert_equal("<u>foo</u> with bar", sanitize(text, :tags => %w(u))) + end + + def test_should_allow_custom_tags_with_attributes + text = %(<fieldset foo="bar">foo</fieldset>) + assert_equal(text, sanitize(text, :attributes => ['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_flag_bad_protocols + %w(about chrome data disk hcp help javascript livescript lynxcgi lynxexec ms-help ms-its mhtml mocha opera res resource shell vbscript view-source vnd.ms.radio wysiwyg).each do |proto| + assert contains_bad_protocols?('src', "#{proto}://bad") + end + end + + def test_should_accept_good_protocols + sanitized_allowed_protocols.each do |proto| + assert !contains_bad_protocols?('src', "#{proto}://good") + end + end + + def test_should_reject_hex_codes_in_protocol + assert contains_bad_protocols?('src', "%6A%61%76%61%73%63%72%69%70%74%3A%61%6C%65%72%74%28%22%58%53%53%22%29") + assert_sanitized %(<a href="&#37;6A&#37;61&#37;76&#37;61&#37;73&#37;63&#37;72&#37;69&#37;70&#37;74&#37;3A&#37;61&#37;6C&#37;65&#37;72&#37;74&#37;28&#37;22&#37;58&#37;53&#37;53&#37;22&#37;29">1</a>), "<a>1</a>" + end + + def test_should_block_script_tag + assert_sanitized %(<SCRIPT\nSRC=http://ha.ckers.org/xss.js></SCRIPT>), "" + end + + [%(<IMG SRC="javascript:alert('XSS');">), + %(<IMG SRC=javascript:alert('XSS')>), + %(<IMG SRC=JaVaScRiPt:alert('XSS')>), + %(<IMG """><SCRIPT>alert("XSS")</SCRIPT>">), + %(<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: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 + 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 + assert_sanitized %(<<SCRIPT>alert("XSS");//<</SCRIPT>), "&lt;" + 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>), "<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="'&gt;&lt;script&gt;alert()&lt;/script&gt;">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-image: ; background-x: center; background-y: center;) + 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_style_attribute + raw = %(<div style="display:block; background:url(http://rubyonrails.com); background-image: url(rubyonrails)">foo</div>) + assert_equal %(<div style="display: block; background: ; background-image: ;">foo</div>), sanitize(raw, :attributes => 'style') + end + + def test_should_sanitize_img_vbscript + assert_sanitized %(<img src='vbscript:msgbox("XSS")' />), '<img />' + end + + def test_strip_tags + assert_equal("<<<bad html", strip_tags("<<<bad html")) + assert_equal("<<", strip_tags("<<<bad html>")) + assert_equal("Dont touch me", strip_tags("Dont touch me")) + assert_equal("This is a test.", strip_tags("<p>This <u>is<u> a <a href='test.html'><strong>test</strong></a>.</p>")) + assert_equal("Weirdos", strip_tags("Wei<<a>a onclick='alert(document.cookie);'</a>/>rdos")) + assert_equal("This is a test.", strip_tags("This is a test.")) + assert_equal( + %{This is a test.\n\n\nIt no longer contains any HTML.\n}, strip_tags( + %{<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})) + assert_equal "This has a here.", strip_tags("This has a <!-- comment --> here.") + [nil, '', ' '].each { |blank| assert_equal blank, strip_tags(blank) } + end + + def assert_sanitized(text, expected = nil) + assert_equal((expected || text), sanitize(text)) + end +end \ No newline at end of file diff --git a/actionpack/test/template/text_helper_test.rb b/actionpack/test/template/text_helper_test.rb index 7520e49779..92d6bc3ae2 100644 --- a/actionpack/test/template/text_helper_test.rb +++ b/actionpack/test/template/text_helper_test.rb @@ -46,17 +46,6 @@ class TextHelperTest < Test::Unit::TestCase end end - def test_strip_links - assert_equal "Dont touch me", strip_links("Dont touch me") - assert_equal "<a<a", strip_links("<a<a") - assert_equal "on my mind\nall day long", strip_links("<a href='almost'>on my mind</a>\n<A href='almost'>all day long</A>") - assert_equal "0wn3d", strip_links("<a href='http://www.rubyonrails.com/'><a href='http://www.rubyonrails.com/' onlclick='steal()'>0wn3d</a></a>") - assert_equal "Magic", strip_links("<a href='http://www.rubyonrails.com/'>Mag<a href='http://www.ruby-lang.org/'>ic") - assert_equal "FrrFox", strip_links("<href onlclick='steal()'>FrrFox</a></href>") - assert_equal "My mind\nall <b>day</b> long", strip_links("<a href='almost'>My mind</a>\n<A href='almost'>all <b>day</b> long</A>") - assert_equal "all <b>day</b> long", strip_links("<<a>a href='hello'>all <b>day</b> long<</A>/a>") - end - def test_highlighter assert_equal( "This is a <strong class=\"highlight\">beautiful</strong> morning", @@ -261,199 +250,6 @@ class TextHelperTest < Test::Unit::TestCase assert_equal %(<p><a href="#{url}">#{url[0...7]}...</a><br /><a href="mailto:#{email}">#{email[0...7]}...</a><br /></p>), auto_link("<p>#{url}<br />#{email}<br /></p>") { |url| truncate(url, 10) } 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 - raw = "a b c<script language=\"Javascript\">blah blah blah</script>d e f" - assert_sanitized raw, "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 name="foo" href="#">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::Helpers::TextHelper.sanitized_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"></a>) - 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>" - assert_equal(text, sanitize(text, :tags => %w(u))) - end - - def test_should_allow_custom_tags_with_attributes - text = %(<fieldset foo="bar">foo</fieldset>) - assert_equal(text, sanitize(text, :attributes => ['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_flag_bad_protocols - %w(about chrome data disk hcp help javascript livescript lynxcgi lynxexec ms-help ms-its mhtml mocha opera res resource shell vbscript view-source vnd.ms.radio wysiwyg).each do |proto| - assert contains_bad_protocols?('src', "#{proto}://bad") - end - end - - def test_should_accept_good_protocols - sanitized_allowed_protocols.each do |proto| - assert !contains_bad_protocols?('src', "#{proto}://good") - end - end - - def test_should_reject_hex_codes_in_protocol - assert contains_bad_protocols?('src', "%6A%61%76%61%73%63%72%69%70%74%3A%61%6C%65%72%74%28%22%58%53%53%22%29") - assert_sanitized %(<a href="&#37;6A&#37;61&#37;76&#37;61&#37;73&#37;63&#37;72&#37;69&#37;70&#37;74&#37;3A&#37;61&#37;6C&#37;65&#37;72&#37;74&#37;28&#37;22&#37;58&#37;53&#37;53&#37;22&#37;29">1</a>), "<a>1</a>" - end - - def test_should_block_script_tag - assert_sanitized %(<SCRIPT\nSRC=http://ha.ckers.org/xss.js></SCRIPT>), "" - end - - [%(<IMG SRC="javascript:alert('XSS');">), - %(<IMG SRC=javascript:alert('XSS')>), - %(<IMG SRC=JaVaScRiPt:alert('XSS')>), - %(<IMG """><SCRIPT>alert("XSS")</SCRIPT>">), - %(<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: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 - 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 - assert_sanitized %(<<SCRIPT>alert("XSS");//<</SCRIPT>), "&lt;" - 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>), "<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="'&gt;&lt;script&gt;alert()&lt;/script&gt;">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-image: ; background-x: center; background-y: center;) - 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_style_attribute - raw = %(<div style="display:block; background:url(http://rubyonrails.com); background-image: url(rubyonrails)">foo</div>) - assert_equal %(<div style="display: block; background: ; background-image: ;">foo</div>), sanitize(raw, :attributes => 'style') - end - - def test_should_sanitize_img_vbscript - assert_sanitized %(<img src='vbscript:msgbox("XSS")' />), '<img />' - end - - def test_cycle_class value = Cycle.new("one", 2, "3") assert_equal("one", value.to_s) @@ -536,22 +332,4 @@ class TextHelperTest < Test::Unit::TestCase assert_equal("red", cycle("red", "blue")) assert_equal(%w{Specialized Fuji Giant}, @cycles) end - - def test_strip_tags - assert_equal("<<<bad html", strip_tags("<<<bad html")) - assert_equal("<<", strip_tags("<<<bad html>")) - assert_equal("Dont touch me", strip_tags("Dont touch me")) - assert_equal("This is a test.", strip_tags("<p>This <u>is<u> a <a href='test.html'><strong>test</strong></a>.</p>")) - assert_equal("Weirdos", strip_tags("Wei<<a>a onclick='alert(document.cookie);'</a>/>rdos")) - assert_equal("This is a test.", strip_tags("This is a test.")) - assert_equal( - %{This is a test.\n\n\nIt no longer contains any HTML.\n}, strip_tags( - %{<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})) - assert_equal "This has a here.", strip_tags("This has a <!-- comment --> here.") - [nil, '', ' '].each { |blank| assert_equal blank, strip_tags(blank) } - end - - def assert_sanitized(text, expected = nil) - assert_equal((expected || text), sanitize(text)) - end end -- cgit v1.2.3