MCL/sf/mw/web: comparison webengine/osswebengine/WebKitTools/iExploder/htdocs/iexploder.rb

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+:dd21522fd290
+# iExploder - Generates bad HTML files to perform QA for web browsers.
+# Developed for the Mozilla Foundation.
+#####################
+#
+# Copyright (c) 2006 Thomas Stromberg <thomas%stromberg.org>
+#
+# This software is provided 'as-is', without any express or implied warranty.
+# In no event will the authors be held liable for any damages arising from the
+# use of this software.
+#
+# Permission is granted to anyone to use this software for any purpose,
+# including commercial applications, and to alter it and redistribute it
+# freely, subject to the following restrictions:
+#
+# 1. The origin of this software must not be misrepresented; you must not
+# claim that you wrote the original software. If you use this software in a
+# product, an acknowledgment in the product documentation would be appreciated
+# but is not required.
+#
+# 2. Altered source versions must be plainly marked as such, and must not be
+# misrepresented as being the original software.
+#
+# 3. This notice may not be removed or altered from any source distribution.
+$VERSION="1.3.2"
+class IExploder
+attr_accessor :test_num, :subtest_num, :lookup_mode, :random_mode, :url
+attr_accessor :offset, :lines, :stop_num
+def initialize(max_tags, max_attrs, max_props)
+@htmlMaxTags = max_tags
+@htmlMaxAttrs = max_attrs
+@cssMaxProps = max_props
+@mangledTagTotal = 0
+@stop_num = 0
+end
+def setRandomSeed
+if @test_num > 0
+srand(@test_num)
+else
+srand
+end
+end
+def readTagFiles
+# These if statements are so that mod_ruby doesn't have to reload the files
+# each time
+if (! @cssTags)
+@cssTags = readTagFile('cssproperties.in');
+end
+if (! @htmlTags)
+@htmlTags = readTagFile('htmltags.in');
+end
+if (! @htmlAttr)
+@htmlAttr = readTagFile('htmlattrs.in');
+end
+if (! @htmlValues)
+@htmlValues = readTagFile('htmlvalues.in');
+end
+if (! @cssValues)
+@cssValues = readTagFile('cssvalues.in');
+end
+end
+def readTagFile(filename)
+list = Array.new
+File.new(filename).readlines.each { |line|
+line.chop!
+# Don't include comments.
+if (line !~ /^# /) && (line.length > 0)
+list << line
+end
+}
+return  list
+end
+# based on make_up_value, essentially.
+def inventValue
+value = rand(19);
+case value
+when 1..3 then return (@htmlValues[rand(@htmlValues.length)])
+when 4..5 then return (@htmlValues[rand(@htmlValues.length)] + inventValue())
+when 6 then return (@htmlValues[rand(@htmlValues.length)] + "//" + inventValue())
+when 7 then return ''
+# this may return negative argument?
+when 8..10 then return rand(255).chr * (rand(256)+8)
+when 11 then return rand(255).chr * (rand(2048)+8)
+when 12 then return "#" + rand(999999).to_s
+when 13 then return rand(999999).to_s + "%"
+when 14..15 then return "&" + rand(999999).to_s + ";"
+# filters
+when 16 then
+return inventValue() + "=" + inventValue()
+# this my return undefined method + for nil:NilClass
+when 17 then return inventValue() + "," + inventValue()
+else
+if rand(5) > 3
+return "-" + rand(999999).to_s
+else
+return rand(999999).to_s
+end
+end
+end
+# based on make_up_value, essentially.
+def inventCssValue(tag)
+value = rand(23);
+case value
+when 1..10 then return @cssValues[rand(@cssValues.length)]
+when 11 then return ''
+when 12 then return rand(255).chr * (rand(8192)+8)
+when 13
+length = rand(1024) + 8
+return (rand(255).chr * length) + " " + (rand(255).chr * length) + " " + (rand(255).chr * length)
+when 14 then return (rand(255).chr * (rand(1024)+3)) + "px"
+when 15 then return (rand(255).chr * (rand(1024)+3)) + "em"
+when 16 then return "url(" + inventValue() + ")"
+when 17..18 then return "#" + rand(999999999).to_s
+when 19 then return "-" + rand(99999999).to_s
+else return rand(99999999).to_s;
+end
+end
+def mangleTag(tag)
+@mangledTagTotal += 1
+out = ''
+# 20% chance of closing a tag instead of opening it. This
+# still counts against @mangledTagTotal, however.
+if rand(10) > 8
+out = "</" + tag + ">"
+return out
+end
+# we're opening it.
+out = "<" + tag
+# forgot the space between the tag and the attributes
+if rand(15) > 1
+out << ' '
+end
+attrNum = rand(@htmlMaxAttrs) + 1
+1.upto(attrNum) {
+attr = @htmlAttr[rand(@htmlAttr.length)]
+out << attr
+# 7.5% of the time we skip the = sign. Don't prefix it
+# if the attribute ends with a ( however.
+if rand(15) > 1
+out << '='
+end
+# sometimes quote it, sometimes not. I doubt the importance
+# of this test, but mangleme-1.2 added it, and adding more
+# random-ness never hurt anything but time. I'll do it less often.
+quote = rand(2)
+if (quote > 1)
+out << "\""
+end
+out << inventValue()
+# end the quote when you are done
+if (quote > 1)
+out << "\" "
+end
+# 5% chance we skip the space at the end of the name
+if rand(20) > 1
+out << ' '
+end
+}
+# CSS styles!
+if rand(4) > 1
+out << " style=\""
+1.upto(rand(@cssMaxProps)+1) {
+out << @cssTags[rand(@cssTags.length)]
+# very small chance we let the tag run on.
+if rand(50) > 1
+out << ": "
+end
+out << inventCssValue(tag)
+# we almost always put the ; there.
+if rand(50) > 1
+out << '; '
+end
+}
+out << "\""
+end
+out << ">\n"
+# support our local troops!
+if (@subtest_num > 0) && filterSubTest()
+if tag =~ /html|body|head/
+return '<' + tag + '>'
+else
+return "<x-#@mangledTagTotal>\n"
+end
+else
+return out
+end
+end
+#end
+def filterSubTest()
+result = 1
+if (@mangledTagTotal >= @offset) && (@mangledTagTotal < (@offset + @lines))
+result = nil
+end
+return result
+end
+def nextTestNum()
+if random_mode
+n = rand(99999999)
+else
+if @test_num
+n = @test_num  + 1
+else
+n = 1
+end
+end
+return n
+end
+# If we are at line 30 with 8 extra lines, there is no point to try line 31
+# with 8 lines as well.. skip back to 1 and bump up the line count.
+def nextSubTestNum()
+if (@offset + @lines) > @htmlMaxTags
+nextNum = ((@lines * 2 -1)) * @htmlMaxTags
+else
+nextNum = @subtest_num + 1
+end
+return nextNum
+end
+def buildPage
+if (! @test_num) || (@test_num < 1)
+@test_num = 1
+end
+next_num=nextTestNum()
+@lines = @subtest_num.div(@htmlMaxTags) + 1
+@offset = @subtest_num.modulo(@htmlMaxTags)
+# building the HTML
+bodyText = mangleTag('html')
+bodyText << "\n<head>\n"
+# Only do redirects if lookup=1 has not been specified.
+if (! @lookup_mode) && (@lines <= @htmlMaxTags) && (@stop_num != @test_num)
+newpage = @url + "?"
+if @subtest_num > 0
+newpage << "test=" << @test_num.to_s << "&subtest=" << nextSubTestNum().to_s
+else
+newpage << "test=" << next_num.to_s
+end
+if @random_mode
+newpage << "&random=1"
+end
+if @stop_num > 0
+newpage << "&stop=" << @stop_num.to_s
+end
+bodyText << "\t<META HTTP-EQUIV=\"Refresh\" content=\"0;URL=#{newpage}\">\n"
+# use both techniques, because you never know how you might be corrupting yourself.
+bodyText << "\t<script language=\"javascript\">setTimeout('window.location=\"#{newpage}\"', 1000);</script>\n"
+end
+bodyText << "\t" << mangleTag('meta')
+bodyText << "\t" <<  mangleTag('meta')
+bodyText << "\t" <<  mangleTag('link')
+bodyText << "\t<title>[#@test_num] iExploder #{$VERSION} - #{inventValue()}</title>\n"
+bodyText << "</head>\n\n"
+# What tags will we be messing with ######################
+tagList = [ 'body']
+# we already have 5 tags?
+1.upto(@htmlMaxTags - 5 ) { tagList << @htmlTags[rand(@htmlTags.length)] }
+tagList.each { |tag|
+bodyText << mangleTag(tag)
+bodyText << inventValue() + "\n"
+}
+bodyText << "</body>\n</html>"
+end
+end
+if $0 == __FILE__
+max=ARGV[0].to_i
+puts "testing #{max} tags"
+test = IExploder.new(max, 5, 5)
+test.readTagFiles()
+test.test_num=1
+test.subtest_num=1
+counter=0
+test.lines=0
+while test.lines < max
+test.lines = test.subtest_num.div(max) + 1
+test.offset = test.subtest_num.modulo(max)
+test.subtest_num=test.nextSubTestNum
+counter = counter + 1
+	puts "[#{counter}] subtest #{test.subtest_num} is #{test.lines} lines with #{test.offset} offset"
+end
+puts "for #{max} tests, you will have #{counter} iterations until #{test.subtest_num}"
+end