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# Validate an entire HTML page
def validate_html(html)
$tempfilecount = $tempfilecount + 1
tempfilename = File.join(Dir::tmpdir, "railshtmlvalidate."+$$.to_s+"."+$tempfilecount.to_s+".html")
File.open(tempfilename, "w+") do |f|
f.puts html
end
if not system($html_validation_script, *($html_validation_script_options +[tempfilename]))
raise "HTML validation error in " + tempfilename + " HTTP status: " + @response.response_code.to_s
end
File.unlink(tempfilename)
return true
end
# Validate HTML fragment by wrapping it as the <body> of a page
def validate_as_body(html)
validate_html('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">' +
"<html><head><title>Test</title></head><body>#{html}</body></html>")
end
# Monkeypatch! Validate HTML in tests.
$html_validation_script_found = false
Configuration::utility_search_path.each do |d|
$html_validation_script = File.join(d, "validate")
$html_validation_script_options = ["--charset=utf-8"]
if File.file? $html_validation_script and File.executable? $html_validation_script
$html_validation_script_found = true
break
end
end
if $tempfilecount.nil?
$tempfilecount = 0
if $html_validation_script_found
module ActionController
class TestCase
module Behavior
# Hook into the process function, so can automatically get HTML after each request
alias :original_process :process
def is_fragment
# XXX there must be a better way of doing this!
return @request.query_parameters["action"] == "search_typeahead"
end
def process(action, parameters = nil, session = nil, flash = nil, http_method = 'GET')
self.original_process(action, parameters, session, flash, http_method)
# don't validate auto-generated HTML
return if @request.query_parameters["action"] == "get_attachment_as_html"
# XXX Is there a better way to check this than calling a private method?
return unless @response.template.controller.instance_eval { render_views? }
# And then if HTML, not a redirect (302, 301)
if @response.content_type == "text/html" && ! [301,302,401].include?(@response.response_code)
if !is_fragment
validate_html(@response.body)
else
# it's a partial
validate_as_body(@response.body)
end
end
end
end
end
end
else
puts "WARNING: HTML validation script " + $html_validation_script + " not found"
end
end
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