haml--haml/test/profile.rb

46 lines
1.3 KiB
Ruby

require File.dirname(__FILE__) + '/../lib/haml/template'
require 'rubygems'
require 'active_support'
require 'action_view'
require 'profiler'
require 'stringio'
module Haml
# A profiler for HAML, mostly for development use. This simply implements
# the Ruby profiler for profiling HAML code.
class Profiler
# Creates a new profiler that looks for templates in the base
# directory.
def initialize(base = File.join(File.dirname(__FILE__), 'templates'))
ActionView::Base.register_template_handler("haml", Haml::Template)
unless base.class == ActionView::Base
@base = ActionView::Base.new(base)
else
@base = base
end
end
# Profiles HAML on the given template with the given number of runs.
# The template name shouldn't have a file extension; this will
# automatically look for a HAML template.
#
# Returns the results of the profiling as a string.
def profile(runs = 100, template_name = 'standard')
# Runs the profiler, collects information
Profiler__::start_profile
runs.times { @base.render template_name }
Profiler__::stop_profile
# Outputs information to a StringIO, returns result
io = StringIO.new
Profiler__::print_profile(io)
io.pos = 0
result = io.read
io.close
return result
end
end
end