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require 'active_support/backtrace_cleaner'
module Rails
class BacktraceCleaner < ActiveSupport::BacktraceCleaner
ERB_METHOD_SIG = /:in `_run_erb_.*/
RAILS_GEMS = %w( actionpack activerecord actionmailer activesupport activeresource rails )
VENDOR_DIRS = %w( vendor/rails )
SERVER_DIRS = %w( lib/mongrel bin/mongrel
lib/passenger bin/passenger-spawn-server
lib/rack )
RAILS_NOISE = %w( script/server )
RUBY_NOISE = %w( rubygems/custom_require benchmark.rb )
ALL_NOISE = VENDOR_DIRS + SERVER_DIRS + RAILS_NOISE + RUBY_NOISE
def initialize
super
add_filter { |line| line.sub("#{Rails.root}/", '') }
add_filter { |line| line.sub(ERB_METHOD_SIG, '') }
add_filter { |line| line.sub('./', '/') } # for tests
add_gem_filters
add_silencer { |line| ALL_NOISE.any? { |dir| line.include?(dir) } }
add_silencer { |line| RAILS_GEMS.any? { |gem| line =~ /^#{gem} / } }
add_silencer { |line| line =~ %r(vendor/plugins/[^\/]+/lib) }
end
private
def add_gem_filters
return unless defined? Gem
(Gem.path + [Gem.default_dir]).uniq.each do |path|
# http://gist.github.com/30430
add_filter { |line| line.sub(/(#{path})\/gems\/([a-z]+)-([0-9.]+)\/(.*)/, '\2 (\3) \4')}
end
end
end
# For installing the BacktraceCleaner in the test/unit
module BacktraceFilterForTestUnit #:nodoc:
def self.included(klass)
klass.send :alias_method_chain, :filter_backtrace, :cleaning
end
def filter_backtrace_with_cleaning(backtrace, prefix=nil)
backtrace = filter_backtrace_without_cleaning(backtrace, prefix)
backtrace = backtrace.first.split("\n") if backtrace.size == 1
Rails.backtrace_cleaner.clean(backtrace)
end
end
end
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