require 'active_support/backtrace_cleaner' module Rails class BacktraceCleaner < ActiveSupport::BacktraceCleaner ERB_METHOD_SIG = /:in `_run_erb_.*/ APP_DIRS = %w( app config lib test ) 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_bundler_filters add_silencer { |line| !APP_DIRS.any? { |dir| line =~ /^#{dir}/ } } 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(%r{(#{path})/gems/([^/]+)-([0-9.]+)/(.*)}, '\2 (\3) \4') } end end def add_bundler_filters return unless defined? Bundler add_filter { |line| line.sub(%r{vendor/gems/[^/]+/[^/]+/gems/([^/]+)-([0-9.]+)/(.*)}, '\1 (\2) \3') } add_filter { |line| line.sub(%r{vendor/gems/[^/]+/[^/]+/dirs/([^/]+)/(.*)}, '\1 \2') } 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