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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_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
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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