module RSpec module Core # @private class BacktraceFormatter # @private attr_accessor :exclusion_patterns, :inclusion_patterns def initialize @full_backtrace = false @system_exclusion_patterns = [] << Regexp.union( *["/lib\d*/ruby/", "org/jruby/", "bin/", "/gems/", "lib/rspec/(core|expectations|matchers|mocks)"]. map {|s| Regexp.new(s.gsub("/", File::SEPARATOR))}) @exclusion_patterns = [] + @system_exclusion_patterns @inclusion_patterns = [Regexp.new(Dir.getwd)] end def full_backtrace=(full_backtrace) @full_backtrace = full_backtrace end def full_backtrace? @full_backtrace || @exclusion_patterns.empty? end def format_backtrace(backtrace, options = {}) return backtrace if options[:full_backtrace] backtrace.map { |l| backtrace_line(l) }.compact. tap do |filtered| if filtered.empty? filtered.concat backtrace filtered << "" filtered << " Showing full backtrace because every line was filtered out." filtered << " See docs for RSpec::Configuration#backtrace_exclusion_patterns and" filtered << " RSpec::Configuration#backtrace_inclusion_patterns for more information." end end end def backtrace_line(line) RSpec::Core::Metadata::relative_path(line) unless exclude?(line) rescue SecurityError nil end def exclude?(line) return false if @full_backtrace matches_an_exclusion_pattern?(line) && doesnt_match_inclusion_pattern_unless_system_exclusion?(line) end private def matches_an_exclusion_pattern?(line) @exclusion_patterns.any? { |p| line =~ p } end def doesnt_match_inclusion_pattern_unless_system_exclusion?(line) @system_exclusion_patterns.any? { |p| line =~ p } || @inclusion_patterns.none? { |p| p =~ line } end end end end