class Minitest::BacktraceFilter

The standard backtrace filter for minitest.

See Minitest.backtrace_filter=.

Public Instance Methods

filter(bt) click to toggle source

Filter bt to something useful. Returns the whole thing if $DEBUG (ruby) or $MT_DEBUG (env).

# File minitest-5.15.0/lib/minitest.rb, line 1026
def filter bt
  return ["No backtrace"] unless bt

  return bt.dup if $DEBUG || ENV["MT_DEBUG"]

  new_bt = bt.take_while { |line| line !~ MT_RE }
  new_bt = bt.select     { |line| line !~ MT_RE } if new_bt.empty?
  new_bt = bt.dup                                 if new_bt.empty?

  new_bt
end