Class: Minitest::BacktraceFilter

Relationships & Source Files
Inherits:	Object
Defined in:	lib/minitest.rb

Overview

The standard backtrace filter for minitest.

See Minitest.backtrace_filter=.

Constant Summary

MT_RE = Internal use only
# File 'lib/minitest.rb', line 1037
```
%r%lib/minitest%
```

Instance Method Summary

#filter(bt)

Filter bt to something useful.

Instance Method Details

#filter(bt)

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

[ GitHub ]

# File 'lib/minitest.rb', line 1043


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