Class: Minitest::BacktraceFilter

Inherits:
Object
  • Object
show all
Defined in:
lib/minitest.rb

Overview

The standard backtrace filter for minitest.

See Minitest.backtrace_filter=.

Constant Summary collapse

MT_RE =

:nodoc:

%r%lib/minitest|internal:warning%

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(regexp = MT_RE) ⇒ BacktraceFilter

Returns a new instance of BacktraceFilter.


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# File 'lib/minitest.rb', line 1146

def initialize regexp = MT_RE
  self.regexp = regexp
end

Instance Attribute Details

#regexp ⇒ Object

Returns the value of attribute regexp.


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# File 'lib/minitest.rb', line 1144

def regexp
  @regexp
end

Instance Method Details

#filter(bt) ⇒ Object

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


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# File 'lib/minitest.rb', line 1154

def filter bt
  return ["No backtrace"] unless bt

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

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

  new_bt
end