Class: Spec::Runner::BacktraceTweaker

Inherits:
Object
  • Object
show all
Defined in:
lib/spec/runner/backtrace_tweaker.rb

Direct Known Subclasses

NoisyBacktraceTweaker, QuietBacktraceTweaker

Instance Method Summary collapse

Constructor Details

#initialize(*patterns) ⇒ BacktraceTweaker

Returns a new instance of BacktraceTweaker.



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# File 'lib/spec/runner/backtrace_tweaker.rb', line 4

def initialize(*patterns)
  @ignore_patterns = []
end

Instance Method Details

#clean_up_double_slashes(line) ⇒ Object 



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# File 'lib/spec/runner/backtrace_tweaker.rb', line 8

def clean_up_double_slashes(line)
  line.gsub!('//','/')
end

#ignore_patterns(*patterns) ⇒ Object 



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# File 'lib/spec/runner/backtrace_tweaker.rb', line 12

def ignore_patterns(*patterns)
  # do nothing. Only QuietBacktraceTweaker ignores patterns.
end

#ignored_patterns ⇒ Object 



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# File 'lib/spec/runner/backtrace_tweaker.rb', line 16

def ignored_patterns
  []
end

#tweak_backtrace(error) ⇒ Object 



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# File 'lib/spec/runner/backtrace_tweaker.rb', line 20

def tweak_backtrace(error)
  return if error.backtrace.nil?
  tweaked = error.backtrace.collect do |message|
    clean_up_double_slashes(message)
    kept_lines = message.split("\n").select do |line|
      ignored_patterns.each do |ignore|
        break if line =~ ignore
      end
    end
    kept_lines.empty?? nil : kept_lines.join("\n")
  end
  error.set_backtrace(tweaked.select {|line| line})
end