Class: Coco::CoverageStat

Inherits:
Object
  • Object
show all
Defined in:
lib/coco/cover/coverage_stat.rb

Overview

Give statistics about an array of lines hit.

An “array of lines hit” is an array of integers, possibly nil. Such array is obtain from Coverage.result.

Each integer represent the state of a source line:

  • nil: source line will never be reached (like comments)

  • 0: source line could be reached, but was not

  • 1 and above: number of time the source line has been reached

Class Method Summary collapse

Class Method Details

.coverage_percent(hits) ⇒ Object 



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# File 'lib/coco/cover/coverage_stat.rb', line 24

def CoverageStat.coverage_percent hits
  hits = CoverageStat.remove_nil_from hits
  return 0 if hits.empty?
  one_percent = 100.0 / hits.size
  (CoverageStat.number_of_covered_lines(hits) * one_percent).to_i
end

.number_of_covered_lines(hits) ⇒ Object 



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# File 'lib/coco/cover/coverage_stat.rb', line 20

def CoverageStat.number_of_covered_lines hits
  hits.select {|elem| elem > 0}.size
end

.remove_nil_from(hits) ⇒ Object 



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# File 'lib/coco/cover/coverage_stat.rb', line 16

def CoverageStat.remove_nil_from hits
  hits.select {|elem| not elem.nil?}
end