Module: Uncov::Report::Context

Defined in:
lib/uncov/report/context.rb

Overview

calculate context for important lines,

Returns:

  • (Integer) —

    only added context lines matching all_line_numbers and not in important_line_numbers

Class Method Summary collapse

Class Method Details

.add_context(finder, file_name, lines_hash) ⇒ Object 



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# File 'lib/uncov/report/context.rb', line 7

def add_context(finder, file_name, lines_hash)
  return if Uncov.configuration.context.zero?

  line_numbers =
    lines_hash.filter_map do |line_number, line|
      line_number if line.trigger?
    end
  all_line_numbers = finder.file_system_files.lines(file_name).keys
  context_line_numbers = calculate(all_line_numbers, line_numbers, Uncov.configuration.context)
  context_line_numbers.each do |line_number|
    mark_context_line(finder, file_name, lines_hash, line_number)
  end
end

.calculate(all_line_numbers, important_line_number, context) ⇒ Object 



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# File 'lib/uncov/report/context.rb', line 21

def calculate(all_line_numbers, important_line_number, context)
  context_line_numbers = {}
  important_line_number.each do |line_number|
    (1..context).to_a.each do |offset|
      context_line_numbers[line_number - offset] = true
      context_line_numbers[line_number + offset] = true
    end
  end
  (context_line_numbers.keys.sort & all_line_numbers) - important_line_number
end