class SimpleCov::ExitCodes::MaximumCoverageDropCheck

Constants

MAX_DROP_ACCURACY

if anyone says “max_coverage_drop 0.000000000000000001” I appologize. Please don't.

Attributes

maximum_coverage_drop[R]
result[R]

Public Class Methods

new(result, maximum_coverage_drop) click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 5
def initialize(result, maximum_coverage_drop)
  @result = result
  @maximum_coverage_drop = maximum_coverage_drop
end

Public Instance Methods

exit_code() click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 27
def exit_code
  SimpleCov::ExitCodes::MAXIMUM_COVERAGE_DROP
end
failing?() click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 10
def failing?
  return false unless maximum_coverage_drop && last_run

  coverage_drop_violations.any?
end
report() click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 16
def report
  coverage_drop_violations.each do |violation|
    $stderr.printf(
      "%<criterion>s coverage has dropped by %<drop_percent>.2f%% since the last time (maximum allowed: %<max_drop>.2f%%).\n",
      criterion: violation[:criterion].capitalize,
      drop_percent: SimpleCov.round_coverage(violation[:drop_percent]),
      max_drop: violation[:max_drop]
    )
  end
end

Private Instance Methods

compute_coverage_drop_data() click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 48
def compute_coverage_drop_data
  maximum_coverage_drop.map do |criterion, percent|
    {
      criterion: criterion,
      max_drop: percent,
      drop_percent: drop_percent(criterion)
    }
  end
end
coverage_drop_violations() click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 41
def coverage_drop_violations
  @coverage_drop_violations ||=
    compute_coverage_drop_data.select do |achieved|
      achieved.fetch(:max_drop) < achieved.fetch(:drop_percent)
    end
end
drop_percent(criterion) click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 60
def drop_percent(criterion)
  drop = last_coverage(criterion) -
         SimpleCov.round_coverage(
           result.coverage_statistics.fetch(criterion).percent
         )

  # floats, I tell ya.
  # irb(main):001:0* 80.01 - 80.0
  # => 0.010000000000005116
  drop.floor(MAX_DROP_ACCURACY)
end
last_coverage(criterion) click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 72
def last_coverage(criterion)
  last_coverage_percent = last_run[:result][criterion]

  # fallback for old file format
  last_coverage_percent = last_run[:result][:covered_percent] if !last_coverage_percent && criterion == :line

  last_coverage_percent || 0
end
last_run() click to toggle source
# File lib/simplecov/exit_codes/maximum_coverage_drop_check.rb, line 35
def last_run
  return @last_run if defined?(@last_run)

  @last_run = SimpleCov::LastRun.read
end