Module: DeepCover::CoverageReplacement

Defined in:
lib/deep_cover/core_ext/coverage_replacement.rb

Constant Summary collapse

OLD_COVERAGE_SENTINEL = 
Object.new
ALL_COVERAGES = 
{lines: true, branches: true, methods: true}.freeze

Class Method Summary collapse

Class Method Details

.peek_result ⇒ Object 



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# File 'lib/deep_cover/core_ext/coverage_replacement.rb', line 46

def peek_result
  raise 'coverage measurement is not enabled' unless running?
  if @started_args == OLD_COVERAGE_SENTINEL
    DeepCover.coverage.covered_codes.map do |covered_code|
      [covered_code.path.to_s, covered_code.line_coverage(allow_partial: false)]
    end.to_h
  else
    DeepCover.coverage.covered_codes.map do |covered_code|
      cov = {}
      cov[:branches] = DeepCover::Analyser::Ruby25LikeBranch.new(covered_code).results if @started_args[:branches]
      cov[:lines] = covered_code.line_coverage(allow_partial: false) if @started_args[:lines]
      cov[:methods] = {} if @started_args[:methods]
      [covered_code.path.to_s, cov]
    end.to_h
  end
end

.result ⇒ Object 



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# File 'lib/deep_cover/core_ext/coverage_replacement.rb', line 40

def result
  r = peek_result
  DeepCover.stop
  r
end

.running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deep_cover/core_ext/coverage_replacement.rb', line 11

def running?
  DeepCover.running?
end

.start(targets = OLD_COVERAGE_SENTINEL) ⇒ Object 



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# File 'lib/deep_cover/core_ext/coverage_replacement.rb', line 15

def start(targets = OLD_COVERAGE_SENTINEL)
  if targets == OLD_COVERAGE_SENTINEL
    # Do nothing
  elsif targets == :all
    targets = ALL_COVERAGES
  else
    targets = targets.to_hash.slice(*ALL_COVERAGES.keys).select { |_, v| v }
    targets = targets.map { |k, v| [k, !!v] }.to_h
    if targets.empty?
      raise 'no measuring target is specified' if RUBY_VERSION.start_with?('2.5')
      targets = OLD_COVERAGE_SENTINEL
    end
  end

  if DeepCover.running?
    raise 'cannot change the measuring target during coverage measurement' if @started_args != targets
    return
  end

  @started_args = targets

  DeepCover.start
  nil
end