Class: Judges::Judge

Inherits:
Object show all
Defined in:
lib/judges/judge.rb

Overview

A single judge.

Author

Yegor Bugayenko ([email protected])

Copyright

Copyright © 2024-2025 Yegor Bugayenko

License

MIT

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dir, lib, loog, epoch: Time.now) ⇒ Judge

Ctor.



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# File 'lib/judges/judge.rb', line 24

def initialize(dir, lib, loog, epoch: Time.now)
  @dir = dir
  @lib = lib
  @loog = loog
  @epoch = epoch
end

Instance Attribute Details

#dir ⇒ Object (readonly)

Returns the value of attribute dir.



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# File 'lib/judges/judge.rb', line 18

def dir
  @dir
end

Instance Method Details

#name ⇒ String

Returns the name of the judge.

The name is derived from the directory name containing the judge.



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# File 'lib/judges/judge.rb', line 98

def name
  File.basename(@dir)
end

#run(fb, global, local, options) ⇒ nil

Executes the judge script with the provided factbase and configuration.

This method sets up the execution environment by creating global variables, loading library files, and running the judge script. It tracks execution time and captures any errors that occur during execution.

Raises:

  • (RuntimeError) —

    If the lib directory doesn’t exist, the script can’t be loaded, or execution fails



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# File 'lib/judges/judge.rb', line 58

def run(fb, global, local, options)
  $fb = fb
  $judge = File.basename(@dir)
  $options = options
  $loog = @loog
  $global = global
  $global.delete(:fb) # to make sure Tallied is always actual
  $local = local
  $epoch = @epoch
  $kickoff = Time.now
  options.to_h.each { |k, v| ENV.store(k.to_s, v.to_s) }
  unless @lib.nil?
    raise "Lib dir #{@lib.to_rel} is absent" unless File.exist?(@lib)
    raise "Lib #{@lib.to_rel} is not a directory" unless File.directory?(@lib)
    Dir.glob(File.join(@lib, '*.rb')).each do |f|
      require_relative(File.absolute_path(f))
    end
  end
  s = File.join(@dir, script)
  raise "Can't load '#{s}'" unless File.exist?(s)
  elapsed(@loog, good: "#{$judge} completed", level: Logger::INFO) do
    load(s, true)
    nil
    # rubocop:disable Lint/RescueException
  rescue Exception => e
    # rubocop:enable Lint/RescueException
    @loog.error(Backtrace.new(e))
    raise e if e.is_a?(StandardError)
    raise e if e.is_a?(Timeout::ExitException)
    raise "#{e.message} (#{e.class.name})"
  ensure
    $fb = $judge = $options = $loog = $epoch = $kickoff = nil
  end
end

#script ⇒ String

Returns the name of the main Ruby script file for this judge.

The script file must have the same name as the judge directory with a .rb extension. For example, if the judge directory is “quality”, the script must be “quality.rb”.

Raises:

  • (RuntimeError) —

    If the expected script file is not found in the judge directory



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# File 'lib/judges/judge.rb', line 109

def script
  b = "#{File.basename(@dir)}.rb"
  files = Dir.glob(File.join(@dir, '*.rb')).map { |f| File.basename(f) }
  raise "No #{b} script in #{@dir.to_rel} among #{files}" unless files.include?(b)
  b
end

#tests ⇒ Array<String>

Returns all YAML test files in the judge directory.

Test files are expected to have a .yml extension and contain test data used to validate the judge’s behavior.



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# File 'lib/judges/judge.rb', line 122

def tests
  Dir.glob(File.join(@dir, '*.yml'))
end

#to_s ⇒ String

Returns the string representation of the judge.



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# File 'lib/judges/judge.rb', line 34

def to_s
  name
end

#with_loog(loog) ⇒ Judges::Judge

A new judge, with a different log.



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# File 'lib/judges/judge.rb', line 42

def with_loog(loog)
  Judges::Judge.new(@dir, @lib, loog, epoch: @epoch)
end