Contents

# frozen_string_literal: true

module Mutant
  # Abstract matcher to find subjects to mutate
  class Matcher
    include Adamantium::Flat, AbstractType

    # Call matcher
    #
    # @param [Env] env
    #
    # @return [Enumerable<Subject>]
    #
    abstract_method :call

    # Turn config into matcher
    #
    # @param [Config] config
    #
    # @return [Matcher]
    def self.from_config(config)
      Filter.new(
        Chain.new(config.match_expressions.map(&:matcher)),
        method(:allowed_subject?).curry.call(config)
      )
    end

    def self.allowed_subject?(config, subject)
      select_subject?(config, subject) && !ignore_subject?(config, subject)
    end
    private_class_method :allowed_subject?

    def self.select_subject?(config, subject)
      config.subject_filters.all? { |filter| filter.call(subject) }
    end
    private_class_method :select_subject?

    # Predicate that tests for ignored subject
    #
    # @param [Config] config
    # @param [Subject] subject
    #
    # @return [Boolean]
    def self.ignore_subject?(config, subject)
      config.ignore_expressions.any? do |expression|
        expression.prefix?(subject.expression)
      end
    end
  end # Matcher
end # Mutant

Version data entries

28 entries across 28 versions & 1 rubygems

Version	Path
mutant-0.10.23	lib/mutant/matcher.rb
mutant-0.10.22	lib/mutant/matcher.rb
mutant-0.10.21	lib/mutant/matcher.rb
mutant-0.10.20	lib/mutant/matcher.rb
mutant-0.10.19	lib/mutant/matcher.rb
mutant-0.10.18	lib/mutant/matcher.rb
mutant-0.10.17	lib/mutant/matcher.rb
mutant-0.10.16	lib/mutant/matcher.rb
mutant-0.10.15	lib/mutant/matcher.rb
mutant-0.10.14	lib/mutant/matcher.rb
mutant-0.10.13	lib/mutant/matcher.rb
mutant-0.10.12	lib/mutant/matcher.rb
mutant-0.10.11	lib/mutant/matcher.rb
mutant-0.10.10	lib/mutant/matcher.rb
mutant-0.10.9	lib/mutant/matcher.rb
mutant-0.10.8	lib/mutant/matcher.rb
mutant-0.10.7	lib/mutant/matcher.rb
mutant-0.10.6	lib/mutant/matcher.rb
mutant-0.10.5	lib/mutant/matcher.rb
mutant-0.10.4	lib/mutant/matcher.rb