free_mutant/lib/mutant/runner.rb
2012-11-21 22:55:53 +01:00

111 lines
1.8 KiB
Ruby

module Mutant
# Runner that allows to mutate an entire project
class Runner
include Adamantium::Flat
extend MethodObject
# Return killers with errors
#
# @return [Enumerable<Killer>]
#
# @api private
#
attr_reader :errors
# Test for failure
#
# @return [true]
# returns true when there are left mutations
#
# @return [false]
# returns false othewise
#
# @api private
#
def fail?
!errors.empty?
end
# Return config
#
# @return [Mutant::Config]
#
# @api private
#
attr_reader :config
private
# Initialize object
#
# @param [Config] config
#
# @return [undefined]
#
# @api private
#
def initialize(config)
@config, @errors = config, []
reporter.config(config)
run
end
# Return reporter
#
# @return [Reporter]
#
# @api private
#
def reporter
config.reporter
end
# Run mutation killers on subjects
#
# @return [undefined]
#
# @api private
#
def run
config.matcher.each do |subject|
reporter.subject(subject)
run_subject(subject)
end
end
# Run mutation killers on subject
#
# @param [Subject] subject
#
# @return [undefined]
#
# @api private
#
def run_subject(subject)
subject.each do |mutation|
next unless config.filter.match?(mutation)
reporter.mutation(mutation)
kill(mutation)
end
subject.reset
end
# Run killer on mutation
#
# @param [Mutation] mutation
#
# @return [undefined]
#
# @api private
#
def kill(mutation)
killer = config.killer.new(mutation)
reporter.killer(killer)
if killer.fail?
@errors << killer
end
end
end
end