free_mutant/lib/mutant/mutation.rb
Markus Schirp 459d028de1 Add a working mutation tester for mutant
* Expand attr_reader :name, to def name; @name; end
  As attr_reader defined methods do not have a valid source location.
* Expose more internal state to allow the generation of nice match
  identifications. Needs to be cleaned up.
2012-08-20 17:53:41 +02:00

93 lines
1.4 KiB
Ruby

module Mutant
# Represent a mutated node with its subject
class Mutation
include Immutable
# Return mutation subject
#
# @return [Subject]
#
# @api private
#
def subject; @subject; end
# Return mutated root node
#
# @return [Rubinius::AST::Script]
#
# @api private
#
def root
subject.root(@node)
end
memoize :root
# Insert mutated node
#
# @return [self]
#
# @api private
#
def insert
Loader.run(root)
self
end
# Return identification
#
# @return [String]
#
# @api private
#
def identification
"#{subject.identification}:#{sha1[0..4]}"
end
# Return sha1 sum of source
#
# @return [String]
#
# @api private
#
def sha1
SHA1.hexdigest(source)
end
memoize :sha1
# Return source
#
# @return [String]
#
# @api private
#
def source
ToSource.to_source(@node)
end
memoize :source
# Return original source
#
# @return [String]
#
# @api private
#
def original_source
subject.source
end
private
# Initialize mutation object
#
# @param [Subject] subject
# @param [Rubinius::Node::AST] node
#
# @return [undefined]
#
# @api private
#
def initialize(subject, node)
@subject, @node = subject, node
end
end
end