free_mutant/lib/mutant.rb
2014-06-06 13:06:52 +00:00

237 lines
6.5 KiB
Ruby

# encoding: utf-8
require 'stringio'
require 'set'
require 'adamantium'
require 'ice_nine'
require 'abstract_type'
require 'equalizer'
require 'digest/sha1'
require 'inflecto'
require 'parser'
require 'parser/current'
require 'parser_extensions'
require 'unparser'
require 'ice_nine'
require 'diff/lcs'
require 'diff/lcs/hunk'
require 'anima'
require 'concord'
require 'morpher'
# Library namespace
module Mutant
# The frozen empty string used within mutant
EMPTY_STRING = ''.freeze
# The frozen empty array used within mutant
EMPTY_ARRAY = [].freeze
# Lookup constant for location
#
# @param [String] location
#
# @return [Object]
#
# @api private
#
def self.constant_lookup(location)
location.sub(CBASE_PATTERN, EMPTY_STRING).split(SCOPE_OPERATOR).reduce(Object) do |parent, name|
parent.const_get(name, nil)
end
end
# Perform self zombification
#
# @return [self]
#
# @api private
#
def self.zombify
Zombifier.run('mutant', :Zombie)
self
end
IsolationError = Class.new(RuntimeError)
# Call block in isolation
#
# This isolation implements the fork strategy.
# Future strategies will probably use a process pool that can
# handle multiple mutation kills, in-isolation at once.
#
# @return [Object]
#
# @api private
#
def self.isolate(&block)
reader, writer = IO.pipe.each(&:binmode)
pid = fork do
reader.close
writer.write(Marshal.dump(block.call))
end
writer.close
begin
data = Marshal.load(reader.read)
rescue ArgumentError
raise IsolationError, 'Childprocess wrote un-unmarshallable data'
end
status = Process.waitpid2(pid).last
unless status.exitstatus.zero?
raise IsolationError, "Childprocess exited with nonzero exit status: #{status.exitstatus}"
end
data
end
# Define instance of subclassed superclass as constant
#
# @param [Class] superclass
# @param [Symbol] name
#
# @return [self]
#
# @api private
#
def self.singleton_subclass_instance(name, superclass, &block)
klass = Class.new(superclass) do
def inspect
self.class.name
end
define_singleton_method(:name) do
"#{superclass.name}::#{name}".freeze
end
end
klass.class_eval(&block)
superclass.const_set(name, klass.new)
self
end
end # Mutant
require 'mutant/version'
require 'mutant/cache'
require 'mutant/delegator'
require 'mutant/node_helpers'
require 'mutant/warning_filter'
require 'mutant/warning_expectation'
require 'mutant/constants'
require 'mutant/walker'
require 'mutant/require_highjack'
require 'mutant/mutator'
require 'mutant/mutation'
require 'mutant/mutation/evil'
require 'mutant/mutation/neutral'
require 'mutant/mutator/registry'
require 'mutant/mutator/util'
require 'mutant/mutator/util/array'
require 'mutant/mutator/util/symbol'
require 'mutant/mutator/node'
require 'mutant/mutator/node/generic'
require 'mutant/mutator/node/literal'
require 'mutant/mutator/node/literal/boolean'
require 'mutant/mutator/node/literal/range'
require 'mutant/mutator/node/literal/symbol'
require 'mutant/mutator/node/literal/string'
require 'mutant/mutator/node/literal/fixnum'
require 'mutant/mutator/node/literal/float'
require 'mutant/mutator/node/literal/array'
require 'mutant/mutator/node/literal/hash'
require 'mutant/mutator/node/literal/regex'
require 'mutant/mutator/node/literal/nil'
require 'mutant/mutator/node/argument'
require 'mutant/mutator/node/arguments'
require 'mutant/mutator/node/blockarg'
require 'mutant/mutator/node/begin'
require 'mutant/mutator/node/binary'
require 'mutant/mutator/node/const'
require 'mutant/mutator/node/dstr'
require 'mutant/mutator/node/dsym'
require 'mutant/mutator/node/kwbegin'
require 'mutant/mutator/node/named_value/access'
require 'mutant/mutator/node/named_value/constant_assignment'
require 'mutant/mutator/node/named_value/variable_assignment'
require 'mutant/mutator/node/next'
require 'mutant/mutator/node/break'
require 'mutant/mutator/node/noop'
require 'mutant/mutator/node/or_asgn'
require 'mutant/mutator/node/and_asgn'
require 'mutant/mutator/node/defined'
require 'mutant/mutator/node/op_asgn'
require 'mutant/mutator/node/conditional_loop'
require 'mutant/mutator/node/yield'
require 'mutant/mutator/node/super'
require 'mutant/mutator/node/zsuper'
require 'mutant/mutator/node/restarg'
require 'mutant/mutator/node/send'
require 'mutant/mutator/node/send/binary'
require 'mutant/mutator/node/send/attribute_assignment'
require 'mutant/mutator/node/send/index'
require 'mutant/mutator/node/when'
require 'mutant/mutator/node/define'
require 'mutant/mutator/node/mlhs'
require 'mutant/mutator/node/nthref'
require 'mutant/mutator/node/masgn'
require 'mutant/mutator/node/return'
require 'mutant/mutator/node/block'
require 'mutant/mutator/node/if'
require 'mutant/mutator/node/case'
require 'mutant/mutator/node/splat'
require 'mutant/mutator/node/resbody'
require 'mutant/mutator/node/rescue'
require 'mutant/mutator/node/match_current_line'
require 'mutant/config'
require 'mutant/loader'
require 'mutant/context'
require 'mutant/context/scope'
require 'mutant/subject'
require 'mutant/subject/method'
require 'mutant/subject/method/instance'
require 'mutant/subject/method/singleton'
require 'mutant/matcher'
require 'mutant/matcher/chain'
require 'mutant/matcher/method'
require 'mutant/matcher/method/finder'
require 'mutant/matcher/method/singleton'
require 'mutant/matcher/method/instance'
require 'mutant/matcher/methods'
require 'mutant/matcher/namespace'
require 'mutant/matcher/scope'
require 'mutant/matcher/filter'
require 'mutant/matcher/null'
require 'mutant/expression'
require 'mutant/expression/method'
require 'mutant/expression/namespace'
require 'mutant/killer'
require 'mutant/test'
require 'mutant/strategy'
require 'mutant/runner'
require 'mutant/runner/config'
require 'mutant/runner/subject'
require 'mutant/runner/mutation'
require 'mutant/runner/killer'
require 'mutant/cli'
require 'mutant/color'
require 'mutant/diff'
require 'mutant/reporter'
require 'mutant/reporter/null'
require 'mutant/reporter/trace'
require 'mutant/reporter/cli'
require 'mutant/reporter/cli/registry'
require 'mutant/reporter/cli/printer'
require 'mutant/reporter/cli/report'
require 'mutant/reporter/cli/report/config'
require 'mutant/reporter/cli/report/subject'
require 'mutant/reporter/cli/report/mutation'
require 'mutant/reporter/cli/progress'
require 'mutant/reporter/cli/progress/config'
require 'mutant/reporter/cli/progress/subject'
require 'mutant/reporter/cli/progress/mutation'
require 'mutant/reporter/cli/progress/noop'
require 'mutant/zombifier'
require 'mutant/zombifier/file'