kotovalexarian/free_mutant
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Merge branch 'master' into restarg-mutator

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Conflicts:
	lib/mutant/mutator/node/generic.rb
This commit is contained in:
Markus Schirp 2013-09-08 11:51:38 +02:00
commit 48d0bfb55e
39 changed files with 193 additions and 50 deletions
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4
config/flay.yml
View file

@ -1,3 +1,3 @@
---
threshold: 16
total_score: 762
threshold: 18
total_score: 752

2
lib/mutant.rb
View file

@ -64,10 +64,12 @@ require 'mutant/mutator/node/arguments'
require 'mutant/mutator/node/begin'
require 'mutant/mutator/node/connective/binary'
require 'mutant/mutator/node/const'
require 'mutant/mutator/node/dstr'
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/noop'
require 'mutant/mutator/node/op_asgn'
require 'mutant/mutator/node/while'
require 'mutant/mutator/node/super'
require 'mutant/mutator/node/zsuper'

3
lib/mutant/constants.rb
View file

@ -15,7 +15,7 @@ module Mutant
# Set of op assign types
OP_ASSIGN = [
:or_asgn, :and_asgn
:or_asgn, :and_asgn, :op_asgn
].to_set.freeze
# Set of node types that are not valid when emitted standalone
@ -64,6 +64,7 @@ module Mutant
OPERATOR_METHODS =
OPERATOR_EXPANSIONS.keys + INDEX_OPERATORS + UNARY_METHOD_OPERATORS
# Hopefully all types parser does generate
NODE_TYPES = [
:lvasgn, :ivasgn, :cvasgn, :gvasgn,

6
lib/mutant/matcher/filter.rb
View file

@ -10,7 +10,7 @@ module Mutant
# if block given
#
# @return [Enumerator<Subject>]
# oherwise
# otherwise
#
# @api private
#
@ -19,12 +19,12 @@ module Mutant
matcher.each do |subject|
next if filter.match?(subject)
yield matcher
yield subject
end
self
end
end # Filter
end
end # Matcher
end # Mutant

12
lib/mutant/mutator/node.rb
View file

@ -181,7 +181,7 @@ module Mutant
# @api private
#
def emit_nil
emit(N_NIL)
emit(N_NIL) unless agsn_left?
end
# Return new self typed child
@ -222,6 +222,16 @@ module Mutant
parent && parent.node.type
end
# Test if the node is the left of an or_asgn or op_asgn
#
# @return [Boolean]
#
# @api private
#
def agsn_left?
OP_ASSIGN.include?(parent_type) && parent.left.equal?(node)
end
end # Node
end # Mutator
end # Mutant

1
lib/mutant/mutator/node/block.rb
View file

@ -26,6 +26,7 @@ module Mutant
end
emit_body(nil)
emit_body(RAISE)
emit_nil
end
end # Block

1
lib/mutant/mutator/node/case.rb
View file

@ -23,6 +23,7 @@ module Mutant
emit_condition_mutations
emit_when_mutations
emit_else_mutations
emit_nil
end
# Emit when mutations

28
lib/mutant/mutator/node/dstr.rb Normal file
View file

@ -0,0 +1,28 @@
# encoding: utf-8
module Mutant
class Mutator
class Node
# Dstr mutator
class Dstr < Generic
handle(:dstr)
private
# Emit mutations
#
# @return [undefined]
#
# @api private
#
def dispatch
super
emit_nil
end
end # Dstr
end # Node
end # Mutator
end # Mutant

6
lib/mutant/mutator/node/generic.rb
View file

@ -11,12 +11,12 @@ module Mutant
# your contribution is that close!
handle(
:next, :break, :ensure,
:dstr, :dsym, :yield, :rescue, :redo, :defined?,
:blockarg, :op_asgn, :and_asgn,
:dsym, :yield, :rescue, :redo, :defined?,
:blockarg,
:regopt, :resbody, :retry, :arg_expr,
:kwrestarg, :kwoptarg, :kwarg, :undef, :module, :empty,
:alias, :for, :xstr, :back_ref, :class,
:sclass, :match_with_lvasgn, :match_current_line, :or_asgn, :kwbegin
:sclass, :match_with_lvasgn, :match_current_line, :kwbegin
)
private

1
lib/mutant/mutator/node/if.rb
View file

@ -22,6 +22,7 @@ module Mutant
mutate_condition
mutate_if_branch
mutate_else_branch
emit_nil
end
# Emit conditon mutations

17
lib/mutant/mutator/node/literal.rb
View file

@ -6,23 +6,6 @@ module Mutant
# Abstract mutator for literal AST nodes
class Literal < self
include AbstractType
private
# Emit a new node with wrapping class for each entry in values
#
# @param [Array] values
#
# @return [undefined]
#
# @api private
#
def emit_values(values)
values.each do |value|
emit_self(value)
end
end
end # Literal
end # Node
end # Mutator

2
lib/mutant/mutator/node/masgn.rb
View file

@ -20,7 +20,7 @@ module Mutant
# @api private
#
def dispatch
# noop, for now
emit_nil
end
end # MultipleAssignment

1
lib/mutant/mutator/node/named_value/variable_assignment.rb
View file

@ -30,6 +30,7 @@ module Mutant
def dispatch
mutate_name
emit_value_mutations if value # mlhs!
emit_nil
end
# Emit name mutations

30
lib/mutant/mutator/node/op_asgn.rb Normal file
View file

@ -0,0 +1,30 @@
# encoding: utf-8
module Mutant
class Mutator
class Node
# OpAsgn mutator
class OpAsgn < Generic
handle(:op_asgn, :or_asgn, :and_asgn)
children :left, :right
private
# Emit mutations
#
# @return [undefined]
#
# @api private
#
def dispatch
super
emit_nil
end
end # OpAsgn
end # Node
end # Mutator
end # Mutant

3
lib/mutant/mutator/node/return.rb
View file

@ -22,9 +22,8 @@ module Mutant
if value
emit(value)
emit_value_mutations
else
emit_nil
end
emit_nil
end
end # Return

1
lib/mutant/mutator/node/send.rb
View file

@ -71,6 +71,7 @@ module Mutant
else
non_index_dispatch
end
emit_nil
end
# Perform non index dispatch

1
lib/mutant/mutator/node/super.rb
View file

@ -27,6 +27,7 @@ module Mutant
mutate_child(index)
delete_child(index)
end
emit_nil
end
end # Super

1
lib/mutant/mutator/node/while.rb
View file

@ -23,6 +23,7 @@ module Mutant
emit_condition_mutations
emit_body_mutations
emit_body(nil)
emit_nil
end
end # While

3
spec/unit/mutant/mutator/node/and_asgn/mutation_spec.rb
View file

@ -2,7 +2,7 @@
require 'spec_helper'
describe Mutant::Mutator::Node::Generic, 'and_asgn' do
describe Mutant::Mutator::Node::OpAsgn, 'and_asgn' do
let(:random_fixnum) { 5 }
let(:random_string) { 'random' }
@ -16,6 +16,7 @@ describe Mutant::Mutator::Node::Generic, 'and_asgn' do
mutations << 'a &&= -1'
mutations << 'a &&= 2'
mutations << 'a &&= 5'
mutations << 'nil'
end
before do

5
spec/unit/mutant/mutator/node/block/mutation_spec.rb
View file

@ -12,7 +12,10 @@ describe Mutant::Mutator, 'block' do
mutations << 'foo { b }'
mutations << 'foo {}'
mutations << 'foo { raise }'
mutations << 'foo { a; nil }'
mutations << 'foo { nil; b }'
mutations << 'foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -35,6 +38,7 @@ describe Mutant::Mutator, 'block' do
mutations << 'foo { |a| }'
mutations << 'foo { |b| }'
mutations << 'foo { || }'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -61,6 +65,7 @@ describe Mutant::Mutator, 'block' do
mutations << 'foo { |(a, srandom), c| }'
mutations << 'foo { |(a, b), srandom| }'
mutations << 'foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'

1
spec/unit/mutant/mutator/node/block_pass/mutation_spec.rb
View file

@ -8,6 +8,7 @@ describe Mutant::Mutator::Node::NamedValue::Access, 'block_pass' do
let(:mutations) do
mutants = []
mutants << 'foo'
mutants << 'nil'
end
it_should_behave_like 'a mutator'

4
spec/unit/mutant/mutator/node/case/mutation_spec.rb
View file

@ -217,6 +217,8 @@ describe Mutant::Mutator::Node::Case do
:else
end
RUBY
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -314,6 +316,8 @@ describe Mutant::Mutator::Node::Case do
:else
end
RUBY
mutations << 'nil'
end
it_should_behave_like 'a mutator'

8
spec/unit/mutant/mutator/node/defined_predicate/mutation_spec.rb
View file

@ -3,8 +3,12 @@
require 'spec_helper'
describe Mutant::Mutator::Node::Generic, 'defined?' do
let(:source) { 'defined?(foo)' }
let(:mutations) { [] }
let(:source) { 'defined?(foo)' }
let(:mutations) do
mutations = []
mutations << 'defined?(nil)'
end
it_should_behave_like 'a mutator'
end

4
spec/unit/mutant/mutator/node/dstr/mutation_spec.rb
View file

@ -2,7 +2,7 @@
require 'spec_helper'
describe Mutant::Mutator::Node::Generic, 'dstr' do
describe Mutant::Mutator::Node::Dstr, 'dstr' do
before do
Mutant::Random.stub(:hex_string => 'random')
end
@ -15,6 +15,8 @@ describe Mutant::Mutator::Node::Generic, 'dstr' do
mutations << '"#{nil}#{bar}baz"'
mutations << '"foo#{bar}random"'
mutations << '"foo#{bar}#{nil}"'
mutations << '"foo#{nil}baz"'
mutations << 'nil'
end
it_should_behave_like 'a mutator'

1
spec/unit/mutant/mutator/node/dsym/mutation_spec.rb
View file

@ -15,6 +15,7 @@ describe Mutant::Mutator::Node::Generic, 'dsum' do
mutations << ':"#{nil}#{bar}baz"'
mutations << ':"foo#{bar}random"'
mutations << ':"foo#{bar}#{nil}"'
mutations << ':"foo#{nil}baz"'
end
it_should_behave_like 'a mutator'

5
spec/unit/mutant/mutator/node/if/mutation_spec.rb
View file

@ -36,6 +36,8 @@ describe Mutant::Mutator, 'if' do
# mutations of else body
mutants << 'if :condition; true; else true; end'
mutants << 'if :condition; true; else nil; end'
mutants << 'nil'
end
it_should_behave_like 'a mutator'
@ -51,6 +53,8 @@ describe Mutant::Mutator, 'if' do
mutants << 'if condition; nil; end'
mutants << 'if true; true; end'
mutants << 'if false; true; end'
mutants << 'if nil; true; end'
mutants << 'nil'
end
it_should_behave_like 'a mutator'
@ -69,6 +73,7 @@ describe Mutant::Mutator, 'if' do
mutants << 'unless true; true; end'
mutants << 'unless false; true; end'
mutants << 'if :condition; true; end'
mutants << 'nil'
end
it_should_behave_like 'a mutator'

6
spec/unit/mutant/mutator/node/literal/regex_spec.rb
View file

@ -9,9 +9,9 @@ describe Mutant::Mutator::Node::Literal, 'regex' do
let(:mutations) do
mutations = []
mutations << 'nil'
mutations << '//' # match all
mutations << '/a\A/' # match nothing
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -22,10 +22,12 @@ describe Mutant::Mutator::Node::Literal, 'regex' do
let(:mutations) do
mutations = []
mutations << 'nil'
mutations << '//' # match all
mutations << '/#{foo}n/' # match all
mutations << '/a\A/' # match nothing
mutations << '/#{nil.bar}n/'
mutations << '/#{nil}n/'
mutations << 'nil'
end
it_should_behave_like 'a mutator'

8
spec/unit/mutant/mutator/node/masgn/mutation_spec.rb
View file

@ -3,8 +3,12 @@
require 'spec_helper'
describe Mutant::Mutator, 'masgn' do
let(:source) { 'a, b = c, d' }
let(:mutations) { [] }
let(:source) { 'a, b = c, d' }
let(:mutations) do
mutations = []
mutations << 'nil'
end
it_should_behave_like 'a mutator'
end

1
spec/unit/mutant/mutator/node/match_current_line/mutation_spec.rb
View file

@ -14,6 +14,7 @@ describe Mutant::Mutator::Node::Generic, 'match_current_line' do
mutations << 'true if nil'
mutations << 'true if !//'
mutations << 'true if /a\A/'
mutations << 'nil'
end
it_should_behave_like 'a mutator'

4
spec/unit/mutant/mutator/node/named_value/access/mutation_spec.rb
View file

@ -17,6 +17,7 @@ describe Mutant::Mutator::Node::NamedValue::Access, 'mutations' do
mutants << '$a'
mutants << '$a = ::Object.new; $a'
mutants << '$srandom = nil; $a'
mutants << 'nil; $a'
end
it_should_behave_like 'a mutator'
@ -32,6 +33,7 @@ describe Mutant::Mutator::Node::NamedValue::Access, 'mutations' do
mutants << '@@a'
mutants << '@@a = ::Object.new; @@a'
mutants << '@@srandom = nil; @@a'
mutants << 'nil; @@a'
end
end
@ -45,6 +47,7 @@ describe Mutant::Mutator::Node::NamedValue::Access, 'mutations' do
mutants << '@a'
mutants << '@a = ::Object.new; @a'
mutants << '@srandom = nil; @a'
mutants << 'nil; @a'
end
it_should_behave_like 'a mutator'
@ -60,6 +63,7 @@ describe Mutant::Mutator::Node::NamedValue::Access, 'mutations' do
mutants << 'a'
mutants << 'a = ::Object.new; a'
mutants << 'srandom = nil; a'
mutants << 'nil; a'
end
it_should_behave_like 'a mutator'

1
spec/unit/mutant/mutator/node/named_value/constant_assignment/mutation_spec.rb
View file

@ -11,7 +11,6 @@ describe Mutant::Mutator::Node::NamedValue::VariableAssignment, 'mutations' do
let(:mutations) do
mutations = []
mutations << 'SRANDOM = true'
mutations << 'A = false'
mutations << 'A = nil'

8
spec/unit/mutant/mutator/node/named_value/variable_assignment/mutation_spec.rb
View file

@ -12,10 +12,10 @@ describe Mutant::Mutator::Node::NamedValue::VariableAssignment, 'mutations' do
let(:mutations) do
mutations = []
mutations << '$srandom = true'
mutations << '$a = false'
mutations << '$a = nil'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -26,10 +26,10 @@ describe Mutant::Mutator::Node::NamedValue::VariableAssignment, 'mutations' do
let(:mutations) do
mutations = []
mutations << '@@srandom = true'
mutations << '@@a = false'
mutations << '@@a = nil'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -40,10 +40,10 @@ describe Mutant::Mutator::Node::NamedValue::VariableAssignment, 'mutations' do
let(:mutations) do
mutations = []
mutations << '@srandom = true'
mutations << '@a = false'
mutations << '@a = nil'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -54,10 +54,10 @@ describe Mutant::Mutator::Node::NamedValue::VariableAssignment, 'mutations' do
let(:mutations) do
mutations = []
mutations << 'srandom = true'
mutations << 'a = false'
mutations << 'a = nil'
mutations << 'nil'
end
it_should_behave_like 'a mutator'

3
spec/unit/mutant/mutator/node/op_assgn/mutation_spec.rb
View file

@ -5,7 +5,7 @@ require 'spec_helper'
describe Mutant::Mutator::Node::Generic, 'op_asgn' do
let(:random_fixnum) { 5 }
let(:source) { '@a.b += 1' }
let(:source) { '@a.b += 1' }
let(:mutations) do
mutations = []
@ -16,6 +16,7 @@ describe Mutant::Mutator::Node::Generic, 'op_asgn' do
mutations << '@a += 1'
mutations << '@a.b += 5'
mutations << 'nil.b += 1'
mutations << 'nil'
end
before do

3
spec/unit/mutant/mutator/node/or_asgn/mutation_spec.rb
View file

@ -2,7 +2,7 @@
require 'spec_helper'
describe Mutant::Mutator::Node::Generic, 'or_asgn' do
describe Mutant::Mutator::Node::OpAsgn, 'or_asgn' do
let(:random_fixnum) { 5 }
let(:random_string) { 'random' }
@ -16,6 +16,7 @@ describe Mutant::Mutator::Node::Generic, 'or_asgn' do
mutations << 'a ||= -1'
mutations << 'a ||= 2'
mutations << 'a ||= 5'
mutations << 'nil'
end
before do

2
spec/unit/mutant/mutator/node/restarg/mutation_spec.rb
View file

@ -10,6 +10,8 @@ describe Mutant::Mutator::Node::Restarg, 'restarg' do
mutants << 'foo'
mutants << 'foo(nil)'
mutants << 'foo(bar)'
mutants << 'foo(*nil)'
mutants << 'nil'
end
it_should_behave_like 'a mutator'

10
spec/unit/mutant/mutator/node/return/mutation_spec.rb
View file

@ -7,18 +7,22 @@ describe Mutant::Mutator, 'return' do
context 'return without value' do
let(:source) { 'return' }
let(:mutations) { ['nil'] }
let(:mutations) do
mutations = []
mutations << 'nil'
end
it_should_behave_like 'a mutator'
end
context 'return with value' do
let(:source) { 'return nil' }
let(:source) { 'return foo' }
let(:mutations) do
mutations = []
mutations << 'foo'
mutations << 'return nil'
mutations << 'nil'
mutations << 'return ::Object.new'
end
it_should_behave_like 'a mutator'

39
spec/unit/mutant/mutator/node/send/mutation_spec.rb
View file

@ -15,6 +15,10 @@ describe Mutant::Mutator, 'send' do
mutations << 'foo.gsub(b)'
mutations << 'foo.gsub'
mutations << 'foo.sub(a, b)'
mutations << 'foo.gsub(a, nil)'
mutations << 'foo.gsub(nil, b)'
mutations << 'nil.gsub(a, b)'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -29,6 +33,9 @@ describe Mutant::Mutator, 'send' do
mutations << 'foo.public_send(bar)'
mutations << 'bar'
mutations << 'foo'
mutations << 'foo.send(nil)'
mutations << 'nil.send(bar)'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -40,7 +47,9 @@ describe Mutant::Mutator, 'send' do
let(:mutations) do
mutations = []
mutations << 'foo ||= expression'
mutations << 'self.foo ||= nil'
mutations << 'nil.foo ||= expression'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -52,6 +61,7 @@ describe Mutant::Mutator, 'send' do
let(:mutations) do
mutations = []
mutations << 'foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -65,6 +75,8 @@ describe Mutant::Mutator, 'send' do
mutations << 'foo'
mutations << 'foo(nil)'
mutations << 'foo(bar)'
mutations << 'foo(*nil)'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -76,6 +88,7 @@ describe Mutant::Mutator, 'send' do
let(:mutations) do
mutations = []
mutations << 'foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -87,6 +100,7 @@ describe Mutant::Mutator, 'send' do
let(:mutations) do
mutations = []
mutations << 'foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -96,7 +110,12 @@ describe Mutant::Mutator, 'send' do
context 'implicit' do
let(:source) { 'foo' }
it_should_behave_like 'a noop mutator'
let(:mutations) do
mutations = []
mutations << 'nil'
end
it_should_behave_like 'a mutator'
end
context 'explict receiver' do
@ -107,6 +126,7 @@ describe Mutant::Mutator, 'send' do
mutations << 'foo'
mutations << 'self'
mutations << 'nil.foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -132,6 +152,8 @@ describe Mutant::Mutator, 'send' do
let(:mutations) do
mutations = []
mutations << 'foo'
mutations << 'nil.bar'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -145,6 +167,8 @@ describe Mutant::Mutator, 'send' do
mutations << 'self.class'
mutations << 'self.foo'
mutations << 'nil.class.foo'
mutations << 'nil.foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -191,8 +215,9 @@ describe Mutant::Mutator, 'send' do
mutations = []
mutations << "foo.#{keyword}"
mutations << 'foo'
mutations << 'nil'
mutations << "foo.#{keyword}(::Object.new)"
mutations << "nil.#{keyword}(nil)"
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -209,6 +234,7 @@ describe Mutant::Mutator, 'send' do
mutations << 'foo(nil)'
mutations << 'foo(::Object.new, nil)'
mutations << 'foo(nil, ::Object.new)'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -224,6 +250,11 @@ describe Mutant::Mutator, 'send' do
mutations << '(left - right)'
mutations << 'left / foo'
mutations << 'right / foo'
mutations << '(left - right) / nil'
mutations << '(left - nil) / foo'
mutations << '(nil - right) / foo'
mutations << 'nil / foo'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -241,6 +272,7 @@ describe Mutant::Mutator, 'send' do
mutations << "true #{operator} nil"
mutations << 'true'
mutations << 'false'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -252,6 +284,9 @@ describe Mutant::Mutator, 'send' do
mutations = []
mutations << 'left'
mutations << 'right'
mutations << "left #{operator} nil"
mutations << "nil #{operator} right"
mutations << 'nil'
end
it_should_behave_like 'a mutator'

4
spec/unit/mutant/mutator/node/super/mutation_spec.rb
View file

@ -21,6 +21,7 @@ describe Mutant::Mutator, 'super' do
let(:mutations) do
mutations = []
mutations << 'super'
mutations << 'nil'
end
it_should_behave_like 'a mutator'
@ -35,6 +36,9 @@ describe Mutant::Mutator, 'super' do
mutations << 'super()'
mutations << 'super(foo)'
mutations << 'super(bar)'
mutations << 'super(foo, nil)'
mutations << 'super(nil, bar)'
mutations << 'nil'
end
it_should_behave_like 'a mutator'

3
spec/unit/mutant/mutator/node/while/mutation_spec.rb
View file

@ -14,6 +14,9 @@ describe Mutant::Mutator::Node::While do
mutations << 'while true; end'
mutations << 'while false; foo; bar; end'
mutations << 'while nil; foo; bar; end'
mutations << 'while true; foo; nil; end'
mutations << 'while true; nil; bar; end'
mutations << 'nil'
end
it_should_behave_like 'a mutator'