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free_mutant/Changelog.md

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v0.8.22 2018-12-04

  • Remove hard ruby version requirement. 2.5 is still the only officially supported version.

v0.8.21 2018-12-03

  • Change to modern ast format via unparser-0.4.1.

v0.8.20 2018-11-27

  • Replace internal timers with monotonic ones.

v0.8.19 2018-11-06

  • Drop support for Ruby < 2.5
  • Fix bug when mutating a module that includes Memoizable

v0.8.18 2018-10-24

v0.8.17 2018-09-12

  • Drop support for Ruby < 2.3
  • Use frozen string literals globally
  • Update to parser ~> 2.5

v0.8.16 2018-08-03

  • Support for rspec-3.x

v0.8.15 2018-07-17

  • Fix boot time issue
  • Support for rspec-3.7

v0.8.14 2017-07-06

  • Support ruby 2.4 #719

v0.8.13 2017-06-01

  • Allow empty match expressions on CLI
  • Add support for rspec-3.6 by @krzysiek150
  • Add support for configurable corpus glob exprssions by @jekuta

v0.8.12 2016-10-17

  • Add mutation from /foo|bar/ to /foo/ and /bar/
  • Add mutation from /$/ to /\z/
  • Add mutation from /\h/ to /\H/
  • Add mutation from /\H/ to /\h/
  • Add mutation from /\Z/ to /\z/
  • Add mutation from flat_map to map
  • Add mutation from /(foo)/ to /(?:foo)/
  • Add mutation from /a*/ to /a+/
  • Add mutation from /a*/ to /a/
  • Add mutation from !!foo to foo
  • Add mutation from proc { } to lambda { }

v0.8.11 2016-08-01

  • Add support for rspec-3.5
  • Remove misleading --debug option
  • Remove misleading --expect-coverage option
  • Add basic support for regexp mutations (machinery and simple anchor mutations)
  • Add support for mutating csend (duck tape operator) into regular sends
  • Add mutation from foo&.bar to foo.bar
  • Add mutation from #to_a to #to_set
  • Add mutation from foo.dig(a, b) to foo.fetch(a).dig(b)
  • Add mutation from def foo(bar:); end to def foo(_bar:); end
  • Add mutation from def foo(bar: baz); end to def foo(_bar: baz); end
  • Add mutation from /regex/i to /regex/
  • Add mutation from foo[n..-1] to foo.drop(n)
  • Add mutation from /^/ to /\A/
  • Add mutation from #first to #last
  • Add mutation from #last to #first
  • Add mutation from #sample to #first and #last
  • Remove mutations from 1..n to 1..(0.0 / 0.0) and 1..(1.0 / 0.0)

v0.8.10 2016-01-24

  • Add support for parser 2.3 (via unparser 0.2.5)

v0.8.9 2016-01-05

  • Add mutation from Hash#[] to Hash#key? (#511)
  • Add mutation from Hash#fetch to Hash#key? (#511)
  • Add mutation from #at to #key? (#511)
  • Add mutation from Hash#values_at to Hash#fetch_values (#510)

v0.8.8 2015-11-15

  • Drop support for rspec-3.2
  • Remove CI specific job number default
  • Add support for rspec-3.3.4
  • Add mutations/s performance metric to report

v0.8.7 2015-10-30

  • Fix blackliting regexp to correctly match the String (eval) absolutely.

v0.8.6. 2015-10-27

  • Add mutation from Date.parse to more strict parsing methods #448
  • Add mutation from foo.to_i to Integer(foo) #455
  • Add mutation from @foo to foo #454

v0.8.5 2015-09-11

  • Fix misimplementation of block gluing operator that as side effect could also cause invalid AST crashes

v0.8.4 2015-09-10

  • Add mutation from a != b to !a.eql?(b) and !a.equal?(b) #417
  • Add mutation A.const_get(:B) -> A::B #426
  • Add mutation def foo(*args); end into def foo(*args); args = []; end #423
  • Add mutation from foo.baz { bar } to foo.bar #416
  • Update anima dependency to 0.3.0

v0.8.3 2015-09-01

  • Remove invalid mutation super(...) to super
  • Add mutation from def foo(a = true); end to def foo(a = true); a = true; end #419
  • Add mutation from def foo; end to remove_method :foo #413

v0.8.2 2015-08-11

  • Remove invalid mutation foo or bar to !(foo or bar) see #287
  • Add mutation from #to_h to #to_hash #218
  • Add mutation from super to super() #309
  • Add mutation from #defined? to true / false #399
  • Reduce framed (multiline) progress reporter noise
  • Fix a bug where killfork pipes where not properly closed

v0.8.1 2015-07-24

  • Add --since flag to constrain mutated subjects based on repository diff from HEAD to other REVISON.
  • Add mutation from #[] to #at / #fetch
  • Some internal improvements

v0.8.0 2015-06-15

  • Drop support for ruby < 2.1
  • Remove broken --code option
  • Remove deprecated --score option
  • Add support for rspec-3.3
  • End support for rspec-3.{0,1}
  • Internal quality improvements

v0.7.9 2015-05-30

  • Deprecate --score flag replace with --expected-coverage
  • Set default job count to 4 under CI environments.
  • Relax parser dependency to ~>2.2.2

v0.7.8 2015-03-8

  • Kill imperfect float rounding for exact coverage expectations.

v0.7.7 2015-02-15

  • Add support for rspec-3.2

v0.7.6 2015-01-25

  • Fix crash on using the null integration.

v0.7.5 2015-01-14

  • Bump deps to support MRI 2.2.

v0.7.4 2014-12-22

  • Fix rspec example visibility on duplicate metadata examples #279.
  • Add naked if/else body emitter #280.

v0.7.3 2014-12-09

  • Fix communication between workers and killforks to work for all binaries.

v0.7.2 2014-12-08

  • Fix synthetic race conditon in actor implementation
  • Fix progressive reporter slowdown

v0.7.1 2014-12-04

  • Fix invalid dependencies on rspec for mutant-rspec

v0.7.0 2014-12-04

  • Use homegrown actor based parallelization
  • Fix redundant spec execution in rspec integration
  • Add mutation from #send to #__send__ (the canonical form).

v0.6.7 2014-11-17

  • Fix duplicate neutral emit for memoized instance method subjects
  • Fix neutral error detection edge cases

v0.6.6 2014-11-11

  • Fix emitter to recurse into left and right of binary nodes.

v0.6.5 2014-10-28

  • Fix killforks not to leak zombies.

v0.6.4 2014-10-27

  • Do not buffer report prints, speedup large report generation.
  • Fix some cases where --fail-fast semantics stopped far to late.
  • Fix crashing / stuckage from using parallel in a nested way.

v0.6.3 2014-09-22

  • Add support for rspec-3.1.

v0.6.2 2014-09-16

  • Fix matcher to ignore metaprogrammed defines #254
  • Add rescue resbody body concat-promotion mutation
  • Add rescue else body concat-promotion mutation #245

v0.6.1 2014-09-16

  • Incorrectly released on partial state. Yanked.

v0.6.0 2014-08-11

  • Parallel execution / reporting.
  • Add -j, --jobs flag to control concurrency.
  • Fix blind spots on send with block.
  • Add mutation from foo { bar } to bar
  • Add mutation from #reverse_merge to #merge
  • Add mutation from #<= to #<, #==, #eql?, #equal?
  • Add mutation from #>= to #>, #==, #eql?, #equal?
  • Add mutation from #> to #==, #eql?, #equal?
  • Add mutation from #< to #==, #eql?, #equal?
  • Fix reporting of diff errors to include context [tjchambers]

v0.5.26 2014-07-07

  • Fix exceptions generation matcher errors
  • Fix report generation with formatted string as payload of diffs.

v0.5.25 2014-07-07

  • Make ordering of subjects and tests deterministic
  • Fix performance of subject selection
  • Improve noop and neutral reporting.
  • Rename noop mutations to neutral mutations
  • Simplify code nuked around 1kloc.

v0.5.24 2014-06-30

  • Fix invalid AST on op_assign mutations
  • Make subject matching result order deterministic
  • Improve internals a bit for more consistency.
  • Add instance methods expression 'Foo#'
  • Add singleton methods expression 'Foo.'
  • Split rspec2 and rspec3 integration with minimal duplication
  • Move test matching outside of integrations.

v0.5.23 2014-06-15

  • Propagate exceptions from child-isolation-killforks to master

v0.5.22 2014-06-15

  • Fix invalid AST generation on operator method mutation with self as receiver.

v0.5.21 2014-06-15

  • Readd mutation of index assignments
  • Remove a bunch of useless mutations to nil.something
  • Readd mutation of index reference arguments

v0.5.20 2014-06-14

  • Remove support for matchers prefixed with ::

  • Fix cases where mutated source diff was empty #198

  • Fix mutate to simpler primitive violation break to next #203

  • Improve integration / corpus tests to spot highlevel regressions on CI level.

  • Remove support for matchers prefixed with ::

v0.5.19 2014-06-06

Changes:

  • Do not emit more powerful rescue matchers #183
  • Do not emit more powerful loop control #201

v0.5.18 2014-06-04

Changes:

  • Do not rename lhs of or assigns when lhs is a ivasgn. Closes #150

v0.5.17 2014-05-27

Changes:

  • Report selected tests in progress runner
  • Fix scope of rspec selections to include meaningful parents.
  • Add short circuits on already dead mutations under multiple test selections.

v0.5.16 2014-05-27

Changes:

  • Fix granularity of test selection under rspec
  • Add mutation from [item] to item
  • Add mutation from #reverse_each to #each
  • Add mutation from #reverse_map to #each, #map
  • Add mutation from #map to #each

v0.5.15 2014-05-24

Changes:

  • Put isolation pipe into binmode

Changes:

  • Add support for rspec-3.0.0.rc1
  • Remove some senseless rescue mutations

v0.5.13 2014-05-23

Changes:

  • Improve reporting of isolation problems
  • Centralize test selection
  • Report selected tests
  • Report rspec output on noop failures
  • Silence warnings on methods without source location

v0.5.12 2014-05-09

Changes:

  • Remove pointless mutation nil => Object.new

v0.5.11 2014-04-22

Changes:

  • Fix crash on while and until without body
  • Better require highjack based zombifier
  • Do not mutate nthref $1 to gvar $0
  • Use faster duplicate guarding hashing AST::Node instances
  • Fix lots of shadowed invalid ASTs
  • Fix undefine initialize warnings, Closes #175

v0.5.10 2014-04-06

Changes:

  • Fix crash on case without conditional
  • Remove dependency to descendants tracker
  • Add mutation #== => #eql?, #equal?
  • Add mutation #eql? => #equal?

v0.5.9 2014-03-28

Changes:

  • Fix mutation of memoized methods with the memoizable gem.

v0.5.8 2014-03-26

Changes:

  • Fix crash on Module#name and Class#name returning non Strings

v0.5.7 2014-03-23

Changes:

  • Fix crash on invalid partial AST unparsing, closes: #164

v0.5.6 2014-03-09

Changes:

  • Correctly specifiy diff-lcs dependency

v0.5.5 2014-03-09

Changes:

  • Morpher dependency bump

v0.5.4 2014-03-08

Changes:

  • Morpher dependency bump

v0.5.3 2014-03-05

Changes:

  • mutant-rspec now supports rspec3 beta

v0.5.2 2014-03-04

Changes:

  • Use parser 2.1.6 that has its own Parser::Meta::NODE_LIST

v0.5.1 2014-03-03

Changes:

  • Remove rspec dep from main mutant gem

v0.5.0 2014-03-02

Changes:

  • Add configurable coverage expectation via --coverage (default 100%)
  • rspec integration was moved into a gem 'mutant-rspec'
  • Replace filters implementation with morpher predicates
  • Drop --rspec option use: --use rspec instead.

v0.4.0 2014-02-16

Status: Yanked because of broken dependencies.

v0.3.4 2014-01-11

Changes:

  • Depend on anima-0.2.0

v0.3.4 2014-01-11

Bugfixes:

v0.3.3 2014-01-11

Changes:

  • Bump dependency to unparser-0.1.8 that fixes dozens of non reported issues.

Bugfixes:

v0.3.2 2013-12-31

Bugfixes:

v0.3.1 2013-12-19

Bugfixes:

  • Add missing require of stringio, #141

v0.3.0 2013-12-10

Feature:

  • Rewrite all mutators on top of whitequark/parser (major!)
  • Also mutate conditions in case statements
  • Add tons of mutators I lost track about during development.
  • Add --ignore-subject optoin supporting the same syntax as matchers

Bugfixes:

  • Fix lots of crashes.
  • Fix all known multiple diff errors
  • Handle methods memoized with adamantium correctly

Bugfixes:

  • Fix all bugs caused by mutant-melbourne

v0.2.20 2013-03-01

  • Update dependencies

Compare v0.2.17..v0.2.20

v0.2.17 2013-01-20

  • Kill mutations in #initialize from class methods.

v0.2.17 2013-01-20

Other:

  • Update dependencies

Compare v0.2.16..v0.2.17

v0.2.16 2013-01-20

Bugfix:

  • Handle Rubinius::AST::NthRef as noop

Compare v0.2.15..v0.2.16

v0.2.15 2013-01-10

Bugfix:

  • Do not mutate super to super() anymore. This needs a context check in future.

Compare v0.2.14..v0.2.15

v0.2.14 2013-01-09

Bugfix:

  • Do not emit mutation to { nil => nil } for hash literals

Compare v0.2.13..v0.2.14

v0.2.13 2013-01-09

Bugfix:

  • Capture failures that occur in the window between mutation insertion and spec run as kills

Compare v0.2.12..v0.2.13

v0.2.12 2013-01-03

Bugfix:

  • Do not crash when trying to load methods from precompiled ruby under rbx

Compare v0.2.11..v0.2.12

v0.2.11 2013-01-03

Feature:

  • Handle binary operator methods in dedicated mutator

Bugfix:

  • Do not crash when mutating binary operator method

Compare v0.2.10..v0.2.11

v0.2.10 2013-01-03

Bugfix:

  • Do not mutate receivers away when message name is a keyword

Compare v0.2.9..v0.2.10

v0.2.9 2013-01-02

Feature:

  • Mutate instance and global variable assignments
  • Mutate super calls

Compare v0.2.8..v0.2.9

v0.2.8 2012-12-29

Feature:

  • Do not mutate argument or local variable names beginning with an underscore
  • Mutate unary calls coerce(object) => object
  • Mutate method call receivers foo.bar => foo

Compare v0.2.7..v0.2.8

v0.2.7 2012-12-21

Feature:

  • Use latest adamantium and ice_nine

Compare v0.2.6..v0.2.7

v0.2.6 2012-12-14

Bugfix:

  • Correctly set file and line of injected mutants

Compare v0.2.5..v0.2.6

v0.2.5 2012-12-12

Feature:

  • Add --debug flag for showing killer output and mutation
  • Run noop mutation per subject to guard against initial failing specs
  • Mutate default into required arguments
  • Mutate default literals
  • Mutate unwinding of pattern args |(a, b), c| => |a, b, c|
  • Mutate define and block arguments
  • Mutate block arguments, inklusive pattern args
  • Recurse into block bodies
  • Unvendor inflector use mbj-inflector from rubygems

Bugfix:

  • Insert mutations at correct constant scope
  • Crash on mutating yield, added a noop for now
  • Crash on singleton methods defined on other than constants or self

Compare v0.2.4..v0.2.5

v0.2.4 2012-12-12

Bugfix:

  • Correctly vendor inflector

Compare v0.2.3..v0.2.4

v0.2.3 2012-12-08

Bugfix:

  • Prepend extra elements to hash and array instead of append. This fixes unkillable mutators in parallel assignments!

Compare v0.2.2..v0.2.3

v0.2.2 2012-12-07

Feature:

  • Add a shitload of operator expansions for dm2 strategy

Compare v0.2.1..v0.2.2

v0.2.1 2012-12-07

Bugfix:

  • Crash on unavailable source location
  • Incorrect handling of if and unless statements
  • Expand Foo#initialize to spec/unit/foo in rspec dm2 strategy
  • Correctly expand [] to element_reader_spec.rb in rspec dm2 strategy
  • Correctly expand []= to element_writer_spec.rb in rspec dm2 strategy
  • Correctly expand foo= to foo_writer_spec.rb in rspec dm2 strategy

Compare v0.2.0..v0.2.1

v0.2.0 2012-12-07

First public release!