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Changes  view on Meta::CPAN

0.38	Mon May 18 21:19:40 EDT 2026

	[Bug fixes]
	- Fix missing TER1/TER2/TER3 column in mutation dashboard
	- remove duplicate _lcsaj_coverage_for_file calls
	- move skipped-annotation note inside summary div
	- Fix MUTANT_SKIP_BEGIN/END regex to match only lines where the annotation is the entire content,
	  preventing false positives in comments and POD

0.37	Mon May 18 14:58:48 EDT 2026

	[Enhancements]
	- Add MUTANT_SKIP_BEGIN / MUTANT_SKIP_END source annotations to exclude
	  lines from mutation testing; mismatched markers are fatal. Skipped
	  line counts appear in the per-file mutation report and summary table.

	[Bug fixes]
	- Fix fuzz schema generation looking in xt/conf instead of t/conf.
	- Fix mutate.yml for external repos: add commit step so mutation.json
	  is persisted after each run, enabling the dashboard workflow_run
	  trigger to pick up fresh results.
	- Fix BSD::Resource dependency failing on Windows; guard with OS check.

0.36	Sat May  9 18:54:04 EDT 2026

	[Bug fixes]
	- Fix uninitialized $version warning in CPAN Testers "no failures"
	  message when the CPAN API returns a 404 (no release data available).
	- Fix "Can't open lib/App/Test/Generator.pm" error when test-generator-index
	  is run from a repository other than ATG itself; ATG version is now
	  found by searching @INC with fallback to the configured module_file path.

0.35	Sat May  9 09:40:08 EDT 2026

	[Enhancements]
	- Dashboard footer now shows the App::Test::Generator version used
	  to generate it, linking to the MetaCPAN distribution page.
	- Executive Summary wording now varies by mutation score: positive
	  framing for high scores, an actionable hint for low scores, and a
	  clear message when no mutation data is available yet.  Thresholds
	  use med_threshold and low_threshold from %config rather than
	  magic numbers.
	- Coverage dashboard per-file HTML links now work correctly; Devel::Cover
	  instrumentation restored to use cover -test for accurate per-file
	  HTML generation.
	- Dashboard file links now correctly target blib-lib-* filenames as
	  generated by Devel::Cover, fixing persistent 404 errors on all
	  per-file coverage pages.
	- generate-test-dashboard now derives the Devel::Cover -select pattern
	  dynamically from GITHUB_REPOSITORY, making the script portable across
	  CPAN distributions without hardcoded module paths.
	- Fuzz schema generation now correctly looks in t/conf rather than
	  xt/conf for existing schemas to augment.
	- Redundant exclusion of mutant_*.t from prove invocation removed;
	  mutant stubs are in xt/ and were never matched by the t/ find anyway.

	[Bug fixes]
	- Fix https://www.cpantesters.org/cpan/report/04c7279a-476f-11f1-bf55-cb595875c975
	  Make t/type_params.t an extended test

0.34	Sun May  3 10:30:24 EDT 2026

    [Bug fixes]
    - Emitter::Perl: _emit_void_test() generated ok(!defined $result || 1, ...)
      which is a tautology and always passes regardless of return value.
      Fixed to ok(!defined $result, '$method returns nothing (void)').
    - Generator: schema files named after Perl builtins (e.g. abs.yml) caused
      generated tests to emit "use abs" which fails to compile.  Added
      _is_perl_builtin() guard to prevent builtin names being used as module
      names in use_ok() calls.
    - bin/test-generator-index: mutant stub generator incorrectly called
      new_ok() for class methods such as App::Test::Generator::generate().
      Added _is_class_method() helper to detect $class vs $self and emit
      the correct calling convention in generated stubs.
    - bin/test-generator-index: CPAN Testers failure table showed all
      expected NA rows for Perl < 5.036 as noise.  Rows below the detected
      Perl version cliff are now omitted with a count notice, leaving only
      unexpected failures visible.
    - CoverageGuidedFuzzer: _load_json_module() used require $mod where $mod
      contained '::' which Perl does not convert to path separators for
      variable require.  Fixed with s{::}{/}g conversion before require.

    [Enhancements]
    - Comprehensive test suite added across all modules:
      - Function tests (white-box) for all private helpers
      - Black-box unit tests for every public method against POD API spec
      - Integration tests covering 10 end-to-end pipelines
      - Edge case / destructive / boundary-condition tests
      - Extended tests targeting surviving mutants and coverage gaps
    - mutate.yml and dashboard.yml are now portable to any CPAN module.
      Copying both files to another module's .github/workflows/ directory
      will produce a working mutation test run and coverage dashboard
      without modification.  ATG-specific behaviour is gated on
      github.repository = nigelhorne/App-Test-Generator.
    - dashboard.yml: added missing local/bin PATH setup so installed
      ATG scripts are found correctly on non-ATG modules.
    - mutate.yml: Sample/Module.pm excluded from mutation scoring to
      remove 30 artificial survivors from the overall score.
    - Emitter::Perl mutation score improved from 37.5% to 100% through
      targeted direct assertions on all _emit_*() helper return values.
    - t/test-generator-index.t: 33 new tests for detect_perl_version_cliff(),
      parse_version(), extract_perl_versions(), make_key(),
      confidence_score(), and perldelta_url().

0.33	Tue Apr 21 16:09:24 EDT 2026

    - Fixed NumericBoundary mutator incorrectly identifying the '<' in
      open() mode strings and readline operators (<$fh>) as numeric
      comparison operators, producing invalid mutants that caused
      compilation errors in the mutated code. Two guards added to
      mutate(): skip any operator whose next sibling is a PPI symbol
      token (catching <$fh>), and skip operators not parented by a
      PPI::Statement, PPI::Structure::Condition, or
      PPI::Structure::Block (catching quoted mode strings in open()
      argument lists). The same readline guard is also applied inside
      the transform closure to prevent mutation at apply time if PPI
      tokenisation differs between the analysis and mutation documents.
    - Rationalised program names so that they can be used in other modules
      without the need to have copies
    - Added detect_prereq_version_cliffs() to cross-reference declared
      prerequisites from the MetaCPAN API against installed module

Changes  view on Meta::CPAN

	Added mutation levels.
		Setting to fast will reduce the number of mutants by deduping and removing unnecessary mutants.
		See App::Test::Generator::Mutator::_is_redundant_level for a list of those optimised out
	Added basic LSCAJ data to the test dashboard.
	Added simple security string testing.
	Don't push too hard on builtins as they don't have good parameter validation.
	Ensure adding only the byte order marker honours $min
	More use of _DESCRIPTION

0.29	Thu Feb 26 12:57:59 EST 2026
	Added mutation testing
	Added guided testing to extract-schemas
	Some routines were incorrectly labelled as getter routines
	Added more edge cases
	Added fallback to extract parameters from classic Perl body styles
	Added Type::Param support (https://github.com/nigelhorne/App-Test-Generator/issues/4)
	Getter routines take no arguments
	Fixed string testing when both min and max are given
	Don't give $class or $self as parameters
	No input/output no longer croaks, because there are now a few tests that can be run
	Add a basic hashref to mandatory args
	Use UUID::Tiny and Readonly::Values::Boolean

0.28	Mon Feb  9 19:54:59 EST 2026
	Latest test dashboard
	Some getter/setter routines were missed
	Test getset routines
	Added 'isa' test.  Tests code dies when passed the wrong type of object

0.27	Thu Jan 29 07:54:01 EST 2026
	Fewer false positives for "optional"
	Sometimes "new:" was missing
	If a return value is 'length($foo)' it's an integer with a minimum value of 0
	Some random strings were mistakenly sent as tests that were not in the memberof set

0.26	Mon Jan 12 07:57:54 EST 2026
	Added strict_pod mode to SchemaExtractor, which croaks if it finds discrepancies between the POD and code
	Improved detection of optional/required arguments
	Improved detection of integer output types
	Improved POD parser of parameters
	Added --dry-run
	Improved config validation
	Better call of object methods in transforms
	Test the sanity of Unicode outputs
	Idempotent tests
	Prevent silent duplicate method overwrites
	Implement confidence_threshold
	Refactor _detect_accessor_methods
	Only generate one of call_code and position_code
	Check for global side effects
	Sanity test on DIES
	Added timeout tests to ensure the test doesn't hang

0.25	Thu Jan  1 15:41:06 EST 2026
	Ternary ? 1 : 0 return is taken to be an indicator of boolean returns
	Now parses this pod to know that it's supposed to return a string:
		Returns the sanitized HTML string
	Use :: to call methods in non-oo modules, rather than ->
	Flag when type is set to object by can is not set

0.24	Sun Dec 28 15:10:09 EST 2025
	Return chances of false positive file path semantics
	If the type of an variable can't be determined, guess at string, but lower the confidence level
	Error Message Extraction:
		Capture error messages from die/croak/confess
		Use them to understand what makes input invalid die "Age must be positive" if $age <= 0;
		Store that a negative/zero age is invalid
	Use test of scalar(@_) to check for number of optional/mandatory args
	Throw a float at a routine that only takes integers - it should error
	Added example extraction
		Parse POD for example calls and extract valid parameter combinations =head2 SYNOPSIS my $obj = Module->new(foo => 'bar', count => 5);
		Store these as known-good test values
	Corpus bool testing now uses ok rather than is
	Ensure new doesn't refer to other packages
	Set the isa property in the new function

0.23	Wed Dec 24 10:48:03 EST 2025
	Fix https://www.cpantesters.org/cpan/report/079dba46-d92f-11f0-9642-dde56d8775ea
	Don't give false negative that memberof isn't known
	SchemaExtractor output files now end in .yml not .yaml
	Ensure rand_str isn't called when memberof is set
	When test_empty is set, do the right thing for memberof

0.22	Sun Dec 21 20:59:58 EST 2025
	Added better API to generate
	Added parameter relationship detection (mutually exclusive, required groups, conditional requirements, dependencies, value constraints)
	Improved Object Detection
		Detect factory methods that return instances
		Recognize singleton patterns
		Identify when constructor needs specific parameters
		Handle inheritance (when parent class new() is needed)
	Better Default Value Extraction
		$param = $param || 'default_value'
		$param //= 'default_value'
		$param = defined $param ? $param : 'default'
	Expanded _detect_list_context to
		Better distinguish scalar vs list returns
		Detect void context methods (those that modify state)
		Recognize chaining patterns more reliably Identify error return conventions (undef on failure, etc.)
	Add confidence scoring transparency, explain WHY confidence is what it is:
		_analysis: confidence_factors:
			- "POD documentation present (+30)"
			- "Type validation in code (+20)"
			- "No constraint information (-10)"
	Add support for:
		- Signatures (sub foo($x, $y = 5) { })
		- Postfix dereferencing ($array->@*)
		- Subroutine attributes (sub foo :Returns(Int) { })
		- Field declarations (Perl 5.38+)
	Added a new section to generated YAML:
		yamltest_hints: boundary_values: [0, 1, 100, 255]
		detected from code invalid_inputs: ['', undef, -1]
		from validation checks equivalence_classes: []

0.21	Sun Dec 14 08:07:09 EST 2025
	Schemaextractor: don't put the package name as the argument
	Validate config settings better
	Fix max string testing with non-ASCII characters
	Changed rand_str to be a unified generator that randomly produces codepoint strings,
		grapheme clusters, ZWJ emoji sequences, or aggressive Unicode fuzz strings
	Schemaextractor: Added advanced type detection for DateTime objects, file handles, coderefs, and enum validation patterns
	Added enum as a synonym of memberof
	Added tests for unix_timestamp semantic type

0.20	Fri Dec  5 07:53:43 EST 2025
	Added the --version flag to fuzz-harness-generator
	Ensure the max value of string is honoured better
	Fix array context detection to only match return statements
	Improve chances of detecting a boolean output
	Make the list context detection more specific

0.19	Wed Nov 26 07:50:22 EST 2025
	Fixed the loop iterating over mandatory args
	Ensure mandatory_args honours matches

0.18	Tue Nov 25 11:58:12 EST 2025
	Removed one place sending '' if test_empty was disabled
	Don't send long strings if matches is set
	Fixed handling of position code with more than argument
	Renamed the sample module

0.17	Tue Nov 25 10:24:36 EST 2025
	Improved TEST_VERBOSE output for Corpus tests
	Make the strings more random
	Added test_non_ascii (default 1) to the configuration matrix
	Removed all legacy conf code
	Re-ordered the POD
	Don't give 42 if max < 42
	Added App::Test::Generator::SchemaExtractor

0.16	Thu Nov 20 08:38:17 EST 2025
	Use Data::Random::String to generate the string
	Use Data::Random::Structure to generate references to hashes and arrays
	Remove legacy support for Perl config files
	Handle the case when all inputs should cause a die(),
		allows App::Test::Generator to sanity test itself
	If something is expected to die, don't look at its return code
	More boolean edge cases
	Don't pass _NAME to validate_strict
	When a routine dies, it shouldn't return anything
	Begin to use semantic types
	Use Test::LectroTest to create more tests
	Added custom properties
	Separated the Template into its own class to ease maintenance
	Use reusable functions to generate cases
	Rand_set returns and array, so look at the first element

0.15	Tue Nov 11 19:30:18 EST 2025
	Documented how to Fuzz test a CPAN module
	populate_positions - don't attempt to deref a scalar
	carp when undef is a corpus test case, but test_undefs is not set
	Improved handling of cases array for WARNS and DIES
	Improved handling of validating position settings in config files
	Croak if the schema_file can't be opened
	Close stdin and use /dev/null
	Fixed logic in testing short strings when min >= 2

0.14	Fri Nov  7 20:26:32 EST 2025
	Fixed logic when neither memberof nor notmemberof were defined,
		which could cause an empty notmemberof array to be created
	Transform: better number of items for arrayrefs
	At least one of module and function must be defined
	Don't send wrong data types in transform testing built ins
	Document the edge_cases_array and ensure all tests in that array are run
	Better handing of "input: undef" in the config file
	Fix handling of matches in output schemas

0.13	Tue Nov  4 11:52:49 EST 2025
	Added better documentation for transforms
	transform: filled in more types for the foundation set of data
	Added "value" to the transform keywords
	Refactored and enabled the code to validate that $module exists and is installed
	Added deprecation notice about loading configs from perl code
	Allow yes/no as booleans in schema config settings
	Fix sprintf issue when the text contains a % sign

0.12	Sun Nov  2 19:38:10 EST 2025
	undef can now be used to indicate no input or output
	Sending with no args if now configured using "test_undef" rather than "test_empty"
	Use Data::Random::String::Matches to create random string that matches a regex
	Flag keywords that are yet to be handled
	$module can now be set to "builtin"