From c1c23a332c509772ca0748c909fcee6f10de07b2 Mon Sep 17 00:00:00 2001 From: Charles McGarvey Date: Mon, 28 Nov 2016 01:22:18 -0700 Subject: [PATCH 1/1] Version 0.001 --- .travis.yml | 23 ++ Changes | 6 + LICENSE | 379 ++++++++++++++++++++++++++++ MANIFEST | 26 ++ META.json | 91 +++++++ META.yml | 45 ++++ Makefile.PL | 67 +++++ README | 66 +++++ bin/test-logical-equivalence | 111 ++++++++ lib/Acme/Test/LogicalEquivalence.pm | 120 +++++++++ t/00-compile.t | 94 +++++++ t/00-report-prereqs.dd | 52 ++++ t/00-report-prereqs.t | 183 ++++++++++++++ t/01-universal-laws.t | 90 +++++++ xt/author/clean-namespaces.t | 11 + xt/author/critic.t | 12 + xt/author/eol.t | 30 +++ xt/author/no-tabs.t | 30 +++ xt/author/pod-coverage.t | 7 + xt/author/pod-no404s.t | 21 ++ xt/author/pod-syntax.t | 7 + xt/author/portability.t | 10 + xt/release/cpan-changes.t | 10 + xt/release/distmeta.t | 6 + xt/release/minimum-version.t | 8 + 25 files changed, 1505 insertions(+) create mode 100644 .travis.yml create mode 100644 Changes create mode 100644 LICENSE create mode 100644 MANIFEST create mode 100644 META.json create mode 100644 META.yml create mode 100644 Makefile.PL create mode 100644 README create mode 100755 bin/test-logical-equivalence create mode 100644 lib/Acme/Test/LogicalEquivalence.pm create mode 100644 t/00-compile.t create mode 100644 t/00-report-prereqs.dd create mode 100644 t/00-report-prereqs.t create mode 100644 t/01-universal-laws.t create mode 100644 xt/author/clean-namespaces.t create mode 100644 xt/author/critic.t create mode 100644 xt/author/eol.t create mode 100644 xt/author/no-tabs.t create mode 100644 xt/author/pod-coverage.t create mode 100644 xt/author/pod-no404s.t create mode 100644 xt/author/pod-syntax.t create mode 100644 xt/author/portability.t create mode 100644 xt/release/cpan-changes.t create mode 100644 xt/release/distmeta.t create mode 100644 xt/release/minimum-version.t diff --git a/.travis.yml b/.travis.yml new file mode 100644 index 0000000..6e0e2fe --- /dev/null +++ b/.travis.yml @@ -0,0 +1,23 @@ +sudo: false +language: perl +perl: + - '5.24' + - '5.22' + - '5.20' + - '5.18' + - '5.16' + - '5.14' + - '5.12' + - '5.10' + - '5.8' +matrix: + allow_failures: + - perl: '5.8' + fast_finish: true +branches: + only: /^(dist|build\/.*)$/ +before_install: + - rm .travis.yml + - export AUTHOR_TESTING=0 +install: + - cpanm --installdeps --verbose . diff --git a/Changes b/Changes new file mode 100644 index 0000000..af0fd2b --- /dev/null +++ b/Changes @@ -0,0 +1,6 @@ +Revision history for Acme-Test-LogicalEquivalence. + +0.001 2016-11-28 01:21:57-07:00 MST7MDT + + * Initial release + diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..1935df6 --- /dev/null +++ b/LICENSE @@ -0,0 +1,379 @@ +This software is copyright (c) 2016 by Charles McGarvey. + +This is free software; you can redistribute it and/or modify it under +the same terms as the Perl 5 programming language system itself. + +Terms of the Perl programming language system itself + +a) the GNU General Public License as published by the Free + Software Foundation; either version 1, or (at your option) any + later version, or +b) the "Artistic License" + +--- The GNU General Public License, Version 1, February 1989 --- + +This software is Copyright (c) 2016 by Charles McGarvey. + +This is free software, licensed under: + + The GNU General Public License, Version 1, February 1989 + + GNU GENERAL PUBLIC LICENSE + Version 1, February 1989 + + Copyright (C) 1989 Free Software Foundation, Inc. + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The license agreements of most software companies try to keep users +at the mercy of those companies. 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THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF +MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + +The End + diff --git a/MANIFEST b/MANIFEST new file mode 100644 index 0000000..006ccfa --- /dev/null +++ b/MANIFEST @@ -0,0 +1,26 @@ +# This file was automatically generated by Dist::Zilla::Plugin::Manifest v6.008. +.travis.yml +Changes +LICENSE +MANIFEST +META.json +META.yml +Makefile.PL +README +bin/test-logical-equivalence +lib/Acme/Test/LogicalEquivalence.pm +t/00-compile.t +t/00-report-prereqs.dd +t/00-report-prereqs.t +t/01-universal-laws.t +xt/author/clean-namespaces.t +xt/author/critic.t +xt/author/eol.t +xt/author/no-tabs.t +xt/author/pod-coverage.t +xt/author/pod-no404s.t +xt/author/pod-syntax.t +xt/author/portability.t +xt/release/cpan-changes.t +xt/release/distmeta.t +xt/release/minimum-version.t diff --git a/META.json b/META.json new file mode 100644 index 0000000..e04a6b2 --- /dev/null +++ b/META.json @@ -0,0 +1,91 @@ +{ + "abstract" : "Test if expressions are logically equivalent", + "author" : [ + "Charles McGarvey " + ], + "dynamic_config" : 0, + "generated_by" : "Dist::Zilla version 6.008, CPAN::Meta::Converter version 2.150005", + "keywords" : [ + "test", + "logic" + ], + "license" : [ + "perl_5" + ], + "meta-spec" : { + "url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec", + "version" : 2 + }, + "name" : "Acme-Test-LogicalEquivalence", + "no_index" : { + "directory" : [ + "eg", + "share", + "shares", + "t", + "xt" + ] + }, + "prereqs" : { + "configure" : { + "requires" : { + "ExtUtils::MakeMaker" : "0" + } + }, + "develop" : { + "requires" : { + "Dist::Zilla" : "5", + "Dist::Zilla::PluginBundle::Author::CCM" : "0", + "English" : "0", + "Pod::Coverage::TrustPod" : "0", + "Software::License::Perl_5" : "0", + "Test::CPAN::Changes" : "0.19", + "Test::CPAN::Meta" : "0", + "Test::CleanNamespaces" : "0.15", + "Test::EOL" : "0", + "Test::MinimumVersion" : "0", + "Test::More" : "0.96", + "Test::NoTabs" : "0", + "Test::Pod" : "1.41", + "Test::Pod::Coverage" : "1.08", + "Test::Pod::No404s" : "0", + "Test::Portability::Files" : "0" + } + }, + "runtime" : { + "requires" : { + "Exporter" : "0", + "Test::More" : "0", + "namespace::clean" : "0", + "perl" : "5.008", + "strict" : "0", + "warnings" : "0" + } + }, + "test" : { + "recommends" : { + "CPAN::Meta" : "2.120900" + }, + "requires" : { + "ExtUtils::MakeMaker" : "0", + "File::Spec" : "0", + "IO::Handle" : "0", + "IPC::Open3" : "0", + "Test::More" : "0", + "blib" : "1.01" + } + } + }, + "provides" : { + "Acme::Test::LogicalEquivalence" : { + "file" : "lib/Acme/Test/LogicalEquivalence.pm", + "version" : "0.001" + } + }, + "release_status" : "stable", + "resources" : {}, + "version" : "0.001", + "x_authority" : "cpan:CCM", + "x_serialization_backend" : "Cpanel::JSON::XS version 3.0224" +} + diff --git a/META.yml b/META.yml new file mode 100644 index 0000000..431aa57 --- /dev/null +++ b/META.yml @@ -0,0 +1,45 @@ +--- +abstract: 'Test if expressions are logically equivalent' +author: + - 'Charles McGarvey ' +build_requires: + ExtUtils::MakeMaker: '0' + File::Spec: '0' + IO::Handle: '0' + IPC::Open3: '0' + Test::More: '0' + blib: '1.01' +configure_requires: + ExtUtils::MakeMaker: '0' +dynamic_config: 0 +generated_by: 'Dist::Zilla version 6.008, CPAN::Meta::Converter version 2.150005' +keywords: + - test + - logic +license: perl +meta-spec: + url: http://module-build.sourceforge.net/META-spec-v1.4.html + version: '1.4' +name: Acme-Test-LogicalEquivalence +no_index: + directory: + - eg + - share + - shares + - t + - xt +provides: + Acme::Test::LogicalEquivalence: + file: lib/Acme/Test/LogicalEquivalence.pm + version: '0.001' +requires: + Exporter: '0' + Test::More: '0' + namespace::clean: '0' + perl: '5.008' + strict: '0' + warnings: '0' +resources: {} +version: '0.001' +x_authority: cpan:CCM +x_serialization_backend: 'YAML::Tiny version 1.69' diff --git a/Makefile.PL b/Makefile.PL new file mode 100644 index 0000000..d5f8a65 --- /dev/null +++ b/Makefile.PL @@ -0,0 +1,67 @@ +# This file was automatically generated by Dist::Zilla::Plugin::MakeMaker v6.008. +use strict; +use warnings; + +use 5.008; + +use ExtUtils::MakeMaker; + +my %WriteMakefileArgs = ( + "ABSTRACT" => "Test if expressions are logically equivalent", + "AUTHOR" => "Charles McGarvey ", + "CONFIGURE_REQUIRES" => { + "ExtUtils::MakeMaker" => 0 + }, + "DISTNAME" => "Acme-Test-LogicalEquivalence", + "EXE_FILES" => [ + "bin/test-logical-equivalence" + ], + "LICENSE" => "perl", + "MIN_PERL_VERSION" => "5.008", + "NAME" => "Acme::Test::LogicalEquivalence", + "PREREQ_PM" => { + "Exporter" => 0, + "Test::More" => 0, + "namespace::clean" => 0, + "strict" => 0, + "warnings" => 0 + }, + "TEST_REQUIRES" => { + "ExtUtils::MakeMaker" => 0, + "File::Spec" => 0, + "IO::Handle" => 0, + "IPC::Open3" => 0, + "Test::More" => 0, + "blib" => "1.01" + }, + "VERSION" => "0.001", + "test" => { + "TESTS" => "t/*.t" + } +); + + +my %FallbackPrereqs = ( + "Exporter" => 0, + "ExtUtils::MakeMaker" => 0, + "File::Spec" => 0, + "IO::Handle" => 0, + "IPC::Open3" => 0, + "Test::More" => 0, + "blib" => "1.01", + "namespace::clean" => 0, + "strict" => 0, + "warnings" => 0 +); + + +unless ( eval { ExtUtils::MakeMaker->VERSION(6.63_03) } ) { + delete $WriteMakefileArgs{TEST_REQUIRES}; + delete $WriteMakefileArgs{BUILD_REQUIRES}; + $WriteMakefileArgs{PREREQ_PM} = \%FallbackPrereqs; +} + +delete $WriteMakefileArgs{CONFIGURE_REQUIRES} + unless eval { ExtUtils::MakeMaker->VERSION(6.52) }; + +WriteMakefile(%WriteMakefileArgs); diff --git a/README b/README new file mode 100644 index 0000000..bba0f3c --- /dev/null +++ b/README @@ -0,0 +1,66 @@ +NAME + + Acme::Test::LogicalEquivalence - Test if expressions are logically + equivalent + +VERSION + + version 0.001 + +SYNOPSIS + + use Test::More; + use Acme::Test::LogicalEquivalence qw(is_logically_equivalent); + + # test two expressions with 2 variables using the special vars $a and $b + is_logically_equivalent(2, sub { $a && $b }, sub { $b && $a }); + + # same as above + is_logically_equivalent(2, sub { $_[0] && $_[1] }, sub { $_[1] && $_[0] }); + + # you can do as many vars as you like + is_logically_equivalent(3, sub { $_[0] || ($_[1] && $_[2]) }, + sub { ($_[0] || $_[1]) && ($_[0] || $_[2]) }); + + done_testing; + +DESCRIPTION + + Some expressions are "logically equivalent" to other expressions, but + it may not be easy to tell if one or both of the expressions are + reasonably complicated. Or maybe you're like many other people and are + too lazy to go through the effort... Either way, why not let your + computer prove logical equivalence for you? + +FUNCTIONS + + is_logically_equivalent + + Test logical equivalence of two subroutines. + + my $is_equivalent = is_logically_equivalent($numvars, &sub1, &sub2); + + This will execute both of the subroutines one or more times (depending + on how many variables you specify) with different inputs. The + subroutines shall be considered logically equivalent if, for all + combinations of inputs, they both return the same thing. + + Returns true if the subroutines are logically equivalent, false + otherwise. + +SEE ALSO + + * What is logical equivalence? Start here: + https://en.wikipedia.org/wiki/Logical_equivalence + +AUTHOR + + Charles McGarvey + +COPYRIGHT AND LICENSE + + This software is copyright (c) 2016 by Charles McGarvey. + + This is free software; you can redistribute it and/or modify it under + the same terms as the Perl 5 programming language system itself. + diff --git a/bin/test-logical-equivalence b/bin/test-logical-equivalence new file mode 100755 index 0000000..61d03bf --- /dev/null +++ b/bin/test-logical-equivalence @@ -0,0 +1,111 @@ +#!perl +# ABSTRACT: Test if expressions are logically equivalent +# PODNAME: test-logical-equivalence + + +use 5.008; +use warnings FATAL => 'all'; +use strict; + +use Test::More; +use Acme::Test::LogicalEquivalence qw(is_logically_equivalent); + +sub usage { + print < $numvars2 ? $numvars1 : $numvars2; + +if ($num < 1) { + print STDERR 'No variables detected. Variables should be one or more of $a, $b, ..., $z', "\n"; + exit 2; +} + +# convert $a-style vars to $_[0]-style to support more than just $a and $b +$expr1 =~ s/\$([a-z])/'$_['.(ord($1) - 97).']'/ge; +$expr2 =~ s/\$([a-z])/'$_['.(ord($1) - 97).']'/ge; + +my $sub1 = eval "sub { $expr1 }" or die "Expression 1: $@\n"; ## no critic (ProhibitStringyEval) +my $sub2 = eval "sub { $expr2 }" or die "Expression 2: $@\n"; ## no critic (ProhibitStringyEval) + +plan tests => (2 ** $num); +note "Testing for logical equivalence of two expressions with $num variable(s)..."; + +my $equivalence = is_logically_equivalent($num, $sub1, $sub2); +note $equivalence ? 'Logical equivalence proved!' : 'Bummer...'; + +__END__ + +=pod + +=encoding UTF-8 + +=head1 NAME + +test-logical-equivalence - Test if expressions are logically equivalent + +=head1 VERSION + +version 0.001 + +=head1 SYNOPSIS + + # be sure to escape $ and other special characters from your shell + test-logical-equivalence '$a && $b' '$b && $a' + +=head1 SEE ALSO + +=over 4 + +=item * + +L + +=back + +=head1 AUTHOR + +Charles McGarvey + +=head1 COPYRIGHT AND LICENSE + +This software is copyright (c) 2016 by Charles McGarvey. + +This is free software; you can redistribute it and/or modify it under +the same terms as the Perl 5 programming language system itself. + +=cut diff --git a/lib/Acme/Test/LogicalEquivalence.pm b/lib/Acme/Test/LogicalEquivalence.pm new file mode 100644 index 0000000..b894d45 --- /dev/null +++ b/lib/Acme/Test/LogicalEquivalence.pm @@ -0,0 +1,120 @@ +package Acme::Test::LogicalEquivalence; +# ABSTRACT: Test if expressions are logically equivalent +# KEYWORDS: test logic + +use 5.008; +use warnings; +use strict; + +our $VERSION = '0.001'; # VERSION + +use Exporter qw(import); +use Test::More; +use namespace::clean -except => [qw(import)]; + +our @EXPORT_OK = qw(is_logically_equivalent); + + +sub is_logically_equivalent { + my $numvars = shift; + my $sub1 = shift; + my $sub2 = shift; + + my $equivalence = 1; + + for (my $i = 0; $i < 2 ** $numvars; ++$i) { + my @vars = split(//, substr(unpack("B32", pack('N', $i)), -$numvars)); + + (local $a, local $b) = @vars; + my $r1 = !!$sub1->(@vars); + + (local $a, local $b) = @vars; + my $r2 = !!$sub2->(@vars); + + my $test = !($r1 xor $r2); + + my $args = join(', ', map { $_ ? 'T' : 'F' } @vars); + ok($test, "expr1($args) <=> expr2($args)"); + + $equivalence = '' if !$test; + } + + return $equivalence; +} + +1; + +__END__ + +=pod + +=encoding UTF-8 + +=head1 NAME + +Acme::Test::LogicalEquivalence - Test if expressions are logically equivalent + +=head1 VERSION + +version 0.001 + +=head1 SYNOPSIS + + use Test::More; + use Acme::Test::LogicalEquivalence qw(is_logically_equivalent); + + # test two expressions with 2 variables using the special vars $a and $b + is_logically_equivalent(2, sub { $a && $b }, sub { $b && $a }); + + # same as above + is_logically_equivalent(2, sub { $_[0] && $_[1] }, sub { $_[1] && $_[0] }); + + # you can do as many vars as you like + is_logically_equivalent(3, sub { $_[0] || ($_[1] && $_[2]) }, + sub { ($_[0] || $_[1]) && ($_[0] || $_[2]) }); + + done_testing; + +=head1 DESCRIPTION + +Some expressions are "logically equivalent" to other expressions, but it may not be easy to tell if +one or both of the expressions are reasonably complicated. Or maybe you're like many other people +and are too lazy to go through the effort... Either way, why not let your computer prove logical +equivalence for you? + +=head1 FUNCTIONS + +=head2 is_logically_equivalent + +Test logical equivalence of two subroutines. + + my $is_equivalent = is_logically_equivalent($numvars, &sub1, &sub2); + +This will execute both of the subroutines one or more times (depending on how many variables you +specify) with different inputs. The subroutines shall be considered logically equivalent if, for all +combinations of inputs, they both return the same thing. + +Returns true if the subroutines are logically equivalent, false otherwise. + +=head1 SEE ALSO + +=over 4 + +=item * + +What is logical equivalence? Start here: L + +=back + +=head1 AUTHOR + +Charles McGarvey + +=head1 COPYRIGHT AND LICENSE + +This software is copyright (c) 2016 by Charles McGarvey. + +This is free software; you can redistribute it and/or modify it under +the same terms as the Perl 5 programming language system itself. + +=cut diff --git a/t/00-compile.t b/t/00-compile.t new file mode 100644 index 0000000..ebb9ee2 --- /dev/null +++ b/t/00-compile.t @@ -0,0 +1,94 @@ +use 5.006; +use strict; +use warnings; + +# this test was generated with Dist::Zilla::Plugin::Test::Compile 2.056 + +use Test::More; + +plan tests => 2 + ($ENV{AUTHOR_TESTING} ? 1 : 0); + +my @module_files = ( + 'Acme/Test/LogicalEquivalence.pm' +); + +my @scripts = ( + 'bin/test-logical-equivalence' +); + +# no fake home requested + +my @switches = ( + -d 'blib' ? '-Mblib' : '-Ilib', +); + +use File::Spec; +use IPC::Open3; +use IO::Handle; + +open my $stdin, '<', File::Spec->devnull or die "can't open devnull: $!"; + +my @warnings; +for my $lib (@module_files) +{ + # see L + my $stderr = IO::Handle->new; + + diag('Running: ', join(', ', map { my $str = $_; $str =~ s/'/\\'/g; q{'} . $str . q{'} } + $^X, @switches, '-e', "require q[$lib]")) + if $ENV{PERL_COMPILE_TEST_DEBUG}; + + my $pid = open3($stdin, '>&STDERR', $stderr, $^X, @switches, '-e', "require q[$lib]"); + binmode $stderr, ':crlf' if $^O eq 'MSWin32'; + my @_warnings = <$stderr>; + waitpid($pid, 0); + is($?, 0, "$lib loaded ok"); + + shift @_warnings if @_warnings and $_warnings[0] =~ /^Using .*\bblib/ + and not eval { require blib; blib->VERSION('1.01') }; + + if (@_warnings) + { + warn @_warnings; + push @warnings, @_warnings; + } +} + +foreach my $file (@scripts) +{ SKIP: { + open my $fh, '<', $file or warn("Unable to open $file: $!"), next; + my $line = <$fh>; + + close $fh and skip("$file isn't perl", 1) unless $line =~ /^#!\s*(?:\S*perl\S*)((?:\s+-\w*)*)(?:\s*#.*)?$/; + @switches = (@switches, split(' ', $1)) if $1; + + my $stderr = IO::Handle->new; + + diag('Running: ', join(', ', map { my $str = $_; $str =~ s/'/\\'/g; q{'} . $str . q{'} } + $^X, @switches, '-c', $file)) + if $ENV{PERL_COMPILE_TEST_DEBUG}; + + my $pid = open3($stdin, '>&STDERR', $stderr, $^X, @switches, '-c', $file); + binmode $stderr, ':crlf' if $^O eq 'MSWin32'; + my @_warnings = <$stderr>; + waitpid($pid, 0); + is($?, 0, "$file compiled ok"); + + shift @_warnings if @_warnings and $_warnings[0] =~ /^Using .*\bblib/ + and not eval { require blib; blib->VERSION('1.01') }; + + # in older perls, -c output is simply the file portion of the path being tested + if (@_warnings = grep { !/\bsyntax OK$/ } + grep { chomp; $_ ne (File::Spec->splitpath($file))[2] } @_warnings) + { + warn @_warnings; + push @warnings, @_warnings; + } +} } + + + +is(scalar(@warnings), 0, 'no warnings found') + or diag 'got warnings: ', ( Test::More->can('explain') ? Test::More::explain(\@warnings) : join("\n", '', @warnings) ) if $ENV{AUTHOR_TESTING}; + + diff --git a/t/00-report-prereqs.dd b/t/00-report-prereqs.dd new file mode 100644 index 0000000..39de928 --- /dev/null +++ b/t/00-report-prereqs.dd @@ -0,0 +1,52 @@ +do { my $x = { + 'configure' => { + 'requires' => { + 'ExtUtils::MakeMaker' => '0' + } + }, + 'develop' => { + 'requires' => { + 'Dist::Zilla' => '5', + 'Dist::Zilla::PluginBundle::Author::CCM' => '0', + 'English' => '0', + 'Pod::Coverage::TrustPod' => '0', + 'Software::License::Perl_5' => '0', + 'Test::CPAN::Changes' => '0.19', + 'Test::CPAN::Meta' => '0', + 'Test::CleanNamespaces' => '0.15', + 'Test::EOL' => '0', + 'Test::MinimumVersion' => '0', + 'Test::More' => '0.96', + 'Test::NoTabs' => '0', + 'Test::Pod' => '1.41', + 'Test::Pod::Coverage' => '1.08', + 'Test::Pod::No404s' => '0', + 'Test::Portability::Files' => '0' + } + }, + 'runtime' => { + 'requires' => { + 'Exporter' => '0', + 'Test::More' => '0', + 'namespace::clean' => '0', + 'perl' => '5.008', + 'strict' => '0', + 'warnings' => '0' + } + }, + 'test' => { + 'recommends' => { + 'CPAN::Meta' => '2.120900' + }, + 'requires' => { + 'ExtUtils::MakeMaker' => '0', + 'File::Spec' => '0', + 'IO::Handle' => '0', + 'IPC::Open3' => '0', + 'Test::More' => '0', + 'blib' => '1.01' + } + } + }; + $x; + } \ No newline at end of file diff --git a/t/00-report-prereqs.t b/t/00-report-prereqs.t new file mode 100644 index 0000000..e338372 --- /dev/null +++ b/t/00-report-prereqs.t @@ -0,0 +1,183 @@ +#!perl + +use strict; +use warnings; + +# This test was generated by Dist::Zilla::Plugin::Test::ReportPrereqs 0.025 + +use Test::More tests => 1; + +use ExtUtils::MakeMaker; +use File::Spec; + +# from $version::LAX +my $lax_version_re = + qr/(?: undef | (?: (?:[0-9]+) (?: \. | (?:\.[0-9]+) (?:_[0-9]+)? )? + | + (?:\.[0-9]+) (?:_[0-9]+)? + ) | (?: + v (?:[0-9]+) (?: (?:\.[0-9]+)+ (?:_[0-9]+)? )? + | + (?:[0-9]+)? (?:\.[0-9]+){2,} (?:_[0-9]+)? + ) + )/x; + +# hide optional CPAN::Meta modules from prereq scanner +# and check if they are available +my $cpan_meta = "CPAN::Meta"; +my $cpan_meta_pre = "CPAN::Meta::Prereqs"; +my $HAS_CPAN_META = eval "require $cpan_meta; $cpan_meta->VERSION('2.120900')" && eval "require $cpan_meta_pre"; ## no critic + +# Verify requirements? +my $DO_VERIFY_PREREQS = 1; + +sub _max { + my $max = shift; + $max = ( $_ > $max ) ? $_ : $max for @_; + return $max; +} + +sub _merge_prereqs { + my ($collector, $prereqs) = @_; + + # CPAN::Meta::Prereqs object + if (ref $collector eq $cpan_meta_pre) { + return $collector->with_merged_prereqs( + CPAN::Meta::Prereqs->new( $prereqs ) + ); + } + + # Raw hashrefs + for my $phase ( keys %$prereqs ) { + for my $type ( keys %{ $prereqs->{$phase} } ) { + for my $module ( keys %{ $prereqs->{$phase}{$type} } ) { + $collector->{$phase}{$type}{$module} = $prereqs->{$phase}{$type}{$module}; + } + } + } + + return $collector; +} + +my @include = qw( + +); + +my @exclude = qw( + +); + +# Add static prereqs to the included modules list +my $static_prereqs = do 't/00-report-prereqs.dd'; + +# Merge all prereqs (either with ::Prereqs or a hashref) +my $full_prereqs = _merge_prereqs( + ( $HAS_CPAN_META ? $cpan_meta_pre->new : {} ), + $static_prereqs +); + +# Add dynamic prereqs to the included modules list (if we can) +my ($source) = grep { -f } 'MYMETA.json', 'MYMETA.yml'; +if ( $source && $HAS_CPAN_META + && (my $meta = eval { CPAN::Meta->load_file($source) } ) +) { + $full_prereqs = _merge_prereqs($full_prereqs, $meta->prereqs); +} +else { + $source = 'static metadata'; +} + +my @full_reports; +my @dep_errors; +my $req_hash = $HAS_CPAN_META ? $full_prereqs->as_string_hash : $full_prereqs; + +# Add static includes into a fake section +for my $mod (@include) { + $req_hash->{other}{modules}{$mod} = 0; +} + +for my $phase ( qw(configure build test runtime develop other) ) { + next unless $req_hash->{$phase}; + next if ($phase eq 'develop' and not $ENV{AUTHOR_TESTING}); + + for my $type ( qw(requires recommends suggests conflicts modules) ) { + next unless $req_hash->{$phase}{$type}; + + my $title = ucfirst($phase).' '.ucfirst($type); + my @reports = [qw/Module Want Have/]; + + for my $mod ( sort keys %{ $req_hash->{$phase}{$type} } ) { + next if $mod eq 'perl'; + next if grep { $_ eq $mod } @exclude; + + my $file = $mod; + $file =~ s{::}{/}g; + $file .= ".pm"; + my ($prefix) = grep { -e File::Spec->catfile($_, $file) } @INC; + + my $want = $req_hash->{$phase}{$type}{$mod}; + $want = "undef" unless defined $want; + $want = "any" if !$want && $want == 0; + + my $req_string = $want eq 'any' ? 'any version required' : "version '$want' required"; + + if ($prefix) { + my $have = MM->parse_version( File::Spec->catfile($prefix, $file) ); + $have = "undef" unless defined $have; + push @reports, [$mod, $want, $have]; + + if ( $DO_VERIFY_PREREQS && $HAS_CPAN_META && $type eq 'requires' ) { + if ( $have !~ /\A$lax_version_re\z/ ) { + push @dep_errors, "$mod version '$have' cannot be parsed ($req_string)"; + } + elsif ( ! $full_prereqs->requirements_for( $phase, $type )->accepts_module( $mod => $have ) ) { + push @dep_errors, "$mod version '$have' is not in required range '$want'"; + } + } + } + else { + push @reports, [$mod, $want, "missing"]; + + if ( $DO_VERIFY_PREREQS && $type eq 'requires' ) { + push @dep_errors, "$mod is not installed ($req_string)"; + } + } + } + + if ( @reports ) { + push @full_reports, "=== $title ===\n\n"; + + my $ml = _max( map { length $_->[0] } @reports ); + my $wl = _max( map { length $_->[1] } @reports ); + my $hl = _max( map { length $_->[2] } @reports ); + + if ($type eq 'modules') { + splice @reports, 1, 0, ["-" x $ml, "", "-" x $hl]; + push @full_reports, map { sprintf(" %*s %*s\n", -$ml, $_->[0], $hl, $_->[2]) } @reports; + } + else { + splice @reports, 1, 0, ["-" x $ml, "-" x $wl, "-" x $hl]; + push @full_reports, map { sprintf(" %*s %*s %*s\n", -$ml, $_->[0], $wl, $_->[1], $hl, $_->[2]) } @reports; + } + + push @full_reports, "\n"; + } + } +} + +if ( @full_reports ) { + diag "\nVersions for all modules listed in $source (including optional ones):\n\n", @full_reports; +} + +if ( @dep_errors ) { + diag join("\n", + "\n*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING ***\n", + "The following REQUIRED prerequisites were not satisfied:\n", + @dep_errors, + "\n" + ); +} + +pass; + +# vim: ts=4 sts=4 sw=4 et: diff --git a/t/01-universal-laws.t b/t/01-universal-laws.t new file mode 100644 index 0000000..4555fc5 --- /dev/null +++ b/t/01-universal-laws.t @@ -0,0 +1,90 @@ +#!perl + +use warnings; +use strict; + +use Test::More; + +use Acme::Test::LogicalEquivalence qw(is_logically_equivalent); + +note "Let's see if the universe still makes sense..."; + +note 'Identity laws'; +is_logically_equivalent 1, + sub { $a && 1 }, + sub { $a }; +is_logically_equivalent 1, + sub { $a || 0 }, + sub { $a }; + +note 'Domination laws'; +is_logically_equivalent 1, + sub { $a || 1 }, + sub { 1 }; +is_logically_equivalent 1, + sub { $a && 0 }, + sub { 0 }; + +note 'Idempotent laws'; +is_logically_equivalent 1, + sub { $a && $a }, + sub { $a }; +is_logically_equivalent 1, + sub { $a || $a }, + sub { $a }; + +note 'Double negation law'; +is_logically_equivalent 1, + sub { !!$a }, + sub { $a }; + +note 'Commutative laws'; +is_logically_equivalent 2, + sub { $a || $b }, + sub { $b || $a }; +is_logically_equivalent 2, + sub { $a && $b }, + sub { $b && $a }; + +note 'Associative laws'; +is_logically_equivalent 3, + sub { ($_[0] || $_[1]) || $_[2] }, + sub { $_[0] || ($_[1] || $_[2]) }; +is_logically_equivalent 3, + sub { ($_[0] && $_[1]) && $_[2] }, + sub { $_[0] && ($_[1] && $_[2]) }; + +note 'Distributive laws'; +is_logically_equivalent 3, + sub { $_[0] || ($_[1] && $_[2]) }, + sub { ($_[0] || $_[1]) && ($_[0] || $_[2]) }; +is_logically_equivalent 3, + sub { $_[0] && ($_[1] || $_[2]) }, + sub { ($_[0] && $_[1]) || ($_[0] && $_[2]) }; + +note 'De Morgan\'s laws'; +is_logically_equivalent 2, + sub { !($a && $b) }, + sub { !$a || !$b }; +is_logically_equivalent 2, + sub { !($a || $b) }, + sub { !$a && !$b }; + +note 'Absorption laws'; +is_logically_equivalent 2, + sub { $a || ($a && $b) }, + sub { $a }; +is_logically_equivalent 2, + sub { $a && ($a || $b) }, + sub { $a }; + +note 'Negation laws'; +is_logically_equivalent 1, + sub { $a || !$a }, + sub { 1 }; +is_logically_equivalent 1, + sub { $a && !$a }, + sub { 0 }; + +done_testing; + diff --git a/xt/author/clean-namespaces.t b/xt/author/clean-namespaces.t new file mode 100644 index 0000000..36387da --- /dev/null +++ b/xt/author/clean-namespaces.t @@ -0,0 +1,11 @@ +use strict; +use warnings; + +# this test was generated with Dist::Zilla::Plugin::Test::CleanNamespaces 0.006 + +use Test::More 0.94; +use Test::CleanNamespaces 0.15; + +subtest all_namespaces_clean => sub { all_namespaces_clean() }; + +done_testing; diff --git a/xt/author/critic.t b/xt/author/critic.t new file mode 100644 index 0000000..d5b4c96 --- /dev/null +++ b/xt/author/critic.t @@ -0,0 +1,12 @@ +#!perl + +use strict; +use warnings; + +use Test::More; +use English qw(-no_match_vars); + +eval "use Test::Perl::Critic"; +plan skip_all => 'Test::Perl::Critic required to criticise code' if $@; +Test::Perl::Critic->import( -profile => "perlcritic.rc" ) if -e "perlcritic.rc"; +all_critic_ok(); diff --git a/xt/author/eol.t b/xt/author/eol.t new file mode 100644 index 0000000..e119f46 --- /dev/null +++ b/xt/author/eol.t @@ -0,0 +1,30 @@ +use strict; +use warnings; + +# this test was generated with Dist::Zilla::Plugin::Test::EOL 0.19 + +use Test::More 0.88; +use Test::EOL; + +my @files = ( + 'bin/test-logical-equivalence', + 'lib/Acme/Test/LogicalEquivalence.pm', + 't/00-compile.t', + 't/00-report-prereqs.dd', + 't/00-report-prereqs.t', + 't/01-universal-laws.t', + 'xt/author/clean-namespaces.t', + 'xt/author/critic.t', + 'xt/author/eol.t', + 'xt/author/no-tabs.t', + 'xt/author/pod-coverage.t', + 'xt/author/pod-no404s.t', + 'xt/author/pod-syntax.t', + 'xt/author/portability.t', + 'xt/release/cpan-changes.t', + 'xt/release/distmeta.t', + 'xt/release/minimum-version.t' +); + +eol_unix_ok($_, { trailing_whitespace => 1 }) foreach @files; +done_testing; diff --git a/xt/author/no-tabs.t b/xt/author/no-tabs.t new file mode 100644 index 0000000..40fe675 --- /dev/null +++ b/xt/author/no-tabs.t @@ -0,0 +1,30 @@ +use strict; +use warnings; + +# this test was generated with Dist::Zilla::Plugin::Test::NoTabs 0.15 + +use Test::More 0.88; +use Test::NoTabs; + +my @files = ( + 'bin/test-logical-equivalence', + 'lib/Acme/Test/LogicalEquivalence.pm', + 't/00-compile.t', + 't/00-report-prereqs.dd', + 't/00-report-prereqs.t', + 't/01-universal-laws.t', + 'xt/author/clean-namespaces.t', + 'xt/author/critic.t', + 'xt/author/eol.t', + 'xt/author/no-tabs.t', + 'xt/author/pod-coverage.t', + 'xt/author/pod-no404s.t', + 'xt/author/pod-syntax.t', + 'xt/author/portability.t', + 'xt/release/cpan-changes.t', + 'xt/release/distmeta.t', + 'xt/release/minimum-version.t' +); + +notabs_ok($_) foreach @files; +done_testing; diff --git a/xt/author/pod-coverage.t b/xt/author/pod-coverage.t new file mode 100644 index 0000000..66b3b64 --- /dev/null +++ b/xt/author/pod-coverage.t @@ -0,0 +1,7 @@ +#!perl +# This file was automatically generated by Dist::Zilla::Plugin::PodCoverageTests. + +use Test::Pod::Coverage 1.08; +use Pod::Coverage::TrustPod; + +all_pod_coverage_ok({ coverage_class => 'Pod::Coverage::TrustPod' }); diff --git a/xt/author/pod-no404s.t b/xt/author/pod-no404s.t new file mode 100644 index 0000000..eb9760c --- /dev/null +++ b/xt/author/pod-no404s.t @@ -0,0 +1,21 @@ +#!perl + +use strict; +use warnings; +use Test::More; + +foreach my $env_skip ( qw( + SKIP_POD_NO404S + AUTOMATED_TESTING +) ){ + plan skip_all => "\$ENV{$env_skip} is set, skipping" + if $ENV{$env_skip}; +} + +eval "use Test::Pod::No404s"; +if ( $@ ) { + plan skip_all => 'Test::Pod::No404s required for testing POD'; +} +else { + all_pod_files_ok(); +} diff --git a/xt/author/pod-syntax.t b/xt/author/pod-syntax.t new file mode 100644 index 0000000..e563e5d --- /dev/null +++ b/xt/author/pod-syntax.t @@ -0,0 +1,7 @@ +#!perl +# This file was automatically generated by Dist::Zilla::Plugin::PodSyntaxTests. +use strict; use warnings; +use Test::More; +use Test::Pod 1.41; + +all_pod_files_ok(); diff --git a/xt/author/portability.t b/xt/author/portability.t new file mode 100644 index 0000000..c531252 --- /dev/null +++ b/xt/author/portability.t @@ -0,0 +1,10 @@ +use strict; +use warnings; + +use Test::More; + +eval 'use Test::Portability::Files'; +plan skip_all => 'Test::Portability::Files required for testing portability' + if $@; + +run_tests(); diff --git a/xt/release/cpan-changes.t b/xt/release/cpan-changes.t new file mode 100644 index 0000000..286005a --- /dev/null +++ b/xt/release/cpan-changes.t @@ -0,0 +1,10 @@ +use strict; +use warnings; + +# this test was generated with Dist::Zilla::Plugin::Test::CPAN::Changes 0.012 + +use Test::More 0.96 tests => 1; +use Test::CPAN::Changes; +subtest 'changes_ok' => sub { + changes_file_ok('Changes'); +}; diff --git a/xt/release/distmeta.t b/xt/release/distmeta.t new file mode 100644 index 0000000..c2280dc --- /dev/null +++ b/xt/release/distmeta.t @@ -0,0 +1,6 @@ +#!perl +# This file was automatically generated by Dist::Zilla::Plugin::MetaTests. + +use Test::CPAN::Meta; + +meta_yaml_ok(); diff --git a/xt/release/minimum-version.t b/xt/release/minimum-version.t new file mode 100644 index 0000000..ff71971 --- /dev/null +++ b/xt/release/minimum-version.t @@ -0,0 +1,8 @@ +#!perl + +use Test::More; + +eval "use Test::MinimumVersion"; +plan skip_all => "Test::MinimumVersion required for testing minimum versions" + if $@; +all_minimum_version_ok( qq{5.10.1} ); -- 2.45.2