File Coverage

blib/lib/Test/Apocalypse/Dependencies.pm

Criterion	Covered	Total	%
statement	32	95	33.6
branch	0	32	0.0
condition	0	12	0.0
subroutine	12	13	92.3
pod	0	1	0.0
total	44	153	28.7

#
# This file is part of Test-Apocalypse
#
# This software is copyright (c) 2014 by Apocalypse.
#
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
#
use strict; use warnings;
package Test::Apocalypse::Dependencies;
$Test::Apocalypse::Dependencies::VERSION = '1.004';
BEGIN {
  $Test::Apocalypse::Dependencies::AUTHORITY = 'cpan:APOCAL';
}

# ABSTRACT: Plugin to check for metadata dependencies

use Test::More;
use File::Slurp 9999.13;
use YAML::Any 0.72;
use JSON::Any 1.25;
use File::Find::Rule 0.32;
use Perl::PrereqScanner 1.000;
use Test::Deep 0.108;
use CPAN::Meta::Requirements 2.113640;

sub _do_automated { 0 }

sub do_test {
	# load the metadata
	my $runtime_req;
	my $test_req;
	my $provides;
	if ( -e 'META.json' ) {
		my $file = read_file( 'META.json' );
		my $metadata = JSON::Any->new->Load( $file );
		$runtime_req = $metadata->{'prereqs'}{'runtime'}{'requires'};
		$test_req = $metadata->{'prereqs'}{'test'}{'requires'};
		$provides = $metadata->{'provides'} if exists $metadata->{'provides'};
	} elsif ( -e 'META.yml' ) {
		my $file = read_file( 'META.yml' );
		my $metadata = Load( $file );
		$runtime_req = $metadata->{'requires'};
		$provides = $metadata->{'provides'} if exists $metadata->{'provides'};
	} else {
		die 'No META.(json|yml) found!';
	}

	# Okay, scan the files
	my $found_runtime = CPAN::Meta::Requirements->new;
	my $found_test = CPAN::Meta::Requirements->new;
	foreach my $file ( File::Find::Rule->file()->name( qr/\.pm$/ )->in( 'lib' ) ) {
		$found_runtime->add_requirements( Perl::PrereqScanner->new->scan_file( $file ) );
	}

	# scan the test dir only if we have test metadata
	if ( defined $test_req ) {
		foreach my $file ( File::Find::Rule->file()->name( qr/\.(pm|t|pl)$/ )->in( 't' ) ) {
			$found_test->add_requirements( Perl::PrereqScanner->new->scan_file( $file ) );
		}
	}

	# Okay, the spec says that anything already in the runtime req shouldn't be listed in test req
	# That means we need to "fake" the prereq and make sure the comparison is OK
	if ( defined $test_req ) {
		my %temp = %{ $found_test->as_string_hash };
		foreach my $mod ( keys %temp ) {
			if ( ! exists $test_req->{ $mod } and exists $runtime_req->{ $mod } ) {
				# don't copy runtime_req's version because it might be different and cmp_deeply will complain!
				$test_req->{ $mod } = $temp{ $mod };
			}
		}
	}

	# We remove any prereqs that we provided in the package
	if ( defined $provides ) {
		foreach my $p ( keys %$provides ) {
			$found_runtime->clear_requirement( $p );
			$found_test->clear_requirement( $p );
		}
	}

	# Thanks to PoCo::SmokeBox::Uploads::Rsync's use of PoCo::Generic, we have to do this
	# Mangle the found version to the required one if it was 0
	{
		my %temp = %{ $found_runtime->as_string_hash };
		foreach my $p ( keys %temp ) {
			if ( $runtime_req->{ $p } ne '0' and $temp{ $p } eq '0' ) {
				$found_runtime->clear_requirement( $p );
				$found_runtime->add_minimum( $p => $runtime_req->{ $p } );
			}
		}
	}

	# Do the same for the test stuff
	if ( defined $test_req ) {
		my %temp = %{ $found_test->as_string_hash };
		foreach my $p ( keys %temp ) {
			if ( $test_req->{ $p } ne '0' and $temp{ $p } eq '0' ) {
				$found_test->clear_requirement( $p );
				$found_test->add_minimum( $p => $runtime_req->{ $p } );
			}
		}
	}

	# remove 'perl' dep - we check it in MinimumVersion anyway
	delete $runtime_req->{'perl'} if exists $runtime_req->{'perl'};
	delete $test_req->{'perl'} if defined $test_req and exists $test_req->{'perl'};
	$found_runtime->clear_requirement( 'perl' );
	$found_test->clear_requirement( 'perl' );

	# Convert version objects to regular or we'll get something like this:
	# Compared $data->{"Test\:\:NoPlan"}
	#    got : 'v0.0.6'
	# expect : '0.0.6'
	$found_runtime = $found_runtime->as_string_hash;
	$found_runtime->{ $_ } =~ s/^v// for keys %$found_runtime;
	$runtime_req->{ $_ } =~ s/^v// for keys %$runtime_req;

	# Do the actual comparison!
	if ( defined $test_req ) {
		plan tests => 2;

		$found_test = $found_test->as_string_hash;
		$found_test->{ $_ } =~ s/^v// for keys %$found_test;
		$test_req->{ $_ } =~ s/^v// for keys %$test_req;

		# TODO interesting, somewhere deep in the build chain it auto-upgraded Test::More version...
		# I had 0.88 set but somehow 0.96 was in the META.yml argh!
		if ( $found_test->{'Test::More'} ne $test_req->{'Test::More'} ) {
			diag( 'Found weird Test::More version mismatch, ignoring it! (' . $found_test->{'Test::More'} . ' vs ' . $test_req->{'Test::More'} . ')' );
			$found_test->{'Test::More'} = $test_req->{'Test::More'};
		}
	} else {
		plan tests => 1;
	}

	cmp_deeply( $found_runtime, $runtime_req, "Runtime requires" );
	cmp_deeply( $found_test, $test_req, "Test requires" ) if defined $test_req;

	return;
}

1;

__END__

=pod

=encoding UTF-8

=for :stopwords Apocalypse Niebur Ryan metadata

=for Pod::Coverage do_test

=head1 NAME

Test::Apocalypse::Dependencies - Plugin to check for metadata dependencies

=head1 VERSION

  This document describes v1.004 of Test::Apocalypse::Dependencies - released October 24, 2014 as part of Test-Apocalypse.

=head1 DESCRIPTION

Loads the metadata and uses L<Perl::PrereqScanner> to look for dependencies and compares the lists.

=head1 SEE ALSO

Please see those modules/websites for more information related to this module.

=over 4

=item *

L<Test::Apocalypse|Test::Apocalypse>

=back

=head1 AUTHOR

Apocalypse <[e-mail]>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2014 by Apocalypse.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

The full text of the license can be found in the
F<LICENSE> file included with this distribution.

=head1 DISCLAIMER OF WARRANTY

THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.

=cut