metadata.t

source of perl for linux application,

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Simple;
---
$dist->regen( clean => 1 );
$mb = new_build();
is_deeply($mb->find_dist_packages,
	  {'Simple' => { file => $simple_file,
			 version => '1.23' }});
$dist->remove_file( 'lib/Simple2.pm' );


# Multiple files with same package,
#   single version in non-corresponding package
# Simple.pm  => Simple
# Simple2.pm => Simple v1.23

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->regen( clean => 1 );
$mb = new_build();
is_deeply($mb->find_dist_packages,
	  {'Simple' => { file => $simple2_file,
			 version => '1.23' }});
$dist->remove_file( 'lib/Simple2.pm' );


# Multiple files with same package, conflicting versions
# Simple.pm  => Simple v1.23
# Simple2.pm => Simple v2.34

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Simple;
$VERSION = '2.34';
---
$dist->regen( clean => 1 );
$mb = new_build();
$err = stderr_of( sub { $provides = $mb->find_dist_packages } );
is_deeply($provides,
	  {'Simple' => { file => $simple_file,
			 version => '1.23' }});
like( $err, qr/Found conflicting versions for package/,
      '  with conflicting versions reported' );
$dist->remove_file( 'lib/Simple2.pm' );


# Multiple files with same package, multiple agreeing versions
# Simple.pm  => Simple v1.23
# Simple2.pm => Simple v1.23

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->regen( clean => 1 );
$mb = new_build();
$err = stderr_of( sub { $provides = $mb->find_dist_packages } );
is_deeply($provides,
	  {'Simple' => { file => $simple_file,
			 version => '1.23' }});
$dist->remove_file( 'lib/Simple2.pm' );


############################################################
#
# (Same as above five cases except with non-corresponding package)
#

# Multiple files with same package, no version
# Simple.pm  => Foo
# Simple2.pm => Foo

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Foo;
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Foo;
---
$dist->regen( clean => 1 );
$mb = new_build();
$provides = $mb->find_dist_packages;
ok( exists( $provides->{Foo} ) ); # it exist, can't predict which file
$dist->remove_file( 'lib/Simple2.pm' );


# Multiple files with same package, version in first file
# Simple.pm  => Foo v1.23
# Simple2.pm => Foo

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Foo;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Foo;
---
$dist->regen( clean => 1 );
$mb = new_build();
is_deeply($mb->find_dist_packages,
	  {'Foo' => { file => $simple_file,
		      version => '1.23' }});
$dist->remove_file( 'lib/Simple2.pm' );


# Multiple files with same package, version in second file
# Simple.pm  => Foo
# Simple2.pm => Foo v1.23

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Foo;
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Foo;
$VERSION = '1.23';
---
$dist->regen( clean => 1 );
$mb = new_build();
is_deeply($mb->find_dist_packages,
	  {'Foo' => { file => $simple2_file,
		      version => '1.23' }});
$dist->remove_file( 'lib/Simple2.pm' );


# Multiple files with same package, conflicting versions
# Simple.pm  => Foo v1.23
# Simple2.pm => Foo v2.34

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Foo;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Foo;
$VERSION = '2.34';
---
$dist->regen( clean => 1 );
$mb = new_build();
$err = stderr_of( sub { $provides = $mb->find_dist_packages } );
# XXX Should 'Foo' exist ??? Can't predict values for file & version
ok( exists( $provides->{Foo} ) );
like( $err, qr/Found conflicting versions for package/,
      '  with conflicting versions reported' );
$dist->remove_file( 'lib/Simple2.pm' );


# Multiple files with same package, multiple agreeing versions
# Simple.pm  => Foo v1.23
# Simple2.pm => Foo v1.23

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Foo;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Foo;
$VERSION = '1.23';
---
$dist->regen( clean => 1 );
$mb = new_build();
$err = stderr_of( sub { $provides = $mb->find_dist_packages } );
ok( exists( $provides->{Foo} ) );
is( $provides->{Foo}{version}, '1.23' );
ok( exists( $provides->{Foo}{file} ) ); # Can't predict which file
is( $err, '', '  no conflicts reported' );
$dist->remove_file( 'lib/Simple2.pm' );

############################################################
# Conflicts among primary & multiple alternatives

# multiple files, conflicting version in corresponding file
$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Simple;
$VERSION = '2.34';
---
$dist->add_file( 'lib/Simple3.pm', <<'---' );
package Simple;
$VERSION = '2.34';
---
$dist->regen( clean => 1 );
$err = stderr_of( sub {
  $mb = new_build();
} );
$err = stderr_of( sub { $provides = $mb->find_dist_packages } );
is_deeply($provides,
	  {'Simple' => { file => $simple_file,
			 version => '1.23' }});
like( $err, qr/Found conflicting versions for package/,
      '  corresponding package conflicts with multiple alternatives' );
$dist->remove_file( 'lib/Simple2.pm' );
$dist->remove_file( 'lib/Simple3.pm' );

# multiple files, conflicting version in non-corresponding file
$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple2.pm', <<'---' );
package Simple;
$VERSION = '1.23';
---
$dist->add_file( 'lib/Simple3.pm', <<'---' );
package Simple;
$VERSION = '2.34';
---
$dist->regen( clean => 1 );
$err = stderr_of( sub {
  $mb = new_build();
} );
$err = stderr_of( sub { $provides = $mb->find_dist_packages } );
is_deeply($provides,
	  {'Simple' => { file => $simple_file,
			 version => '1.23' }});
like( $err, qr/Found conflicting versions for package/,
      '  only one alternative conflicts with corresponding package' );
$dist->remove_file( 'lib/Simple2.pm' );
$dist->remove_file( 'lib/Simple3.pm' );


############################################################
# Don't record private packages (beginning with underscore)
# Simple.pm => Simple::_private
# Simple.pm => Simple::_private::too

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23';
package Simple::_private;
$VERSION = '2.34';
package Simple::_private::too;
$VERSION = '3.45';
---
$dist->regen( clean => 1 );
$mb = new_build();
is_deeply($mb->find_dist_packages,
	  {'Simple' => { file => $simple_file,
			 version => '1.23' }});


############################################################
# Files with no packages?

# Simple.pm => <empty>

$dist->change_file( 'lib/Simple.pm', '' );
$dist->regen( clean => 1 );
$mb = new_build();
is_deeply( $mb->find_dist_packages, {} );

# Simple.pm => =pod..=cut (no package declaration)
$dist->change_file( 'lib/Simple.pm', <<'---' );
=pod

=head1 NAME

Simple - Pure Documentation

=head1 DESCRIPTION

Doesn't do anything.

=cut
---
$dist->regen( clean => 1 );
$mb = new_build();
is_deeply($mb->find_dist_packages, {});

############################################################
# cleanup
chdir( $cwd ) or die "Can't chdir to '$cwd': $!";
$dist->remove;

use File::Path;
rmtree( $tmp );