[p5sagit/Module-Metadata.git] / t / metadata.t

#!/usr/bin/perl -w
# -*- mode: cperl; tab-width: 8; indent-tabs-mode: nil; basic-offset: 2 -*-
# vim:ts=8:sw=2:et:sta:sts=2

use strict;
use lib 't/lib';
use IO::File;
use MBTest;

my $undef;

# parse various module $VERSION lines
# these will be reversed later to create %modules
my @modules = (
  $undef => <<'---', # no $VERSION line
package Simple;
---
  $undef => <<'---', # undefined $VERSION
package Simple;
our $VERSION;
---
  '1.23' => <<'---', # declared & defined on same line with 'our'
package Simple;
our $VERSION = '1.23';
---
  '1.23' => <<'---', # declared & defined on separate lines with 'our'
package Simple;
our $VERSION;
$VERSION = '1.23';
---
  '1.23' => <<'---', # commented & defined on same line
package Simple;
our $VERSION = '1.23'; # our $VERSION = '4.56';
---
  '1.23' => <<'---', # commented & defined on separate lines
package Simple;
# our $VERSION = '4.56';
our $VERSION = '1.23';
---
  '1.23' => <<'---', # use vars
package Simple;
use vars qw( $VERSION );
$VERSION = '1.23';
---
  '1.23' => <<'---', # choose the right default package based on package/file name
package Simple::_private;
$VERSION = '0';
package Simple;
$VERSION = '1.23'; # this should be chosen for version
---
  '1.23' => <<'---', # just read the first $VERSION line
package Simple;
$VERSION = '1.23'; # we should see this line
$VERSION = eval $VERSION; # and ignore this one
---
  '1.23' => <<'---', # just read the first $VERSION line in reopened package (1)
package Simple;
$VERSION = '1.23';
package Error::Simple;
$VERSION = '2.34';
package Simple;
---
  '1.23' => <<'---', # just read the first $VERSION line in reopened package (2)
package Simple;
package Error::Simple;
$VERSION = '2.34';
package Simple;
$VERSION = '1.23';
---
  '1.23' => <<'---', # mentions another module's $VERSION
package Simple;
$VERSION = '1.23';
if ( $Other::VERSION ) {
    # whatever
}
---
  '1.23' => <<'---', # mentions another module's $VERSION in a different package
package Simple;
$VERSION = '1.23';
package Simple2;
if ( $Simple::VERSION ) {
    # whatever
}
---
  '1.23' => <<'---', # $VERSION checked only in assignments, not regexp ops
package Simple;
$VERSION = '1.23';
if ( $VERSION =~ /1\.23/ ) {
    # whatever
}
---
  '1.23' => <<'---', # $VERSION checked only in assignments, not relational ops
package Simple;
$VERSION = '1.23';
if ( $VERSION == 3.45 ) {
    # whatever
}
---
  '1.23' => <<'---', # $VERSION checked only in assignments, not relational ops
package Simple;
$VERSION = '1.23';
package Simple2;
if ( $Simple::VERSION == 3.45 ) {
    # whatever
}
---
  '1.23' => <<'---', # Fully qualified $VERSION declared in package
package Simple;
$Simple::VERSION = 1.23;
---
  '1.23' => <<'---', # Differentiate fully qualified $VERSION in a package
package Simple;
$Simple2::VERSION = '999';
$Simple::VERSION = 1.23;
---
  '1.23' => <<'---', # Differentiate fully qualified $VERSION and unqualified
package Simple;
$Simple2::VERSION = '999';
$VERSION = 1.23;
---
  '1.23' => <<'---', # $VERSION declared as package variable from within 'main' package
$Simple::VERSION = '1.23';
{
  package Simple;
  $x = $y, $cats = $dogs;
}
---
  '1.23' => <<'---', # $VERSION wrapped in parens - space inside
package Simple;
( $VERSION ) = '1.23';
---
  '1.23' => <<'---', # $VERSION wrapped in parens - no space inside
package Simple;
($VERSION) = '1.23';
---
  '1.23' => <<'---', # $VERSION follows a spurious 'package' in a quoted construct
package Simple;
__PACKAGE__->mk_accessors(qw(
    program socket proc
    package filename line codeline subroutine finished));

our $VERSION = "1.23";
---
  '1.23' => <<'---', # $VERSION using version.pm
  package Simple;
  use version; our $VERSION = version->new('1.23');
---
  '1.23' => <<'---', # $VERSION using version.pm and qv()
  package Simple;
  use version; our $VERSION = qv('1.230');
---
  '1.23' => <<'---', # Two version assignments, should ignore second one
  $Simple::VERSION = '1.230';
  $Simple::VERSION = eval $Simple::VERSION;
---
  '1.23' => <<'---', # declared & defined on same line with 'our'
package Simple;
our $VERSION = '1.23_00_00';
---
  '1.23' => <<'---', # package NAME VERSION
  package Simple 1.23;
---
  '1.23_01' => <<'---', # package NAME VERSION
  package Simple 1.23_01;
---
  'v1.2.3' => <<'---', # package NAME VERSION
  package Simple v1.2.3;
---
  'v1.2_3' => <<'---', # package NAME VERSION
  package Simple v1.2_3;
---
  '1.23' => <<'---', # trailing crud
  package Simple;
  our $VERSION;
  $VERSION = '1.23-alpha';
---
  '1.23' => <<'---', # trailing crud
  package Simple;
  our $VERSION;
  $VERSION = '1.23b';
---
  '1.234' => <<'---', # multi_underscore
  package Simple;
  our $VERSION;
  $VERSION = '1.2_3_4';
---
  '0' => <<'---', # non-numeric
  package Simple;
  our $VERSION;
  $VERSION = 'onetwothree';
---
  $undef => <<'---', # package NAME BLOCK, undef $VERSION
package Simple {
  our $VERSION;
}
---
  '1.23' => <<'---', # package NAME BLOCK, with $VERSION
package Simple {
  our $VERSION = '1.23';
}
---
  '1.23' => <<'---', # package NAME VERSION BLOCK
package Simple 1.23 {
  1;
}
---
  'v1.2.3_4' => <<'---', # package NAME VERSION BLOCK
package Simple v1.2.3_4 {
  1;
}
---
);
my %modules = reverse @modules;

plan tests => 52 + 2 * keys( %modules );

require_ok('Module::Metadata');

# class method C<find_module_by_name>
my $module = Module::Metadata->find_module_by_name(
               'Module::Metadata' );
ok( -e $module, 'find_module_by_name() succeeds' );

#########################

my $tmp = MBTest->tmpdir;

use DistGen;
my $dist = DistGen->new( dir => $tmp );
$dist->regen;

$dist->chdir_in;


# fail on invalid module name
my $pm_info = Module::Metadata->new_from_module(
		'Foo::Bar', inc => [] );
ok( !defined( $pm_info ), 'fail if can\'t find module by module name' );


# fail on invalid filename
my $file = File::Spec->catfile( 'Foo', 'Bar.pm' );
$pm_info = Module::Metadata->new_from_file( $file, inc => [] );
ok( !defined( $pm_info ), 'fail if can\'t find module by file name' );


# construct from module filename
$file = File::Spec->catfile( 'lib', split( /::/, $dist->name ) ) . '.pm';
$pm_info = Module::Metadata->new_from_file( $file );
ok( defined( $pm_info ), 'new_from_file() succeeds' );

# construct from filehandle
my $handle = IO::File->new($file);
$pm_info = Module::Metadata->new_from_handle( $handle, $file );
ok( defined( $pm_info ), 'new_from_handle() succeeds' );
$pm_info = Module::Metadata->new_from_handle( $handle );
is( $pm_info, undef, "new_from_handle() without filename returns undef" );
close($handle);

# construct from module name, using custom include path
$pm_info = Module::Metadata->new_from_module(
	     $dist->name, inc => [ 'lib', @INC ] );
ok( defined( $pm_info ), 'new_from_module() succeeds' );


foreach my $module ( sort keys %modules ) {
    my $expected = $modules{$module};
 SKIP: {
    skip( "No our() support until perl 5.6", 2 )
        if $] < 5.006 && $module =~ /\bour\b/;
    skip( "No package NAME VERSION support until perl 5.11.1", 2 )
        if $] < 5.011001 && $module =~ /package\s+[\w\:\']+\s+v?[0-9._]+/;

    $dist->change_file( 'lib/Simple.pm', $module );
    $dist->regen;

    my $warnings = '';
    local $SIG{__WARN__} = sub { $warnings .= $_ for @_ };
    my $pm_info = Module::Metadata->new_from_file( $file );

    # Test::Builder will prematurely numify objects, so use this form
    my $errs;
    my $got = $pm_info->version;
    if ( defined $expected ) {
        ok( $got eq $expected,
            "correct module version (expected '$expected')" )
            or $errs++;
    } else {
        ok( !defined($got),
            "correct module version (expected undef)" )
            or $errs++;
    }
    is( $warnings, '', 'no warnings from parsing' ) or $errs++;
    diag "Got: '$got'\nModule contents:\n$module" if $errs;
  }
}

# revert to pristine state
$dist->regen( clean => 1 );

# Find each package only once
$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23';
package Error::Simple;
$VERSION = '2.34';
package Simple;
---

$dist->regen;

$pm_info = Module::Metadata->new_from_file( $file );

my @packages = $pm_info->packages_inside;
is( @packages, 2, 'record only one occurence of each package' );


# Module 'Simple.pm' does not contain package 'Simple';
# constructor should not complain, no default module name or version
$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple::Not;
$VERSION = '1.23';
---

$dist->regen;
$pm_info = Module::Metadata->new_from_file( $file );

is( $pm_info->name, undef, 'no default package' );
is( $pm_info->version, undef, 'no version w/o default package' );

# Module 'Simple.pm' contains an alpha version
# constructor should report first $VERSION found
$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '1.23_01';
$VERSION = eval $VERSION;
---

$dist->regen;
$pm_info = Module::Metadata->new_from_file( $file );

is( $pm_info->version, '1.23_01', 'alpha version reported');

# NOTE the following test has be done this way because Test::Builder is
# too smart for our own good and tries to see if the version object is a
# dual-var, which breaks with alpha versions:
#    Argument "1.23_0100" isn't numeric in addition (+) at
#    /usr/lib/perl5/5.8.7/Test/Builder.pm line 505.

ok( $pm_info->version > 1.23, 'alpha version greater than non');

# revert to pristine state
$dist->regen( clean => 1 );

# parse $VERSION lines scripts for package main
my @scripts = (
  <<'---', # package main declared
#!perl -w
package main;
$VERSION = '0.01';
---
  <<'---', # on first non-comment line, non declared package main
#!perl -w
$VERSION = '0.01';
---
  <<'---', # after non-comment line
#!perl -w
use strict;
$VERSION = '0.01';
---
  <<'---', # 1st declared package
#!perl -w
package main;
$VERSION = '0.01';
package _private;
$VERSION = '999';
---
  <<'---', # 2nd declared package
#!perl -w
package _private;
$VERSION = '999';
package main;
$VERSION = '0.01';
---
  <<'---', # split package
#!perl -w
package main;
package _private;
$VERSION = '999';
package main;
$VERSION = '0.01';
---
  <<'---', # define 'main' version from other package
package _private;
$::VERSION = 0.01;
$VERSION = '999';
---
  <<'---', # define 'main' version from other package
package _private;
$VERSION = '999';
$::VERSION = 0.01;
---
);

my ( $i, $n ) = ( 1, scalar( @scripts ) );
foreach my $script ( @scripts ) {
  $dist->change_file( 'bin/simple.plx', $script );
  $dist->regen;
  $pm_info = Module::Metadata->new_from_file(
	       File::Spec->catfile( 'bin', 'simple.plx' ) );

  is( $pm_info->version, '0.01', "correct script version ($i of $n)" );
  $i++;
}


# examine properties of a module: name, pod, etc
$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '0.01';
package Simple::Ex;
$VERSION = '0.02';

=head1 NAME

Simple - It's easy.

=head1 AUTHOR

Simple Simon

You can find me on the IRC channel
#simon on irc.perl.org.

=cut
---
$dist->regen;

$pm_info = Module::Metadata->new_from_module(
             $dist->name, inc => [ 'lib', @INC ] );

is( $pm_info->name, 'Simple', 'found default package' );
is( $pm_info->version, '0.01', 'version for default package' );

# got correct version for secondary package
is( $pm_info->version( 'Simple::Ex' ), '0.02',
    'version for secondary package' );

my $filename = $pm_info->filename;
ok( defined( $filename ) && -e $filename,
    'filename() returns valid path to module file' );

@packages = $pm_info->packages_inside;
is( @packages, 2, 'found correct number of packages' );
is( $packages[0], 'Simple', 'packages stored in order found' );

# we can detect presence of pod regardless of whether we are collecting it
ok( $pm_info->contains_pod, 'contains_pod() succeeds' );

my @pod = $pm_info->pod_inside;
is_deeply( \@pod, [qw(NAME AUTHOR)], 'found all pod sections' );

is( $pm_info->pod('NONE') , undef,
    'return undef() if pod section not present' );

is( $pm_info->pod('NAME'), undef,
    'return undef() if pod section not collected' );


# collect_pod
$pm_info = Module::Metadata->new_from_module(
             $dist->name, inc => [ 'lib', @INC ], collect_pod => 1 );

{
  my %pod;
  for my $section (qw(NAME AUTHOR)) {
    my $content = $pm_info->pod( $section );
    if ( $content ) {
      $content =~ s/^\s+//;
      $content =~ s/\s+$//;
    }
    $pod{$section} = $content;
  }
  my %expected = (
    NAME   => q|Simple - It's easy.|,
    AUTHOR => <<'EXPECTED'
Simple Simon

You can find me on the IRC channel
#simon on irc.perl.org.
EXPECTED
  );
  for my $text (values %expected) {
    $text =~ s/^\s+//;
    $text =~ s/\s+$//;
  }
  is( $pod{NAME},   $expected{NAME},   'collected NAME pod section' );
  is( $pod{AUTHOR}, $expected{AUTHOR}, 'collected AUTHOR pod section' );
}

{
  # Make sure processing stops after __DATA__
  $dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '0.01';
__DATA__
*UNIVERSAL::VERSION = sub {
  foo();
};
---
  $dist->regen;

  $pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
  is( $pm_info->name, 'Simple', 'found default package' );
  is( $pm_info->version, '0.01', 'version for default package' );
  my @packages = $pm_info->packages_inside;
  is_deeply(\@packages, ['Simple'], 'packages inside');
}

{
  # Make sure we handle version.pm $VERSIONs well
  $dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = version->new('0.60.' . (qw$Revision: 128 $)[1]);
package Simple::Simon;
$VERSION = version->new('0.61.' . (qw$Revision: 129 $)[1]);
---
  $dist->regen;

  $pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
  is( $pm_info->name, 'Simple', 'found default package' );
  is( $pm_info->version, '0.60.128', 'version for default package' );
  my @packages = $pm_info->packages_inside;
  is_deeply([sort @packages], ['Simple', 'Simple::Simon'], 'packages inside');
  is( $pm_info->version('Simple::Simon'), '0.61.129', 'version for embedded package' );
}

# check that package_versions_from_directory works

$dist->change_file( 'lib/Simple.pm', <<'---' );
package Simple;
$VERSION = '0.01';
package Simple::Ex;
$VERSION = '0.02';
{
  package main; # should ignore this
}
{
  package DB; # should ignore this
}
{
  package Simple::_private; # should ignore this
}

=head1 NAME

Simple - It's easy.

=head1 AUTHOR

Simple Simon

=cut
---
$dist->regen;

my $exp_pvfd = {
  'Simple' => {
    'file' => 'Simple.pm',
    'version' => '0.01'
  },
  'Simple::Ex' => {
    'file' => 'Simple.pm',
    'version' => '0.02'
  }
};

my $got_pvfd = Module::Metadata->package_versions_from_directory('lib');

is_deeply( $got_pvfd, $exp_pvfd, "package_version_from_directory()" )
  or diag explain $got_pvfd;

{
  my $got_provides = Module::Metadata->provides(dir => 'lib', version => 2);
  my $exp_provides = {
    'Simple' => {
      'file' => 'lib/Simple.pm',
      'version' => '0.01'
    },
    'Simple::Ex' => {
      'file' => 'lib/Simple.pm',
      'version' => '0.02'
    }
  };

  is_deeply( $got_provides, $exp_provides, "provides()" )
    or diag explain $got_provides;
}

{
  my $got_provides = Module::Metadata->provides(dir => 'lib', prefix => 'other', version => 1.4);
  my $exp_provides = {
    'Simple' => {
      'file' => 'other/Simple.pm',
      'version' => '0.01'
    },
    'Simple::Ex' => {
      'file' => 'other/Simple.pm',
      'version' => '0.02'
    }
  };

  is_deeply( $got_provides, $exp_provides, "provides()" )
    or diag explain $got_provides;
}

# Check package_versions_from_directory with regard to case-sensitivity
{
  $dist->change_file( 'lib/Simple.pm', <<'---' );
package simple;
$VERSION = '0.01';
---
  $dist->regen;

  $pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
  is( $pm_info->name, undef, 'no default package' );
  is( $pm_info->version, undef, 'version for default package' );
  is( $pm_info->version('simple'), '0.01', 'version for lower-case package' );
  is( $pm_info->version('Simple'), undef, 'version for capitalized package' );

  $dist->change_file( 'lib/Simple.pm', <<'---' );
package simple;
$VERSION = '0.01';
package Simple;
$VERSION = '0.02';
package SiMpLe;
$VERSION = '0.03';
---
  $dist->regen;

  $pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
  is( $pm_info->name, 'Simple', 'found default package' );
  is( $pm_info->version, '0.02', 'version for default package' );
  is( $pm_info->version('simple'), '0.01', 'version for lower-case package' );
  is( $pm_info->version('Simple'), '0.02', 'version for capitalized package' );
  is( $pm_info->version('SiMpLe'), '0.03', 'version for mixed-case package' );
}
Commit	Line	Data
7a4e305a	1	#!/usr/bin/perl -w
	2	# -- mode: cperl; tab-width: 8; indent-tabs-mode: nil; basic-offset: 2 --
	3	# vim:ts=8:sw=2:et:sta:sts=2
	4
	5	use strict;
	6	use lib 't/lib';
f33c0a6c	7	use IO::File;
7a4e305a	8	use MBTest;
7a4e305a	9
975132cb	10	my $undef;
975132cb	11
7a4e305a	12	# parse various module $VERSION lines
	13	# these will be reversed later to create %modules
	14	my @modules = (
975132cb	15	$undef => <<'---', # no $VERSION line
	16	package Simple;
	17	---
	18	$undef => <<'---', # undefined $VERSION
	19	package Simple;
	20	our $VERSION;
	21	---
7a4e305a	22	'1.23' => <<'---', # declared & defined on same line with 'our'
	23	package Simple;
	24	our $VERSION = '1.23';
	25	---
	26	'1.23' => <<'---', # declared & defined on separate lines with 'our'
	27	package Simple;
	28	our $VERSION;
	29	$VERSION = '1.23';
	30	---
ad924b83	31	'1.23' => <<'---', # commented & defined on same line
	32	package Simple;
	33	our $VERSION = '1.23'; # our $VERSION = '4.56';
	34	---
	35	'1.23' => <<'---', # commented & defined on separate lines
	36	package Simple;
	37	# our $VERSION = '4.56';
	38	our $VERSION = '1.23';
	39	---
7a4e305a	40	'1.23' => <<'---', # use vars
	41	package Simple;
	42	use vars qw( $VERSION );
	43	$VERSION = '1.23';
	44	---
	45	'1.23' => <<'---', # choose the right default package based on package/file name
	46	package Simple::_private;
	47	$VERSION = '0';
	48	package Simple;
	49	$VERSION = '1.23'; # this should be chosen for version
	50	---
	51	'1.23' => <<'---', # just read the first $VERSION line
	52	package Simple;
	53	$VERSION = '1.23'; # we should see this line
	54	$VERSION = eval $VERSION; # and ignore this one
	55	---
	56	'1.23' => <<'---', # just read the first $VERSION line in reopened package (1)
	57	package Simple;
	58	$VERSION = '1.23';
	59	package Error::Simple;
	60	$VERSION = '2.34';
	61	package Simple;
	62	---
	63	'1.23' => <<'---', # just read the first $VERSION line in reopened package (2)
	64	package Simple;
	65	package Error::Simple;
	66	$VERSION = '2.34';
	67	package Simple;
	68	$VERSION = '1.23';
	69	---
	70	'1.23' => <<'---', # mentions another module's $VERSION
	71	package Simple;
	72	$VERSION = '1.23';
	73	if ( $Other::VERSION ) {
	74	# whatever
	75	}
	76	---
	77	'1.23' => <<'---', # mentions another module's $VERSION in a different package
	78	package Simple;
	79	$VERSION = '1.23';
	80	package Simple2;
	81	if ( $Simple::VERSION ) {
	82	# whatever
	83	}
	84	---
	85	'1.23' => <<'---', # $VERSION checked only in assignments, not regexp ops
	86	package Simple;
	87	$VERSION = '1.23';
	88	if ( $VERSION =~ /1\.23/ ) {
	89	# whatever
	90	}
	91	---
	92	'1.23' => <<'---', # $VERSION checked only in assignments, not relational ops
	93	package Simple;
	94	$VERSION = '1.23';
	95	if ( $VERSION == 3.45 ) {
	96	# whatever
	97	}
	98	---
	99	'1.23' => <<'---', # $VERSION checked only in assignments, not relational ops
	100	package Simple;
	101	$VERSION = '1.23';
	102	package Simple2;
	103	if ( $Simple::VERSION == 3.45 ) {
104	# whatever
105	}
106	---
107	'1.23' => <<'---', # Fully qualified $VERSION declared in package
108	package Simple;
109	$Simple::VERSION = 1.23;
110	---
111	'1.23' => <<'---', # Differentiate fully qualified $VERSION in a package
112	package Simple;
113	$Simple2::VERSION = '999';
114	$Simple::VERSION = 1.23;
115	---
116	'1.23' => <<'---', # Differentiate fully qualified $VERSION and unqualified
117	package Simple;
118	$Simple2::VERSION = '999';
119	$VERSION = 1.23;
120	---
121	'1.23' => <<'---', # $VERSION declared as package variable from within 'main' package
122	$Simple::VERSION = '1.23';
123	{
124	package Simple;
125	$x = $y, $cats = $dogs;
126	}
127	---
128	'1.23' => <<'---', # $VERSION wrapped in parens - space inside
129	package Simple;
130	( $VERSION ) = '1.23';
131	---
132	'1.23' => <<'---', # $VERSION wrapped in parens - no space inside
133	package Simple;
134	($VERSION) = '1.23';
135	---
136	'1.23' => <<'---', # $VERSION follows a spurious 'package' in a quoted construct
137	package Simple;
138	__PACKAGE__->mk_accessors(qw(
139	program socket proc
140	package filename line codeline subroutine finished));
141
142	our $VERSION = "1.23";
143	---
144	'1.23' => <<'---', # $VERSION using version.pm
145	package Simple;
146	use version; our $VERSION = version->new('1.23');
147	---
148	'1.23' => <<'---', # $VERSION using version.pm and qv()
149	package Simple;
150	use version; our $VERSION = qv('1.230');
151	---
152	'1.23' => <<'---', # Two version assignments, should ignore second one
153	$Simple::VERSION = '1.230';
154	$Simple::VERSION = eval $Simple::VERSION;
155	---
156	'1.23' => <<'---', # declared & defined on same line with 'our'
157	package Simple;
158	our $VERSION = '1.23_00_00';
159	---
160	'1.23' => <<'---', # package NAME VERSION
161	package Simple 1.23;
162	---
163	'1.23_01' => <<'---', # package NAME VERSION
164	package Simple 1.23_01;
165	---
166	'v1.2.3' => <<'---', # package NAME VERSION
167	package Simple v1.2.3;
168	---
169	'v1.2_3' => <<'---', # package NAME VERSION
170	package Simple v1.2_3;
171	---
92ad06ed	172	'1.23' => <<'---', # trailing crud
	173	package Simple;
	174	our $VERSION;
	175	$VERSION = '1.23-alpha';
	176	---
	177	'1.23' => <<'---', # trailing crud
	178	package Simple;
	179	our $VERSION;
	180	$VERSION = '1.23b';
	181	---
	182	'1.234' => <<'---', # multi_underscore
	183	package Simple;
	184	our $VERSION;
	185	$VERSION = '1.2_3_4';
	186	---
	187	'0' => <<'---', # non-numeric
	188	package Simple;
	189	our $VERSION;
	190	$VERSION = 'onetwothree';
	191	---
710f253f	192	$undef => <<'---', # package NAME BLOCK, undef $VERSION
	193	package Simple {
	194	our $VERSION;
	195	}
	196	---
	197	'1.23' => <<'---', # package NAME BLOCK, with $VERSION
	198	package Simple {
	199	our $VERSION = '1.23';
	200	}
	201	---
	202	'1.23' => <<'---', # package NAME VERSION BLOCK
	203	package Simple 1.23 {
	204	1;
	205	}
	206	---
	207	'v1.2.3_4' => <<'---', # package NAME VERSION BLOCK
	208	package Simple v1.2.3_4 {
	209	1;
	210	}
	211	---
7a4e305a	212	);
	213	my %modules = reverse @modules;
	214
617f8754	215	plan tests => 52 + 2 * keys( %modules );
7a4e305a	216
	217	require_ok('Module::Metadata');
	218
1abfcc9a	219	# class method C<find_module_by_name>
	220	my $module = Module::Metadata->find_module_by_name(
	221	'Module::Metadata' );
	222	ok( -e $module, 'find_module_by_name() succeeds' );
	223
	224	#########################
	225
7a4e305a	226	my $tmp = MBTest->tmpdir;
	227
	228	use DistGen;
	229	my $dist = DistGen->new( dir => $tmp );
	230	$dist->regen;
	231
	232	$dist->chdir_in;
	233
7a4e305a	234
	235	# fail on invalid module name
	236	my $pm_info = Module::Metadata->new_from_module(
	237	'Foo::Bar', inc => [] );
	238	ok( !defined( $pm_info ), 'fail if can\'t find module by module name' );
	239
	240
	241	# fail on invalid filename
	242	my $file = File::Spec->catfile( 'Foo', 'Bar.pm' );
	243	$pm_info = Module::Metadata->new_from_file( $file, inc => [] );
	244	ok( !defined( $pm_info ), 'fail if can\'t find module by file name' );
	245
	246
	247	# construct from module filename
	248	$file = File::Spec->catfile( 'lib', split( /::/, $dist->name ) ) . '.pm';
	249	$pm_info = Module::Metadata->new_from_file( $file );
	250	ok( defined( $pm_info ), 'new_from_file() succeeds' );
	251
f33c0a6c	252	# construct from filehandle
	253	my $handle = IO::File->new($file);
	254	$pm_info = Module::Metadata->new_from_handle( $handle, $file );
	255	ok( defined( $pm_info ), 'new_from_handle() succeeds' );
	256	$pm_info = Module::Metadata->new_from_handle( $handle );
	257	is( $pm_info, undef, "new_from_handle() without filename returns undef" );
02a3d478	258	close($handle);
f33c0a6c	259
7a4e305a	260	# construct from module name, using custom include path
	261	$pm_info = Module::Metadata->new_from_module(
	262	$dist->name, inc => [ 'lib', @INC ] );
	263	ok( defined( $pm_info ), 'new_from_module() succeeds' );
	264
	265
	266	foreach my $module ( sort keys %modules ) {
	267	my $expected = $modules{$module};
	268	SKIP: {
	269	skip( "No our() support until perl 5.6", 2 )
	270	if $] < 5.006 && $module =~ /\bour\b/;
	271	skip( "No package NAME VERSION support until perl 5.11.1", 2 )
	272	if $] < 5.011001 && $module =~ /package\s+[\w\:\']+\s+v?[0-9._]+/;
	273
	274	$dist->change_file( 'lib/Simple.pm', $module );
	275	$dist->regen;
	276
	277	my $warnings = '';
	278	local $SIG{__WARN__} = sub { $warnings .= $_ for @_ };
	279	my $pm_info = Module::Metadata->new_from_file( $file );
	280
	281	# Test::Builder will prematurely numify objects, so use this form
	282	my $errs;
975132cb	283	my $got = $pm_info->version;
	284	if ( defined $expected ) {
	285	ok( $got eq $expected,
	286	"correct module version (expected '$expected')" )
	287	or $errs++;
	288	} else {
	289	ok( !defined($got),
	290	"correct module version (expected undef)" )
	291	or $errs++;
	292	}
7a4e305a	293	is( $warnings, '', 'no warnings from parsing' ) or $errs++;
975132cb	294	diag "Got: '$got'\nModule contents:\n$module" if $errs;
7a4e305a	295	}
	296	}
	297
	298	# revert to pristine state
	299	$dist->regen( clean => 1 );
	300
	301	# Find each package only once
	302	$dist->change_file( 'lib/Simple.pm', <<'---' );
	303	package Simple;
	304	$VERSION = '1.23';
	305	package Error::Simple;
	306	$VERSION = '2.34';
	307	package Simple;
	308	---
	309
	310	$dist->regen;
	311
	312	$pm_info = Module::Metadata->new_from_file( $file );
	313
	314	my @packages = $pm_info->packages_inside;
	315	is( @packages, 2, 'record only one occurence of each package' );
	316
	317
	318	# Module 'Simple.pm' does not contain package 'Simple';
	319	# constructor should not complain, no default module name or version
	320	$dist->change_file( 'lib/Simple.pm', <<'---' );
	321	package Simple::Not;
	322	$VERSION = '1.23';
	323	---
	324
	325	$dist->regen;
	326	$pm_info = Module::Metadata->new_from_file( $file );
	327
	328	is( $pm_info->name, undef, 'no default package' );
	329	is( $pm_info->version, undef, 'no version w/o default package' );
	330
	331	# Module 'Simple.pm' contains an alpha version
	332	# constructor should report first $VERSION found
	333	$dist->change_file( 'lib/Simple.pm', <<'---' );
	334	package Simple;
	335	$VERSION = '1.23_01';
	336	$VERSION = eval $VERSION;
	337	---
	338
	339	$dist->regen;
	340	$pm_info = Module::Metadata->new_from_file( $file );
	341
	342	is( $pm_info->version, '1.23_01', 'alpha version reported');
	343
	344	# NOTE the following test has be done this way because Test::Builder is
	345	# too smart for our own good and tries to see if the version object is a
	346	# dual-var, which breaks with alpha versions:
	347	# Argument "1.23_0100" isn't numeric in addition (+) at
	348	# /usr/lib/perl5/5.8.7/Test/Builder.pm line 505.
	349
	350	ok( $pm_info->version > 1.23, 'alpha version greater than non');
	351
	352	# revert to pristine state
	353	$dist->regen( clean => 1 );
	354
	355	# parse $VERSION lines scripts for package main
	356	my @scripts = (
	357	<<'---', # package main declared
	358	#!perl -w
359	package main;
360	$VERSION = '0.01';
361	---
362	<<'---', # on first non-comment line, non declared package main
363	#!perl -w
364	$VERSION = '0.01';
365	---
366	<<'---', # after non-comment line
367	#!perl -w
368	use strict;
369	$VERSION = '0.01';
370	---
371	<<'---', # 1st declared package
372	#!perl -w
373	package main;
374	$VERSION = '0.01';
375	package _private;
376	$VERSION = '999';
377	---
378	<<'---', # 2nd declared package
379	#!perl -w
380	package _private;
381	$VERSION = '999';
382	package main;
383	$VERSION = '0.01';
384	---
385	<<'---', # split package
386	#!perl -w
387	package main;
388	package _private;
389	$VERSION = '999';
390	package main;
391	$VERSION = '0.01';
392	---
393	<<'---', # define 'main' version from other package
394	package _private;
395	$::VERSION = 0.01;
396	$VERSION = '999';
397	---
398	<<'---', # define 'main' version from other package
399	package _private;
400	$VERSION = '999';
401	$::VERSION = 0.01;
402	---
403	);
404
405	my ( $i, $n ) = ( 1, scalar( @scripts ) );
406	foreach my $script ( @scripts ) {
407	$dist->change_file( 'bin/simple.plx', $script );
408	$dist->regen;
409	$pm_info = Module::Metadata->new_from_file(
410	File::Spec->catfile( 'bin', 'simple.plx' ) );
411
412	is( $pm_info->version, '0.01', "correct script version ($i of $n)" );
413	$i++;
414	}
415
416
417	# examine properties of a module: name, pod, etc
418	$dist->change_file( 'lib/Simple.pm', <<'---' );
419	package Simple;
420	$VERSION = '0.01';
421	package Simple::Ex;
422	$VERSION = '0.02';
388bf282	423
7a4e305a	424	=head1 NAME
	425
	426	Simple - It's easy.
	427
	428	=head1 AUTHOR
	429
	430	Simple Simon
	431
81ce8c82	432	You can find me on the IRC channel
	433	#simon on irc.perl.org.
	434
7a4e305a	435	=cut
	436	---
	437	$dist->regen;
	438
	439	$pm_info = Module::Metadata->new_from_module(
	440	$dist->name, inc => [ 'lib', @INC ] );
	441
	442	is( $pm_info->name, 'Simple', 'found default package' );
	443	is( $pm_info->version, '0.01', 'version for default package' );
	444
	445	# got correct version for secondary package
	446	is( $pm_info->version( 'Simple::Ex' ), '0.02',
	447	'version for secondary package' );
	448
	449	my $filename = $pm_info->filename;
	450	ok( defined( $filename ) && -e $filename,
	451	'filename() returns valid path to module file' );
	452
	453	@packages = $pm_info->packages_inside;
	454	is( @packages, 2, 'found correct number of packages' );
	455	is( $packages[0], 'Simple', 'packages stored in order found' );
	456
	457	# we can detect presence of pod regardless of whether we are collecting it
	458	ok( $pm_info->contains_pod, 'contains_pod() succeeds' );
	459
	460	my @pod = $pm_info->pod_inside;
	461	is_deeply( \@pod, [qw(NAME AUTHOR)], 'found all pod sections' );
	462
	463	is( $pm_info->pod('NONE') , undef,
	464	'return undef() if pod section not present' );
	465
	466	is( $pm_info->pod('NAME'), undef,
	467	'return undef() if pod section not collected' );
	468
	469
	470	# collect_pod
	471	$pm_info = Module::Metadata->new_from_module(
	472	$dist->name, inc => [ 'lib', @INC ], collect_pod => 1 );
	473
617f8754	474	{
	475	my %pod;
	476	for my $section (qw(NAME AUTHOR)) {
	477	my $content = $pm_info->pod( $section );
	478	if ( $content ) {
	479	$content =~ s/^\s+//;
	480	$content =~ s/\s+$//;
	481	}
	482	$pod{$section} = $content;
	483	}
81ce8c82	484	my %expected = (
	485	NAME => q\|Simple - It's easy.\|,
	486	AUTHOR => <<'EXPECTED'
	487	Simple Simon
	488
	489	You can find me on the IRC channel
	490	#simon on irc.perl.org.
	491	EXPECTED
	492	);
	493	for my $text (values %expected) {
	494	$text =~ s/^\s+//;
	495	$text =~ s/\s+$//;
	496	}
	497	is( $pod{NAME}, $expected{NAME}, 'collected NAME pod section' );
	498	is( $pod{AUTHOR}, $expected{AUTHOR}, 'collected AUTHOR pod section' );
7a4e305a	499	}
7a4e305a	500
	501	{
	502	# Make sure processing stops after __DATA__
	503	$dist->change_file( 'lib/Simple.pm', <<'---' );
	504	package Simple;
	505	$VERSION = '0.01';
	506	__DATA__
	507	*UNIVERSAL::VERSION = sub {
	508	foo();
	509	};
	510	---
	511	$dist->regen;
	512
	513	$pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
	514	is( $pm_info->name, 'Simple', 'found default package' );
	515	is( $pm_info->version, '0.01', 'version for default package' );
	516	my @packages = $pm_info->packages_inside;
	517	is_deeply(\@packages, ['Simple'], 'packages inside');
	518	}
	519
	520	{
	521	# Make sure we handle version.pm $VERSIONs well
	522	$dist->change_file( 'lib/Simple.pm', <<'---' );
	523	package Simple;
	524	$VERSION = version->new('0.60.' . (qw$Revision: 128 $)[1]);
	525	package Simple::Simon;
	526	$VERSION = version->new('0.61.' . (qw$Revision: 129 $)[1]);
	527	---
	528	$dist->regen;
	529
	530	$pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
	531	is( $pm_info->name, 'Simple', 'found default package' );
	532	is( $pm_info->version, '0.60.128', 'version for default package' );
	533	my @packages = $pm_info->packages_inside;
	534	is_deeply([sort @packages], ['Simple', 'Simple::Simon'], 'packages inside');
	535	is( $pm_info->version('Simple::Simon'), '0.61.129', 'version for embedded package' );
	536	}
	537
388bf282	538	# check that package_versions_from_directory works
	539
	540	$dist->change_file( 'lib/Simple.pm', <<'---' );
	541	package Simple;
	542	$VERSION = '0.01';
	543	package Simple::Ex;
	544	$VERSION = '0.02';
	545	{
	546	package main; # should ignore this
	547	}
	548	{
	549	package DB; # should ignore this
	550	}
	551	{
	552	package Simple::_private; # should ignore this
	553	}
	554
	555	=head1 NAME
	556
	557	Simple - It's easy.
	558
	559	=head1 AUTHOR
	560
	561	Simple Simon
	562
	563	=cut
	564	---
	565	$dist->regen;
	566
	567	my $exp_pvfd = {
	568	'Simple' => {
	569	'file' => 'Simple.pm',
	570	'version' => '0.01'
	571	},
	572	'Simple::Ex' => {
	573	'file' => 'Simple.pm',
	574	'version' => '0.02'
	575	}
	576	};
	577
	578	my $got_pvfd = Module::Metadata->package_versions_from_directory('lib');
	579
ca33f3bd	580	is_deeply( $got_pvfd, $exp_pvfd, "package_version_from_directory()" )
388bf282	581	or diag explain $got_pvfd;
ca33f3bd	582
ca33f3bd	583	{
c06d0187	584	my $got_provides = Module::Metadata->provides(dir => 'lib', version => 2);
ca33f3bd	585	my $exp_provides = {
	586	'Simple' => {
	587	'file' => 'lib/Simple.pm',
	588	'version' => '0.01'
	589	},
	590	'Simple::Ex' => {
	591	'file' => 'lib/Simple.pm',
	592	'version' => '0.02'
	593	}
	594	};
	595
	596	is_deeply( $got_provides, $exp_provides, "provides()" )
	597	or diag explain $got_provides;
	598	}
	599
	600	{
c06d0187	601	my $got_provides = Module::Metadata->provides(dir => 'lib', prefix => 'other', version => 1.4);
ca33f3bd	602	my $exp_provides = {
	603	'Simple' => {
	604	'file' => 'other/Simple.pm',
	605	'version' => '0.01'
	606	},
	607	'Simple::Ex' => {
	608	'file' => 'other/Simple.pm',
	609	'version' => '0.02'
	610	}
	611	};
	612
	613	is_deeply( $got_provides, $exp_provides, "provides()" )
	614	or diag explain $got_provides;
	615	}
3c614865	616
	617	# Check package_versions_from_directory with regard to case-sensitivity
	618	{
	619	$dist->change_file( 'lib/Simple.pm', <<'---' );
	620	package simple;
	621	$VERSION = '0.01';
	622	---
	623	$dist->regen;
	624
	625	$pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
	626	is( $pm_info->name, undef, 'no default package' );
	627	is( $pm_info->version, undef, 'version for default package' );
	628	is( $pm_info->version('simple'), '0.01', 'version for lower-case package' );
	629	is( $pm_info->version('Simple'), undef, 'version for capitalized package' );
	630
	631	$dist->change_file( 'lib/Simple.pm', <<'---' );
	632	package simple;
	633	$VERSION = '0.01';
	634	package Simple;
	635	$VERSION = '0.02';
	636	package SiMpLe;
	637	$VERSION = '0.03';
	638	---
	639	$dist->regen;
	640
	641	$pm_info = Module::Metadata->new_from_file('lib/Simple.pm');
	642	is( $pm_info->name, 'Simple', 'found default package' );
	643	is( $pm_info->version, '0.02', 'version for default package' );
	644	is( $pm_info->version('simple'), '0.01', 'version for lower-case package' );
	645	is( $pm_info->version('Simple'), '0.02', 'version for capitalized package' );
	646	is( $pm_info->version('SiMpLe'), '0.03', 'version for mixed-case package' );
	647	}