JFIF$        dd7 

Viewing File: /usr/share/doc/perl-Sub-Exporter/t/collection.t

#!/usr/bin/perl -T
use strict;
use warnings;

=head1 TEST PURPOSE

These tests exercise the handling of collections in the exporter option lists.

=cut

use Test::More tests => 8;
use Data::OptList qw(mkopt_hash);

BEGIN { use_ok('Sub::Exporter'); }

sub is_defined {
  my ($class, $value, $arg) = @_;
  return defined $value;
}

my $config = {
  exports => [
    qw(circsaw drill handsaw nailgun),
    hammer => sub { sub { print "BANG BANG BANG\n" } },
  ],
  groups => {
    default => [
      'handsaw',
      'hammer'  => { claw => 1 },
    ],
    cutters => [ qw(circsaw handsaw), circsaw => { as => 'buzzsaw' } ],
  },
  collectors => [
    'defaults',
    brand_preference => sub { 0 },
    model_preference => sub { 1 },
    sets_own_value   => sub { $_[0] = { foo => 10 } },
    definedp         => \'is_defined',
  ]
};

$config->{$_} = mkopt_hash($config->{$_})
  for qw(exports collectors);

{
  my $collection = Sub::Exporter::_collect_collections(
    $config, 
    [ [ circsaw => undef ], [ defaults => { foo => 1, bar => 2 } ] ],
    'main',
  );

  is_deeply(
    $collection,
    { defaults => { foo => 1, bar => 2 } },
    "collection returned properly from collector",
  );
}

{
  my $collection = Sub::Exporter::_collect_collections(
    $config, 
    [ [ sets_own_value => undef ] ],
    'main',
  );

  is_deeply(
    $collection,
    { sets_own_value => { foo => 10} },
    "a collector can alter the stack to change its own value",
  );
}

{
  my $arg = [ [ defaults => [ 1 ] ], [ defaults => { foo => 1, bar => 2 } ] ];

  eval { Sub::Exporter::_collect_collections($config, $arg, 'main'); };
  like(
    $@,
    qr/collection \S+ provided multiple/,
    "can't provide multiple collection values",
  );
}

{
  # because the brand_preference validator always fails, this should die
  my $arg = [ [ brand_preference => [ 1, 2, 3 ] ] ];
  eval { Sub::Exporter::_collect_collections($config, $arg, 'main') };
  like(
    $@,
    qr/brand_preference failed validation/,
    "collector validator prevents bad export"
  );
}

{
  # the definedp collector should require a defined value; this should be ok
  my $arg = [ [ definedp => {} ] ];
  my $collection = Sub::Exporter::_collect_collections($config, $arg, 'main');
  is_deeply(
    $collection,
    { definedp => {} },
    "collector validator allows collection"
  );
}

{
  # the definedp collector should require a defined value; this should die
  my $arg = [ [ definedp => undef ] ];
  eval { Sub::Exporter::_collect_collections($config, $arg, 'main') };
  like(
    $@,
    qr/definedp failed validation/,
    "collector validator prevents bad export"
  );
}

{
  my $arg = [ [ model_preference => [ 1, 2, 3 ] ] ];
  my $collection = Sub::Exporter::_collect_collections($config, $arg, 'main');
  is_deeply(
    $collection,
    { model_preference => [ 1, 2, 3 ] },
    "true-returning validator allows collection",
  );
}
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg