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|
#!perl -w
use strict;
use Test::More;
my $base_key;
##############################################################################
# Figure out if the current configuration can handle OO callbacks.
BEGIN {
plan skip_all => 'Object-oriented callbacks require Perl 5.6.0 or later'
if $] < 5.006;
plan skip_all => 'Attribute::Handlers and Class::ISA required for' .
' object-oriented callbacks'
unless eval { require Attribute::Handlers }
and eval { require Class::ISA };
plan tests => 48;
$base_key = 'OOTester';
}
##############################################################################
# Set up the base callback class.
##############################################################################
package Params::Callback::TestObjects;
use strict;
use base 'Params::Callback';
use constant CLASS_KEY => $base_key;
use constant DEFAULT_PRIORITY => 3;
__PACKAGE__->register_subclass;
sub upperit : PreCallback {
my $self = shift;
my $params = $self->params;
if ($params->{do_upper}) {
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, __PACKAGE__);
$params->{result} = uc $params->{result};
}
}
sub lowerit : PostCallback {
my $self = shift;
my $params = $self->params;
if ($params->{do_lower}) {
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, __PACKAGE__);
$params->{result} = lc $params->{result};
}
}
sub pre_post : Callback {
my $self = shift;
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, __PACKAGE__);
main::is($self->priority, 3, "Check default priority constant" );
my $params = $self->params;
$params->{chk_post} = 1;
}
sub requestit : Callback {
my $self = shift;
my $value = $self->value;
my $requester = $self->requester;
main::is ref $requester || $requester, $value, "Request is '$value'";
}
sub chk_post : PostCallback {
my $self = shift;
my $params = $self->params;
if ($params->{chk_post}) {
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, __PACKAGE__);
# Most of the methods should return undefined values.
my @res;
foreach my $meth (qw(value pkg_key cb_key priority trigger_key)) {
push @res, "$meth => '", $self->$meth, "'\n" if $self->$meth;
}
if (@res) {
$params->{result} = "Oops, some of the accessors have values: @res";
} else {
$params->{result} = 'Attributes okay';
}
}
}
##############################################################################
# Now set up an a subclass that overrides pre and post execution callbacks,
# and provides a couple of new ones, too.
##############################################################################
package Params::Callback::TestObjects::Sub;
use strict;
use base 'Params::Callback::TestObjects';
use constant CLASS_KEY => $base_key . 'Sub';
__PACKAGE__->register_subclass;
sub upperit : PreCallback {
my $self = shift;
$self->SUPER::upperit;
my $params = $self->params;
if ($params->{do_upper}) {
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, 'Params::Callback::TestObjects');
main::isa_ok($self, __PACKAGE__);
$params->{result} .= ' Overridden';
}
}
sub lowerit : PostCallback {
my $self = shift;
$self->SUPER::lowerit;
my $params = $self->params;
if ($params->{do_lower}) {
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, 'Params::Callback::TestObjects');
main::isa_ok($self, __PACKAGE__);
$params->{result} .= ' Overridden';
}
}
# Try totally new methods.
sub sub_pre : PreCallback {
my $self = shift;
my $params = $self->params;
if ($params->{do_lower} or $params->{do_upper}) {
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, 'Params::Callback::TestObjects');
main::isa_ok($self, __PACKAGE__);
$params->{result} .= ' PreCallback';
}
}
sub sub_post : PostCallback {
my $self = shift;
my $params = $self->params;
if ($params->{do_lower} or $params->{do_upper}) {
main::isa_ok($self, 'Params::Callback');
main::isa_ok($self, 'Params::Callback::TestObjects');
main::isa_ok($self, __PACKAGE__);
$params->{result} .= ' PostCallback';
}
}
1;
##############################################################################
# Move along, little doggies!
##############################################################################
package main;
use strict;
use_ok( 'Params::CallbackRequest' );
##############################################################################
# Make sure that the base pre and post callbacks work properly. Start with
# post.
ok( my $cb_request = Params::CallbackRequest->new(cb_classes => [$base_key]),
"Construct base callback CBExec" );
##############################################################################
# Start with post.
my %params = (do_lower => 1,
result => 'LOWER ME, BABY!');
ok( $cb_request->request(\%params), "Execute post callback" );
is( $params{result}, 'lower me, baby!', "Check post callback result" );
##############################################################################
# Now check pre.
%params = (do_upper => 1,
result => 'taKe mE uP!');
ok( $cb_request->request(\%params), "Execute pre callback" );
is( $params{result}, 'TAKE ME UP!', "Check pre callback result" );
##############################################################################
# Make sure that pre and post execution callback inheritance works properly.
ok( $cb_request = Params::CallbackRequest->new
(cb_classes => [$base_key . 'Sub']),
"Construct subclasseed callback CBExec" );
##############################################################################
# Post first.
%params = (do_lower => 1,
result => 'LOWER ME');
ok( $cb_request->request(\%params), "Test subclassed post callback" );
is( $params{result}, 'lower me precallback Overridden PostCallback',
"Check subclassed post callback result" );
##############################################################################
# Now check pre.
%params = (do_upper => 1,
result => 'taKe mE uP aGain!');
ok( $cb_request->request(\%params), "Execute subclassed pre callback" );
is( $params{result}, 'TAKE ME UP AGAIN! Overridden PreCallback PostCallback',
"Check subclassed pre callback result" );
##############################################################################
# Check that no of the unneeded attributes are populated during request
# callbacks.
%params = ("$base_key|pre_post_cb" => 1);
ok( $cb_request->request(\%params), "Execute attribute check callback" );
is( $params{result}, 'Attributes okay', "Check attribute check result" );
##############################################################################
# Check that requester is properly passed.
%params = ("$base_key|requestit_cb" => 'foo');
ok( $cb_request->request(\%params, requester => 'foo'),
"Execute request callback" );
%params = ("$base_key|requestit_cb" => ref $cb_request );
ok( $cb_request->request(\%params, requester => $cb_request ),
"Execute request as object callback" );
1;
__END__
|
