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Re^8: Problem with around BUILDARGS

by saintex (Scribe)
on Apr 22, 2011 at 10:00 UTC ( #900795=note: print w/replies, xml ) Need Help??


in reply to Re^7: Problem with around BUILDARGS
in thread Problem with around BUILDARGS

Hello,
This is the class.

Thank you!

package Selenium2; our $VERSION=0.01; use 5.010; use Moose; use MooseX::NonMoose; use FindBin qw($Bin); use lib ("$Bin/classes","$Bin/classes/browser"); use Test::WWW::Selenium; use WWW::Selenium::Util qw/server_is_running/; extends 'Test::WWW::Selenium'; has 'serverLocation' => (is=>'ro',isa=>'Str',builder =>'buildServerLoc +ation'); sub buildServerLocation { # not: my $self = shift; ?? return "$Bin/lib/selenium-server-standalone-2.0b2.jar" } sub FOREIGNBUILDARGS { my $self = shift; $self->checkServer; my %args = ( @_ == 1 ? %{ $_[0] } : @_ ); $args{serverLocation} //= $self->buildServerLocation; $args{host}//="localhost"; $args{port}//=4444; $args{browser}//='*firefox'; $args{browser_url}//='http://wwww.google.com'; return %args; } sub BUILD { my $self = shift; $self->Browser::BUILD(); $self->start; } sub DEMOLISH { my $self = shift; $self->stop; Browser->DEMOLISH; } sub checkServer { my $self = shift; if (server_is_running) { print "Selenium server running\n"; } else { $self->startServer; } } sub startServer { my $self = shift; defined(my $pid=fork) or die "Cannot fork: $!"; unless ($pid) { eval { exec 'java -jar '.$self->serverLocation; }; die "Impossibile far partire il server selenium: $@\n;" if ($@ +); } sleep(60); #attendi 1 minuto perché il server parta. no Moose; __PACKAGE__->meta->make_immutable; 1; }

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Re^9: Problem with around BUILDARGS
by stvn (Monsignor) on Apr 23, 2011 at 01:36 UTC

    My best guess based on your code and the error, is that you are calling startServer as a class method, which then calls serverLocation as a class method instead of an instance attribute accessor, which means it wont be initialized.

    -stvn
      Hello,
      thank you for your suggestion:
      and how can I force serverLocation to be an instance and not a class method?
Re^9: Problem with around BUILDARGS
by Anonymous Monk on Apr 29, 2011 at 08:09 UTC
    Another solution sould be to use MooseX::ClassAttribute.

    You could then define : class_has 'defaultServerLocation' => (is => 'ro', isa => 'Str', builder =>'buildDefaultServerLocation' );

    cpk
      I have tested this solution and it works.

      However the builder must be lazy (lazy => 1) in order to be correctly initialized in the FOREIGNBUILDARGS sub.

      But I don't know why...

      Any idea ?

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