File Coverage

blib/lib/Test2/Tools/Defer.pm

Criterion	Covered	Total	%
statement	45	45	100.0
branch	6	6	100.0
condition	4	4	100.0
subroutine	9	9	100.0
pod	2	2	100.0
total	66	66	100.0

package Test2::Tools::Defer;
use strict;
use warnings;

our $VERSION = '0.000155';

use Carp qw/croak/;

use Test2::Util qw/get_tid/;
use Test2::API qw{
    test2_add_callback_exit
    test2_pid test2_tid
};

our @EXPORT = qw/def do_def/;
use base 'Exporter';

my %TODO;

sub def {
    my ($func, @args) = @_;

    my @caller = caller(0);

    $TODO{$caller[0]} ||= [];
    push @{$TODO{$caller[0]}} => [$func, \@args, \@caller];
}

sub do_def {
    my $for = caller;
    my $tests = delete $TODO{$for} or croak "No tests to run!";

    for my $test (@$tests) {
        my ($func, $args, $caller) = @$test;

        my ($pkg, $file, $line) = @$caller;

        chomp(my $eval = <<"        EOT");
package $pkg;
# line $line "(eval in Test2::Tools::Defer) $file"
\&$func(\@\$args);
1;
        EOT

        eval $eval and next;
        chomp(my $error = $@);

        require Data::Dumper;
        chomp(my $td = Data::Dumper::Dumper($args));
        $td =~ s/^\$VAR1 =/\$args: /;
        die <<"        EOT";
Exception: $error
--eval--
$eval
--------
Tool:   $func
Caller: $caller->[0], $caller->[1], $caller->[2]
$td
        EOT
    }

    return;
}

sub _verify {
    my ($context, $exit, $new_exit) = @_;

    my $not_ok = 0;
    for my $pkg (keys %TODO) {
        my $tests = delete $TODO{$pkg};
        my $caller = $tests->[0]->[-1];
        print STDOUT "not ok - deferred tests were not run!\n" unless $not_ok++;
        print STDERR "# '$pkg' has deferred tests that were never run!\n";
        print STDERR "#   $caller->[1] at line $caller->[2]\n";
        $$new_exit ||= 255;
    }
}

test2_add_callback_exit(\&_verify);

1;

__END__