/ 
perl-5.40.1
⭐ Starred 2013
/ Test2::Util::Facets2Legacy
Security Advisories (2)
CVE-2024-56406 (2025-04-13)

A heap buffer overflow vulnerability was discovered in Perl. Release branches 5.34, 5.36, 5.38 and 5.40 are affected, including development versions from 5.33.1 through 5.41.10. When there are non-ASCII bytes in the left-hand-side of the `tr` operator, `S_do_trans_invmap` can overflow the destination pointer `d`.    $ perl -e '$_ = "\x{FF}" x 1000000; tr/\xFF/\x{100}/;'    Segmentation fault (core dumped) It is believed that this vulnerability can enable Denial of Service and possibly Code Execution attacks on platforms that lack sufficient defenses.

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NAME

Test2::Util::Facets2Legacy - Convert facet data to the legacy event API.

DESCRIPTION

This module exports several subroutines from the older event API (see Test2::Event). These subroutines can be used as methods on any object that provides a custom facet_data() method. These subroutines can also be used as functions that take a facet data hashref as arguments.

SYNOPSIS

AS METHODS

package My::Event;

use Test2::Util::Facets2Legacy ':ALL';

sub facet_data { return { ... } }

Then to use it:

my $e = My::Event->new(...);

my $causes_fail = $e->causes_fail;
my $summary     = $e->summary;
....

AS FUNCTIONS

use Test2::Util::Facets2Legacy ':ALL';

my $f = {
    assert => { ... },
    info => [{...}, ...],
    control => {...},
    ...
};

my $causes_fail = causes_fail($f);
my $summary     = summary($f);

NOTE ON CYCLES

When used as methods, all these subroutines call $e->facet_data(). The default facet_data() method in Test2::Event relies on the legacy methods this module emulates in order to work. As a result of this it is very easy to create infinite recursion bugs.

These methods have cycle detection and will throw an exception early if a cycle is detected. uuid() is currently the only subroutine in this library that has a fallback behavior when cycles are detected.

EXPORTS

Nothing is exported by default. You must specify which methods to import, or use the ':ALL' tag.

$bool = $e->causes_fail()
$bool = causes_fail($f)

Check if the event or facets result in a failing state.

$bool = $e->diagnostics()
$bool = diagnostics($f)

Check if the event or facets contain any diagnostics information.

$bool = $e->global()
$bool = global($f)

Check if the event or facets need to be globally processed.

$bool = $e->increments_count()
$bool = increments_count($f)

Check if the event or facets make an assertion.

$bool = $e->no_display()
$bool = no_display($f)

Check if the event or facets should be rendered or hidden.

($max, $directive, $reason) = $e->sets_plan()
($max, $directive, $reason) = sets_plan($f)

Check if the event or facets set a plan, and return the plan details.

$id = $e->subtest_id()
$id = subtest_id($f)

Get the subtest id, if any.

$string = $e->summary()
$string = summary($f)

Get the summary of the event or facets hash, if any.

$undef_or_int = $e->terminate()
$undef_or_int = terminate($f)

Check if the event or facets should result in process termination, if so the exit code is returned (which could be 0). undef is returned if no termination is requested.

$uuid = $e->uuid()
$uuid = uuid($f)

Get the UUID of the facets or event.

Note: This will fall back to $e->SUPER::uuid() if a cycle is detected and an event is used as the argument.

SOURCE

The source code repository for Test2 can be found at https://github.com/Test-More/test-more/.

MAINTAINERS

Chad Granum <exodist@cpan.org>

AUTHORS

Chad Granum <exodist@cpan.org>

COPYRIGHT

Copyright 2020 Chad Granum <exodist@cpan.org>.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

See https://dev.perl.org/licenses/