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JVM backend continues after dynamic Test::More skip_all

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  • 何か問題がありますか？
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まだ誰も着手していません。

評価

難易度
4/5
見積もり時間
3〜5日
初心者へのやさしさ
68/100
issue の種類
バグ
明瞭さ
明確に書かれている
活発さ
活発
技術スタック
java, perl
領域
backend, testing-qa

調査の方向性

Start with the minimal reproducer and the JVM backend's Test::More/Test2 skip-all path, then compare it with the interpreter backend. Use t/live_prerelease.t as the real-world case and add the suggested permanent unit test for a dynamically evaluated skip_all followed by a failing statement. Done means both backends exit successfully while preserving the skip TAP output.

索引モデルが issue の本文から書いたものです。

説明

area:backend area:cpan-port area:runtime bug

Summary

The JVM backend does not terminate successfully after Test::More receives a
dynamic skip_all plan. It prints the skip plan but continues executing the
rest of the test file. The interpreter backend and standard Perl terminate
successfully.

CPAN evidence

  • Distribution: Net::Google::Storage 0.2.0
  • CPAN run: 20260921-124328-13959
  • Failing test: t/live_prerelease.t
  • Passing test: t/basic.t
  • System Perl focused result: pass; t/basic.t passes and
    t/live_prerelease.t is skipped because Test::Class is unavailable.
  • The live test also requires optional Google Storage credentials/configuration
    and is not part of the local functional test.

The archived JVM result was:

Can't locate object method "runtests" via package "Test::Class"
 at t/live_prerelease.t line 10.
t/live_prerelease.t ...... skipped: Probable missing Test::Class
Result: FAIL

The test contains this optional-dependency guard:

BEGIN {
    use lib 't/lib';
    eval { require Net::Google::Storage::Test; };
    if ($@) {
        eval "use Test::More skip_all => 'Probable missing Test::Class';";
    }
}

Test::Class->runtests;

The upstream test is fragile because the method call is unconditional, but
standard Perl's skip_all behavior makes the file exit successfully before
that call.

Minimal reproducer

eval { require Test::Class::DefinitelyMissing };
if ($@) {
    eval q{use Test::More skip_all => "missing optional dependency"};
}
Test::Class->runtests;

Observed results:

Runtime Result
System Perl 1..0 # SKIP ..., exit 0
PerlOnJava JVM backend 1..0 # SKIP ..., then missing-method error, exit 255
PerlOnJava interpreter backend 1..0 # SKIP ..., exit 0

The JVM backend also prints AFTER-SKIP for a variant that prints after the
skip_all call, proving that execution continues after the skip plan. The
interpreter backend does not print it.

Expected behavior

The JVM backend should treat a skip_all plan as successful test termination,
including when Test::More is loaded dynamically inside eval STRING. Code
following the skip plan must not execute, and the process should exit 0.

Suggested acceptance coverage

Add a permanent unit test covering a dynamically evaluated
Test::More skip_all followed by an otherwise-failing statement. Require
successful exit on both the JVM and interpreter backends, while preserving the
skip TAP output.

Likely ownership

This appears to be a JVM-backend control-flow/exit propagation issue in the
Test::More/Test2 skip-all path, not a Net::Google::Storage API or module
implementation issue.

主要言語
Perl
スター
64
フォーク
7
平均マージ
4時間 56分
マージ済み PR（30日）
181

環境構築

はじめの一歩

  1. issue を最後まで読み、次にプロジェクトのコントリビューションガイドを読みます。
  2. 着手することを issue にコメントします — 二人が同じ作業をするのを防げます。
  3. リポジトリをフォークし、ブランチを切って変更します。
  4. issue 番号を参照したプルリクエストを送ります。

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