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Introduce quality rules for Groovy migration#11636

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gh-worker-dd-mergequeue-cf854d[bot] merged 4 commits into
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bbujon/groovy-to-java-skill
Jun 16, 2026
Merged

Introduce quality rules for Groovy migration#11636
gh-worker-dd-mergequeue-cf854d[bot] merged 4 commits into
masterfrom
bbujon/groovy-to-java-skill

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@PerfectSlayer

@PerfectSlayer PerfectSlayer commented Jun 12, 2026

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What Does This Do

This PR introduces quality rules to migrate away from Groovy and a new skill /review-groovy-migration to help reviewing the existing migration.

Motivation

This will help automate migration code reviews and should steer the generated code toward better quality, in particular for people without Claude Code history, or for modules with few JUnit code to get inspiration from.

Additional Notes

I expect to keep refining the rules using the human review comments and follow up PR content.

Contributor Checklist

  • Format the title according to the contribution guidelines
  • Assign the type: and (comp: or inst:) labels in addition to any other useful labels
  • Avoid using close, fix, or any linking keywords when referencing an issue
    Use solves instead, and assign the PR milestone to the issue
  • Update the CODEOWNERS file on source file addition, migration, or deletion
  • Update public documentation with any new configuration flags or behaviors
  • Add your completed PR to the merge queue by commenting /merge. You can also:
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    • Get more information in this doc

Jira ticket: [PROJ-IDENT]

@PerfectSlayer PerfectSlayer requested a review from a team as a code owner June 12, 2026 09:46
@PerfectSlayer PerfectSlayer requested a review from ygree June 12, 2026 09:46
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dd-octo-sts Bot commented Jun 12, 2026

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Hi! 👋 Thanks for your pull request! 🎉

To help us review it, please make sure to:

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@PerfectSlayer PerfectSlayer added tag: no release notes Changes to exclude from release notes tag: experimental Experimental changes comp: tooling Build & Tooling tag: ai generated Largely based on code generated by an AI or LLM labels Jun 12, 2026
@PerfectSlayer PerfectSlayer changed the title feat(ai): Introduce quality rules for Groovy migration Introduce quality rules for Groovy migration Jun 12, 2026

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### RULE-F01: Use byte for sampling priority and mechanism
- **Severity**: BLOCKER
- **Detection**: `\bint\b.*[Ss]ampling[Pp]riority\|\bint\b.*\bpriority\b\|\bint\b.*\bmechanism\b`

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P1 Badge Preserve int sampling API types

This BLOCKER pattern matches any int ...priority/int ...mechanism, including method signatures and locals that mirror the tracer APIs; for example AgentSpanContext.getSamplingPriority() and AgentSpan.setSamplingPriority(int, int) are explicitly int in internal-api. Because the new skill says to apply BLOCKER rules unconditionally and offers to auto-fix them, reviewing a migrated test that implements or calls those APIs can be pushed toward byte types and either stop compiling or no longer exercise the real API contract. Narrow this rule to constants-only locals, or exclude API signatures/arguments that are intentionally int.

Useful? React with 👍 / 👎.

"no priority | UNSET ",
"keep | SAMPLER_KEEP",
```
- **Notes**: Requires a `TypeConvertor<PrioritySampling>` (e.g., `PrioritySamplingConverter`) registered or passed via `@ConvertWith`. Check whether the converter already exists before applying.

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P2 Badge Require converters that accept unqualified constants

The example converter named here does not support the proposed unqualified table values: PrioritySamplingConverter only converts strings that start with PrioritySampling. and returns UNSET/SAMPLER_KEEP unchanged otherwise (utils/junit-utils/.../PrioritySamplingConverter.java:16-32). So applying this rule to a table that uses @ConvertWith(PrioritySamplingConverter.class) changes working rows like PrioritySampling.UNSET into values the converter will not convert, causing argument-conversion failures. Limit the rule to TableTest converters that actually accept unqualified tokens, or update the referenced converter first.

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@dd-octo-sts

dd-octo-sts Bot commented Jun 12, 2026

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🟢 Java Benchmark SLOs — All performance SLOs passed

Suite Status
Startup 🟢 pass

SLO thresholds are defined here based on automatically generated metrics. A warning is raised when results are within 5% of the threshold.

PR vs. master results
Scenario Candidate master Δ (95% CI of mean)
startup:insecure-bank:iast:Agent 13.98 s 13.87 s [+0.1%; +1.5%] (maybe worse)
startup:insecure-bank:tracing:Agent 12.94 s 12.91 s [-0.4%; +1.0%] (no difference)
startup:petclinic:appsec:Agent 16.60 s 17.14 s [-7.1%; +0.9%] (no difference)
startup:petclinic:iast:Agent 17.32 s 17.41 s [-1.5%; +0.5%] (no difference)
startup:petclinic:profiling:Agent 17.38 s 17.28 s [-0.2%; +1.3%] (no difference)
startup:petclinic:sca:Agent 17.40 s 17.27 s [+0.1%; +1.5%] (maybe worse)
startup:petclinic:tracing:Agent 16.48 s 16.69 s [-2.4%; -0.2%] (maybe better)

Commit: 0e488344 · CI Pipeline · Benchmarking Platform UI


Load and DaCapo benchmarks can be triggered manually in the GitLab pipeline. Results will appear in the Benchmarking Platform UI after completion.

@amarziali amarziali left a comment

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thanks for having retrofitted part of the feedback you had during recent test migration. that will help for the next one

Comment thread .claude/skills/migrate-groovy-to-java/SKILL.md
Comment thread .claude/skills/migrate-groovy-to-java/QUALITY_RULES.md
Comment thread .claude/skills/migrate-groovy-to-java/QUALITY_RULES.md Outdated
…roovy migration

Add RULE-C05 to prevent relaxing assertions with matchers and RULE-G05 to prefer try-with-resources over finally blocks with close().
@PerfectSlayer

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That should address all comments. I will merge it later Today

@PerfectSlayer

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/merge

@gh-worker-devflow-routing-ef8351

gh-worker-devflow-routing-ef8351 Bot commented Jun 16, 2026

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View all feedbacks in Devflow UI.

2026-06-16 11:29:07 UTC ℹ️ Start processing command /merge


2026-06-16 11:29:18 UTC ℹ️ MergeQueue: waiting for PR to be ready

This pull request is not mergeable according to GitHub. Common reasons include pending required checks, missing approvals, or merge conflicts — but it could also be blocked by other repository rules or settings.
It will be added to the queue as soon as checks pass and/or get approvals. View in MergeQueue UI.
Note: if you pushed new commits since the last approval, you may need additional approval.
You can remove it from the waiting list with /remove command.


2026-06-16 11:32:11 UTC ℹ️ MergeQueue: merge request added to the queue

The expected merge time in master is approximately 1h (p90).


2026-06-16 12:51:19 UTC ℹ️ MergeQueue: This merge request was merged

@gh-worker-dd-mergequeue-cf854d gh-worker-dd-mergequeue-cf854d Bot merged commit cbc8bb5 into master Jun 16, 2026
775 of 777 checks passed
@gh-worker-dd-mergequeue-cf854d gh-worker-dd-mergequeue-cf854d Bot deleted the bbujon/groovy-to-java-skill branch June 16, 2026 12:51
@github-actions github-actions Bot added this to the 1.64.0 milestone Jun 16, 2026
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4 participants