[https://nvbugs/5625743][test] Adding test_batch_completions_beam_sea…

[SimengLiu-nv]

…rch_streaming to cover multi-beam streaming cases required by the NIM team.

Summary by CodeRabbit

• Tests
  • Added comprehensive test coverage for beam search functionality with streaming support in batch completion requests.
  • Validates that beam search produces distinct outputs across multiple beams and maintains consistency when identical prompts are processed.

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Description

Test Coverage

PR Checklist

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[SimengLiu-nv]

/bot run

[coderabbitai[bot]]

📝 Walkthrough

Walkthrough

A new asynchronous test function is added to validate beam search functionality with streaming for OpenAI completions. The test sends batch requests with multiple prompts and beams, streams results, and asserts consistency and distinctiveness of beam outputs.

Changes

Cohort / File(s)	Change Summary
New beam search streaming test tests/unittest/llmapi/apps/_test_openai_completions.py	Adds test_batch_completions_beam_search_streaming() to test beam search with streaming; validates distinct beam outputs and consistent results across identical prompts.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

• Verify the test function follows existing streaming test patterns and conventions
• Confirm beam search assertions correctly validate distinctiveness and consistency behavior
• Ensure parameterization aligns with related test functions

Pre-merge checks and finishing touches

❌ Failed checks (3 warnings)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	Title is truncated and incomplete, ending with '…' and lacking the required [type] descriptor and descriptive summary.	Complete the title following the template format: [https://nvbugs/5625743][type] Add test for batch completions with beam search streaming
Description check	⚠️ Warning	PR description is incomplete with only a partial summary and unfilled template sections for Description, Test Coverage, and PR Checklist items unchecked.	Fill in the Description and Test Coverage sections with details about the test's purpose and coverage, and review all PR Checklist items
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

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[tensorrt-cicd]

PR_Github #25257 [ run ] triggered by Bot. Commit: 7b0db8d

[tensorrt-cicd]

PR_Github #25257 [ run ] completed with state SUCCESS. Commit: 7b0db8d /LLM/main/L0_MergeRequest_PR pipeline #19104 completed with status: 'FAILURE'

[SimengLiu-nv]

Close this pr as the NIM release will be based of release/1.1. Moving to https://github.com/NVIDIA/TensorRT-LLM/pull/9471.