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Kernels unittest fix ljl#61

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meichangsu1 merged 4 commits intodevfrom
kernels_unittest_fix_ljl
Feb 13, 2026
Merged

Kernels unittest fix ljl#61
meichangsu1 merged 4 commits intodevfrom
kernels_unittest_fix_ljl

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Replace calls to `_get_sp_group_from_device_mesh` with direct access to `sequence_parallel._sp_group` in sequence parallel attention tests. This simplifies the test setup by using the already initialized group stored in the module, improving code clarity and reducing redundancy.
Add additional imports and a try-except block to verify that the 'kernels-test/flattened-build' kernel can be successfully loaded in the current environment before proceeding with the test. This prevents test failures due to environment-specific loading issues and provides a more informative skip message.
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Summary of Changes

Hello @meichangsu1, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request improves the robustness of a kernel-related unit test by adding a preliminary check for kernel loadability. This ensures that the test only runs when its dependencies are met, preventing environment-specific failures and making the test suite more reliable.

Highlights

  • Test Reliability: Enhanced the test_flattened_build_replaces_function to proactively check if the kernels-test/flattened-build kernel can be loaded in the current environment, skipping the test if it cannot.

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Changelog
  • tests/kernel/test_function_kernel.py
    • Added a pre-check to verify the loadability of the kernels-test/flattened-build kernel.
    • Imported necessary functions (select_revision_or_version, get_kernel) for kernel loading.
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Code Review

This pull request improves the robustness of the test_flattened_build_replaces_function test by adding a pre-flight check to ensure the test kernel can be loaded. This is a good change. I've added one suggestion to improve the maintainability of the test code by reducing the repetition of a magic string.

Comment on lines +63 to +71
try:
revision = select_revision_or_version(
'kernels-test/flattened-build',
revision=None,
version=None,
)
get_kernel('kernels-test/flattened-build', revision=revision)
except Exception as exc:
self.skipTest(f'kernels-test/flattened-build cannot be loaded in this env: {exc}')
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medium

The repository ID 'kernels-test/flattened-build' is repeated here and elsewhere in this test method (e.g., lines 61, 88). To improve maintainability and reduce the chance of typos, consider defining this string as a constant at the beginning of the method and reusing it.

For example:

repo_id = 'kernels-test/flattened-build'
# ... then use repo_id in has_kernel, select_revision_or_version, get_kernel, etc.

@meichangsu1 meichangsu1 merged commit c5aafff into dev Feb 13, 2026
3 of 4 checks passed
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