FEAT: improve coverage for pkg/workloadmanager to 34% from 16%

[Sagar-6203620715]

Description

Added test files, coverage extended to 34%

• pkg/workloadmanager/auth_test.go
• pkg/workloadmanager/client_cache_test.go
• pkg/workloadmanager/codeinterpreter_controller_test.go
• pkg/workloadmanager/sandbox_helper_test.go

Related Issue

Partially fixes #88

Type of Change

• Test addition/update

Changes Made

Added test for two files in pkg/router

Testing

• Unit tests added/updated
• Integration tests pass

Before

After

[gemini-code-assist]

Summary of Changes

Hello @Sagar-6203620715, 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 significantly boosts the unit test coverage for the pkg/workloadmanager package, elevating it from 16% to 34%. By introducing new test files and expanding existing test suites, the changes aim to fortify the reliability and correctness of critical components such as authentication, client caching, the CodeInterpreter controller, and sandbox management. This ensures that these core functionalities behave as expected under various conditions and edge cases.

Highlights

• Enhanced Authentication Test Coverage: Comprehensive unit tests have been added for the authentication middleware and token caching mechanisms within pkg/workloadmanager/auth.go, covering various scenarios like disabled auth, invalid headers, and service account parsing.
• Improved Client Cache Testing: New unit tests for pkg/workloadmanager/client_cache.go validate JWT expiry parsing, cache eviction (LRU behavior), and concurrent access for both client and token caches, ensuring robust caching logic.
• Code Interpreter Controller Logic Validation: Unit tests for the CodeInterpreterReconciler in pkg/workloadmanager/codeinterpreter_controller.go now verify the convertToPodTemplate function's behavior across different configurations, including runtime class, environment variable injection based on auth mode, and command/argument handling.
• Sandbox Helper Function Reliability: Tests have been introduced for sandbox helper functions in pkg/workloadmanager/sandbox_helper.go, confirming the correct construction of sandbox placeholders and detailed sandbox information, as well as accurate status reporting from Kubernetes conditions.

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[gemini-code-assist]

Code Review

The pull request significantly improves test coverage for the pkg/workloadmanager package by adding new test files for authentication, client caching, CodeInterpreter controller logic, and sandbox helpers. The new tests cover various scenarios, including authentication flows, JWT parsing, cache behaviors (LRU, eviction, expiration), and Kubernetes resource conversions. This is a valuable contribution to the project's stability and maintainability.

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✅ All modified and coverable lines are covered by tests.
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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #163   +/-   ##
=======================================
  Coverage        ?   42.29%           
=======================================
  Files           ?       29           
  Lines           ?     2549           
  Branches        ?        0           
=======================================
  Hits            ?     1078           
  Misses          ?     1339           
  Partials        ?      132           

Flag	Coverage Δ
unittests	42.29% <ø> (?)

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[Sagar-6203620715]

/cc @hzxuzhonghu

[volcano-sh-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign yaozengzeng for approval. For more information see the Kubernetes Code Review Process.

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Details

Needs approval from an approver in each of these files:

• pkg/workloadmanager/OWNERS

Approvers can indicate their approval by writing /approve in a comment
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[hzxuzhonghu]

No big issue, please read https://go.dev/wiki/TableDrivenTests#

[Sagar-6203620715]

@hzxuzhonghu I have refactored and reviewed the code and removed unrequired redundant tests

Ready for final review->merge

[Sagar-6203620715]

HI @hzxuzhonghu Apologies to ping you but I would like to request you to review this pull request as I have merged the two functions as you instructed and refactored the code.

[hzxuzhonghu]

Thanks for the big coverage bump! The tests are useful overall, but please refactor several groups to follow Go table-driven style and reduce a flaky sleep. Details:

Table-driven refactors requested

• pkg/workloadmanager/client_cache_test.go: consolidate TestParseJWTExpiry_* cases into one table test (valid/invalid/no-exp/float/int). Also consider table-driven grouping for cache eviction/update/remove variants.
• pkg/workloadmanager/codeinterpreter_controller_test.go: combine RuntimeClassName and AuthMode variants into table-driven cases.
• pkg/workloadmanager/sandbox_helper_test.go: combine buildSandboxInfo variants into a table-driven test.
• pkg/workloadmanager/auth_test.go: merge the two cache-hit tests into a small table.

Stability note

• TestTokenCache_Get_Expired currently sleeps 2s. Please reduce to a short TTL (e.g., 50–100ms) and a small sleep to avoid slow/flaky tests.

Once these are addressed, the test suite looks good to me.