test(code-index): assert happy-path task workspace routing

[WebMad]

Summary

Closes #1721.

• Assert the exact extension context and task workspace passed to the registry in all three directory-prefix happy-path scenarios.
• Assert the registry lookup and search arguments in the successful result-formatting scenario.
• Preserve existing query, directory-prefix, and output assertions.

Dependency and review scope

#1629 was merged into main on 2026-09-20 (f797477). This branch has been rebased onto that main commit.

The PR now contains only the issue-specific commit c77da26, adding three assertion lines to CodebaseSearchTool.spec.ts. It makes no production changes. The rebase was conflict-free, and git range-diff confirmed the patch is unchanged.

Validation

• Both search-tool suites passed: 38 tests.
• Targeted mutation checks: removing the workspace argument and replacing it with an incorrect workspace each caused all four selected happy-path scenarios to fail at the new assertions.
• Temporary mutations restored; both suites passed again.
• Focused ESLint with suppression pruning passed; suppression data unchanged.
• Repository pre-commit lint and pre-push typecheck passed.
• Diff whitespace check passed.

Local validation used macOS and Node 24.7.0; the repository requests Node 22.23.1. Full repository tests and extension-host E2E were not run. AI-assisted change and validation.

Post-rebase validation

• Both search-tool suites passed again: 38 tests.
• Focused ESLint with suppression pruning passed; suppression data unchanged.
• Diff whitespace check passed.
• Pre-push typecheck passed (11 cached tasks).

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• src/core/tools/__tests__/CodebaseSearchTool.spec.ts

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• src/core/tools/__tests__/CodebaseSearchTool.spec.ts

Verify extension/webview contracts, cancellation and error propagation, VS Code lifecycle correctness, and behavior under retries and partial failure.

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🔇 Additional comments (1)

src/core/tools/__tests__/CodebaseSearchTool.spec.ts (1)

217-217: LGTM!

Also applies to: 257-258

---

📝 Summary

Summary by CodeRabbit

• Tests
  • Added assertions validating search index manager initialization and search parameters in existing codebase search tests.
  • No user-facing behavior changes.

Walkthrough

The test suite now checks task-workspace routing in directory-prefix and multi-result codebase search scenarios. The multi-result test also checks the query and undefined search path passed to the index manager.

Changes

Codebase search routing

Layer / File(s)	Summary
Validate successful search routing src/core/tools/__tests__/CodebaseSearchTool.spec.ts	The tests assert that getOrCreate receives the extension context and /task. The multi-result test also asserts that searchIndex receives the query and an undefined path.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Other

🚥 Pre-merge checks | ✅ 8

✅ Passed checks (8 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Issue #1721 requires exact registry lookup arguments in successful searches, retained query and directory assertions, and mutation-sensitive coverage. CodebaseSearchTool.spec.ts asserts exactly one …
Out of Scope Changes check	✅ Passed	The reviewed change adds assertions only to src/core/tools/__tests__/CodebaseSearchTool.spec.ts. The assertions directly cover Issue #1721 workspace routing and existing search arguments. No unrelat…
Regression Evidence	✅ Passed	PASS. The pull request changes only CodebaseSearchTool.spec.ts; the production file has no diff. The added unit assertions verify the exact CodeIndexManagerRegistry.getOrCreate(context, "/task") c…
Security Boundaries	✅ Passed	PASS: The pull request changes only src/core/tools/__tests__/CodebaseSearchTool.spec.ts. The added lines are test assertions for CodeIndexManagerRegistry.getOrCreate and manager.searchIndex. The…
Persistence Integrity	✅ Passed	PASS — The pull request changes only src/core/tools/__tests__/CodebaseSearchTool.spec.ts. The three added lines are Jest assertions for registry and search arguments. No persistence path, write oper…
Lifecycle Resource Cleanup	✅ Passed	The pull request changes only CodebaseSearchTool.spec.ts and adds three Jest/Vitest assertions. The assertions verify registry and search arguments; they do not create, dispose, cancel, restart, or …
Description check	✅ Passed	The description identifies the linked issue, summarizes the test-only changes, documents implementation scope, and provides detailed validation results and limitations. It does not reproduce the templ…
Title check	✅ Passed	The title clearly identifies a test change for code-index workspace routing and accurately reflects the main changes.

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[github-actions]

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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Actionable comments posted: 1

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• 🪄 Fix CodeRabbit comments on this PR

🤖 Prompt to fix review comments

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only still-valid issues, skip the rest with a brief reason, keep changes
minimal, and validate.

Inline comments:
In `@src/core/tools/CodebaseSearchTool.ts`:
- Line 60: Update the manager acquisition flow around
CodeIndexManagerRegistry.getOrCreate so a manager created for a task cwd is
initialized before accessing isFeatureEnabled or performing searches; reuse an
already initialized manager when available, while preserving the existing
disabled-settings behavior for managers that remain genuinely unconfigured or
disabled.

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📒 Files selected for processing (3)

• src/core/tools/CodebaseSearchTool.ts
• src/core/tools/__tests__/CodebaseSearchTool.spec.ts
• src/core/tools/__tests__/CodebaseSearchTool.workspace.spec.ts

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Treat model, provider, MCP, path, command, and tool data as untrusted.

⚙️ CodeRabbit configuration file

Files:

• src/core/tools/__tests__/CodebaseSearchTool.workspace.spec.ts
• src/core/tools/__tests__/CodebaseSearchTool.spec.ts
• src/core/tools/CodebaseSearchTool.ts

Require regression coverage at the lowest valid harness with behavior-focused assertions, including relevant negative, error, false/unset, and boundary cases.

⚙️ CodeRabbit configuration file

Files:

• src/core/tools/__tests__/CodebaseSearchTool.workspace.spec.ts
• src/core/tools/__tests__/CodebaseSearchTool.spec.ts

Check strict typing and exhaustive behavior across normal, boundary, error, cancellation, retry, and compatibility paths.

⚙️ CodeRabbit configuration file

Files:

• src/core/tools/__tests__/CodebaseSearchTool.workspace.spec.ts
• src/core/tools/__tests__/CodebaseSearchTool.spec.ts
• src/core/tools/CodebaseSearchTool.ts

Verify extension/webview contracts, cancellation and error propagation, VS Code lifecycle correctness, and behavior under retries and partial failure.

⚙️ CodeRabbit configuration file

Files:

• src/core/tools/__tests__/CodebaseSearchTool.workspace.spec.ts
• src/core/tools/__tests__/CodebaseSearchTool.spec.ts
• src/core/tools/CodebaseSearchTool.ts

Act as an adversarial second-opinion reviewer.

⚙️ CodeRabbit configuration file

Files:

• src/core/tools/__tests__/CodebaseSearchTool.workspace.spec.ts
• src/core/tools/__tests__/CodebaseSearchTool.spec.ts
• src/core/tools/CodebaseSearchTool.ts

🔇 Additional comments (2)

src/core/tools/__tests__/CodebaseSearchTool.spec.ts (1)

1-471: LGTM!

src/core/tools/__tests__/CodebaseSearchTool.workspace.spec.ts (1)

1-209: LGTM!

[WebMad]

The changes from this PR have been incorporated into #1725 as commit e1ff13a. All three task-workspace routing assertions are preserved; the combined changes pass 58 focused tests, ESLint, and type checks.

We will continue review and merge these changes through #1725. Closing this PR as superseded, without merging it separately.