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test(code-index,tools): cover lines left uncovered by #1297 - #1317

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test(code-index,tools): cover lines left uncovered by #1297#1317
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@easonLiangWorldedtech easonLiangWorldedtech commented Aug 21, 2026

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Test-only PR addressing the 14-line patch-coverage gap first flagged by codecov on merged PR #1297 (81.33% patch coverage): src/services/code-index/config-manager.ts, src/services/code-index/service-factory.ts, src/core/tools/GenerateImageTool.ts. Addresses the patch-coverage gap first flagged by codecov on #1297 (14 lines) and inherited by stacked PR #1309's report.

What

#1297 (lint(providers): enforce canonical identifiers) replaced raw string literals with providerIdentifiers.* canonical identifiers. Its codecov patch report showed 14 uncovered items (3 never-executed lines + 11 never-taken branch sides) in the 3 files above. This PR adds focused unit tests that exercise each of them:

  • config-manager.ts ??Mistral / Vercel AI Gateway / Bedrock provider configuration loading + isConfigured() positive and negative paths (lines 117/119/121 and branch sides 21.0, 22.0, 58.0, 60.0, 62.0), plus the defensive return false fallback of the isConfigured() provider switch (branch 64.1), reached by forcing the private embedderProvider field to a value outside the closed EmbedderProvider union (the only way to reach it without changing source logic).
  • service-factory.ts ??Mistral / Vercel AI Gateway / Bedrock / OpenRouter embedder creation (success + missing-credential error paths), covering branch sides 10.0, 12.0, 14.0, 16.0.
  • GenerateImageTool.ts ??the OpenRouter "API key required" early-return path (branch 18.0), asserting the i18n error is surfaced and the tool stops before approval/generation.

Verification (lcov, scoped v8 coverage of the 3 files)

file:line item BEFORE AFTER
config-manager.ts:117 DA 0 2
config-manager.ts:119 DA 0 2
config-manager.ts:121 DA 0 3
config-manager.ts:116 BRDA #21.0 0 2
config-manager.ts:118 BRDA #22.0 0 2
config-manager.ts:262 BRDA #58.0 0 3
config-manager.ts:267 BRDA #60.0 0 3
config-manager.ts:272 BRDA #62.0 0 5
config-manager.ts:278 BRDA #64.1 0 1
service-factory.ts:91 BRDA #10.0 0 2
service-factory.ts:96 BRDA #12.0 0 2
service-factory.ts:101 BRDA #14.0 0 2
service-factory.ts:107 BRDA #16.0 0 2
GenerateImageTool.ts:159 BRDA #18.0 0 1

All 14 items go 0 -> >0 (every changed line DA > 0, every changed branch side taken). 149 tests pass (130 pre-existing + 19 new); pnpm run check-types 11/11; eslint clean with no suppression-count changes. No source-logic changes; no changeset; no CHANGELOG edits.

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src/services/code-index/__tests__/config-manager.spec.ts (1)

2059-2077: LGTM!

Also applies to: 2079-2103, 2105-2122, 2124-2148, 2150-2180, 2182-2192, 2194-2206, 2209-2227

src/services/code-index/__tests__/service-factory.spec.ts (1)

8-11: LGTM!

Also applies to: 21-24, 363-465, 467-539, 541-623


📝 Summary

Summary by CodeRabbit

  • Tests
    • Expanded coverage for localized image-generation errors when required credentials are missing.
    • Added verification that image generation and approval do not proceed after credential validation fails.
    • Expanded coverage for Mistral, Vercel AI Gateway, Bedrock, and OpenRouter configuration and embedding services.
    • Added checks for provider-specific options, defaults, optional settings, invalid providers, and incomplete configurations.

Walkthrough

The pull request adds tests for localized OpenRouter image-generation errors and code-index provider configuration and embedder factory behavior for Mistral, Vercel AI Gateway, Bedrock, and OpenRouter.

Changes

Image generation validation

Layer / File(s) Summary
OpenRouter image-key validation
src/core/tools/__tests__/generateImageTool.test.ts
Tests the localized error, tool-error output, and early termination when the OpenRouter API key is missing.

Code-index provider coverage

Layer / File(s) Summary
Provider configuration validation
src/services/code-index/__tests__/config-manager.spec.ts
Tests Mistral, Vercel AI Gateway, and Bedrock configuration, including credentials, Bedrock defaults, Qdrant validation, OpenRouter validation, and invalid-provider fallback behavior.
Embedder factory provider wiring
src/services/code-index/__tests__/service-factory.spec.ts
Tests constructor wiring, optional parameters, undefined model IDs, and missing-configuration errors for four embedder providers.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to c1705

This PR only expands tests for existing provider configuration, embedder creation, and image-generation credential-validation paths; it does not change production behavior. No actionable merge-blocking risk remains beyond normal checks and review.

🚥 Pre-merge checks | ✅ 7
✅ Passed checks (7 passed)
Check name Status Explanation
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 3…
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
Regression Evidence ✅ Passed PASS — The pull request adds focused unit coverage and does not introduce a production behavior change. The topic commits change only the three test files named in the summary. `config-manager.spec.ts…
Trust And Persistence Invariants ✅ Passed PASS: The PR range changes only three test files; no production path changes. The added tests use placeholder credentials and local fixture values, mock filesystem/provider constructors, and do not pe…
Title check ✅ Passed The title clearly identifies this as a test-focused change for code-index and tools that covers previously uncovered lines from PR #1297.
Description check ✅ Passed The description is detailed and relevant. It explains the coverage gap, affected files, test scope, and verification results. It references PR #1297 and includes testing details, although it does not …
Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 3 files.

Full details: Regression Evidence

Explanation

PASS — The pull request adds focused unit coverage and does not introduce a production behavior change. The topic commits change only the three test files named in the summary. config-manager.spec.ts covers provider loading, missing API keys, missing Qdrant URLs, Bedrock defaults, and the defensive fallback. service-factory.spec.ts covers successful construction, missing credentials, optional arguments, and unset model IDs for Mistral, Vercel AI Gateway, Bedrock, and OpenRouter. generateImageTool.test.ts verifies the localized missing-key error and confirms that approval and OpenRouterHandler construction do not occur. No durable UI change requires a Playwright snapshot.

Full details: Trust And Persistence Invariants

Explanation

PASS: The PR range changes only three test files; no production path changes. The added tests use placeholder credentials and local fixture values, mock filesystem/provider constructors, and do not perform network or process operations. The image test asserts that the existing missing-key path stops before approval and generation; it does not bypass either control. Async test calls await loadConfiguration() and generateImageTool.handle(), and no persistence or resource lifecycle path is changed.

Full details: Description check

Explanation

The description is detailed and relevant. It explains the coverage gap, affected files, test scope, and verification results. It references PR #1297 and includes testing details, although it does not reproduce every template heading or checklist item.

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Actionable comments posted: 1

🧹 Nitpick comments (1)
src/services/code-index/__tests__/service-factory.spec.ts (1)

46-49: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Use vitest.mocked() for these auto-mocked constructors.

Replace the as MockedClass<...> casts with vitest.mocked(...). Vitest 4.1.9 preserves constructor call assertions such as toHaveBeenCalledWith(), so these casts do not need explanatory comments.

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In `@src/services/code-index/__tests__/service-factory.spec.ts` around lines 46 -
49, Replace the MockedClass casts for MistralEmbedder, VercelAiGatewayEmbedder,
BedrockEmbedder, and OpenRouterEmbedder with vitest.mocked(...) wrappers,
preserving their auto-mocked constructor typings and call assertions.

Source: Coding guidelines

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Inline comments:
In `@src/services/code-index/__tests__/service-factory.spec.ts`:
- Around line 431-449: Add unset-optional-value coverage in
src/services/code-index/__tests__/service-factory.spec.ts#L431-L449 by adding a
Bedrock factory test without profile and asserting MockedBedrockEmbedder
receives region, undefined, and modelId; add the corresponding OpenRouter test
at src/services/code-index/__tests__/service-factory.spec.ts#L467-L490 without
specificProvider and assert MockedOpenRouterEmbedder receives apiKey, modelId,
undefined, and undefined. Use the existing factory.createEmbedder test setup and
preserve the supplied-value cases.

---

Nitpick comments:
In `@src/services/code-index/__tests__/service-factory.spec.ts`:
- Around line 46-49: Replace the MockedClass casts for MistralEmbedder,
VercelAiGatewayEmbedder, BedrockEmbedder, and OpenRouterEmbedder with
vitest.mocked(...) wrappers, preserving their auto-mocked constructor typings
and call assertions.
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Comment thread src/services/code-index/__tests__/service-factory.spec.ts
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Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

@github-actions github-actions Bot added the awaiting-review PR changes are ready and waiting for maintainer re-review label Aug 21, 2026
…ode-Org#1297

The lint identifier PR Zoo-Code-Org#1297 merged to main with its codecov patch report at 81.33% (14 lines missing in src/services/code-index/config-manager.ts, src/services/code-index/service-factory.ts, src/core/tools/GenerateImageTool.ts); this PR adds the focused unit tests covering those lines and branch sides. No source logic changes.
@easonLiangWorldedtech
easonLiangWorldedtech force-pushed the fix/coverage-1297-code-index branch from bdd8356 to 63dd593 Compare August 21, 2026 03:50
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Actionable comments posted: 2

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Inline comments:
In `@src/services/code-index/__tests__/config-manager.spec.ts`:
- Line 2079: Add coverage for the missing-Qdrant configuration path in the
provider tests around isConfigured: create one test for each provider with a
valid API key but no Qdrant URL, and assert that isConfigured() returns false.
Preserve the existing missing-API-key tests.

In `@src/services/code-index/__tests__/service-factory.spec.ts`:
- Line 363: Add coverage for omitted modelId in each new provider case around
the provider-specific factory tests, including the Mistral case and the
additional referenced providers. Assert that the corresponding embedder
constructor receives undefined for its model argument, preserving default-model
selection.
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src/core/tools/__tests__/generateImageTool.test.ts (2)

9-9: LGTM!


374-411: LGTM!

Comment thread src/services/code-index/__tests__/config-manager.spec.ts
Comment thread src/services/code-index/__tests__/service-factory.spec.ts
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