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🧪 Add tests for cardTree and errorTree exports - #550

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add-cardtree-tests-15579114550809507357
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🧪 Add tests for cardTree and errorTree exports#550
is0692vs wants to merge 1 commit into
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add-cardtree-tests-15579114550809507357

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@is0692vs

@is0692vs is0692vs commented Aug 7, 2026

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🎯 What: The testing gap addressed\nAdded missing unit tests for the previously untested public cardTree and errorTree export functions in src/lib/cardElements.tsx.\n\n📊 Coverage: What scenarios are now tested\n- cardTree correctly renders a 1 column layout.\n- cardTree correctly renders a 2 column layout.\n- errorTree correctly renders an error card with the provided error message.\n\n✨ Result: The improvement in test coverage\nIncreased line coverage for src/lib/cardElements.tsx by verifying the primary entrypoint functions for tree generation work as expected and render correct nodes given the parameters.


PR created automatically by Jules for task 15579114550809507357 started by @is0692vs

Greptile Summary

cardTree の1列・2列レイアウトと errorTree の公開エクスポートに対する描画テストを追加しています。ただし、レイアウトテストは列固有の出力を検証せず、フィクスチャも必須型を二重キャストで回避しています。

  • cardTree の1列レイアウト用テストを追加
  • cardTree の2列レイアウト用テストを追加
  • errorTree のエラーメッセージ描画テストを追加

Confidence Score: 4/5

マージを妨げる実行時不具合は見当たりませんが、追加されたレイアウトテストの回帰検知力は改善した方がよいです。

本番コードは変更されておらず、指摘は新規テストが列固有の構造を検証していない点と、必須フィールドを欠くモックが型検査を回避している点に限られます。

Files Needing Attention: src/lib/tests/cardElements.test.tsx

Important Files Changed

Filename Overview
src/lib/tests/cardElements.test.tsx cardTree/errorTree のテスト追加自体は非ブロッキングだが、レイアウト固有の検証不足と不完全な型キャスト済みフィクスチャが回帰検知力を弱めている。
Prompt To Fix All With AI
### Issue 1
src/lib/__tests__/cardElements.test.tsx:148-149
**列固有の出力を検証していない**

1列・2列の両テストが、レイアウト分岐より前に常に描画されるユーザー名とフッターだけを検証しています。各列のブロック配置や2列コンテナが壊れても成功するため、レイアウト固有の要素または構造を検証してください。

### Issue 2
src/lib/__tests__/cardElements.test.tsx:133
**二重キャストが不完全なモックを隠す**

この `unknown` 経由のキャストは、`profile.name``profile.bio``repos``languages``streak``heatmap` などの必須フィールドが欠けたモックを型検査から隠しています。現在も名前が `undefined` のまま描画され、別ブロックへテストを広げると未定義フィールドの参照で失敗するため、実際の `CardData` を満たす型付きフィクスチャにしてください。

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Reviews (1): Last reviewed commit: "🧪 Add tests for cardTree and errorTree ..." | Re-trigger Greptile

Greptile also left 2 inline comments on this PR.

Context used:

…s for `cardTree` in 1 column layout\n* Added unit tests for `cardTree` in 2 column layout\n* Added unit tests for `errorTree`\n* Verified using Vitest

Co-authored-by: is0692vs <135803462+is0692vs@users.noreply.github.com>
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1 Skipped Deployment
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github-user-summary Ignored Ignored Aug 7, 2026 6:49am

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PR Summary by Qodo

Add unit tests for cardTree and errorTree exports

🧪 Tests 🕐 10-20 Minutes

Grey Divider

AI Description

• Add render-based unit tests for the public cardTree export in 1- and 2-column layouts.
• Add render-based unit test for errorTree to verify error message output.
• Close coverage gap for src/lib/cardElements.tsx entrypoint React tree generators.
Diagram

graph TD
  A["src/lib/__tests__/cardElements.test.tsx"] --> B["cardTree()"] --> D["ReactElement tree"] --> E["render()"] --> F["getByText() queries"] --> G["Vitest expects"]
  A --> C["errorTree()"] --> D
Loading
High-Level Assessment

The following are alternative approaches to this PR:

1. Snapshot testing for full tree output
  • ➕ Covers more of the rendered structure with minimal per-assertion work
  • ➕ Makes it easy to detect unintended markup/style changes
  • ➖ Often brittle for JSX output (legitimate UI tweaks cause noisy diffs)
  • ➖ Harder to understand intent vs explicit assertions
2. Assert layout-specific structure (columns/containers) instead of header text
  • ➕ More directly validates the 1-col vs 2-col branching behavior
  • ➕ Less reliant on literal strings that could change
  • ➖ Requires adding stable test IDs or querying by role/structure
  • ➖ Slightly more test setup and potentially more coupling to DOM structure

Recommendation: Current approach (explicit text assertions using Testing Library) is a good default for stability and intent clarity. If regressions around 1-col vs 2-col layout are a known risk, consider adding a small number of structural assertions (or test IDs) to validate the column container behavior in addition to header text.

Files changed (1) +73 / -0

Tests (1) +73 / -0
cardElements.test.tsxAdd render tests for cardTree (1/2 col) and errorTree output +73/-0

Add render tests for cardTree (1/2 col) and errorTree output

• Imports @testing-library/react render plus cardTree/errorTree exports. Adds three new unit tests that render the returned ReactElement and assert key strings for normal and error card trees across 1- and 2-column configurations.

src/lib/tests/cardElements.test.tsx

Comment on lines +148 to +149
expect(getByText("testuser")).toBeInTheDocument();
expect(getByText("github-user-summary")).toBeInTheDocument();

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P2 列固有の出力を検証していない

1列・2列の両テストが、レイアウト分岐より前に常に描画されるユーザー名とフッターだけを検証しています。各列のブロック配置や2列コンテナが壊れても成功するため、レイアウト固有の要素または構造を検証してください。

Knowledge Base Used: Card Data Pipeline

Prompt To Fix With AI
This is a comment left during a code review.
Path: src/lib/__tests__/cardElements.test.tsx
Line: 148-149

Comment:
**列固有の出力を検証していない**

1列・2列の両テストが、レイアウト分岐より前に常に描画されるユーザー名とフッターだけを検証しています。各列のブロック配置や2列コンテナが壊れても成功するため、レイアウト固有の要素または構造を検証してください。

**Knowledge Base Used:** [Card Data Pipeline](https://app.greptile.com/hiroki-org/-/custom-context/knowledge-base/hiroki-org/github-user-summary/-/docs/card-data-pipeline.md)

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!

weeks: [],
},
},
} as unknown as import("../cardDataFetcher").CardData;

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P2 二重キャストが不完全なモックを隠す

この unknown 経由のキャストは、profile.nameprofile.bioreposlanguagesstreakheatmap などの必須フィールドが欠けたモックを型検査から隠しています。現在も名前が undefined のまま描画され、別ブロックへテストを広げると未定義フィールドの参照で失敗するため、実際の CardData を満たす型付きフィクスチャにしてください。

Knowledge Base Used: Card Data Pipeline

Prompt To Fix With AI
This is a comment left during a code review.
Path: src/lib/__tests__/cardElements.test.tsx
Line: 133

Comment:
**二重キャストが不完全なモックを隠す**

この `unknown` 経由のキャストは、`profile.name``profile.bio``repos``languages``streak``heatmap` などの必須フィールドが欠けたモックを型検査から隠しています。現在も名前が `undefined` のまま描画され、別ブロックへテストを広げると未定義フィールドの参照で失敗するため、実際の `CardData` を満たす型付きフィクスチャにしてください。

**Knowledge Base Used:** [Card Data Pipeline](https://app.greptile.com/hiroki-org/-/custom-context/knowledge-base/hiroki-org/github-user-summary/-/docs/card-data-pipeline.md)

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

@codecov

codecov Bot commented Aug 7, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

@qodo-code-review

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Code Review by Qodo

🐞 Bugs (2) 📘 Rule violations (1) 📜 Skill insights (0)

Grey Divider


Remediation recommended

1. Layout assertions too weak 🐞 Bug ⚙ Maintainability
Description
The new cardTree tests assert only shared header text, so they can pass even if the 1-col/2-col
branching or block placement regresses. This does not validate the claimed “1 col layout” vs “2 col
layout” behavior.
Code

src/lib/tests/cardElements.test.tsx[R165-167]

+    expect(getByText("testuser")).toBeInTheDocument();
+    expect(getByText("github-user-summary")).toBeInTheDocument();
+  });
Evidence
The tests for 1-col and 2-col layouts have identical assertions (only header text), while the
production code’s key behavioral difference is the conditional 2-column wrapper that is rendered
only when options.cols === 2. Without asserting on that conditional structure (or block
placement), the tests won’t detect layout regressions.

src/lib/tests/cardElements.test.tsx[135-167]
src/lib/cardElements.tsx[365-395]

Agent prompt
The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

### Issue description
The new `cardTree` tests don’t verify any DOM differences between `cols: 1` and `cols: 2` (they only check common header strings), so they won’t catch layout regressions.

### Issue Context
`cardTree` conditionally renders the 2-column wrapper only when `options.cols === 2`.

### Fix Focus Areas
- src/lib/__tests__/cardElements.test.tsx[135-167]
- src/lib/cardElements.tsx[330-396]

### Suggested fix
1. Add stable selectors for layout structure (recommended): add `data-testid` attributes in `cardTree` for the root and for the 2-col wrapper + left/right columns.
2. Update tests to assert:
  - For `cols: 1`: the 2-col wrapper is **not** present.
  - For `cols: 2`: the 2-col wrapper **is** present and `bio`/`stats` blocks appear in the expected column (based on `layout`).

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools



Informational

2. Relative import for cardTree 📘 Rule violation ✧ Quality
Description
The new test imports cardTree/errorTree via a relative path even though @/* is configured,
violating the requirement to use @/ for src imports. This can lead to inconsistent import styles
and brittle refactors across the codebase.
Code

src/lib/tests/cardElements.test.tsx[2]

+import { cardTree, errorTree } from "../cardElements";
Evidence
PR Compliance ID 226103 requires imports that resolve within src/ to use the @/ alias instead of
relative paths. The added import uses ../cardElements while tsconfig.json defines @/* to point
at src/*, so the alias is available and should be used.

Rule 226103: Use @/ path alias for src imports in frontend code
src/lib/tests/cardElements.test.tsx[1-5]
tsconfig.json[21-23]

Agent prompt
The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
A newly added import in `src/lib/__tests__/cardElements.test.tsx` pulls from `src` via a relative path (`../cardElements`) instead of using the configured `@/` alias.

## Issue Context
`tsconfig.json` configures `@/*` -> `./src/*`, so imports targeting files under `src/` should use `@/…`.

## Fix Focus Areas
- src/lib/__tests__/cardElements.test.tsx[1-5]
- tsconfig.json[21-23]

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools


3. Unsafe type-cast mocks 🐞 Bug ⚙ Maintainability
Description
The tests force-cast incomplete fixtures with as unknown as CardData/CardRenderOptions, which
bypasses TypeScript validation for these test call sites and can hide accidental shape mismatches.
This reduces the tests’ ability to catch API/contract changes at compile time.
Code

src/lib/tests/cardElements.test.tsx[R141-143]

+      blocks: ["bio"],
+      layout: { bio: "full" },
+    } as unknown as CardRenderOptions;
Evidence
CardRenderOptions has required fields, but the test fixtures omit some of them and rely on `as
unknown as` casts, meaning TypeScript cannot validate those fixtures against the type contract.

src/lib/tests/cardElements.test.tsx[116-176]
src/lib/cardOptions.ts[12-20]

Agent prompt
The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

### Issue description
The added tests use `as unknown as ...` to coerce partial objects into `CardData`/`CardRenderOptions`, disabling compile-time checking for those fixtures.

### Issue Context
`CardRenderOptions` is a fully-specified type (required fields), but the tests omit some required fields and rely on casting.

### Fix Focus Areas
- src/lib/__tests__/cardElements.test.tsx[116-176]
- src/lib/cardOptions.ts[12-20]

### Suggested fix
- Build fully-typed fixtures and avoid `unknown` casts. Prefer:
 - `const mockOptions = { ... } satisfies CardRenderOptions;`
 - `const mockData: CardData = { ... }` (or a small `makeCardData()` helper with defaults).
- If a test truly needs a partial fixture, keep it partial but type it explicitly as `Partial<CardData>` and then narrow/complete it before passing to `cardTree`.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools


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Context used
✅ Compliance rules (platform): 30 rules

To customize comments, go to the Qodo configuration screen, or learn more in the docs.

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@@ -1,3 +1,5 @@
import { render } from "@testing-library/react";
import { cardTree, errorTree } from "../cardElements";

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Informational

1. Relative import for cardtree 📘 Rule violation ✧ Quality

The new test imports cardTree/errorTree via a relative path even though @/* is configured,
violating the requirement to use @/ for src imports. This can lead to inconsistent import styles
and brittle refactors across the codebase.
Agent Prompt
## Issue description
A newly added import in `src/lib/__tests__/cardElements.test.tsx` pulls from `src` via a relative path (`../cardElements`) instead of using the configured `@/` alias.

## Issue Context
`tsconfig.json` configures `@/*` -> `./src/*`, so imports targeting files under `src/` should use `@/…`.

## Fix Focus Areas
- src/lib/__tests__/cardElements.test.tsx[1-5]
- tsconfig.json[21-23]

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

Comment on lines +165 to +167
expect(getByText("testuser")).toBeInTheDocument();
expect(getByText("github-user-summary")).toBeInTheDocument();
});

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Remediation recommended

2. Layout assertions too weak 🐞 Bug ⚙ Maintainability

The new cardTree tests assert only shared header text, so they can pass even if the 1-col/2-col
branching or block placement regresses. This does not validate the claimed “1 col layout” vs “2 col
layout” behavior.
Agent Prompt
### Issue description
The new `cardTree` tests don’t verify any DOM differences between `cols: 1` and `cols: 2` (they only check common header strings), so they won’t catch layout regressions.

### Issue Context
`cardTree` conditionally renders the 2-column wrapper only when `options.cols === 2`.

### Fix Focus Areas
- src/lib/__tests__/cardElements.test.tsx[135-167]
- src/lib/cardElements.tsx[330-396]

### Suggested fix
1. Add stable selectors for layout structure (recommended): add `data-testid` attributes in `cardTree` for the root and for the 2-col wrapper + left/right columns.
2. Update tests to assert:
   - For `cols: 1`: the 2-col wrapper is **not** present.
   - For `cols: 2`: the 2-col wrapper **is** present and `bio`/`stats` blocks appear in the expected column (based on `layout`).

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

Comment on lines +141 to +143
blocks: ["bio"],
layout: { bio: "full" },
} as unknown as CardRenderOptions;

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Informational

3. Unsafe type-cast mocks 🐞 Bug ⚙ Maintainability

The tests force-cast incomplete fixtures with as unknown as CardData/CardRenderOptions, which
bypasses TypeScript validation for these test call sites and can hide accidental shape mismatches.
This reduces the tests’ ability to catch API/contract changes at compile time.
Agent Prompt
### Issue description
The added tests use `as unknown as ...` to coerce partial objects into `CardData`/`CardRenderOptions`, disabling compile-time checking for those fixtures.

### Issue Context
`CardRenderOptions` is a fully-specified type (required fields), but the tests omit some required fields and rely on casting.

### Fix Focus Areas
- src/lib/__tests__/cardElements.test.tsx[116-176]
- src/lib/cardOptions.ts[12-20]

### Suggested fix
- Build fully-typed fixtures and avoid `unknown` casts. Prefer:
  - `const mockOptions = { ... } satisfies CardRenderOptions;`
  - `const mockData: CardData = { ... }` (or a small `makeCardData()` helper with defaults).
- If a test truly needs a partial fixture, keep it partial but type it explicitly as `Partial<CardData>` and then narrow/complete it before passing to `cardTree`.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

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