🧪 Add unit test for DashboardStatsPage#323
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Co-authored-by: is0692vs <135803462+is0692vs@users.noreply.github.com>
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Code Review
This pull request introduces a unit test for the DashboardStatsPage component and updates the Vitest configuration to exclude the page from coverage. The feedback recommends adding an explicit return type to the mock implementation of DashboardStatsClient in the test file to ensure type safety.
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| import { describe, it, expect, vi } from 'vitest'; | ||
| import { render, screen } from '@testing-library/react'; | ||
| import DashboardStatsPage from './page'; | ||
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| vi.mock('@/components/DashboardStatsClient', () => ({ | ||
| default: () => <div data-testid="mock-dashboard-stats-client">Stats Client</div> | ||
| })); |
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According to the general rules, TypeScript functions and mock implementations should have explicit return types to maintain type safety and API clarity. Please add an explicit return type (e.g., ReactElement) to the mock implementation of DashboardStatsClient.
| import { describe, it, expect, vi } from 'vitest'; | |
| import { render, screen } from '@testing-library/react'; | |
| import DashboardStatsPage from './page'; | |
| vi.mock('@/components/DashboardStatsClient', () => ({ | |
| default: () => <div data-testid="mock-dashboard-stats-client">Stats Client</div> | |
| })); | |
| import { describe, it, expect, vi } from 'vitest'; | |
| import { render, screen } from '@testing-library/react'; | |
| import type { ReactElement } from 'react'; | |
| import DashboardStatsPage from './page'; | |
| vi.mock('@/components/DashboardStatsClient', () => ({ | |
| default: (): ReactElement => <div data-testid="mock-dashboard-stats-client">Stats Client</div> | |
| })); |
References
- In TypeScript, ensure functions and mock implementations have explicit return types and use async functions for mocks returning Promises to maintain type safety and readability.
Codecov Report✅ All modified and coverable lines are covered by tests. 📢 Thoughts on this report? Let us know! |
1 participant
🎯 What: The missing test file for
src/app/dashboard/stats/page.tsxwas added to close a testing gap for the statistics page layout/wrapper.📊 Coverage: A basic rendering test using
vitestand@testing-library/reactwas added. It covers the happy path scenario by mocking the childDashboardStatsClientcomponent and verifying the page renders it correctly. Additionally, the component was added tovitest.config.tscoverage includes.✨ Result: Test coverage for
DashboardStatsPagehas reached 100%, and the test acts as a safety net against regression, ensuring the correct client wrapper is mounted.PR created automatically by Jules for task 11933873095340666771 started by @is0692vs
Greptile Summary
このPRでは、
DashboardStatsPage（src/app/dashboard/stats/page.tsx）に対する単体テストを追加し、vitest.config.tsのカバレッジ対象にも加えています。page.test.tsx:DashboardStatsClientをモック化したうえでDashboardStatsPageがそれをレンダリングするかを検証するシンプルなテスト。対象コンポーネントがreturn <DashboardStatsClient />のみのラッパーであるため、このテストで100%カバレッジを達成している。vitest.config.ts:coverage.includeにsrc/app/dashboard/stats/page.tsxを追加。既存の設定パターンと一致しており、変更は適切。Confidence Score: 5/5
テスト追加とカバレッジ設定の変更のみであり、プロダクションコードへの影響はなく安全にマージできます。
変更はテストファイルと
vitest.config.tsの2ファイルのみ。対象のDashboardStatsPageがDashboardStatsClientを返すだけのシンプルなラッパーであり、モック設定とアサーションも正確に対応している。既存のカバレッジ設定パターンとも整合しており、問題は見当たらない。特に注意が必要なファイルはありません。
Important Files Changed
Sequence Diagram
sequenceDiagram participant Test as page.test.tsx participant Page as DashboardStatsPage participant Mock as Mock(DashboardStatsClient) Test->>Page: "render(<DashboardStatsPage />)" Page->>Mock: "<DashboardStatsClient />" Mock-->>Page: "<div data-testid="mock-dashboard-stats-client">" Page-->>Test: DOM returned Test->>Test: expect(getByTestId(...)).toBeInTheDocument()Reviews (1): Last reviewed commit: "🧪 Add unit test for DashboardStatsPage" | Re-trigger Greptile