🧪 Add tests for ActionButtons component#369
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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 comprehensive suite of unit tests for the ActionButtons component in src/components/ActionButtons.test.tsx using Vitest and React Testing Library. It also updates vitest.config.ts to include src/components/ActionButtons.tsx in the configuration. No review comments were provided, and there is no additional feedback to address.
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| describe("ActionButtons", () => { | ||
| const defaultProps = { | ||
| handleCopy: vi.fn(), | ||
| handleDownload: vi.fn(), | ||
| previewUrl: "https://example.com/preview.png", | ||
| copyStatus: "idle" as const, | ||
| }; |
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describe ブロックのトップレベルで vi.fn() を一度だけ生成しているため、各テスト間でモックがリセットされません。現在のテストコードでは defaultProps.handleCopy / handleDownload に対して直接アサーションしていないため実害はありませんが、将来テストを追加した際に呼び出し回数が蓄積されてテストが誤って失敗するリスクがあります。beforeEach でモックをクリアするのが望ましいです。
| describe("ActionButtons", () => { | |
| const defaultProps = { | |
| handleCopy: vi.fn(), | |
| handleDownload: vi.fn(), | |
| previewUrl: "https://example.com/preview.png", | |
| copyStatus: "idle" as const, | |
| }; | |
| describe("ActionButtons", () => { | |
| const defaultProps = { | |
| handleCopy: vi.fn(), | |
| handleDownload: vi.fn(), | |
| previewUrl: "https://example.com/preview.png", | |
| copyStatus: "idle" as const, | |
| }; | |
| beforeEach(() => { | |
| vi.clearAllMocks(); | |
| }); |
Prompt To Fix With AI
This is a comment left during a code review.
Path: src/components/ActionButtons.test.tsx
Line: 8-14
Comment:
`describe` ブロックのトップレベルで `vi.fn()` を一度だけ生成しているため、各テスト間でモックがリセットされません。現在のテストコードでは `defaultProps.handleCopy` / `handleDownload` に対して直接アサーションしていないため実害はありませんが、将来テストを追加した際に呼び出し回数が蓄積されてテストが誤って失敗するリスクがあります。`beforeEach` でモックをクリアするのが望ましいです。
```suggestion
describe("ActionButtons", () => {
const defaultProps = {
handleCopy: vi.fn(),
handleDownload: vi.fn(),
previewUrl: "https://example.com/preview.png",
copyStatus: "idle" as const,
};
beforeEach(() => {
vi.clearAllMocks();
});
```
How can I resolve this? If you propose a fix, please make it concise.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!
| // @vitest-environment jsdom | ||
| import { render, screen } from "@testing-library/react"; |
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vitest.config.ts ですでに environment: "jsdom" がグローバル設定されているため、このファイル先頭の // @vitest-environment jsdom ディレクティブは冗長です。削除することで設定の重複を避けられます。
| // @vitest-environment jsdom | |
| import { render, screen } from "@testing-library/react"; | |
| import { render, screen } from "@testing-library/react"; |
Prompt To Fix With AI
This is a comment left during a code review.
Path: src/components/ActionButtons.test.tsx
Line: 1-2
Comment:
`vitest.config.ts` ですでに `environment: "jsdom"` がグローバル設定されているため、このファイル先頭の `// @vitest-environment jsdom` ディレクティブは冗長です。削除することで設定の重複を避けられます。
```suggestion
import { render, screen } from "@testing-library/react";
```
How can I resolve this? If you propose a fix, please make it concise.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!
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| it("renders 'Copied!' text when copyStatus is 'copied'", () => { | ||
| render(<ActionButtons {...defaultProps} copyStatus="copied" />); | ||
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| expect(screen.getByRole("button", { name: /Copied!/i })).toBeInTheDocument(); | ||
| expect(screen.queryByRole("button", { name: /Copy Image/i })).not.toBeInTheDocument(); | ||
| }); | ||
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| it("disables both buttons when previewUrl is null", () => { |
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copyStatus="error" の状態がテストされていない
copyStatus の型は "idle" | "copied" | "error" の3値ですが、"error" ケースのテストが存在しません。現在のコンポーネント実装では "error" は "idle" と同じ表示になりますが、将来の変更でエラー用の表示が追加された際にカバレッジが不足します。少なくとも "error" の場合に "Copy Image" ボタンが表示されることを確認するテストの追加を推奨します。
Prompt To Fix With AI
This is a comment left during a code review.
Path: src/components/ActionButtons.test.tsx
Line: 22-30
Comment:
**`copyStatus="error"` の状態がテストされていない**
`copyStatus` の型は `"idle" | "copied" | "error"` の3値ですが、`"error"` ケースのテストが存在しません。現在のコンポーネント実装では `"error"` は `"idle"` と同じ表示になりますが、将来の変更でエラー用の表示が追加された際にカバレッジが不足します。少なくとも `"error"` の場合に "Copy Image" ボタンが表示されることを確認するテストの追加を推奨します。
How can I resolve this? If you propose a fix, please make it concise.1 participant
🎯 What: This PR addresses a testing gap by adding comprehensive tests for the
ActionButtonscomponent, ensuring reliable behavior for its UI states and click interactions.📊 Coverage: The tests now cover the following scenarios:
previewUrlisnull.previewUrlis provided.handleCopyandhandleDownload) successfully on interaction.✨ Result: Test coverage for
ActionButtons.tsxis now effectively 100%, contributing to a more robust component testing suite and safer future refactoring.PR created automatically by Jules for task 17690030483839308914 started by @is0692vs
Greptile Summary
このPRは
ActionButtonsコンポーネントに対する新規テストファイルを追加し、vitest.config.tsのカバレッジ対象にも同コンポーネントを追加します。ActionButtons.test.tsxに6つのテストケースを追加。idle/copied 状態の表示切り替え、previewUrlの null/非null によるボタンの enabled/disabled、クリックハンドラーの呼び出しを網羅。vitest.config.tsのカバレッジincludeリストにsrc/components/ActionButtons.tsxを追加し、カバレッジレポートの対象とした。Confidence Score: 4/5
テストのみの変更であり、プロダクションコードへの影響はありません。安全にマージ可能です。
テストロジックは概ね正確で、コンポーネントの主要な振る舞いをカバーしています。ただし
describeスコープで生成したvi.fn()モックがテスト間でリセットされない点、// @vitest-environment jsdomディレクティブの冗長な記述、copyStatus="error"ケースのテスト欠落という軽微な改善点があります。src/components/ActionButtons.test.tsx — モックのリセット処理と error 状態のテストカバレッジを確認してください。
Important Files Changed
Sequence Diagram
sequenceDiagram participant Test as テストケース participant RTL as Testing Library participant Comp as ActionButtons Test->>RTL: "render(ActionButtons copyStatus=idle)" RTL->>Comp: マウント Comp-->>RTL: Copy Image / Download PNG ボタン描画 RTL-->>Test: screen クエリ可能 Test->>RTL: "render(ActionButtons copyStatus=copied)" RTL->>Comp: マウント Comp-->>RTL: Copied! ボタン描画 Test->>RTL: "render(ActionButtons previewUrl=null)" RTL->>Comp: マウント Comp-->>RTL: 両ボタンを disabled で描画 Test->>RTL: userEvent.click(copyButton) RTL->>Comp: onClick イベント発火 Comp->>Test: handleCopy() 呼び出し確認Prompt To Fix All With AI
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