🧪 Add missing error handling test for fetchCommitDatesForTopRepos#351
🧪 Add missing error handling test for fetchCommitDatesForTopRepos#351is0692vs wants to merge 4 commits into
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Code Review
This pull request adds a new test case to verify that the system falls back to an empty array and logs an error when fetchCommitDatesForTopRepos throws an exception. The reviewer suggested refactoring the mock implementation of mockFetch to be an async function with an explicit return type (Promise<Response>) instead of manually wrapping the responses in Promise.resolve, which improves type safety and readability.
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| mockFetch.mockImplementation((url: string | URL | Request) => { | ||
| const urlStr = typeof url === "string" ? url : url instanceof URL ? url.toString() : (url as Request).url; | ||
| if (urlStr.includes("/graphql")) { | ||
| callCount++; | ||
| if (callCount === 1) { | ||
| // combined query | ||
| return Promise.resolve(jsonResponse({ | ||
| data: { | ||
| user: { | ||
| id: "MDQ6VXNlcjEyMzQ1", | ||
| contributionsCollection: { | ||
| totalCommitContributions: 10, | ||
| totalPullRequestContributions: 0, | ||
| totalIssueContributions: 0, | ||
| totalPullRequestReviewContributions: 0, | ||
| contributionCalendar: { | ||
| totalContributions: 10, | ||
| weeks: [] | ||
| }, | ||
| commitContributionsByRepository: [ | ||
| { | ||
| repository: { owner: { login: "user1" }, name: "repo1" }, | ||
| contributions: { totalCount: 10 } | ||
| } | ||
| ], | ||
| pullRequestContributionsByRepository: [], | ||
| issueContributionsByRepository: [] | ||
| } | ||
| } | ||
| } | ||
| })); | ||
| } | ||
| if (callCount === 2) { | ||
| // Fail the batch query by throwing an error directly | ||
| throw new Error("Simulated network failure for commit dates"); | ||
| } | ||
| } | ||
| return Promise.resolve(jsonResponse([], 200)); | ||
| }); |
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According to our general rules, mock implementations returning Promises should be defined as async functions and have explicit return types to maintain type safety and readability.
Please update the mock implementation of mockFetch to be an async function returning Promise<Response> and return the responses directly instead of wrapping them in Promise.resolve.
mockFetch.mockImplementation(async (url: string | URL | Request): Promise<Response> => {
const urlStr = typeof url === "string" ? url : url instanceof URL ? url.toString() : (url as Request).url;
if (urlStr.includes("/graphql")) {
callCount++;
if (callCount === 1) {
// combined query
return jsonResponse({
data: {
user: {
id: "MDQ6VXNlcjEyMzQ1",
contributionsCollection: {
totalCommitContributions: 10,
totalPullRequestContributions: 0,
totalIssueContributions: 0,
totalPullRequestReviewContributions: 0,
contributionCalendar: {
totalContributions: 10,
weeks: []
},
commitContributionsByRepository: [
{
repository: { owner: { login: "user1" }, name: "repo1" },
contributions: { totalCount: 10 }
}
],
pullRequestContributionsByRepository: [],
issueContributionsByRepository: []
}
}
}
});
}
if (callCount === 2) {
// Fail the batch query by throwing an error directly
throw new Error("Simulated network failure for commit dates");
}
}
return jsonResponse([], 200);
});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.
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Co-authored-by: is0692vs <135803462+is0692vs@users.noreply.github.com>
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Closing because after updating with the latest main, this branch now contains many unrelated diffs, including auth and dashboard changes outside the intended fetchCommitDatesForTopRepos test. It no longer satisfies the safe-merge criteria for a narrow test PR. |
Understood. Acknowledging that this work is now obsolete due to the unrelated diffs and stopping work on this task. |
1 participant
🎯 What: Added a missing error handling test case for the
fetchCommitDatesForTopReposbatch query logic.📊 Coverage: Covered the scenario where the inner
graphqlfetch actually throws an exception (e.g. simulating a network failure) instead of returning an API error response. This ensures thecatch (error)block logs the exception and safely falls back to returning an empty array without crashing the entirefetchYearInReviewDatarequest.✨ Result: Improved test reliability and ensured safe fallback paths are accurately exercised and verified by Vitest.
PR created automatically by Jules for task 12597517270863271554 started by @is0692vs
Greptile Summary
このPRは、
fetchCommitDatesForTopReposのバッチクエリが同期的な例外をスローした場合（ネットワーク障害のシミュレーション）に、catch (error)ブロックがエラーをログに残して空配列を返すフォールバック動作を正しくカバーするテストケースを追加します。throwによる例外スローパスを新たにカバーしているexpect.assertions(2)を先頭に配置することで、フォールバックパスが実際に通過したことをアサーションレベルで保証する設計になっているfinallyブロックで行われており、隣接する既存テストのパターンと一貫しているConfidence Score: 5/5
テストのみの変更で、実装コードへの影響はない。新規テストはフォールバックパスを正しく検証している。
変更はテストファイルのみで、実装コードへの変更はない。追加されたテストは fetchCommitDatesForTopRepos の catch ブロックを正しく網羅しており、expect.assertions(2) による保護も適切に配置されている。
特に注意が必要なファイルはない。
Important Files Changed
Reviews (3): Last reviewed commit: "🧪 Add missing error handling test for f..." | Re-trigger Greptile