🧪 Add testing for nexus/frontend/src/lib/api.ts#24
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Co-authored-by: Adityavanjre <66417028+Adityavanjre@users.noreply.github.com>
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📝 WalkthroughWalkthroughThis PR adds Jest configuration and setup for the frontend, a test npm script and test-related devDependencies, a comprehensive Jest test suite for API interceptors, a CI workflow environment tweak, and ajv version override updates in root and backend package.json files. ChangesFrontend Jest Testing Infrastructure
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~25 minutes 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Co-authored-by: Adityavanjre <66417028+Adityavanjre@users.noreply.github.com>
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Co-authored-by: Adityavanjre <66417028+Adityavanjre@users.noreply.github.com>
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Actionable comments posted: 3
🧹 Nitpick comments (3)
.github/workflows/ci.yml (1)
20-21: 💤 Low valueDocument the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 workaround.
Setting
FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: trueis a workaround for GitHub Actions' Node.js 16 deprecation. While this fixes immediate CI failures, it should be temporary.Consider:
- Adding an inline comment explaining this is a temporary workaround
- Tracking removal of this env var once the GitHub Actions ecosystem fully migrates to Node 24+
- Moving it to job-level
envinstead of per-step if it's needed across multiple steps📝 Suggested documentation improvement
+# Temporary workaround for GitHub Actions Node.js 16 deprecation +# TODO: Remove once actions/checkout@v5 and actions/setup-node@v5 are available +env: + FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true + jobs: build-and-validate: name: Build & Validate runs-on: ubuntu-latest steps: - name: Checkout Code uses: actions/checkout@v4 - env: - FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true - name: Setup Node.js uses: actions/setup-node@v4 - env: - FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true with: node-version: '22.12.0'Also applies to: 25-26
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In @.github/workflows/ci.yml around lines 20 - 21, Add an inline comment next to the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 environment variable to mark it as a temporary workaround for GitHub Actions Node.js 16 deprecation, and include a TODO to remove this env var once Actions fully migrate to Node 24+; if this env var is required across multiple steps, move FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 from the step-level env to the job-level env in the ci workflow so it's defined once and easier to remove later (reference the symbol FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 in .github/workflows/ci.yml).nexus/frontend/src/lib/__tests__/api.test.ts (2)
28-29: 💤 Low valueRemove unused console mocks or verify their usage.
Console mocks are set up but never verified in any test. If the API module logs warnings/errors that should be silenced during tests, this is fine. Otherwise, consider removing these mocks to keep the setup minimal.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@nexus/frontend/src/lib/__tests__/api.test.ts` around lines 28 - 29, Remove the unused console mocks (jest.spyOn(console, 'warn') and jest.spyOn(console, 'error')) from api.test.ts if they are not asserting behavior, or if you intended to silence and verify logs, add explicit assertions (e.g., expect(console.warn).toHaveBeenCalledWith(...) / expect(console.error).not.toHaveBeenCalled()) in the relevant tests and restore the spies in an afterEach to avoid test leakage; ensure the changes touch the jest.spyOn(console, 'warn') and jest.spyOn(console, 'error') lines.
161-172: ⚖️ Poor tradeoffAdd test case for concurrent 401 handling with refresh lock.
The API module already implements a lock mechanism to prevent multiple concurrent refresh attempts (using
isRefreshingflag andfailedQueue). Add a test that verifies when multiple requests receive 401 TOKEN_EXPIRED simultaneously, only one refresh is triggered and all queued requests resolve after refresh completes.🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@nexus/frontend/src/lib/__tests__/api.test.ts` around lines 161 - 172, Add a new test that simulates multiple concurrent 401 TOKEN_EXPIRED responses to verify the refresh lock (isRefreshing and failedQueue) prevents duplicate refresh calls: trigger multiple api.get("/protected") calls concurrently while mocking mockApi to reply 401 once per concurrent request and mockAxios.onPost(/\/auth\/refresh/) to reply 200 with { user: { id: 1 } }, then assert mockAxios.post (the refresh) was called exactly once, ensureNetworkConsent was called, localStorage.setItem was called with "k_user" and the refreshed user, and all original request promises resolved with the refreshed response; reference symbols: isRefreshing, failedQueue, api.get, mockApi, mockAxios, ensureNetworkConsent, and window.localStorage.setItem.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@nexus/frontend/src/lib/__tests__/api.test.ts`:
- Line 25: The test saves originalLocation (const originalLocation) but never
mocks window.location in beforeEach; either mock window.location.reload in
beforeEach (create a mocked window.location/reload and use it in tests, then
restore the saved originalLocation in afterEach where originalLocation is used)
or remove the save/restore logic (delete const originalLocation and the
restoration at the end) to eliminate the inconsistent mocking; update
beforeEach/afterEach and the test names referencing reload accordingly and
adjust references to originalLocation, window.location.reload, and the test that
expects a reload behavior.
- Around line 161-172: Add a new test in
nexus/frontend/src/lib/__tests__/api.test.ts that simulates a TOKEN_EXPIRED 401
from mockApi for api.get("/protected") and then makes
mockAxios.onPost(/\/auth\/refresh/) fail (e.g., 401/403 or network error), then
assert that api.get rejects, window.localStorage.removeItem was called with
"k_user", and window.dispatchEvent was called with a CustomEvent whose type is
"session-expired"; reference existing test helpers and mocks (mockApi,
mockAxios, api.get, ensureNetworkConsent) to mirror the successful-refresh test
setup but assert logout/dispatch on refresh failure.
In `@package.json`:
- Line 71: The package dependency "ajv" was downgraded to "^8.12.0",
reintroducing CVE-2025-69873; update the dependency entry for "ajv" in
package.json back to "^8.18.0" (or later compatible 8.x) and regenerate the
lockfile (run npm install / yarn install) so the resolved version is >= 8.18.0
to eliminate the ReDoS vulnerability; ensure the change references the "ajv" key
in package.json and commit the updated package.json and lockfile.
---
Nitpick comments:
In @.github/workflows/ci.yml:
- Around line 20-21: Add an inline comment next to the
FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 environment variable to mark it as a
temporary workaround for GitHub Actions Node.js 16 deprecation, and include a
TODO to remove this env var once Actions fully migrate to Node 24+; if this env
var is required across multiple steps, move FORCE_JAVASCRIPT_ACTIONS_TO_NODE24
from the step-level env to the job-level env in the ci workflow so it's defined
once and easier to remove later (reference the symbol
FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 in .github/workflows/ci.yml).
In `@nexus/frontend/src/lib/__tests__/api.test.ts`:
- Around line 28-29: Remove the unused console mocks (jest.spyOn(console,
'warn') and jest.spyOn(console, 'error')) from api.test.ts if they are not
asserting behavior, or if you intended to silence and verify logs, add explicit
assertions (e.g., expect(console.warn).toHaveBeenCalledWith(...) /
expect(console.error).not.toHaveBeenCalled()) in the relevant tests and restore
the spies in an afterEach to avoid test leakage; ensure the changes touch the
jest.spyOn(console, 'warn') and jest.spyOn(console, 'error') lines.
- Around line 161-172: Add a new test that simulates multiple concurrent 401
TOKEN_EXPIRED responses to verify the refresh lock (isRefreshing and
failedQueue) prevents duplicate refresh calls: trigger multiple
api.get("/protected") calls concurrently while mocking mockApi to reply 401 once
per concurrent request and mockAxios.onPost(/\/auth\/refresh/) to reply 200 with
{ user: { id: 1 } }, then assert mockAxios.post (the refresh) was called exactly
once, ensureNetworkConsent was called, localStorage.setItem was called with
"k_user" and the refreshed user, and all original request promises resolved with
the refreshed response; reference symbols: isRefreshing, failedQueue, api.get,
mockApi, mockAxios, ensureNetworkConsent, and window.localStorage.setItem.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
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⛔ Files ignored due to path filters (1)
package-lock.jsonis excluded by!**/package-lock.json
📒 Files selected for processing (7)
.github/workflows/ci.ymlnexus/backend/package.jsonnexus/frontend/jest.config.tsnexus/frontend/jest.setup.tsnexus/frontend/package.jsonnexus/frontend/src/lib/__tests__/api.test.tspackage.json
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🎯 What: The
nexus/frontend/src/lib/api.tsfile lacked comprehensive unit tests. We added tests using Jest,jsdom, andaxios-mock-adapter.📊 Coverage: The test suite covers logic for API initialization, interceptor operations (like CSRF token injection for mutations vs queries), and complex network layer handling like caching logic, 401 retry cycles, offline network detection (
ERR_NETWORK), and token expiration refresh flows.✨ Result: Test coverage for
nexus/frontend/src/lib/api.tshas been extensively improved to prevent regressions in network interceptors and backend communication handlers.PR created automatically by Jules for task 12264907712659456780 started by @Adityavanjre
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