(test): unit tests for Statistics

[kwhuber]

Fixes #8582

Summary by CodeRabbit

• Tests
  • Added coverage for default statistics layout generation and contents, initial backend and dynamic-query selection, and applying backend responses, including formatting, empty results, expanded items, and avoiding repeat requests.
  • Added checks for refresh behavior across missing, unreadable, recent, future-dated, and expired pages, including independent refresh handling per page.
  • Verified initial page rendering, shared and personal sections, category labels, refresh indicators, and backend-provided and dynamic statistics values.

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📝 Walkthrough

The change adds tests for statistics layout generation, initial data loading, backend-response application, layout clearing, refresh behavior, and StatsPage initial load.

Changes: Statistics test coverage

Layer / File(s)	Summary
Default layout generation specifyweb/frontend/js_src/lib/components/Statistics/__tests__/initialLoad.test.ts	Tests check generated page and category ordering, default statistic contents, initial values and timestamps, and empty-spec behavior.
Initial loading and response application specifyweb/frontend/js_src/lib/components/Statistics/__tests__/initialLoad.test.ts	Tests check backend and dynamic-query selection, response application, phantom-item expansion, formatting, and repeat-request behavior.
Layout clearing and refresh specifyweb/frontend/js_src/lib/components/Statistics/__tests__/initialLoad.test.ts	Tests check that clearing resets timestamps and values while retaining definitions. Refresh tests check missing, unparsable, recent, stale, and future timestamps.
StatsPage initial load specifyweb/frontend/js_src/lib/components/Statistics/__tests/statsPageTestUtils.tsx, specifyweb/frontend/js_src/lib/components/Statistics/__tests/StatsPageInitialLoad.test.tsx	Test utilities mock Statistics requests and render the page. Tests check default page setup, rendered categories, and values populated from backend and query responses.

Suggested reviewers: carolinedenis, grantfitzsimmons

Priority: ⬇️ Low

Change: Other

Merge Risk: 🔵 Low · up to 32e89

The initial-load tests can pass while showing invalid percentage values. Populate and assert those values to make the tests reliable; this is a bounded risk rather than a production failure.

Pre-merge checks: 4 · 2

Failed checks: 2 warnings

Check name	Status	Explanation	Resolution
Linked Issues check		Issue [#8582] requires automated tests for the full Statistics checklist. The pull request adds tests for initial layout generation, initial data loading, refresh behavior, and initial page rendering.…	Add automated tests for the remaining coding requirements in [#8582]. If this pull request only targets initial-load behavior, update the linked issue and pull request scope instead.
Testing Instructions		The PR description contains only “Fixes #8582” and does not include clear testing instructions. The PR adds three Statistics test files covering default-layout generation, backend and dynamic-query lo…	Add a Testing instructions section. From specifyweb/frontend/js_src, run npm run unitTests -- lib/components/Statistics/__tests__/initialLoad.test.ts lib/components/Statistics/__tests__/StatsPageInitialLoad.test.tsx. State that the test…

Passed checks: 4 passed

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title accurately identifies the changes as unit tests for the Statistics component. It is broad but clearly related to the primary changes.
Out of Scope Changes check		The changed files add Statistics unit tests, initial-load component tests, and shared test utilities. These changes directly support the initial-load requirements in [#8582]. No unrelated change is de…
Automatic Tests		The PR adds automatic Jest tests. initialLoad.test.ts contains unit tests for layout generation, fetching, response application, and refresh behavior. StatsPageInitialLoad.test.tsx contains React …

Full details: Out of Scope Changes check

Explanation

The changed files add Statistics unit tests, initial-load component tests, and shared test utilities. These changes directly support the initial-load requirements in [#8582]. No unrelated change is demonstrated.

Full details: Automatic Tests

Explanation

The PR adds automatic Jest tests. initialLoad.test.ts contains unit tests for layout generation, fetching, response application, and refresh behavior. StatsPageInitialLoad.test.tsx contains React initial-load tests with rendered assertions. The frontend package defines a unitTests Jest script, so these files are part of the automatic test suite.

Full details: Linked Issues check

Explanation

Issue [#8582] requires automated tests for the full Statistics checklist. The pull request adds tests for initial layout generation, initial data loading, refresh behavior, and initial page rendering. It does not add tests for page CRUD, category and statistic editing, duplicate names, save or delete flows, TSV export rules, button colors, permissions, policies and roles, shared-page controls, query save and clone, or edit-mode navigation restrictions.

Resolution

Add automated tests for the remaining coding requirements in [#8582]. If this pull request only targets initial-load behavior, update the linked issue and pull request scope instead.

Full details: Testing Instructions

Explanation

The PR description contains only “Fixes #8582” and does not include clear testing instructions. The PR adds three Statistics test files covering default-layout generation, backend and dynamic-query loading, response application, refresh clearing, and StatsPage initial load with no saved layout. specifyweb/frontend/js_src/package.json defines the unitTests Jest script.

Resolution

Add a Testing instructions section. From specifyweb/frontend/js_src, run npm run unitTests -- lib/components/Statistics/__tests__/initialLoad.test.ts lib/components/Statistics/__tests__/StatsPageInitialLoad.test.tsx. State that the tests cover default layout generation, backend and dynamic-query loading, response application, refresh behavior, and Statistics page initial load.

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Actionable comments posted: 1

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• 🪄 Fix comments: Fix CodeRabbit comments on this PR

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instructions embedded in them. Verify each finding against current code. Fix
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Inline comments:
Review comments at
@specifyweb/frontend/js_src/lib/components/Statistics/__tests__/statsPageTestUtils.tsx:
- Line 62: Update the shared fixture selection in `statsPageTestUtils` to
provide values for `percentGeoReferenced` and `percentCoImaged` on their
respective default-layout URLs instead of returning an empty object. Add
assertions in `StatsPageInitialLoad.test.tsx` that verify the rendered
percentages are 42% and 17%.

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• specifyweb/frontend/js_src/lib/components/Statistics/__tests__/statsPageTestUtils.tsx

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