feat(frontend): buildMatrix pivots statuses into date×subject grid

2026-07-06 15:37:33 -04:00
parent 3f8febfda3
commit b5578f6e24
2 changed files with 114 additions and 0 deletions
@@ -70,3 +70,58 @@ describe('listExportableParams', () => {
    expect(listExportableParams(undefined, undefined).length).toBe(2); // just the two fixed metrics
  });
 });
+
+import { buildMatrix } from '../src/lib/dataExport';
+
+const animals = [
+  { id: 'a2', animal_name: 'Beta', animal_id_string: 'R-002' },
+  { id: 'a1', animal_name: 'Alpha', animal_id_string: 'R-001' },
+];
+const totalParam = { kind: 'total' };
+
+describe('buildMatrix', () => {
+  it('orders columns by animal_name and rows by date ascending', () => {
+    const statuses = [
+      { animal_id: 'a1', date: '2026-07-02T00:00:00.000Z', analysis_summary: { total: 5 } },
+      { animal_id: 'a2', date: '2026-07-01T00:00:00.000Z', analysis_summary: { total: 9 } },
+    ];
+    const m = buildMatrix(statuses, animals, totalParam);
+    expect(m.columns.map((c) => c.header)).toEqual(['Alpha', 'Beta']);
+    expect(m.rows.map((r) => r.date)).toEqual(['2026-07-01', '2026-07-02']);
+    // Row for 07-01: Alpha blank, Beta 9
+    expect(m.rows[0].values).toEqual(['', 9]);
+    // Row for 07-02: Alpha 5, Beta blank
+    expect(m.rows[1].values).toEqual([5, '']);
+  });
+  it('includes only dates that have at least one value (0 counts as a value)', () => {
+    const statuses = [
+      { animal_id: 'a1', date: '2026-07-01T00:00:00.000Z', analysis_summary: { total: 0 } },
+      { animal_id: 'a1', date: '2026-07-03T00:00:00.000Z', analysis_summary: null }, // no value
+    ];
+    const m = buildMatrix(statuses, animals, totalParam);
+    expect(m.rows.map((r) => r.date)).toEqual(['2026-07-01']);
+    expect(m.rows[0].values).toEqual([0, '']);
+  });
+  it('disambiguates duplicate animal names with the id string', () => {
+    const dupAnimals = [
+      { id: 'a1', animal_name: 'Rat', animal_id_string: 'R-001' },
+      { id: 'a2', animal_name: 'Rat', animal_id_string: 'R-002' },
+    ];
+    const statuses = [{ animal_id: 'a1', date: '2026-07-01T00:00:00.000Z', analysis_summary: { total: 1 } }];
+    const m = buildMatrix(statuses, dupAnimals, totalParam);
+    expect(m.columns.map((c) => c.header)).toEqual(['Rat (R-001)', 'Rat (R-002)']);
+  });
+  it('keeps the first status when a subject has duplicates on one date', () => {
+    const statuses = [
+      { animal_id: 'a1', date: '2026-07-01T00:00:00.000Z', analysis_summary: { total: 7 } },
+      { animal_id: 'a1', date: '2026-07-01T00:00:00.000Z', analysis_summary: { total: 99 } },
+    ];
+    const m = buildMatrix(statuses, animals, totalParam);
+    expect(m.rows[0].values).toEqual([7, '']);
+  });
+  it('returns empty rows when no status has a value', () => {
+    const m = buildMatrix([{ animal_id: 'a1', date: '2026-07-01T00:00:00.000Z', analysis_summary: null }], animals, totalParam);
+    expect(m.rows).toEqual([]);
+    expect(m.columns.length).toBe(2);
+  });
+});