feat(compare): academics strips with England anchors and More measures

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0146VHeLAWjDVE2B5uU67jCB
2026-07-13 23:50:29 +01:00
parent 9f2260ce50
commit 2573cd2490
3 changed files with 338 additions and 0 deletions
@@ -229,3 +229,31 @@ describe('stripPositions', () => {
    expect(pts[0].pos).toBe(0);
  });
 });
+
+describe('latestValues', () => {
+  const data = {
+    '1': {
+      yearly_data: [
+        { year: 202324, rwm_expected_pct: 75 },
+        { year: 202425, rwm_expected_pct: 87 },
+      ],
+    },
+    '2': {
+      yearly_data: [
+        { year: 202324, rwm_expected_pct: 82 },
+        { year: 202425, rwm_expected_pct: null },
+      ],
+    },
+  };
+
+  it('takes the latest non-null value per school in urn order', async () => {
+    const { latestValues } = await import('@/lib/compareLogic');
+    expect(latestValues(data, [1, 2], 'rwm_expected_pct')).toEqual([87, 82]);
+  });
+
+  it('returns null for unknown schools and metrics', async () => {
+    const { latestValues } = await import('@/lib/compareLogic');
+    expect(latestValues(data, [3], 'rwm_expected_pct')).toEqual([null]);
+    expect(latestValues(data, [1], 'nope')).toEqual([null]);
+  });
+});