feat(frontend): extractValue helper for data export

2026-07-06 15:33:30 -04:00
parent 9b55b578f2
commit 523cf1614e
2 changed files with 56 additions and 0 deletions
@@ -0,0 +1,33 @@
+import { extractValue } from '../src/lib/dataExport';
+
+const status = {
+  vitals: 'ok',
+  custom_fields: { 'f-weight': 250 },
+  analysis_summary: { total: 12, success_rate: 0.83, counts: { Success: 10, Failure: 2 } },
+};
+
+describe('extractValue', () => {
+  it('reads a builtin field via statusKey', () => {
+    expect(extractValue(status, { kind: 'builtin', statusKey: 'vitals' })).toBe('ok');
+  });
+  it('reads a custom field via fieldId', () => {
+    expect(extractValue(status, { kind: 'custom', fieldId: 'f-weight' })).toBe(250);
+  });
+  it('reads session-metric total', () => {
+    expect(extractValue(status, { kind: 'total' })).toBe(12);
+  });
+  it('reads session-metric success_rate as a raw 0-1 fraction', () => {
+    expect(extractValue(status, { kind: 'success_rate' })).toBe(0.83);
+  });
+  it('reads a dynamic count category', () => {
+    expect(extractValue(status, { kind: 'category', category: 'Failure' })).toBe(2);
+  });
+  it('returns null when analysis_summary is absent', () => {
+    expect(extractValue({ custom_fields: {} }, { kind: 'total' })).toBeNull();
+    expect(extractValue({}, { kind: 'category', category: 'Success' })).toBeNull();
+  });
+  it('returns null for a missing custom field', () => {
+    expect(extractValue({ custom_fields: {} }, { kind: 'custom', fieldId: 'nope' })).toBeNull();
+    expect(extractValue({}, { kind: 'builtin', statusKey: 'notes' })).toBeNull();
+  });
+});