1 files changed, 34 insertions, 1 deletions
diff --git a/src/lib/server/services/references.test.ts b/src/lib/server/services/references.test.ts
index bcefbd0..fa3fc97 100644
--- a/src/lib/server/services/references.test.ts
+++ b/src/lib/server/services/references.test.ts
@@ -2,7 +2,7 @@ import { describe, it, expect, beforeEach } from 'vitest';
 import { groceries, references } from '$lib/server/db/schema';
 import { eq } from 'drizzle-orm';
 import { createTestDb, type TestDb } from '$lib/server/db/test-helper';
-import { loadForGrocery, add, deleteReference } from './references';
+import { loadForGrocery, add, promote, deleteReference } from './references';
 
 describe('references service', () => {
 	let db: TestDb['db'];
@@ -73,6 +73,39 @@ describe('references service', () => {
 		expect(rows).toHaveLength(1);
 	});
 
+	it('promote puts the ref first and clears any sibling primary', async () => {
+		const now = Temporal.Now.instant().toString({
+			smallestUnit: 'millisecond',
+		});
+		const [g] = await db
+			.insert(groceries)
+			.values({ name: 'coffee', checked: false, createdAt: now })
+			.returning();
+		const [a] = await db
+			.insert(references)
+			.values({ groceryId: g.id, reference: 'A', qualityScore: 90 })
+			.returning();
+		const [b] = await db
+			.insert(references)
+			.values({ groceryId: g.id, reference: 'B' })
+			.returning();
+
+		await promote(b.id, db);
+		let refs = await loadForGrocery(g.id, db);
+		expect(refs.map((r) => r.reference)).toEqual(['B', 'A']);
+
+		await promote(a.id, db);
+		refs = await loadForGrocery(g.id, db);
+		expect(refs.map((r) => r.reference)).toEqual(['A', 'B']);
+
+		const rows = await db
+			.select()
+			.from(references)
+			.where(eq(references.groceryId, g.id));
+		expect(rows.filter((r) => r.isPrimary)).toHaveLength(1);
+		expect(rows.find((r) => r.id === a.id)?.isPrimary).toBe(true);
+	});
+
 	it('deleteReference removes the ref', async () => {
 		const now = Temporal.Now.instant().toString({
 			smallestUnit: 'millisecond',