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import { describe, it, expect, beforeEach } from 'vitest';
import { groceries, categories, references } from '$lib/server/db/schema';
import { eq } from 'drizzle-orm';
import { createTestDb, type TestDb } from '$lib/server/db/test-helper';
import { GroceriesService } from './groceries';
describe('groceries service', () => {
let db: TestDb['db'];
let service: GroceriesService;
beforeEach(async () => {
db = (await createTestDb()).db;
service = new GroceriesService(db);
});
it('loadUnchecked returns only unchecked items', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
await db.insert(groceries).values([
{ name: 'milk', checked: false, createdAt: now },
{ name: 'bread', checked: true, createdAt: now },
]);
const result = await service.loadUnchecked();
expect(result.items).toHaveLength(1);
expect(result.items[0].name).toBe('milk');
});
it('loadAll returns all items', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
await db.insert(groceries).values([
{ name: 'milk', checked: false, createdAt: now },
{ name: 'bread', checked: true, createdAt: now },
]);
const result = await service.loadAll();
expect(result.items).toHaveLength(2);
});
it('orders items with identical createdAt deterministically', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
await db.insert(groceries).values([
{ name: 'milk', checked: false, createdAt: now },
{ name: 'bread', checked: false, createdAt: now },
]);
const unchecked = await service.loadUnchecked();
expect(unchecked.items.map((i) => i.name)).toEqual(['bread', 'milk']);
const all = await service.loadAll();
expect(all.items.map((i) => i.name)).toEqual(['bread', 'milk']);
});
it('picks bestRef deterministically when quality scores tie', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
const [g] = await db
.insert(groceries)
.values({ name: 'coffee', checked: false, createdAt: now })
.returning();
await db.insert(references).values([
{ groceryId: g.id, reference: 'Brand A', qualityScore: 80 },
{ groceryId: g.id, reference: 'Brand B', qualityScore: 80 },
]);
const result = await service.loadAll();
expect(result.items[0].bestRef?.reference).toBe('Brand A');
});
it('bestRef prefers the promoted ref over a higher score', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
const [g] = await db
.insert(groceries)
.values({ name: 'coffee', checked: false, createdAt: now })
.returning();
const [, b] = await db
.insert(references)
.values([
{ groceryId: g.id, reference: 'Brand A', qualityScore: 80 },
{ groceryId: g.id, reference: 'Brand B', qualityScore: 20 },
])
.returning();
await db
.update(references)
.set({ isPrimary: true })
.where(eq(references.id, b.id));
const result = await service.loadAll();
expect(result.items[0].bestRef?.reference).toBe('Brand B');
});
it('toggle flips checked state', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
await db
.insert(groceries)
.values({ name: 'milk', checked: false, createdAt: now });
const [item] = await db.select().from(groceries);
await service.toggle(item.id);
const [updated] = await db
.select()
.from(groceries)
.where(eq(groceries.id, item.id));
expect(updated.checked).toBe(true);
});
it('addOrUncheck creates a new grocery', async () => {
const { item, created } = await service.addOrUncheck('eggs', null);
expect(created).toBe(true);
expect(item.name).toBe('eggs');
const rows = await db.select().from(groceries);
expect(rows).toHaveLength(1);
});
it('addOrUncheck unchecks an existing checked item', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
await db
.insert(groceries)
.values({ name: 'milk', checked: true, createdAt: now });
const { item, created } = await service.addOrUncheck('milk', null);
expect(created).toBe(false);
expect(item.checked).toBe(false);
const rows = await db.select().from(groceries);
expect(rows).toHaveLength(1);
expect(rows[0].checked).toBe(false);
});
it('deleteGrocery removes the item', async () => {
const now = Temporal.Now.instant().toString({
smallestUnit: 'millisecond',
});
await db
.insert(groceries)
.values({ name: 'milk', checked: false, createdAt: now });
const [item] = await db.select().from(groceries);
await service.deleteGrocery(item.id);
const rows = await db.select().from(groceries);
expect(rows).toHaveLength(0);
});
});
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