step 10.15: done
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bepis
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// Integration tests for step 10.15: Non-stackable items get one inventory row per unit.
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const { describe, it, before, after } = require('node:test');
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const assert = require('node:assert/strict');
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const { setup, teardown, cleanup } = require('../helpers');
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describe('step-10.15 non-stackable items: one row per unit', () => {
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let baseUrl, userSeq = 0;
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before(async () => { baseUrl = await setup(); });
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after(async () => { teardown(); cleanup(); });
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// ─── helpers ──────────────────────────────────────────────────────────
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async function registerAndLogin(username, password) {
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await fetch(`${baseUrl}/api/auth/register`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ username, password }),
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});
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const res = await fetch(`${baseUrl}/api/auth/login`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ username, password }),
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});
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assert.equal(res.status, 200);
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return res.headers.get('set-cookie') || '';
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}
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async function createHero(cookie, name, cls) {
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const res = await fetch(`${baseUrl}/api/character`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json', Cookie: cookie },
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body: JSON.stringify({ name, class: cls }),
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});
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assert.equal(res.status, 201);
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const { data } = await res.json();
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return data.character.id;
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}
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function countInvRows(characterId, itemId) {
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const db = require('../../src/db').getDb();
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return db.prepare(
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'SELECT COUNT(*) AS cnt FROM inventory WHERE character_id = ? AND item_id = ?'
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).get(characterId, itemId).cnt;
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}
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function getInvRows(characterId, itemId) {
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const db = require('../../src/db').getDb();
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return db.prepare(
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'SELECT id, quantity FROM inventory WHERE character_id = ? AND item_id = ? ORDER BY id'
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).all(characterId, itemId);
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}
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// ─── Non-stackable items (weapons) ────────────────────────────────────
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it('buying 3 non-stackable weapons creates 3 inventory rows', async () => {
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const cookie = await registerAndLogin(`s15b${userSeq++}`, 'pass1234');
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const characterId = await createHero(cookie, 'S15B', 'warrior');
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// Give hero enough gold for 3 Rusty Swords (60g).
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const db = require('../../src/db').getDb();
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db.prepare('UPDATE characters SET gold = 100 WHERE id = ?').run(characterId);
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// Buy 3 Rusty Swords (item 1, non-stackable, 20g each = 60g total).
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const res = await fetch(`${baseUrl}/api/shop/buy`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json', Cookie: cookie },
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body: JSON.stringify({ itemId: 1, quantity: 3 }),
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});
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const body = await res.json();
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assert.equal(res.status, 200);
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assert.equal(body.ok, true);
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assert.equal(body.data.character.gold, 40); // 100 - 60
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// DB: should be exactly 4 rows (1 starter + 3 bought), each with quantity 1.
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const rows = getInvRows(characterId, 1);
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assert.equal(rows.length, 4, 'should have 4 inventory rows for 1 starter + 3 bought non-stackable items');
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for (const row of rows) {
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assert.equal(row.quantity, 1, 'each row should have quantity 1');
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}
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// API: each row should show quantity 1.
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const swordItems = body.data.items.filter((i) => i.itemId === 1);
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assert.equal(swordItems.length, 4, 'API should show 4 sword entries');
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for (const item of swordItems) {
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assert.equal(item.quantity, 1);
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}
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});
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it('buying more non-stackable items adds more rows (not merging)', async () => {
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const cookie = await registerAndLogin(`s15c${userSeq++}`, 'pass1234');
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const characterId = await createHero(cookie, 'S15C', 'warrior');
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const db = require('../../src/db').getDb();
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db.prepare('UPDATE characters SET gold = 100 WHERE id = ?').run(characterId);
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// Buy 2 Rusty Swords.
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const res1 = await fetch(`${baseUrl}/api/shop/buy`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json', Cookie: cookie },
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body: JSON.stringify({ itemId: 1, quantity: 2 }),
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});
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const body1 = await res1.json();
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assert.equal(body1.ok, true);
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// 1 starter + 2 bought = 3 rows.
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assert.equal(countInvRows(characterId, 1), 3);
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// Buy 2 more.
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const res2 = await fetch(`${baseUrl}/api/shop/buy`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json', Cookie: cookie },
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body: JSON.stringify({ itemId: 1, quantity: 2 }),
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});
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const body2 = await res2.json();
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assert.equal(body2.ok, true);
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// Should now have 5 rows total (1 starter + 2 + 2 bought), each qty 1.
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assert.equal(countInvRows(characterId, 1), 5, 'should have 5 rows after buying 2+2');
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const rows = getInvRows(characterId, 1);
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for (const row of rows) {
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assert.equal(row.quantity, 1);
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}
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});
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// ─── Stackable items still merge ──────────────────────────────────────
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it('buying stackable consumables merges into one row', async () => {
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const cookie = await registerAndLogin(`s15d${userSeq++}`, 'pass1234');
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const characterId = await createHero(cookie, 'S15D', 'warrior');
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const db = require('../../src/db').getDb();
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db.prepare('UPDATE characters SET gold = 100 WHERE id = ?').run(characterId);
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// Starter kit gives 2 Minor Healing Potions (item 14, stackable).
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// Buy 3 more → should merge to quantity 5 in ONE row.
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const res = await fetch(`${baseUrl}/api/shop/buy`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json', Cookie: cookie },
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body: JSON.stringify({ itemId: 14, quantity: 3 }),
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});
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const body = await res.json();
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assert.equal(body.ok, true);
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// Potion rows: should be exactly 1 row with quantity 5.
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const potionRows = getInvRows(characterId, 14);
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assert.equal(potionRows.length, 1, 'stackable items should merge into 1 row');
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assert.equal(potionRows[0].quantity, 5, 'quantity should be 5 (2 starter + 3 bought)');
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});
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// ─── Non-stackable armor ──────────────────────────────────────────────
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it('buying 2 non-stackable armor pieces creates 2 rows', async () => {
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const cookie = await registerAndLogin(`s15e${userSeq++}`, 'pass1234');
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const characterId = await createHero(cookie, 'S15E', 'warrior');
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const db = require('../../src/db').getDb();
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db.prepare('UPDATE characters SET gold = 100 WHERE id = ?').run(characterId);
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// Leather Jerkin (item 8, armor, non-stackable, 25g each).
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const res = await fetch(`${baseUrl}/api/shop/buy`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json', Cookie: cookie },
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body: JSON.stringify({ itemId: 8, quantity: 2 }),
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});
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const body = await res.json();
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assert.equal(body.ok, true);
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assert.equal(body.data.character.gold, 50); // 100 - 2*25
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const rows = getInvRows(characterId, 8);
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assert.equal(rows.length, 2, 'should have 2 rows for 2 non-stackable armor');
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for (const row of rows) {
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assert.equal(row.quantity, 1);
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}
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});
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});
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