pokemon-inventory/apps/api/tests/application/listing-service.test.js

import assert from 'node:assert/strict';
import test from 'node:test';

import { createListingService } from '../../src/modules/listings/services/listing-service.js';

test('creates a draft listing only after the listing publish requirements are met', async () => {
  const created = [];
  const service = createListingService({
    listingRepository: {
      async create(listing) {
        const record = { id: 'listing-1', ...listing };
        created.push(record);
        return record;
      },
    },
    inventoryImageRepository: {
      async countByInventoryItemId() {
        return 2;
      },
    },
  });

  const listing = await service.create({
    inventoryItemId: 'inventory-item-id',
    productName: ' Charizard ex ',
    categoryId: 'category-id',
    conditionId: 'condition-id',
    askingPriceMinor: 2499,
    imageCount: 2,
    notes: ' Near mint ',
  });

  assert.deepEqual(listing, {
    id: 'listing-1',
    inventoryItemId: 'inventory-item-id',
    productName: 'Charizard ex',
    categoryId: 'category-id',
    conditionId: 'condition-id',
    askingPriceMinor: 2499,
    imageCount: 2,
    status: 'DRAFT',
    notes: 'Near mint',
  });

  await assert.rejects(
    () =>
      service.create({
        inventoryItemId: 'inventory-item-id',
        productName: 'Charizard ex',
        categoryId: 'category-id',
        conditionId: 'condition-id',
        askingPriceMinor: 0,
        imageCount: 2,
      }),
    (error) => error.code === 'LISTING_REQUIREMENTS_NOT_MET',
  );

  assert.equal(created.length, 1);
});

test('publishes an owned draft only when its persisted requirements are met', async () => {
  const updated = [];
  const service = createListingService({
    listingRepository: {
      async findByIdForSeller() {
        return {
          id: 'listing-1',
          inventoryItemId: 'inventory-item-id',
          productName: 'Charizard ex',
          categoryId: 'category-id',
          conditionId: 'condition-id',
          askingPriceMinor: 2499,
          imageCount: 2,
          status: 'DRAFT',
        };
      },
      async updateStatus(id, status) {
        updated.push({ id, status });
        return { id, status };
      },
    },
  });

  assert.deepEqual(
    await service.transition({
      listingId: 'listing-1',
      sellerId: 'seller-1',
      nextStatus: 'AVAILABLE',
    }),
    { id: 'listing-1', status: 'AVAILABLE' },
  );
  assert.deepEqual(updated, [{ id: 'listing-1', status: 'AVAILABLE' }]);
});

test('does not transition a listing owned by another seller', async () => {
  const service = createListingService({
    listingRepository: {
      async findByIdForSeller() {
        return null;
      },
    },
  });

  await assert.rejects(
    () => service.transition({ listingId: 'listing-1', sellerId: 'seller-2', nextStatus: 'AVAILABLE' }),
    (error) => error.code === 'LISTING_NOT_FOUND' && error.statusCode === 404,
  );
});

test('does not publish a listing for sold or archived inventory', async () => {
  for (const inventoryStatus of ['SOLD', 'ARCHIVED']) {
    const service = createListingService({
      listingRepository: {
        async findByIdForSeller() {
          return {
            id: 'listing-1',
            inventoryItemId: 'inventory-item-id',
            productName: 'Charizard ex',
            categoryId: 'category-id',
            conditionId: 'condition-id',
            askingPriceMinor: 2499,
            imageCount: 2,
            inventoryStatus,
            status: 'DRAFT',
          };
        },
        async updateStatus() {
          throw new Error('A blocked listing must not be updated.');
        },
      },
    });

    await assert.rejects(
      () => service.transition({ listingId: 'listing-1', sellerId: 'seller-1', nextStatus: 'AVAILABLE' }),
      (error) => error.code === 'LISTING_INVENTORY_UNAVAILABLE' && error.statusCode === 409,
    );
  }
});

test('lists and retrieves only seller-owned listings', async () => {
  const ownedListing = { id: 'listing-1', status: 'DRAFT' };
  const service = createListingService({
    listingRepository: {
      async listBySellerId(sellerId) {
        assert.equal(sellerId, 'seller-1');
        return [ownedListing];
      },
      async findByIdForSeller(listingId, sellerId) {
        assert.equal(listingId, 'listing-1');
        assert.equal(sellerId, 'seller-1');
        return ownedListing;
      },
    },
  });

  assert.deepEqual(await service.list({ sellerId: 'seller-1' }), [ownedListing]);
  assert.deepEqual(await service.get({ listingId: 'listing-1', sellerId: 'seller-1' }), ownedListing);
});