feat(F-154): completed feature

project/src/modules/users/infrastructure/pg-profile-repository.test.ts

@@ -0,0 +1,66 @@
+import { describe, expect, it, vi } from 'vitest';
+import { PgProfileRepository } from './pg-profile-repository.js';
+
+interface QueryResult {
+  rows: unknown[];
+}
+
+/** F-154: mock pg.Pool returning configurable rows keyed by SQL family. */
+function mockPool(countRows: unknown[], selectRows: unknown[]) {
+  const query = vi.fn(async (sql: string, _params: unknown[]): Promise<QueryResult> => {
+    if (String(sql).includes('COUNT')) return { rows: countRows };
+    return { rows: selectRows };
+  });
+  const pool = { query } as unknown as import('pg').Pool;
+  return { pool, query };
+}
+
+const CUSTOMER_ROW = {
+  user_id: 'c1',
+  email: 'ben@example.com',
+  role: 'customer',
+  display_name: 'Ben',
+  phone: '111',
+  created_at: new Date('2026-01-01T00:00:00Z'),
+};
+
+describe('PgProfileRepository.listCustomers — F-154 customers-only', () => {
+  it('always restricts the list query to role = customer', async () => {
+    const { pool, query } = mockPool([{ cnt: '1' }], [CUSTOMER_ROW]);
+    const repo = new PgProfileRepository(pool);
+
+    const result = await repo.listCustomers({ offset: 0, limit: 20 });
+
+    expect(result.total).toBe(1);
+    expect(result.items).toHaveLength(1);
+    expect(result.items[0]!.role).toBe('customer');
+    expect(result.items[0]!.email).toBe('ben@example.com');
+
+    const selectSql = query.mock.calls[1]![0] as string;
+    expect(selectSql).toContain("iu.role = 'customer'");
+  });
+
+  it('applies the customer filter to the count query too', async () => {
+    const { pool, query } = mockPool([{ cnt: '1' }], [CUSTOMER_ROW]);
+    const repo = new PgProfileRepository(pool);
+
+    await repo.listCustomers({ offset: 0, limit: 20 });
+
+    const countSql = query.mock.calls[0]![0] as string;
+    expect(countSql).toContain('COUNT');
+    expect(countSql).toContain("iu.role = 'customer'");
+  });
+
+  it('keeps the email search parameterized alongside the role filter', async () => {
+    const { pool, query } = mockPool([{ cnt: '1' }], [CUSTOMER_ROW]);
+    const repo = new PgProfileRepository(pool);
+
+    await repo.listCustomers({ q: 'ben', offset: 0, limit: 20 });
+
+    const selectSql = query.mock.calls[1]![0] as string;
+    const params = query.mock.calls[1]![1] as unknown[];
+    expect(selectSql).toContain("iu.role = 'customer'");
+    expect(selectSql).toContain('ILIKE $1');
+    expect(params[0]).toBe('%ben%');
+  });
+});