add unit tests

tests/api/query.test.ts

@@ -0,0 +1,25 @@
+import { describe, expect, it } from 'vitest';
+import { buildListQuery } from '../../src/api/query';
+
+describe('buildListQuery', () => {
+    it('builds query with trimmed search and explicit sort', () => {
+        const result = buildListQuery({
+            q: '  jane  ',
+            page: 3,
+            pageSize: 20,
+            sort: ' createdAt ',
+            defaultSort: '-createdAt',
+        });
+
+        expect(result).toBe('q=jane&page=3&pageSize=20&sort=createdAt');
+    });
+
+    it('falls back to defaults when query is blank and sort missing', () => {
+        const result = buildListQuery({
+            q: '   ',
+            defaultSort: '-createdAt',
+        });
+
+        expect(result).toBe('page=1&pageSize=10&sort=-createdAt');
+    });
+});