diff --git a/test/utils/helpers/query.test.ts b/test/utils/helpers/query.test.ts
new file mode 100644
index 00000000..90969bce
--- /dev/null
+++ b/test/utils/helpers/query.test.ts
@@ -0,0 +1,25 @@
+import { parseQuery, stringifyQuery } from '../../../src/utils/helpers/query';
+
+describe('query', () => {
+  describe('parseQuery', () => {
+    it.each([
+      [ '', {}],
+      [ 'foo=bar', { foo: 'bar' }],
+      [ '?foo=bar', { foo: 'bar' }],
+      [ '?foo=bar&baz=123', { foo: 'bar', baz: '123' }],
+    ])('parses query string as expected', (queryString, expectedResult) => {
+      expect(parseQuery(queryString)).toEqual(expectedResult);
+    });
+  });
+
+  describe('stringifyQuery', () => {
+    it.each([
+      [{}, '' ],
+      [{ foo: 'bar' }, 'foo=bar' ],
+      [{ foo: 'bar', baz: '123' }, 'foo=bar&baz=123' ],
+      [{ bar: 'foo', list: [ 'one', 'two' ] }, encodeURI('bar=foo&list[]=one&list[]=two') ],
+    ])('stringifies query as expected', (queryObj, expectedResult) => {
+      expect(stringifyQuery(queryObj)).toEqual(expectedResult);
+    });
+  });
+});