From 948d6d41e8baad5f2a877cf049a28a48e4ce782f Mon Sep 17 00:00:00 2001
From: Jakob Scheid <jakob.scheid@icloud.com>
Date: Thu, 4 Jun 2026 14:02:09 +0200
Subject: [PATCH] test(settings): add unit test for the settings validator
 assertType function for test cases that should throw an error

---
 .../utils/__tests__/settingsValidator.test.js | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/features/settings/utils/__tests__/settingsValidator.test.js b/src/features/settings/utils/__tests__/settingsValidator.test.js
index 36c3398..b4afc06 100644
--- a/src/features/settings/utils/__tests__/settingsValidator.test.js
+++ b/src/features/settings/utils/__tests__/settingsValidator.test.js
@@ -39,6 +39,29 @@ describe('assertType', () => {
     ])('throws no error for the value %s', ([ value ]) => {
         expect(() => assertType(value)).not.throw(Error);
     });
+
+    test.for([
+        [''],
+        [' '],
+        ['  '],
+        ['   '],
+
+        ['42'],
+        ['0'],
+        ['-42'],
+        ['-42.0'],
+        ['-0.0'],
+
+        ['a'],
+        ['ab'],
+        ['SeekraIsGreat!'],
+        ['Seekra is great!'],
+
+        [undefined],
+        [null]
+    ])('throws an error for the value %s', ([ value ]) => {
+        expect(() => assertType(value)).throw(Error);
+    });
 });
 
 describe('assertString', () => {