test(color-scheme): add tests for color scheme button

src/features/colorScheme/components/__tests__/ColorSchemeButton.test.js

@@ -0,0 +1,47 @@
+/*
+Copyright 2026 Seekra
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import ColorSchemeButton from '../ColorSchemeButton.vue';
+import { useSettings } from '@/features/settings/composables/useSettings.js';
+import { mountComponent } from '@/test-utils/mountComponent';
+import { describe, expect, test } from 'vitest';
+
+const { getSetting } = useSettings();
+
+const colorSchemeSettingPath = ['appearance', 'colorScheme']
+
+const getWrapper = function getWrapper () {
+    return mountComponent(ColorSchemeButton);
+};
+
+describe('ColorSchemeButton', () => {
+    test('sets color scheme setting', async () => {
+        const wrapper = getWrapper();
+
+        expect(getSetting(colorSchemeSettingPath)).toBe('auto');
+        
+        const colorSchemeButton = wrapper.find('button');
+
+        await colorSchemeButton.trigger('click');
+        expect(getSetting(colorSchemeSettingPath)).toBe('light');
+
+        await colorSchemeButton.trigger('click');
+        expect(getSetting(colorSchemeSettingPath)).toBe('dark');
+
+        await colorSchemeButton.trigger('click');
+        expect(getSetting(colorSchemeSettingPath)).toBe('auto');
+    });
+});