test(settings): add test cases for empty setting value return value

Added a store to cache the settings configuration. The getSetting
function from useSettings is now synchronous and uses this cache.
The settings cache is set when loading the settings initially
(asnychronously).

src/features/footer/components/Footer.vue

@@ -54,6 +54,7 @@ const copyrightPeriod =
 .footer-segment {
     display: flex;
     justify-content: center;
+    align-items: center;
     gap: 32px;
     padding: var(--padding-y);
     background-color: var(--light-bg);

src/features/settings/components/Switch.vue

@@ -16,7 +16,7 @@ limitations under the License.
 
 <script setup>
 import { useSettingsStore } from '../stores/settingsStore';
-import { useId } from 'vue';
+import { ref, useId, watch } from 'vue';
 import { useI18n } from 'vue-i18n';
 
 const { t } = useI18n();
@@ -35,8 +35,16 @@ const switchId = useId();
 
 const store = useSettingsStore();
 
+const enabled = ref(null);
+watch(store, (newStore) => {
+    enabled.value = newStore.get(props.path);
+});
+// set value after registering watcher to avoid immediate value change
+enabled.value = store.get(props.path) ?? props.setting.default;
+
 const toggle = function toggle () {
-    store.set(props.path, !store.get(props.path));
+    enabled.value = !enabled.value;
+    store.set(props.path, enabled.value);
 };
 </script>
 
@@ -47,7 +55,7 @@ const toggle = function toggle () {
         </label>
         <div
             class="switch-wrapper"
-            :class="{ enabled: store.get(props.path) }"
+            :class="{ enabled }"
             :title="t('settings.switch.title')"
             :aria-label="t('settings.switch.ariaLabel')"
             :aria-labelledby="labelId"

src/features/settings/components/__tests__/Switch.test.js

@@ -20,17 +20,23 @@ import { useSettingsStore } from '../../stores/settingsStore.js';
 import { expect, describe, test } from 'vitest';
 import { nextTick } from 'vue';
 
-const getWrapper = function getWrapper ({ i18n = 'switch1', translations = {} } = {}) {
+const getWrapper = function getWrapper ({
+    i18n = 'switch1',
+    defaultValue = undefined,
+    translations = {},
+    piniaOptions = {}
+} = {}) {
     return mountComponent(Switch, {
         attrs: {
             setting: {
                 type: 'bool',
                 name: 'switch',
-                i18n
+                i18n,
+                default: defaultValue
             },
             path: 'switch'
         }
-    }, translations);
+    }, translations, [], piniaOptions);
 };
 
 describe('Switch', () => {
@@ -53,6 +59,42 @@ describe('Switch', () => {
         expect(switchElementClasses2).not.toContain('enabled');
     });
 
+    test('shows default value', () => {
+        const wrapper = getWrapper({
+            defaultValue: true
+        });
+
+        const switchElement = wrapper.find('.switch-wrapper');
+        expect(switchElement.classes('enabled')).toBeTruthy();
+    });
+
+    test('shows stored value instead of default value', () => {
+        const wrapper = getWrapper({
+            defaultValue: true,
+            piniaOptions: {
+                setupStores: () => {
+                    const store = useSettingsStore();
+                    store.set('switch', false);
+                }
+            }
+        });
+
+        const switchElement = wrapper.find('.switch-wrapper');
+        expect(switchElement.classes('enabled')).toBeFalsy();
+    });
+
+    test('reacts on store change', async () => {
+        const wrapper = getWrapper();
+        const store = useSettingsStore();
+
+        const switchElement = wrapper.find('.switch-wrapper');
+        expect(switchElement.classes('enabled')).toBeFalsy();
+        
+        store.set('switch', true);
+        await nextTick();
+        expect(switchElement.classes('enabled')).toBeTruthy();
+    });
+
     test('toggles value in store', async () => {
         const wrapper = getWrapper();
         

src/features/sidebar/components/Sidebar.vue

@@ -36,7 +36,7 @@ const toggleSidebar = function toggleSidebar () {
         <div class="sidebar-controls">
             <SidebarExpandButton @click="toggleSidebar" class="sidebar-expand-button" />
         </div>
-        <div class="sidebar-content" v-if="props.expanded">
+        <div class="sidebar-content" v-show="props.expanded">
             <slot />
         </div>
     </nav>