diff --git a/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js b/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js
index 098107f0f14..d0d8044f31b 100644
--- a/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js
+++ b/src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.spec.js
@@ -314,7 +314,6 @@ describe('FilePreview.vue', () => {
 		describe('triggering viewer', () => {
 			let oldViewer
 			let oldFiles
-			let getSidebarStatusMock
 
 			beforeEach(() => {
 				oldViewer = OCA.Viewer
@@ -327,8 +326,6 @@ describe('FilePreview.vue', () => {
 					},
 				}
 
-				getSidebarStatusMock = jest.fn().mockReturnValue(true)
-				testStoreConfig.modules.sidebarStore.getters.getSidebarStatus = getSidebarStatusMock
 				store = new Vuex.Store(testStoreConfig)
 			})
 			afterEach(() => {
diff --git a/src/store/sidebarStore.spec.js b/src/store/sidebarStore.spec.js
deleted file mode 100644
index 500fe1203b3..00000000000
--- a/src/store/sidebarStore.spec.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/**
- * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
-import { createLocalVue } from '@vue/test-utils'
-import { cloneDeep } from 'lodash'
-import Vuex from 'vuex'
-
-import sidebarStore from './sidebarStore.js'
-
-describe('sidebarStore', () => {
-	let localVue = null
-	let store = null
-
-	beforeEach(() => {
-		localVue = createLocalVue()
-		localVue.use(Vuex)
-
-		// eslint-disable-next-line import/no-named-as-default-member
-		store = new Vuex.Store(cloneDeep(sidebarStore))
-	})
-
-	afterEach(() => {
-		jest.clearAllMocks()
-	})
-
-	test('defaults are off', () => {
-		expect(store.getters.getSidebarStatus).toBe(true)
-	})
-
-	test('toggle sidebar', () => {
-		store.dispatch('hideSidebar')
-
-		expect(store.getters.getSidebarStatus).toBe(false)
-
-		store.dispatch('showSidebar')
-
-		expect(store.getters.getSidebarStatus).toBe(true)
-	})
-})
diff --git a/src/stores/__tests__/sidebar.spec.js b/src/stores/__tests__/sidebar.spec.js
new file mode 100644
index 00000000000..a47a48f854f
--- /dev/null
+++ b/src/stores/__tests__/sidebar.spec.js
@@ -0,0 +1,70 @@
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+import { setActivePinia, createPinia } from 'pinia'
+
+import { emit } from '@nextcloud/event-bus'
+
+import BrowserStorage from '../../services/BrowserStorage.js'
+import { useSidebarStore } from '../sidebar.js'
+
+jest.mock('@nextcloud/event-bus', () => ({
+	emit: jest.fn(),
+}))
+
+jest.mock('../../services/BrowserStorage.js', () => ({
+	getItem: jest.fn(),
+	setItem: jest.fn(),
+}))
+
+describe('sidebarStore', () => {
+	let sidebarStore
+
+	beforeEach(() => {
+		setActivePinia(createPinia())
+		sidebarStore = useSidebarStore()
+	})
+
+	afterEach(() => {
+		jest.clearAllMocks()
+	})
+
+	it('shows the sidebar on selected tab with caching the value', () => {
+		sidebarStore.showSidebar({ activeTab: 'test-tab', cache: true })
+
+		expect(sidebarStore.show).toBe(true)
+		expect(emit).toHaveBeenCalledWith('spreed:select-active-sidebar-tab', 'test-tab')
+		expect(BrowserStorage.setItem).toHaveBeenCalledWith('sidebarOpen', 'true')
+	})
+
+	it('shows the sidebar with caching the value', () => {
+		sidebarStore.showSidebar()
+
+		expect(sidebarStore.show).toBe(true)
+		expect(emit).not.toHaveBeenCalled()
+		expect(BrowserStorage.setItem).toHaveBeenCalledWith('sidebarOpen', 'true')
+	})
+
+	it('shows the sidebar without caching the value', () => {
+		sidebarStore.showSidebar({ cache: false })
+
+		expect(sidebarStore.show).toBe(true)
+		expect(emit).not.toHaveBeenCalled()
+		expect(BrowserStorage.setItem).not.toHaveBeenCalled()
+	})
+
+	it('hides the sidebar with caching the value', () => {
+		sidebarStore.hideSidebar()
+
+		expect(sidebarStore.show).toBe(false)
+		expect(BrowserStorage.setItem).toHaveBeenCalledWith('sidebarOpen', 'false')
+	})
+
+	it('hides the sidebar without caching the value', () => {
+		sidebarStore.hideSidebar({ cache: false })
+
+		expect(sidebarStore.show).toBe(false)
+		expect(BrowserStorage.setItem).not.toHaveBeenCalled()
+	})
+})