From 315b7fa81d15779804ed3c5862a11152cef2e333 Mon Sep 17 00:00:00 2001
From: siepra <wiktor.siepra@gmail.com>
Date: Wed, 11 Oct 2023 14:59:10 +0200
Subject: [PATCH] test: duplicated username warning

---
 .../ChannelList/ChannelList.screen.tsx        |  2 +-
 .../src/tests/duplicateUsername.test.tsx      | 70 +++++++++++++++++++
 2 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 packages/mobile/src/tests/duplicateUsername.test.tsx

diff --git a/packages/mobile/src/screens/ChannelList/ChannelList.screen.tsx b/packages/mobile/src/screens/ChannelList/ChannelList.screen.tsx
index cdf5885415..a82dee3c3a 100644
--- a/packages/mobile/src/screens/ChannelList/ChannelList.screen.tsx
+++ b/packages/mobile/src/screens/ChannelList/ChannelList.screen.tsx
@@ -36,7 +36,7 @@ export const ChannelListScreen: FC = () => {
         })
       )
     }
-  }, [dispatch, duplicateCerts])
+  }, [dispatch, usernameTaken, duplicateCerts])
 
   const redirect = useCallback(
     (id: string) => {
diff --git a/packages/mobile/src/tests/duplicateUsername.test.tsx b/packages/mobile/src/tests/duplicateUsername.test.tsx
new file mode 100644
index 0000000000..3662130bf1
--- /dev/null
+++ b/packages/mobile/src/tests/duplicateUsername.test.tsx
@@ -0,0 +1,70 @@
+import React from 'react'
+import '@testing-library/jest-native/extend-expect'
+import MockedSocket from 'socket.io-mock'
+import { ioMock } from '../setupTests'
+import { prepareStore } from './utils/prepareStore'
+import { renderComponent } from './utils/renderComponent'
+import { FactoryGirl } from 'factory-girl'
+import { getFactory, communities, identity, users } from '@quiet/state-manager'
+import { ScreenNames } from '../const/ScreenNames.enum'
+import { initActions } from '../store/init/init.slice'
+import { ChannelListScreen } from '../screens/ChannelList/ChannelList.screen'
+import { navigationSelectors } from '../store/navigation/navigation.selectors'
+import { navigationActions } from '../store/navigation/navigation.slice'
+
+describe('Duplicate username warning', () => {
+  let socket: MockedSocket
+
+  let factory: FactoryGirl
+
+  beforeEach(async () => {
+    socket = new MockedSocket()
+    ioMock.mockImplementation(() => socket)
+  })
+
+  it("Display prompt for username change if it's already taken", async () => {
+    const { store, root } = await prepareStore({}, socket)
+
+    store.dispatch(initActions.setStoreReady())
+
+    factory = await getFactory(store)
+
+    const community = await factory.create<ReturnType<typeof communities.actions.addNewCommunity>['payload']>(
+      'Community'
+    )
+
+    const alice = (
+      await factory.build<typeof identity.actions.addNewIdentity>('Identity', {
+        id: community.id,
+        nickname: 'alice',
+      })
+    ).payload
+
+    store.dispatch(
+      users.actions.storeUserCertificate({
+        certificate: alice.userCertificate || 'certificate_alice',
+      })
+    )
+
+    await factory.create<ReturnType<typeof identity.actions.addNewIdentity>['payload']>('Identity', {
+      id: community.id,
+      nickname: 'alice',
+      userCertificate: null,
+    })
+
+    store.dispatch(navigationActions.navigation({ screen: ScreenNames.ChannelListScreen }))
+
+    renderComponent(<ChannelListScreen />, store)
+
+    // Confirm there's duplication of usernames
+    const usernameTaken = identity.selectors.usernameTaken(store.getState())
+    expect(usernameTaken).toBe(true)
+
+    let currentScreen
+
+    currentScreen = navigationSelectors.currentScreen(store.getState())
+    expect(currentScreen).toBe(ScreenNames.UsernameTakenScreen)
+
+    root?.cancel()
+  })
+})