Onboarding flow switch unit test (#18251)

* Onboarding flow switch unit test

* Fix typo welcom -> welcome

ui/pages/onboarding-flow/onboarding-flow-switch/onboarding-flow-switch.test.js

@@ -0,0 +1,85 @@
+import React from 'react';
+import configureMockStore from 'redux-mock-store';
+import {
+  DEFAULT_ROUTE,
+  ONBOARDING_COMPLETION_ROUTE,
+  ONBOARDING_UNLOCK_ROUTE,
+  LOCK_ROUTE,
+  ONBOARDING_WELCOME_ROUTE,
+} from '../../../helpers/constants/routes';
+import { renderWithProvider } from '../../../../test/lib/render-helpers';
+import OnboardingFlowSwitch from './onboarding-flow-switch';
+
+describe('Onboaring Flow Switch Component', () => {
+  it('should route to default route when completed onboarding', () => {
+    const mockState = {
+      metamask: {
+        completedOnboarding: true,
+      },
+    };
+
+    const mockStore = configureMockStore()(mockState);
+    const { history } = renderWithProvider(<OnboardingFlowSwitch />, mockStore);
+
+    expect(history.location.pathname).toStrictEqual(DEFAULT_ROUTE);
+  });
+
+  it('should route to completed onboarding route when seed phrase is other than null', () => {
+    const mockState = {
+      metamask: {
+        seedPhraseBackedUp: false,
+      },
+    };
+
+    const mockStore = configureMockStore()(mockState);
+    const { history } = renderWithProvider(<OnboardingFlowSwitch />, mockStore);
+
+    expect(history.location.pathname).toStrictEqual(
+      ONBOARDING_COMPLETION_ROUTE,
+    );
+  });
+
+  it('should route to lock when seedPhrase is not backed up and unlocked', () => {
+    const mockState = {
+      metamask: {
+        seedPhraseBackedUp: null,
+        isUnlocked: true,
+      },
+    };
+
+    const mockStore = configureMockStore()(mockState);
+    const { history } = renderWithProvider(<OnboardingFlowSwitch />, mockStore);
+
+    expect(history.location.pathname).toStrictEqual(LOCK_ROUTE);
+  });
+
+  it('should route to unlock when with appropriate state', () => {
+    const mockState = {
+      metamask: {
+        seedPhraseBackedUp: null,
+        isUnlocked: false,
+        isInitialized: true,
+      },
+    };
+
+    const mockStore = configureMockStore()(mockState);
+    const { history } = renderWithProvider(<OnboardingFlowSwitch />, mockStore);
+
+    expect(history.location.pathname).toStrictEqual(ONBOARDING_UNLOCK_ROUTE);
+  });
+
+  it('should route to welcome route when not initialized', () => {
+    const mockState = {
+      metamask: {
+        seedPhraseBackedUp: null,
+        isUnlocked: false,
+        isInitialized: false,
+      },
+    };
+
+    const mockStore = configureMockStore()(mockState);
+    const { history } = renderWithProvider(<OnboardingFlowSwitch />, mockStore);
+
+    expect(history.location.pathname).toStrictEqual(ONBOARDING_WELCOME_ROUTE);
+  });
+});