Add test to validate that the useSplitManager hook updates when the context change (e.g., SDK is ready)

Author: EmilianoSanchez

src/__tests__/useSplitManager.test.tsx

@@ -1,21 +1,22 @@
 import React from 'react';
-import { render } from '@testing-library/react';
+import { act, render } from '@testing-library/react';
 
 /** Mocks */
-import { mockSdk } from './testUtils/mockSplitSdk';
+import { Event, mockSdk } from './testUtils/mockSplitSdk';
 jest.mock('@splitsoftware/splitio/client', () => {
   return { SplitFactory: mockSdk() };
 });
 import { SplitFactory as SplitSdk } from '@splitsoftware/splitio/client';
 import { sdkBrowser } from './testUtils/sdkConfigs';
+import { getStatus } from '../utils';
 
 /** Test target */
 import { SplitFactory } from '../SplitFactory';
 import { useSplitManager } from '../useSplitManager';
 
 describe('useSplitManager', () => {
 
-  test('returns the factory manager from the Split context.', () => {
+  test('returns the factory manager from the Split context, and updates when the context changes.', () => {
     const outerFactory = SplitSdk(sdkBrowser);
     let hookResult;
     render(
@@ -26,6 +27,7 @@ describe('useSplitManager', () => {
         })}
       </SplitFactory>
     );
+
     expect(hookResult).toStrictEqual({
       manager: outerFactory.manager(),
       client: outerFactory.client(),
@@ -37,6 +39,20 @@ describe('useSplitManager', () => {
       isTimedout: false,
       lastUpdate: 0,
     });
+
+    act(() => (outerFactory.client() as any).__emitter__.emit(Event.SDK_READY));
+
+    expect(hookResult).toStrictEqual({
+      manager: outerFactory.manager(),
+      client: outerFactory.client(),
+      factory: outerFactory,
+      hasTimedout: false,
+      isDestroyed: false,
+      isReady: true,
+      isReadyFromCache: false,
+      isTimedout: false,
+      lastUpdate: getStatus(outerFactory.client()).lastUpdate,
+    });
   });
 
   test('returns null if invoked outside Split context.', () => {
@@ -47,6 +63,7 @@ describe('useSplitManager', () => {
         return null;
       })
     );
+
     expect(hookResult).toStrictEqual({
       manager: null,
       client: null,