chore: Add tests for SendbirdProvider migration (#1275)

[CLNP-5737](https://sendbird.atlassian.net/browse/CLNP-5737)

* Added tests for `Sendbird/index.tsx`, `Sendbird/utils.ts`,
`SendbirdProvider.tsx`, `initialState.ts`, and `useSendbird.tsx`

### Before

![image](https://github.com/user-attachments/assets/0bdae22e-f5f5-4880-949c-33ea65d61a29)

### After

![image](https://github.com/user-attachments/assets/b0f6d021-bb80-49cd-b476-cc5a6c155c3e)

Author: HoonBaek

jest-setup.js

@@ -1,4 +1,5 @@
 import './__mocks__/intersectionObserverMock';
+import '@testing-library/jest-dom';
 
 const { JSDOM } = require('jsdom');
 

src/lib/Sendbird/__tests__/SendbirdContext.spec.tsx

@@ -0,0 +1,31 @@
+import React, { useContext } from 'react';
+import { render } from '@testing-library/react';
+import { SendbirdContext, createSendbirdContextStore } from '../context/SendbirdContext';
+
+describe('SendbirdContext', () => {
+  it('should initialize with null by default', () => {
+    const TestComponent = () => {
+      const context = useContext(SendbirdContext);
+      return <div>{context ? 'Not Null' : 'Null'}</div>;
+    };
+
+    const { getByText } = render(<TestComponent />);
+    expect(getByText('Null')).toBeInTheDocument();
+  });
+
+  it('should provide a valid context to child components', () => {
+    const mockStore = createSendbirdContextStore();
+    const TestComponent = () => {
+      const context = useContext(SendbirdContext);
+      return <div>{context ? 'Not Null' : 'Null'}</div>;
+    };
+
+    const { getByText } = render(
+      <SendbirdContext.Provider value={mockStore}>
+        <TestComponent />
+      </SendbirdContext.Provider>,
+    );
+
+    expect(getByText('Not Null')).toBeInTheDocument();
+  });
+});

src/lib/Sendbird/__tests__/SendbirdProvider.spec.tsx

@@ -0,0 +1,73 @@
+import React from 'react';
+import { render } from '@testing-library/react';
+import { SendbirdContextProvider } from '../context/SendbirdProvider';
+import useSendbird from '../context/hooks/useSendbird';
+
+const mockState = {
+  stores: { sdkStore: { initialized: false } },
+  config: { logger: console, groupChannel: { enableVoiceMessage: false } },
+};
+const mockActions = { connect: jest.fn(), disconnect: jest.fn() };
+
+jest.mock('../context/hooks/useSendbird', () => ({
+  __esModule: true,
+  default: jest.fn(() => ({ state: mockState, actions: mockActions })),
+  useSendbird: jest.fn(() => ({ state: mockState, actions: mockActions })),
+}));
+
+describe('SendbirdProvider', () => {
+  beforeEach(() => {
+    // Reset mock functions before each test
+    jest.clearAllMocks();
+
+    // Mock MediaRecorder.isTypeSupported
+    global.MediaRecorder = {
+      isTypeSupported: jest.fn((type) => {
+        const supportedMimeTypes = ['audio/webm', 'audio/wav'];
+        return supportedMimeTypes.includes(type);
+      }),
+    };
+
+    // Mock useSendbird return value
+    useSendbird.mockReturnValue({
+      state: mockState,
+      actions: mockActions,
+    });
+  });
+
+  it('should render child components', () => {
+    const { getByTestId } = render(
+      <SendbirdContextProvider appId="mockAppId" userId="mockUserId">
+        <div data-testid="child">Child Component</div>
+      </SendbirdContextProvider>,
+    );
+
+    expect(getByTestId('child')).toBeInTheDocument();
+  });
+
+  it('should call connect when mounted', () => {
+    render(
+      <SendbirdContextProvider appId="mockAppId" userId="mockUserId">
+        <div data-testid="child">Child Component</div>
+      </SendbirdContextProvider>,
+    );
+
+    expect(mockActions.connect).toHaveBeenCalledWith(
+      expect.objectContaining({
+        appId: 'mockAppId',
+        userId: 'mockUserId',
+      }),
+    );
+  });
+
+  it('should call disconnect on unmount', () => {
+    const { unmount } = render(
+      <SendbirdContextProvider appId="mockAppId" userId="mockUserId">
+        <div data-testid="child">Child Component</div>
+      </SendbirdContextProvider>,
+    );
+
+    unmount();
+    expect(mockActions.disconnect).toHaveBeenCalled();
+  });
+});

src/lib/Sendbird/__tests__/index.spec.tsx

@@ -0,0 +1,90 @@
+import React from 'react';
+import { render, screen } from '@testing-library/react';
+
+import { SendbirdProvider, withSendBird } from '../index';
+
+jest.mock('@sendbird/uikit-tools', () => ({
+  UIKitConfigProvider: jest.fn(({ children }) => <div data-testid="UIKitConfigProvider">{children}</div>),
+}));
+jest.mock('../context/SendbirdProvider', () => ({
+  SendbirdContextProvider: jest.fn(({ children }) => <div data-testid="SendbirdContextProvider">{children}</div>),
+}));
+jest.mock('../context/hooks/useSendbird', () => jest.fn(() => ({
+  state: { someState: 'testState' },
+  actions: { someAction: jest.fn() },
+})));
+jest.mock('../../utils/uikitConfigMapper', () => ({
+  uikitConfigMapper: jest.fn(() => ({
+    common: {},
+    groupChannel: {},
+    openChannel: {},
+  })),
+}));
+jest.mock('../../utils/uikitConfigStorage', () => ({}));
+
+describe('SendbirdProvider/index', () => {
+  it('renders UIKitConfigProvider with correct localConfigs', () => {
+    const props = {
+      replyType: 'threaded',
+      isMentionEnabled: true,
+      isReactionEnabled: true,
+      disableUserProfile: false,
+      isVoiceMessageEnabled: true,
+      isTypingIndicatorEnabledOnChannelList: false,
+      isMessageReceiptStatusEnabledOnChannelList: false,
+      showSearchIcon: true,
+      uikitOptions: {},
+    };
+
+    render(<SendbirdProvider {...props} />);
+
+    expect(screen.getByTestId('UIKitConfigProvider')).toBeInTheDocument();
+    expect(screen.getByTestId('SendbirdContextProvider')).toBeInTheDocument();
+  });
+});
+
+describe('withSendbirdContext', () => {
+  let consoleWarnSpy: jest.SpyInstance;
+
+  beforeEach(() => {
+    consoleWarnSpy = jest.spyOn(console, 'warn').mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    consoleWarnSpy.mockRestore();
+  });
+
+  it('logs a warning if mapStoreToProps is not a function', () => {
+    const MockComponent = jest.fn(() => <div data-testid="MockComponent" />);
+    const invalidMapStoreToProps = 'invalidValue';
+
+    const WrappedComponent = withSendBird(MockComponent, invalidMapStoreToProps);
+
+    render(<WrappedComponent />);
+
+    expect(consoleWarnSpy).toHaveBeenCalledWith(
+      'Second parameter to withSendbirdContext must be a pure function',
+    );
+  });
+
+  it('renders OriginalComponent with merged props', () => {
+    const MockComponent = jest.fn((props) => <div data-testid="MockComponent">{props.testProp}</div>);
+    const mapStoreToProps = (context: any) => ({
+      mappedProp: context.someState,
+    });
+
+    const WrappedComponent = withSendBird(MockComponent, mapStoreToProps);
+
+    render(<WrappedComponent testProp="additionalValue" />);
+
+    expect(screen.getByTestId('MockComponent')).toHaveTextContent('additionalValue');
+
+    expect(MockComponent).toHaveBeenCalledWith(
+      expect.objectContaining({
+        mappedProp: 'testState',
+        testProp: 'additionalValue',
+      }),
+      {},
+    );
+  });
+});

src/lib/Sendbird/__tests__/initialState.spec.ts

@@ -0,0 +1,47 @@
+import { initialState } from '../context/initialState';
+
+describe('initialState', () => {
+  it('should match the expected structure', () => {
+    expect(initialState).toMatchObject({
+      config: expect.any(Object),
+      stores: expect.any(Object),
+      utils: expect.any(Object),
+      eventHandlers: expect.any(Object),
+    });
+  });
+
+  it('should have default values', () => {
+    expect(initialState.stores.sdkStore).toEqual({
+      sdk: {},
+      initialized: false,
+      loading: false,
+      error: undefined,
+    });
+    expect(initialState.stores.userStore).toEqual({
+      user: {},
+      initialized: false,
+      loading: false,
+    });
+    expect(initialState.stores.appInfoStore).toEqual({
+      messageTemplatesInfo: undefined,
+      waitingTemplateKeysMap: {},
+    });
+  });
+
+  it('should have correct config values', () => {
+    expect(initialState.config.theme).toBe('light');
+    expect(initialState.config.replyType).toBe('NONE');
+    expect(initialState.config.uikitUploadSizeLimit).toBeDefined();
+    expect(initialState.config.uikitMultipleFilesMessageLimit).toBeDefined();
+  });
+
+  it('should have all eventHandlers initialized', () => {
+    expect(initialState.eventHandlers.reaction.onPressUserProfile).toBeInstanceOf(Function);
+    expect(initialState.eventHandlers.connection.onConnected).toBeInstanceOf(Function);
+    expect(initialState.eventHandlers.connection.onFailed).toBeInstanceOf(Function);
+    expect(initialState.eventHandlers.modal.onMounted).toBeInstanceOf(Function);
+    expect(initialState.eventHandlers.message.onSendMessageFailed).toBeInstanceOf(Function);
+    expect(initialState.eventHandlers.message.onUpdateMessageFailed).toBeInstanceOf(Function);
+    expect(initialState.eventHandlers.message.onFileUploadFailed).toBeInstanceOf(Function);
+  });
+});