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/**
* @jest-environment jsdom
*/
import { render, screen } from '@testing-library/react';
import {
FeedRecommendation,
useFeedRecommendationsQuery,
} from 'calypso/data/reader/use-feed-recommendations-query';
import { UserData } from 'calypso/lib/user/user';
import UserRecommendedBlogs from '../recommended-blogs';
jest.mock( '@automattic/components', () => ( {
LoadingPlaceholder: () => <div data-testid="loading-placeholder">Loading...</div>,
} ) );
jest.mock(
'calypso/components/gravatar-with-hovercards/recommended-blogs/item',
() =>
( { blog, classPrefix }: { blog: { ID: number; name: string }; classPrefix: string } ) => (
<li data-class-prefix={ classPrefix }>{ blog.name }</li>
)
);
jest.mock( 'calypso/components/empty-content', () => ( {
__esModule: true,
default: ( { line }: { line: string } ) => <div data-testid="empty-content">{ line }</div>,
} ) );
jest.mock( 'calypso/state', () => ( {
useSelector: jest.fn(),
useDispatch: jest.fn(),
} ) );
jest.mock( 'calypso/data/reader/use-feed-recommendations-query', () => ( {
useFeedRecommendationsQuery: jest.fn(),
} ) );
describe( 'UserRecommendedBlogs', () => {
const defaultUser: UserData = {
ID: 123,
user_login: 'testuser',
display_name: 'Test User',
avatar_URL: 'https://example.com/avatar.jpg',
};
const mockDispatch = jest.fn();
const { useDispatch } = jest.requireMock( 'calypso/state' );
beforeEach( () => {
jest.clearAllMocks();
useDispatch.mockReturnValue( mockDispatch );
} );
test( 'should render LoadingPlaceholder when no recommended blogs and still expecting request', () => {
jest.mocked( useFeedRecommendationsQuery ).mockReturnValue( {
data: [],
isLoading: true,
isSuccess: false,
} );
render( <UserRecommendedBlogs user={ defaultUser } /> );
const loadingPlaceholder = screen.getByTestId( 'loading-placeholder' );
expect( loadingPlaceholder ).toBeInTheDocument();
expect( loadingPlaceholder ).toHaveTextContent( 'Loading...' );
} );
test( 'should render EmptyContent when no recommended blogs and request has completed', () => {
jest.mocked( useFeedRecommendationsQuery ).mockReturnValue( {
data: [],
isLoading: false,
isSuccess: true,
} );
render( <UserRecommendedBlogs user={ defaultUser } /> );
const emptyContent = screen.getByTestId( 'empty-content' );
expect( emptyContent ).toBeInTheDocument();
expect( emptyContent ).toHaveTextContent( 'No blogs have been recommended yet.' );
} );
test( 'should render recommended blogs when available', () => {
const mockRecommendedBlogs = [
{
ID: '1',
name: 'Test Blog 1',
feedId: '1',
},
{
ID: '2',
name: 'Test Blog 2',
feedId: '2',
},
] as FeedRecommendation[];
jest.mocked( useFeedRecommendationsQuery ).mockReturnValue( {
data: mockRecommendedBlogs,
isLoading: false,
isSuccess: true,
} );
render( <UserRecommendedBlogs user={ defaultUser } /> );
expect( screen.getByText( 'Test Blog 1' ) ).toBeVisible();
expect( screen.getByText( 'Test Blog 2' ) ).toBeVisible();
} );
} );
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