/**
* External dependencies
*/
import TestRenderer from 'react-test-renderer';
import * as mockUtils from '@woocommerce/editor-components/utils';
/**
* Internal dependencies
*/
import withCategories from '../with-categories';
import * as mockBaseUtils from '../../base/utils/errors';
jest.mock( '@woocommerce/editor-components/utils', () => ( {
getCategories: jest.fn(),
} ) );
jest.mock( '../../base/utils/errors', () => ( {
formatError: jest.fn(),
} ) );
const mockCategories = [
{ id: 1, name: 'Clothing' },
{ id: 2, name: 'Food' },
];
const TestComponent = withCategories( ( props ) => {
return (
<div
error={ props.error }
isLoading={ props.isLoading }
categories={ props.categories }
/>
);
} );
const render = () => {
return TestRenderer.create( <TestComponent /> );
};
describe( 'withCategories Component', () => {
let renderer;
afterEach( () => {
mockUtils.getCategories.mockReset();
} );
describe( 'lifecycle events', () => {
beforeEach( () => {
mockUtils.getCategories.mockImplementation( () =>
Promise.resolve()
);
renderer = render();
} );
it( 'getCategories is called on mount', () => {
const { getCategories } = mockUtils;
expect( getCategories ).toHaveBeenCalledTimes( 1 );
} );
} );
describe( 'when the API returns categories data', () => {
beforeEach( () => {
mockUtils.getCategories.mockImplementation( () =>
Promise.resolve( mockCategories )
);
renderer = render();
} );
it( 'sets the categories props', () => {
const props = renderer.root.findByType( 'div' ).props;
expect( props.error ).toBeNull();
expect( props.isLoading ).toBe( false );
expect( props.categories ).toEqual( mockCategories );
} );
} );
describe( 'when the API returns an error', () => {
const error = { message: 'There was an error.' };
const getCategoriesPromise = Promise.reject( error );
const formattedError = { message: 'There was an error.', type: 'api' };
beforeEach( () => {
mockUtils.getCategories.mockImplementation(
() => getCategoriesPromise
);
mockBaseUtils.formatError.mockImplementation(
() => formattedError
);
renderer = render();
} );
test( 'sets the error prop', async () => {
await expect( () => getCategoriesPromise() ).toThrow();
const { formatError } = mockBaseUtils;
const props = renderer.root.findByType( 'div' ).props;
expect( formatError ).toHaveBeenCalledWith( error );
expect( formatError ).toHaveBeenCalledTimes( 1 );
expect( props.error ).toEqual( formattedError );
expect( props.isLoading ).toBe( false );
expect( props.categories ).toBeNull();
} );
} );
} );