woocommerce/packages/woocommerce-blocks/assets/js/hocs/test/with-product.js

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2021-12-10 12:03:04 +00:00
/**
* External dependencies
*/
import TestRenderer from 'react-test-renderer';
import * as mockUtils from '@woocommerce/editor-components/utils';
/**
* Internal dependencies
*/
import withProduct from '../with-product';
import * as mockBaseUtils from '../../base/utils/errors';
jest.mock( '@woocommerce/editor-components/utils', () => ( {
getProduct: jest.fn(),
} ) );
jest.mock( '../../base/utils/errors', () => ( {
formatError: jest.fn(),
} ) );
const mockProduct = { name: 'T-Shirt' };
const attributes = { productId: 1 };
const TestComponent = withProduct( ( props ) => {
return (
<div
error={ props.error }
getProduct={ props.getProduct }
isLoading={ props.isLoading }
product={ props.product }
/>
);
} );
const render = () => {
return TestRenderer.create( <TestComponent attributes={ attributes } /> );
};
describe( 'withProduct Component', () => {
let renderer;
afterEach( () => {
mockUtils.getProduct.mockReset();
} );
describe( 'lifecycle events', () => {
beforeEach( () => {
mockUtils.getProduct.mockImplementation( () => Promise.resolve() );
renderer = render();
} );
it( 'getProduct is called on mount with passed in product id', () => {
const { getProduct } = mockUtils;
expect( getProduct ).toHaveBeenCalledWith( attributes.productId );
expect( getProduct ).toHaveBeenCalledTimes( 1 );
} );
it( 'getProduct is called on component update', () => {
const { getProduct } = mockUtils;
const newAttributes = { ...attributes, productId: 2 };
renderer.update( <TestComponent attributes={ newAttributes } /> );
expect( getProduct ).toHaveBeenNthCalledWith(
2,
newAttributes.productId
);
expect( getProduct ).toHaveBeenCalledTimes( 2 );
} );
it( 'getProduct is hooked to the prop', () => {
const { getProduct } = mockUtils;
const props = renderer.root.findByType( 'div' ).props;
props.getProduct();
expect( getProduct ).toHaveBeenCalledTimes( 2 );
} );
} );
describe( 'when the API returns product data', () => {
beforeEach( () => {
mockUtils.getProduct.mockImplementation( ( productId ) =>
Promise.resolve( { ...mockProduct, id: productId } )
);
renderer = render();
} );
it( 'sets the product props', () => {
const props = renderer.root.findByType( 'div' ).props;
expect( props.error ).toBeNull();
expect( typeof props.getProduct ).toBe( 'function' );
expect( props.isLoading ).toBe( false );
expect( props.product ).toEqual( {
...mockProduct,
id: attributes.productId,
} );
} );
} );
describe( 'when the API returns an error', () => {
const error = { message: 'There was an error.' };
const getProductPromise = Promise.reject( error );
const formattedError = { message: 'There was an error.', type: 'api' };
beforeEach( () => {
mockUtils.getProduct.mockImplementation( () => getProductPromise );
mockBaseUtils.formatError.mockImplementation(
() => formattedError
);
renderer = render();
} );
test( 'sets the error prop', async () => {
await expect( () => getProductPromise() ).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( typeof props.getProduct ).toBe( 'function' );
expect( props.isLoading ).toBe( false );
expect( props.product ).toBeNull();
} );
} );
} );