Fix image link in all products block. (https://github.com/woocommerce/woocommerce-blocks/pull/3722)
* Fix image link in all products block. - add alt text on product image - prevent the appearance of both product and placeholder image at the same time - make anchor with placeholder image accessible * Add testing for product-elements/image block.
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Raluca Stan
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@ -2,7 +2,8 @@
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* External dependencies
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*/
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import PropTypes from 'prop-types';
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import { useState } from '@wordpress/element';
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import { useState, Fragment } from '@wordpress/element';
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import { __, sprintf } from '@wordpress/i18n';
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import classnames from 'classnames';
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import { PLACEHOLDER_IMG_SRC } from '@woocommerce/block-settings';
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import {
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@ -10,7 +11,6 @@ import {
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useProductDataContext,
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} from '@woocommerce/shared-context';
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import { withProductDataContext } from '@woocommerce/shared-hocs';
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import { isEmpty } from 'lodash';
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/**
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* Internal dependencies
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@ -29,10 +29,10 @@ import './style.scss';
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* @param {string} [props.saleBadgeAlign] How should the sale badge be aligned if displayed.
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* @return {*} The component.
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*/
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const Block = ( {
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export const Block = ( {
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className,
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imageSizing = 'full-size',
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productLink = true,
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productLink: showProductLink = true,
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showSaleBadge,
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saleBadgeAlign = 'right',
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} ) => {
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@ -56,8 +56,19 @@ const Block = ( {
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</div>
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);
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}
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const image = ! isEmpty( product.images ) ? product.images[ 0 ] : null;
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const hasProductImages = !! product.images.length;
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const image = hasProductImages ? product.images[ 0 ] : null;
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const ParentComponent = showProductLink ? 'a' : Fragment;
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const anchorLabel = sprintf(
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/* Translators: %s is referring to the product name */
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__( 'Link to %s', 'woo-gutenberg-products-block' ),
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product.name
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);
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const anchorProps = {
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href: product.permalink,
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rel: 'nofollow',
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...( ! hasProductImages && { 'aria-label': anchorLabel } ),
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};
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return (
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<div
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@ -69,8 +80,7 @@ const Block = ( {
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}
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) }
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>
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{ productLink ? (
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<a href={ product.permalink } rel="nofollow">
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<ParentComponent { ...( showProductLink && anchorProps ) }>
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{ !! showSaleBadge && (
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<ProductSaleBadge
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align={ saleBadgeAlign }
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@ -78,28 +88,13 @@ const Block = ( {
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/>
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) }
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<Image
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fallbackAlt={ product.name }
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image={ image }
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onLoad={ () => setImageLoaded( true ) }
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loaded={ imageLoaded }
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showFullSize={ imageSizing !== 'cropped' }
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/>
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</a>
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) : (
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<>
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{ !! showSaleBadge && (
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<ProductSaleBadge
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align={ saleBadgeAlign }
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product={ product }
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/>
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) }
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<Image
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image={ image }
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onLoad={ () => setImageLoaded( true ) }
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loaded={ imageLoaded }
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showFullSize={ imageSizing !== 'cropped' }
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/>
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</>
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) }
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</ParentComponent>
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</div>
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);
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};
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@ -110,28 +105,22 @@ const ImagePlaceholder = () => {
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);
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};
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const Image = ( { image, onLoad, loaded, showFullSize } ) => {
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const Image = ( { image, onLoad, loaded, showFullSize, fallbackAlt } ) => {
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const { thumbnail, src, srcset, sizes, alt } = image || {};
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let imageProps = {
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alt,
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const imageProps = {
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alt: alt || fallbackAlt,
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onLoad,
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hidden: ! loaded,
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src: thumbnail,
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...( showFullSize && { src, srcSet: srcset, sizes } ),
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};
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if ( showFullSize ) {
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imageProps = {
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...imageProps,
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src,
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srcSet: srcset,
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sizes,
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};
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}
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return (
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<>
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{ /* eslint-disable-next-line jsx-a11y/alt-text */ }
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<img { ...imageProps } />
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{ imageProps.src && (
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/* eslint-disable-next-line jsx-a11y/alt-text */
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<img data-testid="product-image" { ...imageProps } />
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) }
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{ ! loaded && <ImagePlaceholder /> }
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</>
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);
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@ -139,6 +128,7 @@ const Image = ( { image, onLoad, loaded, showFullSize } ) => {
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Block.propTypes = {
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className: PropTypes.string,
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fallbackAlt: PropTypes.string,
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productLink: PropTypes.bool,
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showSaleBadge: PropTypes.bool,
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saleBadgeAlign: PropTypes.string,
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@ -0,0 +1,139 @@
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/**
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* External dependencies
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*/
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import { render, fireEvent } from '@testing-library/react';
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import { ProductDataContextProvider } from '@woocommerce/shared-context';
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/**
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* Internal dependencies
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*/
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import { Block } from '../block';
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jest.mock( '@woocommerce/block-settings', () => ( {
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__esModule: true,
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PLACEHOLDER_IMG_SRC: 'placeholder.jpg',
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} ) );
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const productWithoutImages = {
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name: 'Test product',
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id: 1,
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fallbackAlt: 'Test product',
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permalink: 'http://test.com/product/test-product/',
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images: [],
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};
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const productWithImages = {
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name: 'Test product',
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id: 1,
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fallbackAlt: 'Test product',
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permalink: 'http://test.com/product/test-product/',
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images: [
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{
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id: 56,
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src: 'logo-1.jpg',
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thumbnail: 'logo-1-324x324.jpg',
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srcset:
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'logo-1.jpg 800w, logo-1-300x300.jpg 300w, logo-1-150x150.jpg 150w, logo-1-768x767.jpg 768w, logo-1-324x324.jpg 324w, logo-1-416x415.jpg 416w, logo-1-100x100.jpg 100w',
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sizes: '(max-width: 800px) 100vw, 800px',
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name: 'logo-1.jpg',
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alt: '',
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},
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{
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id: 55,
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src: 'beanie-with-logo-1.jpg',
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thumbnail: 'beanie-with-logo-1-324x324.jpg',
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srcset:
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'beanie-with-logo-1.jpg 800w, beanie-with-logo-1-300x300.jpg 300w, beanie-with-logo-1-150x150.jpg 150w, beanie-with-logo-1-768x768.jpg 768w, beanie-with-logo-1-324x324.jpg 324w, beanie-with-logo-1-416x416.jpg 416w, beanie-with-logo-1-100x100.jpg 100w',
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sizes: '(max-width: 800px) 100vw, 800px',
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name: 'beanie-with-logo-1.jpg',
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alt: '',
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},
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],
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};
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describe( 'Product Image Block', () => {
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describe( 'with product link', () => {
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test( 'should render an anchor with the product image', () => {
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const component = render(
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<ProductDataContextProvider product={ productWithImages }>
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<Block productLink />
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</ProductDataContextProvider>
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);
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// use testId as alt is added after image is loaded
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const image = component.getByTestId( 'product-image' );
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fireEvent.load( image );
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const productImage = component.getByAltText(
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productWithImages.name
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);
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expect( productImage.getAttribute( 'src' ) ).toBe(
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productWithImages.images[ 0 ].src
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);
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const anchor = productImage.closest( 'a' );
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expect( anchor.getAttribute( 'href' ) ).toBe(
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productWithImages.permalink
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);
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} );
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test( 'should render an anchor with the placeholder image', () => {
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const component = render(
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<ProductDataContextProvider product={ productWithoutImages }>
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<Block productLink />
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</ProductDataContextProvider>
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);
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const placeholderImage = component.getByAltText( '' );
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expect( placeholderImage.getAttribute( 'src' ) ).toBe(
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'placeholder.jpg'
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);
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const anchor = placeholderImage.closest( 'a' );
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expect( anchor.getAttribute( 'href' ) ).toBe(
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productWithoutImages.permalink
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);
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expect( anchor.getAttribute( 'aria-label' ) ).toBe(
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`Link to ${ productWithoutImages.name }`
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);
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} );
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} );
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describe( 'without product link', () => {
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test( 'should render the product image without an anchor wrapper', () => {
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const component = render(
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<ProductDataContextProvider product={ productWithImages }>
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<Block productLink={ false } />
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</ProductDataContextProvider>
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);
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const image = component.getByTestId( 'product-image' );
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fireEvent.load( image );
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const productImage = component.getByAltText(
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productWithImages.name
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);
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expect( productImage.getAttribute( 'src' ) ).toBe(
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productWithImages.images[ 0 ].src
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);
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const anchor = productImage.closest( 'a' );
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expect( anchor ).toBe( null );
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} );
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test( 'should render the placeholder image without an anchor wrapper', () => {
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const component = render(
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<ProductDataContextProvider product={ productWithoutImages }>
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<Block productLink={ false } />
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</ProductDataContextProvider>
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);
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const placeholderImage = component.getByAltText( '' );
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expect( placeholderImage.getAttribute( 'src' ) ).toBe(
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'placeholder.jpg'
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);
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const anchor = placeholderImage.closest( 'a' );
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expect( anchor ).toBe( null );
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} );
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} );
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} );
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