enzyme-adapter-utils

import EnzymeAdapter, { RSTreeNode, syncWithReactDom } from 'enzyme-adapter-utils'; import { configure } from 'enzyme'; // This is an illustrative example of a custom adapter using enzyme-adapter-utils. // End-users typically install and configure existing adapters (e.g., enzyme-adapter-react-16). class CustomEnzymeAdapter extends EnzymeAdapter { constructor() { super(); console.log('CustomEnzymeAdapter initialized.'); } // Required methods for a custom adapter (simplified for example): createRenderer(options) { if (options.mode === 'mount') { syncWithReactDom(); // Example utility usage } console.log(`Creating renderer for mode: ${options.mode}`); return { render: (node, context) => { // In a real adapter, this would perform actual rendering console.log('Rendering node:', node); // Return a mock RSTreeNode for demonstration return new RSTreeNode('div', { className: 'rendered' }, [], null); }, unmount: (node) => console.log('Unmounting node:', node), getNode: (node) => new RSTreeNode('span', {}, [], null), // Example utility usage }; } // Other required adapter methods would be implemented here isValidElement(element) { return true; } nodeToElement(node) { return node; } nodeToHostNode(node) { return null; } displayNameOfNode(node) { return node.type || 'Unknown'; } // ... many more methods } // To actually use this adapter, you would configure Enzyme with it: // configure({ adapter: new CustomEnzymeAdapter() }); console.log('This code demonstrates how a custom Enzyme adapter would leverage `enzyme-adapter-utils`.'); console.log('The EnzymeAdapter class, RSTreeNode, and syncWithReactDom are internal utilities for adapter authors.'); console.log('Direct usage by typical test authors is uncommon and not recommended.');