chore: remove enzyme (#6777)

karma.conf.js

@@ -33,9 +33,6 @@ module.exports = (config) => {
         symlinks: false,
         extensions: ['.js', '.jsx', '.ts', '.tsx'],
         fallback: {
-          util: require.resolve('util/'),
-          // for Enzyme/Cheerio
-          stream: require.resolve('stream-browserify'),
           'process/browser': require.resolve('process/browser'),
         },
       },

package.json

@@ -104,8 +104,6 @@
     "cpy-cli": "^3.1.1",
     "cross-env": "^7.0.3",
     "dtslint": "^4.2.1",
-    "enzyme": "^3.11.0",
-    "enzyme-adapter-react-16": "^1.15.7",
     "eslint": "^8.55.0",
     "eslint-config-4catalyzer-typescript": "^3.3.0",
     "eslint-import-resolver-node": "^0.3.9",
@@ -139,7 +137,6 @@
     "simulant": "^0.2.2",
     "sinon": "^15.2.0",
     "sinon-chai": "^3.7.0",
-    "stream-browserify": "^3.0.0",
     "typescript": "^5.3.3",
     "util": "^0.12.5",
     "webpack": "^5.89.0"

test/index.js

@@ -1,28 +1,5 @@
 import deprecated from 'prop-types-extra/lib/deprecated';
 import Util from 'util';
-import Enzyme, { ShallowWrapper, ReactWrapper } from 'enzyme';
-import Adapter from 'enzyme-adapter-react-16';
-
-Enzyme.configure({ adapter: new Adapter() });
-
-function assertLength(length) {
-  return function $assertLength(selector) {
-    let result = this.find(selector);
-    expect(
-      result,
-      `Expected to find ${length} match but found ${
-        result.length
-      } for selector "${selector}" on element: \n\n${this.debug()}`,
-    ).to.have.length(length);
-    return result;
-  };
-}
-
-ReactWrapper.prototype.assertSingle = assertLength(1);
-ShallowWrapper.prototype.assertSingle = assertLength(1);
-
-ReactWrapper.prototype.assertNone = assertLength(0);
-ShallowWrapper.prototype.assertNone = assertLength(0);
 
 beforeEach(() => {
   sinon.stub(console, 'error').callsFake((msg, ...args) => {

test/useOverlayOffsetSpec.tsx

@@ -1,6 +1,5 @@
 import * as React from 'react';
 import { useImperativeHandle } from 'react';
-import { mount } from 'enzyme';
 import { render } from '@testing-library/react';
 import { expect } from 'chai';
 
@@ -54,7 +53,7 @@ describe('useOverlayOffset', () => {
   it('should have offset of [0, 6] for Tooltips', () => {
     const ref = React.createRef<any>();
 
-    mount(
+    render(
       <Wrapper ref={ref}>
         <Tooltip id="test-tooltip" />
       </Wrapper>,
@@ -67,7 +66,7 @@ describe('useOverlayOffset', () => {
   it('should have offset of [0, 0] for any overlay', () => {
     const ref = React.createRef<any>();
 
-    mount(
+    render(
       <Wrapper ref={ref}>
         <div>test</div>
       </Wrapper>,