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41 lines
1.3 KiB
TypeScript
41 lines
1.3 KiB
TypeScript
import { configure } from 'enzyme';
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import Adapter from '@wojtekmaj/enzyme-adapter-react-17';
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import { GlobalWithFetchMock } from 'jest-fetch-mock';
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import 'mutationobserver-shim'; // Needed for CodeMirror.
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import './globals';
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import 'jest-canvas-mock';
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configure({ adapter: new Adapter() });
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const customGlobal: GlobalWithFetchMock = global as GlobalWithFetchMock;
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customGlobal.fetch = require('jest-fetch-mock');
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customGlobal.fetchMock = customGlobal.fetch;
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// https://stackoverflow.com/questions/39830580/jest-test-fails-typeerror-window-matchmedia-is-not-a-function
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// https://jestjs.io/docs/manual-mocks#mocking-methods-which-are-not-implemented-in-jsdom
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Object.defineProperty(window, 'matchMedia', {
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writable: true,
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value: jest.fn().mockImplementation((query) => ({
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matches: false,
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media: query,
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onchange: null,
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addListener: jest.fn(), // Deprecated
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removeListener: jest.fn(), // Deprecated
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addEventListener: jest.fn(),
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removeEventListener: jest.fn(),
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dispatchEvent: jest.fn(),
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})),
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});
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// CodeMirror in the expression input requires this DOM API. When we upgrade react-scripts
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// and the associated Jest deps, hopefully this won't be needed anymore.
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document.getSelection = function () {
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return {
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addRange: function () {
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return;
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},
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removeAllRanges: function () {
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return;
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},
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};
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};
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