/** * Copyright Microsoft Corporation. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { test, expect } from './playwright-test-fixtures'; test('should be able to extend the expect matchers with test.extend in the folio config', async ({ runInlineTest }) => { const result = await runInlineTest({ 'helper.ts': ` folio.expect.extend({ toBeWithinRange(received, floor, ceiling) { const pass = received >= floor && received <= ceiling; if (pass) { return { message: () => 'passed', pass: true, }; } else { return { message: () => 'failed', pass: false, }; } }, }); export const test = folio.test; `, 'expect-test.spec.ts': ` import { test } from './helper'; test('numeric ranges', () => { test.expect(100).toBeWithinRange(90, 110); test.expect(101).not.toBeWithinRange(0, 100); }); ` }); expect(result.exitCode).toBe(0); expect(result.passed).toBe(1); }); test('should work with default expect prototype functions', async ({runTSC}) => { const result = await runTSC({ 'a.spec.ts': ` const { test } = folio; const expected = [1, 2, 3, 4, 5, 6]; test.expect([4, 1, 6, 7, 3, 5, 2, 5, 4, 6]).toEqual( expect.arrayContaining(expected), ); ` }); expect(result.exitCode).toBe(0); }); test('should work with default expect matchers', async ({runTSC}) => { const result = await runTSC({ 'a.spec.ts': ` const { test } = folio; test.expect(42).toBe(42); ` }); expect(result.exitCode).toBe(0); }); test('should work with jest-community/jest-extended', async ({runTSC}) => { const result = await runTSC({ 'global.d.ts': ` // Extracted example from their typings. // Reference: https://github.com/jest-community/jest-extended/blob/master/types/index.d.ts declare namespace jest { interface Matchers { toBeEmpty(): R; } } `, 'a.spec.ts': ` const { test } = folio; test.expect('').toBeEmpty(); test.expect('hello').not.toBeEmpty(); test.expect([]).toBeEmpty(); test.expect(['hello']).not.toBeEmpty(); test.expect({}).toBeEmpty(); test.expect({ hello: 'world' }).not.toBeEmpty(); ` }); expect(result.exitCode).toBe(0); }); test('should work with custom folio namespace', async ({runTSC}) => { const result = await runTSC({ 'global.d.ts': ` // Extracted example from their typings. // Reference: https://github.com/jest-community/jest-extended/blob/master/types/index.d.ts declare namespace folio { interface Matchers { toBeEmpty(): R; } } `, 'a.spec.ts': ` const { test } = folio; test.expect.extend({ toBeWithinRange() { }, }); test.expect('').toBeEmpty(); test.expect('hello').not.toBeEmpty(); test.expect([]).toBeEmpty(); test.expect(['hello']).not.toBeEmpty(); test.expect({}).toBeEmpty(); test.expect({ hello: 'world' }).not.toBeEmpty(); ` }); expect(result.exitCode).toBe(0); });