mirror of
https://github.com/microsoft/playwright.git
synced 2024-12-14 13:45:36 +03:00
698 lines
23 KiB
TypeScript
698 lines
23 KiB
TypeScript
/**
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* Copyright Microsoft Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import path from 'path';
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import { test, expect, parseTestRunnerOutput } from './playwright-test-fixtures';
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test('should be able to call expect.extend in config', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'helper.ts': `
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import { test as base, expect } from '@playwright/test';
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expect.extend({
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toBeWithinRange(received, floor, ceiling) {
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const pass = received >= floor && received <= ceiling;
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if (pass) {
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return {
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message: () =>
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'passed',
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pass: true,
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};
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} else {
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return {
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message: () => 'failed',
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pass: false,
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};
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}
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},
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});
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export const test = base;
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`,
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'expect-test.spec.ts': `
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import { test } from './helper';
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test('numeric ranges', () => {
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test.expect(100).toBeWithinRange(90, 110);
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test.expect(101).not.toBeWithinRange(0, 100);
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});
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`
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});
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expect(result.exitCode).toBe(0);
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expect(result.passed).toBe(1);
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});
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test('should not expand huge arrays', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'expect-test.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('numeric ranges', () => {
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const a1 = Array(100000).fill(1);
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const a2 = Array(100000).fill(1);
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a2[500] = 2;
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test.expect(a1).toEqual(a2);
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});
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`
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});
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expect(result.exitCode).toBe(1);
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expect(result.passed).toBe(0);
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expect(result.output.length).toBeLessThan(100000);
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});
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test('should include custom error message', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'expect-test.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('custom expect message', () => {
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test.expect(1+1, 'one plus one is two!').toEqual(3);
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});
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`
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});
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expect(result.exitCode).toBe(1);
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expect(result.passed).toBe(0);
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expect(result.output).toContain([
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` Error: one plus one is two!`,
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``,
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` Expected: 3`,
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` Received: 2`,
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].join('\n'));
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});
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test('should include custom error message with web-first assertions', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'expect-test.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('custom expect message', async ({page}) => {
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await expect(page.locator('x-foo'), { message: 'x-foo must be visible' }).toBeVisible({timeout: 1});
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});
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`
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});
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expect(result.exitCode).toBe(1);
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expect(result.passed).toBe(0);
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expect(result.output).toContain([
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` Error: x-foo must be visible`,
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``,
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` Call log:`,
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].join('\n'));
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});
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test('should work with generic matchers', async ({ runTSC }) => {
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const result = await runTSC({
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'a.spec.ts': `
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import { expect } from '@playwright/test';
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expect(42).toBe(42);
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expect(0.1 + 0.2).toBeCloseTo(0.3, 5);
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expect(null).toBeDefined();
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expect(null).toBeFalsy();
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expect(42).toBeGreaterThan(1);
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expect(42).toBeGreaterThanOrEqual(42);
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expect({}).toBeInstanceOf(Object);
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expect(42).toBeLessThan(100);
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expect(42).toBeLessThanOrEqual(42);
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expect(null).toBeNull();
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expect(42).toBeTruthy();
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expect(undefined).toBeUndefined();
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expect(NaN).toBeNaN();
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expect('abc').toContain('a');
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expect(['abc']).toContain('abc');
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expect(['abc']).toContainEqual('abc');
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expect({}).toEqual({});
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expect([1, 2]).toHaveLength(2);
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expect('abc').toMatch(/a.?c/);
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expect('abc').toMatch('abc');
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expect({ a: 1, b: 2 }).toMatchObject({ a: 1 });
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expect({}).toStrictEqual({});
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expect(() => { throw new Error('Something bad'); }).toThrow('something');
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expect(() => { throw new Error('Something bad'); }).toThrowError('something');
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expect(['Bob', 'Eve']).not.toEqual(expect.arrayContaining(['Alice', 'Bob']));
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expect({}).toEqual(expect.anything());
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expect({ sum: 0.1 + 0.2 }).toEqual({ sum: expect.closeTo(0.3, 5) });
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class Cat {}
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expect(new Cat()).toEqual(expect.any(Cat));
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expect({ x: 2, y: 3, foo: 'bar' }).toEqual(expect.objectContaining({
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x: expect.any(Number),
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y: expect.any(Number),
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}));
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expect('abc').toEqual(expect.stringContaining('bc'));
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expect('hello world').toEqual(expect.not.stringContaining('text'));
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expect(['Alicia', 'Roberto', 'Evelina']).toEqual(
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expect.arrayContaining([
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expect.stringMatching(/^Alic/),
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expect.stringMatching('Roberto'),
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]),
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);
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`
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});
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expect(result.exitCode).toBe(0);
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});
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test('should compile generic matchers', async ({ runTSC }) => {
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const result = await runTSC({
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'a.spec.ts': `
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import { expect } from '@playwright/test';
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expect(42).toBe(42);
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expect(42).toBeCloseTo(42);
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expect(42).toBeCloseTo(42, 5);
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expect(42).toBeDefined();
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expect(42).toBeFalsy();
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expect(42).toBeGreaterThan(1);
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expect(42n).toBeGreaterThan(1n);
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expect(42).toBeGreaterThanOrEqual(1);
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expect(42n).toBeGreaterThanOrEqual(1n);
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expect({}).toBeInstanceOf(Object);
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expect(42).toBeLessThan(1);
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expect(42n).toBeLessThan(1n);
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expect(42).toBeLessThanOrEqual(1);
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expect(42n).toBeLessThanOrEqual(1n);
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expect(42).toBeNull();
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expect(42).toBeTruthy();
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expect(42).toBeUndefined();
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expect(42).toBeNaN();
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expect('abc').toContain('b');
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expect([1, 2]).toContain(1);
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expect(new Set([1, 2])).toContain(1);
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expect([{}, { a: 1 }]).toContainEqual({});
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expect({}).toEqual({});
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expect([1, 2]).toHaveLength(2);
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expect('abc').toMatch(/a.?c/);
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expect({ a: 1, b: 2 }).toMatchObject({ a: 1 });
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expect([]).toMatchObject([]);
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expect({}).toStrictEqual({});
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expect(() => { throw new Error('Something bad'); }).toThrow('something');
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expect(() => { throw new Error('Something bad'); }).toThrow();
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expect(() => { throw new Error('Something bad'); }).toThrowError('something');
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expect(() => { throw new Error('Something bad'); }).toThrowError();
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expect(['Bob', 'Eve']).not.toEqual(expect.arrayContaining(['Alice', 'Bob']));
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expect({}).toEqual(expect.anything());
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expect({ sum: 0.1 + 0.2 }).toEqual({ sum: expect.closeTo(0.3, 5) });
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class Cat {}
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expect(new Cat()).toEqual(expect.any(Cat));
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expect({ x: 2, y: 3, foo: 'bar' }).toEqual(expect.objectContaining({
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x: expect.any(Number),
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y: expect.any(Number),
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}));
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expect('abc').toEqual(expect.stringContaining('bc'));
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expect(['Alicia', 'Roberto', 'Evelina']).toEqual(
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expect.arrayContaining([
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expect.stringMatching(/^Alic/),
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expect.stringMatching('Roberto'),
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]),
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);
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// @ts-expect-error
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expect(42).toBe(123, 456);
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// @ts-expect-error
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expect(42).toBeCloseTo(42, '5');
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// @ts-expect-error
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expect(42).toBeFalsy(123);
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// @ts-expect-error
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expect({}).toBeInstanceOf({});
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`,
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});
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expect(result.exitCode).toBe(0);
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});
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test('should work with expect message', async ({ runTSC }) => {
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const result = await runTSC({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test.expect(42, 'this is expect message').toBe(42);
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`
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});
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expect(result.exitCode).toBe(0);
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});
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test('should work with default expect matchers and esModuleInterop=false', async ({ runTSC }) => {
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const result = await runTSC({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test.expect(42).toBe(42);
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`,
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'tsconfig.json': JSON.stringify({
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'compilerOptions': {
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'target': 'ESNext',
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'moduleResolution': 'node',
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'module': 'commonjs',
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'strict': true,
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'rootDir': '.',
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'esModuleInterop': false,
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'allowSyntheticDefaultImports': false,
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'lib': ['esnext', 'dom', 'DOM.Iterable']
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},
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'exclude': [
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'node_modules'
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]
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}),
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});
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expect(result.exitCode).toBe(0);
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});
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test('should work with custom PlaywrightTest namespace', async ({ runTSC }) => {
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const result = await runTSC({
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'global.d.ts': `
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declare namespace PlaywrightTest {
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interface Matchers<R> {
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toBeEmpty(): R;
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}
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interface Matchers<R, T> {
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toBeNonEmpty(): R;
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}
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}
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`,
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test.expect.extend({
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toBeWithinRange() { },
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});
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test.expect('').toBeEmpty();
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test.expect('hello').not.toBeEmpty();
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test.expect([]).toBeEmpty();
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test.expect(['hello']).not.toBeEmpty();
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test.expect({}).toBeEmpty();
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test.expect({ hello: 'world' }).not.toBeEmpty();
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test.expect('').toBeNonEmpty();
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`
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});
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expect(result.exitCode).toBe(0);
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});
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test('should propose only the relevant matchers when custom expect matcher classes were passed', async ({ runTSC }) => {
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const result = await runTSC({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('custom matchers', async ({ page }) => {
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// Page-specific assertions apply to Page.
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await test.expect(page).toHaveURL('https://example.com');
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await test.expect(page).not.toHaveURL('https://example.com');
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// Some generic assertions also apply to Page.
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test.expect(page).toBe(true);
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test.expect(page).toBeDefined();
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test.expect(page).toBeFalsy();
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test.expect(page).toBeNull();
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test.expect(page).toBeTruthy();
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test.expect(page).toBeUndefined();
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// Locator-specific and most generic assertions do not apply to Page.
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// @ts-expect-error
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await test.expect(page).toBeEnabled();
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// @ts-expect-error
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await test.expect(page).not.toBeEnabled();
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// @ts-expect-error
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test.expect(page).toEqual();
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// Locator-specific assertions apply to Locator.
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await test.expect(page.locator('foo')).toBeEnabled();
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await test.expect(page.locator('foo')).toBeEnabled({ enabled: false });
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await test.expect(page.locator('foo')).not.toBeEnabled({ enabled: true });
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await test.expect(page.locator('foo')).toBeChecked();
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await test.expect(page.locator('foo')).not.toBeChecked({ checked: true });
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await test.expect(page.locator('foo')).not.toBeEditable();
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await test.expect(page.locator('foo')).toBeEditable({ editable: false });
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await test.expect(page.locator('foo')).toBeVisible();
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await test.expect(page.locator('foo')).not.toBeVisible({ visible: false });
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// Some generic assertions also apply to Locator.
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test.expect(page.locator('foo')).toBe(true);
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// Page-specific and most generic assertions do not apply to Locator.
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// @ts-expect-error
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await test.expect(page.locator('foo')).toHaveURL('https://example.com');
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// @ts-expect-error
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await test.expect(page.locator('foo')).toHaveLength(1);
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// Wrong arguments for assertions do not compile.
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// @ts-expect-error
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await test.expect(page.locator('foo')).toBeEnabled({ unknown: false });
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// @ts-expect-error
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await test.expect(page.locator('foo')).toBeEnabled({ enabled: 'foo' });
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// Generic assertions work.
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test.expect([123]).toHaveLength(1);
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test.expect('123').toMatchSnapshot('name');
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test.expect(await page.screenshot()).toMatchSnapshot('screenshot.png');
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// All possible assertions apply to "any" type.
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const x: any = 123;
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test.expect(x).toHaveLength(1);
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await test.expect(x).toHaveURL('url');
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await test.expect(x).toBeEnabled();
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test.expect(x).toMatchSnapshot('snapshot name');
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// APIResponse-specific assertions apply to APIResponse.
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const res = await page.request.get('http://i-do-definitely-not-exist.com');
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await test.expect(res).toBeOK();
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// Some generic assertions also apply to APIResponse.
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test.expect(res).toBe(true);
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// Page-specific and most generic assertions do not apply to APIResponse.
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// @ts-expect-error
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await test.expect(res).toHaveURL('https://example.com');
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// @ts-expect-error
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test.expect(res).toEqual(123);
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// Explicitly casting to "any" supports all assertions.
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await test.expect(res as any).toHaveURL('https://example.com');
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// Playwright-specific assertions do not apply to generic values.
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// @ts-expect-error
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await test.expect(123).toHaveURL('https://example.com');
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});
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`
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});
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expect(result.exitCode).toBe(0);
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});
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test('should return void/Promise when appropriate', async ({ runTSC }) => {
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const result = await runTSC({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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type AssertType<T, S> = S extends T ? AssertNotAny<S> : false;
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type AssertNotAny<S> = {notRealProperty: number} extends S ? false : true;
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test('example', async ({ page }) => {
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{
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const value = expect(1).toBe(2);
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const assertion: AssertType<void, typeof value> = true;
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}
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{
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const value = expect(1).not.toBe(2);
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const assertion: AssertType<void, typeof value> = true;
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}
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{
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const value = expect(page).toHaveURL('');
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const assertion: AssertType<Promise<void>, typeof value> = true;
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}
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{
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const value = expect(Promise.resolve(1)).resolves.toBe(1);
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const assertion: AssertType<Promise<void>, typeof value> = true;
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}
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{
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const value = expect.soft(1).toBe(2);
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const assertion: AssertType<void, typeof value> = true;
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}
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{
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const value = expect.poll(() => true).toBe(2);
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const assertion: AssertType<Promise<void>, typeof value> = true;
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}
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});
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`
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});
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expect(result.exitCode).toBe(0);
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});
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test.describe('helpful expect errors', () => {
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test('top-level', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('explodes', () => {
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expect(1).nope();
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});
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`
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});
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expect(result.output).toContain(`expect: Property 'nope' not found.`);
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});
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test('soft', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('explodes', () => {
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expect.soft(1).nope();
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});
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`
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});
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expect(result.output).toContain(`expect: Property 'nope' not found.`);
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});
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test('poll', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('explodes', () => {
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expect.poll(() => {}).nope();
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});
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`
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});
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expect(result.output).toContain(`expect: Property 'nope' not found.`);
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});
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test('not', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('explodes', () => {
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expect(1).not.nope();
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});
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`
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});
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expect(result.output).toContain(`expect: Property 'nope' not found.`);
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});
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test('bare', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'a.spec.ts': `
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import { test, expect } from '@playwright/test';
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test('explodes', () => {
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expect('');
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});
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`
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});
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expect(result.exitCode).toBe(0);
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expect(result.passed).toBe(1);
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});
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});
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test('should reasonably work in global setup', async ({ runInlineTest }) => {
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const result = await runInlineTest({
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'playwright.config.ts': `
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export default { globalSetup: './global-setup' };
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`,
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'global-setup.ts': `
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import { test, expect } from '@playwright/test';
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export default async () => {
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expect(1).toBe(1);
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await expect.poll(async () => {
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await new Promise(f => setTimeout(f, 50));
|
|
return 42;
|
|
}).toBe(42);
|
|
expect(1).toBe(2);
|
|
};
|
|
`,
|
|
'a.spec.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
test('skipped', () => {});
|
|
`,
|
|
});
|
|
|
|
expect(result.exitCode).toBe(1);
|
|
expect(result.output).toContain('> 9 | expect(1).toBe(2);');
|
|
});
|
|
|
|
test('should support toHaveURL with baseURL from webServer', async ({ runInlineTest }, testInfo) => {
|
|
const port = testInfo.workerIndex + 10500;
|
|
const result = await runInlineTest({
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
test('pass', async ({ page }) => {
|
|
await page.goto('/foobar');
|
|
await expect(page).toHaveURL('/foobar');
|
|
await expect(page).toHaveURL('http://localhost:${port}/foobar');
|
|
});
|
|
|
|
test('fail', async ({ page }) => {
|
|
await page.goto('/foobar');
|
|
await expect(page).toHaveURL('/kek', { timeout: 1000 });
|
|
});
|
|
`,
|
|
'playwright.config.ts': `
|
|
module.exports = {
|
|
webServer: {
|
|
command: 'node ${JSON.stringify(path.join(__dirname, 'assets', 'simple-server.js'))} ${port}',
|
|
port: ${port},
|
|
},
|
|
};
|
|
`,
|
|
}, { workers: 1 });
|
|
const output = result.output;
|
|
expect(output).toContain('expect(page).toHaveURL');
|
|
expect(output).toContain(`Expected string: \"http://localhost:${port}/kek\"`);
|
|
expect(result.passed).toBe(1);
|
|
expect(result.failed).toBe(1);
|
|
expect(result.exitCode).toBe(1);
|
|
});
|
|
|
|
test('should respect expect.timeout', async ({ runInlineTest }) => {
|
|
const result = await runInlineTest({
|
|
'playwright.config.js': `module.exports = { expect: { timeout: 1000 } }`,
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
test('timeout', async ({ page }) => {
|
|
await page.goto('data:text/html,<div>A</div>');
|
|
const error = await expect(page).toHaveURL('data:text/html,<div>B</div>').catch(e => e);
|
|
expect(error.message).toContain('expect.toHaveURL with timeout 1000ms');
|
|
expect(error.message).toContain('data:text/html,<div>');
|
|
});
|
|
`,
|
|
}, { workers: 1 });
|
|
expect(result.exitCode).toBe(0);
|
|
expect(result.passed).toBe(1);
|
|
});
|
|
|
|
test('should log scale the time', async ({ runInlineTest }) => {
|
|
const result = await runInlineTest({
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
test('pass', async ({ page }) => {
|
|
await page.setContent('<div id=div>Wrong</div>');
|
|
await expect(page.locator('div')).toHaveText('Text', { timeout: 2000 });
|
|
});
|
|
`,
|
|
}, { workers: 1 });
|
|
const output = result.output;
|
|
const tokens = output.split('unexpected value');
|
|
// Log scale: 0, 100, 250, 500, 1000, 1000, should be less than 8.
|
|
expect(tokens.length).toBeGreaterThan(1);
|
|
expect(tokens.length).toBeLessThan(8);
|
|
expect(result.passed).toBe(0);
|
|
expect(result.exitCode).toBe(1);
|
|
});
|
|
|
|
|
|
test('should print expected/received before timeout', async ({ runInlineTest }) => {
|
|
const result = await runInlineTest({
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
test('times out waiting for text', async ({ page }) => {
|
|
await page.setContent('<div id=node>Text content</div>');
|
|
await expect(page.locator('#node')).toHaveText('Text 2');
|
|
});
|
|
`,
|
|
}, { workers: 1, timeout: 2000 });
|
|
expect(result.exitCode).toBe(1);
|
|
expect(result.passed).toBe(0);
|
|
expect(result.failed).toBe(1);
|
|
expect(result.output).toContain('Test timeout of 2000ms exceeded.');
|
|
expect(result.output).toContain('Expected string: "Text 2"');
|
|
expect(result.output).toContain('Received string: "Text content"');
|
|
});
|
|
|
|
test('should print pending operations for toHaveText', async ({ runInlineTest }) => {
|
|
const result = await runInlineTest({
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
test('fail', async ({ page }) => {
|
|
await page.setContent('<div id=node>Text content</div>');
|
|
await expect(page.locator('no-such-thing')).toHaveText('Text');
|
|
});
|
|
`,
|
|
}, { workers: 1, timeout: 2000 });
|
|
expect(result.failed).toBe(1);
|
|
expect(result.exitCode).toBe(1);
|
|
const output = result.output;
|
|
expect(output).toContain('Pending operations:');
|
|
expect(output).toContain('expect(received).toHaveText(expected)');
|
|
expect(output).toContain('Expected string: "Text"');
|
|
expect(output).toContain('Received string: ""');
|
|
expect(output).toContain('waiting for locator(\'no-such-thing\')');
|
|
});
|
|
|
|
test('should print expected/received on Ctrl+C', async ({ interactWithTestRunner }) => {
|
|
test.skip(process.platform === 'win32', 'No sending SIGINT on Windows');
|
|
|
|
const testProcess = await interactWithTestRunner({
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
test('times out waiting for text', async ({ page }) => {
|
|
await page.setContent('<div id=node>Text content</div>');
|
|
const promise = expect(page.locator('#node')).toHaveText('Text 2');
|
|
await new Promise(f => setTimeout(f, 1000));
|
|
console.log('\\n%%SEND-SIGINT%%');
|
|
await promise;
|
|
});
|
|
`,
|
|
}, { workers: 1 });
|
|
await testProcess.waitForOutput('%%SEND-SIGINT%%');
|
|
process.kill(testProcess.process.pid!, 'SIGINT');
|
|
const { exitCode } = await testProcess.exited;
|
|
expect(exitCode).toBe(130);
|
|
|
|
const result = parseTestRunnerOutput(testProcess.output);
|
|
expect(result.passed).toBe(0);
|
|
expect(result.interrupted).toBe(1);
|
|
expect(result.output).toContain('Expected string: "Text 2"');
|
|
expect(result.output).toContain('Received string: "Text content"');
|
|
});
|
|
|
|
test('should not print timed out error message when test times out', async ({ runInlineTest }) => {
|
|
const result = await runInlineTest({
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
test('fail', async ({ page }) => {
|
|
await page.setContent('<div id=node>Text content</div>');
|
|
await expect(page.locator('no-such-thing')).toHaveText('hey', { timeout: 5000 });
|
|
});
|
|
`,
|
|
}, { workers: 1, timeout: 3000 });
|
|
expect(result.failed).toBe(1);
|
|
expect(result.exitCode).toBe(1);
|
|
const output = result.output;
|
|
expect(output).toContain('Test timeout of 3000ms exceeded');
|
|
expect(output).not.toContain('Timed out 5000ms waiting for expect');
|
|
expect(output).toContain('Error: expect(received).toHaveText(expected)');
|
|
});
|
|
|
|
test('should not leak long expect message strings', async ({ runInlineTest }) => {
|
|
const result = await runInlineTest({
|
|
'a.test.ts': `
|
|
import { test, expect } from '@playwright/test';
|
|
|
|
let logs: string = 'Ab';
|
|
const consoleLogWatcher = (msg: ConsoleMessage) => {
|
|
if (logs.length < (1<<28))
|
|
logs += logs;
|
|
expect(msg.text(), logs).toMatch(/^\\d+$/);
|
|
}
|
|
|
|
test('main', async ({ page }) => {
|
|
page.on('console', consoleLogWatcher);
|
|
await page.evaluate(() => {
|
|
for (let i = 0; i < 20; i++)
|
|
console.log(i);
|
|
});
|
|
});
|
|
`,
|
|
}, { workers: 1 });
|
|
// expect(result.output).toBe('');
|
|
expect(result.failed).toBe(0);
|
|
expect(result.exitCode).toBe(0);
|
|
});
|