playwright/tests/page/locator-query.spec.ts

/**
 * Copyright 2018 Google Inc. All rights reserved.
 * Modifications copyright (c) Microsoft Corporation.
 *
 * 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 as it, expect } from './pageTest';

it('should respect first() and last() #smoke', async ({ page }) => {
  await page.setContent(`
  <section>
    <div><p>A</p></div>
    <div><p>A</p><p>A</p></div>
    <div><p>A</p><p>A</p><p>A</p></div>
  </section>`);
  expect(await page.locator('div >> p').count()).toBe(6);
  expect(await page.locator('div').locator('p').count()).toBe(6);
  expect(await page.locator('div').first().locator('p').count()).toBe(1);
  expect(await page.locator('div').last().locator('p').count()).toBe(3);
});

it('should respect nth()', async ({ page }) => {
  await page.setContent(`
  <section>
    <div><p>A</p></div>
    <div><p>A</p><p>A</p></div>
    <div><p>A</p><p>A</p><p>A</p></div>
  </section>`);
  expect(await page.locator('div >> p').nth(0).count()).toBe(1);
  expect(await page.locator('div').nth(1).locator('p').count()).toBe(2);
  expect(await page.locator('div').nth(2).locator('p').count()).toBe(3);
});

it('should throw on capture w/ nth()', async ({ page }) => {
  await page.setContent(`<section><div><p>A</p></div></section>`);
  const e = await page.locator('*css=div >> p').nth(1).click().catch(e => e);
  expect(e.message).toContain(`Can't query n-th element`);
});

it('should throw on due to strictness', async ({ page }) => {
  await page.setContent(`<div>A</div><div>B</div>`);
  const e = await page.locator('div').isVisible().catch(e => e);
  expect(e.message).toContain(`strict mode violation`);
});

it('should throw on due to strictness 2', async ({ page }) => {
  await page.setContent(`<select><option>One</option><option>Two</option></select>`);
  const e = await page.locator('option').evaluate(e => {}).catch(e => e);
  expect(e.message).toContain(`strict mode violation`);
});

it('should filter by text', async ({ page }) => {
  await page.setContent(`<div>Foobar</div><div>Bar</div>`);
  await expect(page.locator('div', { hasText: 'Foo' })).toHaveText('Foobar');
});

it('should filter by text 2', async ({ page }) => {
  await page.setContent(`<div>foo <span>hello world</span> bar</div>`);
  await expect(page.locator('div', { hasText: 'hello world' })).toHaveText('foo hello world bar');
});

it('should filter by regex', async ({ page }) => {
  await page.setContent(`<div>Foobar</div><div>Bar</div>`);
  await expect(page.locator('div', { hasText: /Foo.*/ })).toHaveText('Foobar');
});

it('should filter by text with quotes', async ({ page }) => {
  await page.setContent(`<div>Hello "world"</div><div>Hello world</div>`);
  await expect(page.locator('div', { hasText: 'Hello "world"' })).toHaveText('Hello "world"');
});

it('should filter by regex with quotes', async ({ page }) => {
  await page.setContent(`<div>Hello "world"</div><div>Hello world</div>`);
  await expect(page.locator('div', { hasText: /Hello "world"/ })).toHaveText('Hello "world"');
});

it('should filter by regex and regexp flags', async ({ page }) => {
  await page.setContent(`<div>Hello "world"</div><div>Hello world</div>`);
  await expect(page.locator('div', { hasText: /hElLo "world"/i })).toHaveText('Hello "world"');
});

it('should support has:locator', async ({ page, trace }) => {
  it.skip(trace === 'on');

  await page.setContent(`<div><span>hello</span></div><div><span>world</span></div>`);
  await expect(page.locator(`div`, {
    has: page.locator(`text=world`)
  })).toHaveCount(1);
  expect(await page.locator(`div`, {
    has: page.locator(`text=world`)
  }).evaluate(e => e.outerHTML)).toBe(`<div><span>world</span></div>`);
  await expect(page.locator(`div`, {
    has: page.locator(`text="hello"`)
  })).toHaveCount(1);
  expect(await page.locator(`div`, {
    has: page.locator(`text="hello"`)
  }).evaluate(e => e.outerHTML)).toBe(`<div><span>hello</span></div>`);
  await expect(page.locator(`div`, {
    has: page.locator(`xpath=./span`)
  })).toHaveCount(2);
  await expect(page.locator(`div`, {
    has: page.locator(`span`)
  })).toHaveCount(2);
  await expect(page.locator(`div`, {
    has: page.locator(`span`, { hasText: 'wor' })
  })).toHaveCount(1);
  expect(await page.locator(`div`, {
    has: page.locator(`span`, { hasText: 'wor' })
  }).evaluate(e => e.outerHTML)).toBe(`<div><span>world</span></div>`);
  await expect(page.locator(`div`, {
    has: page.locator(`span`),
    hasText: 'wor',
  })).toHaveCount(1);
});

it('should enforce same frame for has:locator', async ({ page, server }) => {
  await page.goto(server.PREFIX + '/frames/two-frames.html');
  const child = page.frames()[1];
  let error;
  try {
    page.locator('div', { has: child.locator('span') });
  } catch (e) {
    error = e;
  }
  expect(error.message).toContain('Inner "has" locator must belong to the same frame.');
});