puppeteer/test/click.spec.js

/**
 * Copyright 2018 Google Inc. 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.
 */

const expect = require('expect');
const {
  getTestState,
  setupTestPageAndContextHooks,
  setupTestBrowserHooks,
} = require('./mocha-utils');
const utils = require('./utils');

describe('Page.click', function () {
  setupTestBrowserHooks();
  setupTestPageAndContextHooks();
  it('should click the button', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/button.html');
    await page.click('button');
    expect(await page.evaluate(() => result)).toBe('Clicked');
  });
  it('should click svg', async () => {
    const { page } = getTestState();

    await page.setContent(`
        <svg height="100" width="100">
          <circle onclick="javascript:window.__CLICKED=42" cx="50" cy="50" r="40" stroke="black" stroke-width="3" fill="red" />
        </svg>
      `);
    await page.click('circle');
    expect(await page.evaluate(() => window.__CLICKED)).toBe(42);
  });
  itFailsFirefox(
    'should click the button if window.Node is removed',
    async () => {
      const { page, server } = getTestState();

      await page.goto(server.PREFIX + '/input/button.html');
      await page.evaluate(() => delete window.Node);
      await page.click('button');
      expect(await page.evaluate(() => result)).toBe('Clicked');
    }
  );
  // @see https://github.com/puppeteer/puppeteer/issues/4281
  it('should click on a span with an inline element inside', async () => {
    const { page } = getTestState();

    await page.setContent(`
        <style>
        span::before {
          content: 'q';
        }
        </style>
        <span onclick='javascript:window.CLICKED=42'></span>
      `);
    await page.click('span');
    expect(await page.evaluate(() => window.CLICKED)).toBe(42);
  });
  it('should not throw UnhandledPromiseRejection when page closes', async () => {
    const { page } = getTestState();

    const newPage = await page.browser().newPage();
    await Promise.all([
      newPage.close(),
      newPage.mouse.click(1, 2),
    ]).catch((error) => {});
  });
  it('should click the button after navigation ', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/button.html');
    await page.click('button');
    await page.goto(server.PREFIX + '/input/button.html');
    await page.click('button');
    expect(await page.evaluate(() => result)).toBe('Clicked');
  });
  itFailsFirefox('should click with disabled javascript', async () => {
    const { page, server } = getTestState();

    await page.setJavaScriptEnabled(false);
    await page.goto(server.PREFIX + '/wrappedlink.html');
    await Promise.all([page.click('a'), page.waitForNavigation()]);
    expect(page.url()).toBe(server.PREFIX + '/wrappedlink.html#clicked');
  });
  it('should click when one of inline box children is outside of viewport', async () => {
    const { page } = getTestState();

    await page.setContent(`
        <style>
        i {
          position: absolute;
          top: -1000px;
        }
        </style>
        <span onclick='javascript:window.CLICKED = 42;'><i>woof</i><b>doggo</b></span>
      `);
    await page.click('span');
    expect(await page.evaluate(() => window.CLICKED)).toBe(42);
  });
  it('should select the text by triple clicking', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/textarea.html');
    await page.focus('textarea');
    const text =
      "This is the text that we are going to try to select. Let's see how it goes.";
    await page.keyboard.type(text);
    await page.click('textarea');
    await page.click('textarea', { clickCount: 2 });
    await page.click('textarea', { clickCount: 3 });
    expect(
      await page.evaluate(() => {
        const textarea = document.querySelector('textarea');
        return textarea.value.substring(
          textarea.selectionStart,
          textarea.selectionEnd
        );
      })
    ).toBe(text);
  });
  itFailsFirefox('should click offscreen buttons', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/offscreenbuttons.html');
    const messages = [];
    page.on('console', (msg) => messages.push(msg.text()));
    for (let i = 0; i < 11; ++i) {
      // We might've scrolled to click a button - reset to (0, 0).
      await page.evaluate(() => window.scrollTo(0, 0));
      await page.click(`#btn${i}`);
    }
    expect(messages).toEqual([
      'button #0 clicked',
      'button #1 clicked',
      'button #2 clicked',
      'button #3 clicked',
      'button #4 clicked',
      'button #5 clicked',
      'button #6 clicked',
      'button #7 clicked',
      'button #8 clicked',
      'button #9 clicked',
      'button #10 clicked',
    ]);
  });

  it('should click wrapped links', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/wrappedlink.html');
    await page.click('a');
    expect(await page.evaluate(() => window.__clicked)).toBe(true);
  });

  it('should click on checkbox input and toggle', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/checkbox.html');
    expect(await page.evaluate(() => result.check)).toBe(null);
    await page.click('input#agree');
    expect(await page.evaluate(() => result.check)).toBe(true);
    expect(await page.evaluate(() => result.events)).toEqual([
      'mouseover',
      'mouseenter',
      'mousemove',
      'mousedown',
      'mouseup',
      'click',
      'input',
      'change',
    ]);
    await page.click('input#agree');
    expect(await page.evaluate(() => result.check)).toBe(false);
  });

  itFailsFirefox('should click on checkbox label and toggle', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/checkbox.html');
    expect(await page.evaluate(() => result.check)).toBe(null);
    await page.click('label[for="agree"]');
    expect(await page.evaluate(() => result.check)).toBe(true);
    expect(await page.evaluate(() => result.events)).toEqual([
      'click',
      'input',
      'change',
    ]);
    await page.click('label[for="agree"]');
    expect(await page.evaluate(() => result.check)).toBe(false);
  });

  it('should fail to click a missing button', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/button.html');
    let error = null;
    await page
      .click('button.does-not-exist')
      .catch((error_) => (error = error_));
    expect(error.message).toBe(
      'No node found for selector: button.does-not-exist'
    );
  });
  // @see https://github.com/puppeteer/puppeteer/issues/161
  it('should not hang with touch-enabled viewports', async () => {
    const { page, puppeteer } = getTestState();

    await page.setViewport(puppeteer.devices['iPhone 6'].viewport);
    await page.mouse.down();
    await page.mouse.move(100, 10);
    await page.mouse.up();
  });
  it('should scroll and click the button', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/scrollable.html');
    await page.click('#button-5');
    expect(
      await page.evaluate(() => document.querySelector('#button-5').textContent)
    ).toBe('clicked');
    await page.click('#button-80');
    expect(
      await page.evaluate(
        () => document.querySelector('#button-80').textContent
      )
    ).toBe('clicked');
  });
  it('should double click the button', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/button.html');
    await page.evaluate(() => {
      window.double = false;
      const button = document.querySelector('button');
      button.addEventListener('dblclick', (event) => {
        window.double = true;
      });
    });
    const button = await page.$('button');
    await button.click({ clickCount: 2 });
    expect(await page.evaluate('double')).toBe(true);
    expect(await page.evaluate('result')).toBe('Clicked');
  });
  it('should click a partially obscured button', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/button.html');
    await page.evaluate(() => {
      const button = document.querySelector('button');
      button.textContent = 'Some really long text that will go offscreen';
      button.style.position = 'absolute';
      button.style.left = '368px';
    });
    await page.click('button');
    expect(await page.evaluate(() => window.result)).toBe('Clicked');
  });
  it('should click a rotated button', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/rotatedButton.html');
    await page.click('button');
    expect(await page.evaluate(() => result)).toBe('Clicked');
  });
  it('should fire contextmenu event on right click', async () => {
    const { page, server } = getTestState();

    await page.goto(server.PREFIX + '/input/scrollable.html');
    await page.click('#button-8', { button: 'right' });
    expect(
      await page.evaluate(() => document.querySelector('#button-8').textContent)
    ).toBe('context menu');
  });
  // @see https://github.com/puppeteer/puppeteer/issues/206
  it('should click links which cause navigation', async () => {
    const { page, server } = getTestState();

    await page.setContent(`<a href="${server.EMPTY_PAGE}">empty.html</a>`);
    // This await should not hang.
    await page.click('a');
  });
  itFailsFirefox('should click the button inside an iframe', async () => {
    const { page, server } = getTestState();

    await page.goto(server.EMPTY_PAGE);
    await page.setContent('<div style="width:100px;height:100px">spacer</div>');
    await utils.attachFrame(
      page,
      'button-test',
      server.PREFIX + '/input/button.html'
    );
    const frame = page.frames()[1];
    const button = await frame.$('button');
    await button.click();
    expect(await frame.evaluate(() => window.result)).toBe('Clicked');
  });
  // @see https://github.com/puppeteer/puppeteer/issues/4110
  xit('should click the button with fixed position inside an iframe', async () => {
    const { page, server } = getTestState();

    await page.goto(server.EMPTY_PAGE);
    await page.setViewport({ width: 500, height: 500 });
    await page.setContent(
      '<div style="width:100px;height:2000px">spacer</div>'
    );
    await utils.attachFrame(
      page,
      'button-test',
      server.CROSS_PROCESS_PREFIX + '/input/button.html'
    );
    const frame = page.frames()[1];
    await frame.$eval('button', (button) =>
      button.style.setProperty('position', 'fixed')
    );
    await frame.click('button');
    expect(await frame.evaluate(() => window.result)).toBe('Clicked');
  });
  itFailsFirefox(
    'should click the button with deviceScaleFactor set',
    async () => {
      const { page, server } = getTestState();

      await page.setViewport({ width: 400, height: 400, deviceScaleFactor: 5 });
      expect(await page.evaluate(() => window.devicePixelRatio)).toBe(5);
      await page.setContent(
        '<div style="width:100px;height:100px">spacer</div>'
      );
      await utils.attachFrame(
        page,
        'button-test',
        server.PREFIX + '/input/button.html'
      );
      const frame = page.frames()[1];
      const button = await frame.$('button');
      await button.click();
      expect(await frame.evaluate(() => window.result)).toBe('Clicked');
    }
  );
});