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/**
* @license
* Copyright 2018 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import os from 'os';
import expect from 'expect';
import {MouseButton} from 'puppeteer-core/internal/api/Input.js';
import type {Page} from 'puppeteer-core/internal/api/Page.js';
import type {KeyInput} from 'puppeteer-core/internal/common/USKeyboardLayout.js';
import {getTestState, setupTestBrowserHooks} from './mocha-utils.js';
interface ClickData {
type: string;
detail: number;
clientX: number;
clientY: number;
isTrusted: boolean;
button: number;
buttons: number;
}
interface Dimensions {
x: number;
y: number;
width: number;
height: number;
}
function dimensions(): Dimensions {
const rect = document.querySelector('textarea')!.getBoundingClientRect();
return {
x: rect.left,
y: rect.top,
width: rect.width,
height: rect.height,
};
}
describe('Mouse', function () {
setupTestBrowserHooks();
it('should click the document', async () => {
const {page} = await getTestState();
await page.evaluate(() => {
(globalThis as any).clickPromise = new Promise(resolve => {
document.addEventListener('click', event => {
resolve({
type: event.type,
detail: event.detail,
clientX: event.clientX,
clientY: event.clientY,
isTrusted: event.isTrusted,
button: event.button,
});
});
});
});
await page.mouse.click(50, 60);
const event = await page.evaluate(() => {
return (globalThis as any).clickPromise;
});
expect(event.type).toBe('click');
expect(event.detail).toBe(1);
expect(event.clientX).toBe(50);
expect(event.clientY).toBe(60);
expect(event.isTrusted).toBe(true);
expect(event.button).toBe(0);
});
it('should resize the textarea', async () => {
const {page, server} = await getTestState();
await page.goto(server.PREFIX + '/input/textarea.html');
const {x, y, width, height} = await page.evaluate(dimensions);
const mouse = page.mouse;
await mouse.move(x + width - 4, y + height - 4);
await mouse.down();
await mouse.move(x + width + 100, y + height + 100);
await mouse.up();
const newDimensions = await page.evaluate(dimensions);
expect(newDimensions.width).toBe(Math.round(width + 104));
expect(newDimensions.height).toBe(Math.round(height + 104));
});
it('should select the text with mouse', async () => {
const {page, server} = await getTestState();
const text =
"This is the text that we are going to try to select. Let's see how it goes.";
await page.goto(`${server.PREFIX}/input/textarea.html`);
await page.focus('textarea');
await page.keyboard.type(text);
using handle = await page
.locator('textarea')
.filterHandle(async element => {
return await element.evaluate((element, text) => {
return element.value === text;
}, text);
})
.waitHandle();
const {x, y} = await page.evaluate(dimensions);
await page.mouse.move(x + 2, y + 2);
await page.mouse.down();
await page.mouse.move(100, 100);
await page.mouse.up();
expect(
await handle.evaluate(element => {
return element.value.substring(
element.selectionStart,
element.selectionEnd
);
})
).toBe(text);
});
it('should trigger hover state', async () => {
const {page, server} = await getTestState();
await page.goto(server.PREFIX + '/input/scrollable.html');
await page.hover('#button-6');
expect(
await page.evaluate(() => {
return document.querySelector('button:hover')!.id;
})
).toBe('button-6');
await page.hover('#button-2');
expect(
await page.evaluate(() => {
return document.querySelector('button:hover')!.id;
})
).toBe('button-2');
await page.hover('#button-91');
expect(
await page.evaluate(() => {
return document.querySelector('button:hover')!.id;
})
).toBe('button-91');
});
it('should trigger hover state with removed window.Node', async () => {
const {page, server} = await getTestState();
await page.goto(server.PREFIX + '/input/scrollable.html');
await page.evaluate(() => {
// @ts-expect-error Expected.
return delete window.Node;
});
await page.hover('#button-6');
expect(
await page.evaluate(() => {
return document.querySelector('button:hover')!.id;
})
).toBe('button-6');
});
it('should set modifier keys on click', async () => {
const {page, server, isFirefox} = await getTestState();
await page.goto(server.PREFIX + '/input/scrollable.html');
await page.evaluate(() => {
return document.querySelector('#button-3')!.addEventListener(
'mousedown',
e => {
return ((globalThis as any).lastEvent = e);
},
true
);
});
const modifiers = new Map<KeyInput, string>([
['Shift', 'shiftKey'],
['Control', 'ctrlKey'],
['Alt', 'altKey'],
['Meta', 'metaKey'],
]);
// In Firefox, the Meta modifier only exists on Mac
if (isFirefox && os.platform() !== 'darwin') {
modifiers.delete('Meta');
}
for (const [modifier, key] of modifiers) {
await page.keyboard.down(modifier);
await page.click('#button-3');
if (
!(await page.evaluate((mod: string) => {
return (globalThis as any).lastEvent[mod];
}, key))
) {
throw new Error(key + ' should be true');
}
await page.keyboard.up(modifier);
}
await page.click('#button-3');
for (const [modifier, key] of modifiers) {
if (
await page.evaluate((mod: string) => {
return (globalThis as any).lastEvent[mod];
}, key)
) {
throw new Error(modifiers.get(modifier) + ' should be false');
}
}
});
it('should send mouse wheel events', async () => {
const {page, server} = await getTestState();
await page.goto(server.PREFIX + '/input/wheel.html');
using elem = (await page.$('div'))!;
const boundingBoxBefore = (await elem.boundingBox())!;
expect(boundingBoxBefore).toMatchObject({
width: 115,
height: 115,
});
await page.mouse.move(
boundingBoxBefore.x + boundingBoxBefore.width / 2,
boundingBoxBefore.y + boundingBoxBefore.height / 2
);
await page.mouse.wheel({deltaY: -100});
const boundingBoxAfter = await elem.boundingBox();
expect(boundingBoxAfter).toMatchObject({
width: 230,
height: 230,
});
});
it('should tween mouse movement', async () => {
const {page} = await getTestState();
await page.mouse.move(100, 100);
await page.evaluate(() => {
(globalThis as any).result = [];
document.addEventListener('mousemove', event => {
(globalThis as any).result.push([event.clientX, event.clientY]);
});
});
await page.mouse.move(200, 300, {steps: 5});
expect(await page.evaluate('result')).toEqual([
[120, 140],
[140, 180],
[160, 220],
[180, 260],
[200, 300],
]);
});
it('should work with mobile viewports and cross process navigations', async () => {
const {page, server} = await getTestState();
await page.goto(server.EMPTY_PAGE);
await page.setViewport({width: 360, height: 640, isMobile: true});
await page.goto(server.CROSS_PROCESS_PREFIX + '/mobile.html');
await page.evaluate(() => {
document.addEventListener('click', event => {
(globalThis as any).result = {x: event.clientX, y: event.clientY};
});
});
await page.mouse.click(30, 40);
expect(await page.evaluate('result')).toEqual({x: 30, y: 40});
});
it('should not throw if buttons are pressed twice', async () => {
const {page, server} = await getTestState();
await page.goto(server.EMPTY_PAGE);
await page.mouse.down();
await page.mouse.down();
});
interface AddMouseDataListenersOptions {
includeMove?: boolean;
}
const addMouseDataListeners = (
page: Page,
options: AddMouseDataListenersOptions = {}
) => {
return page.evaluate(({includeMove}) => {
const clicks: ClickData[] = [];
const mouseEventListener = (event: MouseEvent) => {
clicks.push({
type: event.type,
detail: event.detail,
clientX: event.clientX,
clientY: event.clientY,
isTrusted: event.isTrusted,
button: event.button,
buttons: event.buttons,
});
};
document.addEventListener('mousedown', mouseEventListener);
if (includeMove) {
document.addEventListener('mousemove', mouseEventListener);
}
document.addEventListener('mouseup', mouseEventListener);
document.addEventListener('click', mouseEventListener);
document.addEventListener('auxclick', mouseEventListener);
(window as unknown as {clicks: ClickData[]}).clicks = clicks;
}, options);
};
it('should not throw if clicking in parallel', async () => {
const {page, server} = await getTestState();
await page.goto(server.EMPTY_PAGE);
await addMouseDataListeners(page);
await Promise.all([page.mouse.click(0, 5), page.mouse.click(6, 10)]);
const data = await page.evaluate(() => {
return (window as unknown as {clicks: ClickData[]}).clicks;
});
const commonAttrs = {
isTrusted: true,
detail: 1,
clientY: 5,
clientX: 0,
button: 0,
};
expect(data.splice(0, 3)).toMatchObject({
0: {
type: 'mousedown',
buttons: 1,
...commonAttrs,
},
1: {
type: 'mouseup',
buttons: 0,
...commonAttrs,
},
2: {
type: 'click',
buttons: 0,
...commonAttrs,
},
});
Object.assign(commonAttrs, {
clientX: 6,
clientY: 10,
});
expect(data).toMatchObject({
0: {
type: 'mousedown',
buttons: 1,
...commonAttrs,
},
1: {
type: 'mouseup',
buttons: 0,
...commonAttrs,
},
2: {
type: 'click',
buttons: 0,
...commonAttrs,
},
});
});
it('should reset properly', async () => {
const {page, server, isChrome} = await getTestState();
await page.goto(server.EMPTY_PAGE);
await page.mouse.move(5, 5);
await Promise.all([
page.mouse.down({button: MouseButton.Left}),
page.mouse.down({button: MouseButton.Middle}),
page.mouse.down({button: MouseButton.Right}),
]);
await addMouseDataListeners(page, {includeMove: true});
await page.mouse.reset();
const data = await page.evaluate(() => {
return (window as unknown as {clicks: ClickData[]}).clicks;
});
const commonAttrs = {
isTrusted: true,
clientY: 5,
clientX: 5,
};
expect(data.slice(0, 2)).toMatchObject([
{
...commonAttrs,
button: 2,
buttons: 5,
detail: 1,
type: 'mouseup',
},
{
...commonAttrs,
button: 2,
buttons: 5,
detail: 1,
type: 'auxclick',
},
]);
// TODO(crbug/1485040): This should align with the firefox implementation.
if (isChrome) {
expect(data.slice(2)).toMatchObject([
{
...commonAttrs,
button: 1,
buttons: 1,
detail: 0,
type: 'mouseup',
},
{
...commonAttrs,
button: 0,
buttons: 0,
detail: 0,
type: 'mouseup',
},
]);
return;
}
expect(data.slice(2)).toMatchObject([
{
...commonAttrs,
button: 1,
buttons: 1,
detail: 1,
type: 'mouseup',
},
{
...commonAttrs,
button: 1,
buttons: 1,
detail: 1,
type: 'auxclick',
},
{
...commonAttrs,
button: 0,
buttons: 0,
detail: 1,
type: 'mouseup',
},
{
...commonAttrs,
button: 0,
buttons: 0,
detail: 1,
type: 'click',
},
]);
});
it('should evaluate before mouse event', async () => {
const {page, server} = await getTestState();
await page.goto(server.EMPTY_PAGE);
await page.goto(server.CROSS_PROCESS_PREFIX + '/input/button.html');
using button = await page.waitForSelector('button');
const point = await button!.clickablePoint();
const result = page.evaluate(() => {
return new Promise(resolve => {
document
.querySelector('button')
?.addEventListener('click', resolve, {once: true});
});
});
await page.mouse.click(point?.x, point?.y);
await result;
});
});