/**
* @license
* Copyright 2018 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import expect from
'expect';
import {Puppeteer} from
'puppeteer';
import type {Point, Quad} from
'puppeteer-core/internal/api/ElementHandle.js';
import {ElementHandle} from
'puppeteer-core/internal/api/ElementHandle.js';
import {
asyncDisposeSymbol,
disposeSymbol,
} from
'puppeteer-core/internal/util/disposable.js';
import sinon from
'sinon';
import {
getTestState,
setupTestBrowserHooks,
shortWaitForArrayToHaveAtLeastNElements,
} from
'./mocha-utils.js';
import {initializeTouchEventReport} from
'./touch-event-utils.js';
import {attachFrame} from
'./utils.js';
describe(
'ElementHandle specs',
function () {
setupTestBrowserHooks();
describe(
'ElementHandle.boundingBox',
function () {
it(
'should work', async () => {
const {page, server} = await getTestState();
await page.setViewport({width:
500, height:
500});
await page.
goto(server.PREFIX +
'/grid.html');
using elementHandle = (await page.$(
'.box:nth-of-type(13)'))!;
const box = await elementHandle.boundingBox();
expect(box).toEqual({x:
100, y:
50, width:
50, height:
50});
});
it(
'should handle nested frames', async () => {
const {page, server} = await getTestState();
await page.setViewport({width:
500, height:
500});
await page.
goto(server.PREFIX +
'/frames/nested-frames.html');
const nestedFrame = page.frames()[
1]!.childFrames()[
1]!;
using elementHandle = (await nestedFrame.$(
'div'))!;
const box = await elementHandle.boundingBox();
expect(box).toEqual({x:
28, y:
182, width:
300, height:
18});
});
it(
'should return null for invisible elements', async () => {
const {page} = await getTestState();
await page.setContent(
'<div style="display:none">hi</div>');
using element = (await page.$(
'div'))!;
expect(await element.boundingBox()).toBe(
null);
});
it(
'should force a layout', async () => {
const {page} = await getTestState();
await page.setViewport({width:
500, height:
500});
await page.setContent(
'<div style="width: 100px; height: 100px">hello</div>',
);
using elementHandle = (await page.$(
'div'))!;
await page.evaluate(element => {
return (element.style.height =
'200px');
}, elementHandle);
const box = await elementHandle.boundingBox();
expect(box).toEqual({x:
8, y:
8, width:
100, height:
200});
});
it(
'should work with SVG nodes', async () => {
const {page} = await getTestState();
await page.setContent(`
<svg xmlns=
"http://www.w3.org/2000/svg" width="500" height="500">
<rect id=
"theRect" x=
"30" y=
"50" width=
"200" height=
"300"></rect>
</svg>
`);
using element = (await page.$(
'#therect',
)) as ElementHandle<SVGRectElement>;
const pptrBoundingBox = await element.boundingBox();
const webBoundingBox = await page.evaluate(e => {
const rect = e.getBoundingClientRect();
return {x: rect.x, y: rect.y, width: rect.width, height: rect.height};
}, element);
expect(pptrBoundingBox).toEqual(webBoundingBox);
});
});
describe(
'ElementHandle.boxModel',
function () {
it(
'should work', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/resetcss.html');
// Step 1: Add Frame and position it absolutely.
await attachFrame(page,
'frame1', server.PREFIX +
'/resetcss.html');
await page.evaluate(() => {
const frame = document.querySelector<HTMLElement>(
'#frame1')!;
frame.style.position =
'absolute';
frame.style.left =
'1px';
frame.style.top =
'2px';
});
// Step 2: Add div and position it absolutely inside frame.
const frame = page.frames()[
1]!;
using divHandle = (
await frame.evaluateHandle(() => {
const div = document.createElement(
'div');
document.body.appendChild(div);
div.style.boxSizing =
'border-box';
div.style.position =
'absolute';
div.style.borderLeft =
'1px solid black';
div.style.paddingLeft =
'2px';
div.style.marginLeft =
'3px';
div.style.left =
'4px';
div.style.top =
'5px';
div.style.width =
'6px';
div.style.height =
'7px';
return div;
})
).asElement()!;
// Step 3: query div's boxModel and assert box values.
const box = (await divHandle.boxModel())!;
expect(box.width).toBe(
6);
expect(box.height).toBe(
7);
expect(box.margin[
0]).toEqual({
x:
1 +
4,
// frame.left + div.left
y:
2 +
5,
});
expect(box.border[
0]).toEqual({
x:
1 +
4 +
3,
// frame.left + div.left + div.margin-left
y:
2 +
5,
});
expect(box.padding[
0]).toEqual({
x:
1 +
4 +
3 +
1,
// frame.left + div.left + div.marginLeft + div.borderLeft
y:
2 +
5,
});
expect(box.content[
0]).toEqual({
x:
1 +
4 +
3 +
1 +
2,
// frame.left + div.left + div.marginLeft + div.borderLeft + div.paddingLeft
y:
2 +
5,
});
});
it(
'should return null for invisible elements', async () => {
const {page} = await getTestState();
await page.setContent(
'<div style="display:none">hi</div>');
using element = (await page.$(
'div'))!;
expect(await element.boxModel()).toBe(
null);
});
it(
'should correctly compute box model with offsets', async () => {
const {page} = await getTestState();
const border =
10;
const padding =
11;
const margin =
12;
const width =
200;
const height =
100;
const verticalOffset =
100;
const horizontalOffset =
100;
await page.setContent(`<div
style=
'position:absolute; left: ${horizontalOffset}px; top: ${verticalOffset}px; width: ${width}px; height: ${height}px; border: ${border}px solid green; padding: ${padding}px; margin: ${margin}px;'
id=
'box'>
</div>`);
using element = (await page.$(
'#box'))!;
const boxModel = await element.boxModel();
function makeQuad(topLeft: Point, bottomRight: Point): Quad {
return [
{
x: topLeft.x,
y: topLeft.y,
},
{
x: bottomRight.x,
y: topLeft.y,
},
{
x: bottomRight.x,
y: bottomRight.y,
},
{
x: topLeft.x,
y: bottomRight.y,
},
];
}
expect(boxModel).toEqual({
content: makeQuad(
{
x: horizontalOffset + padding + margin + border,
y: verticalOffset + padding + margin + border,
},
{
x: horizontalOffset + width + padding + margin + border,
y: verticalOffset + height + padding + margin + border,
},
),
padding: makeQuad(
{
x: horizontalOffset + margin + border,
y: verticalOffset + margin + border,
},
{
x: horizontalOffset + width + padding *
2 + margin + border,
y: verticalOffset + padding *
2 + height + margin + border,
},
),
border: makeQuad(
{
x: horizontalOffset + margin,
y: verticalOffset + margin,
},
{
x: horizontalOffset + width + padding *
2 + margin + border *
2,
y: verticalOffset + padding *
2 + height + margin + border *
2,
},
),
margin: makeQuad(
{
x: horizontalOffset,
y: verticalOffset,
},
{
x: horizontalOffset + width + padding *
2 + margin *
2 + border *
2,
y: verticalOffset + padding *
2 + height + margin *
2 + border *
2,
},
),
width: width + padding *
2 + border *
2,
height: height + padding *
2 + border *
2,
});
});
});
describe(
'ElementHandle.contentFrame',
function () {
it(
'should work', async () => {
const {page, server} = await getTestState();
await page.
goto(server.EMPTY_PAGE);
await attachFrame(page,
'frame1', server.EMPTY_PAGE);
using elementHandle = (await page.$(
'#frame1'))!;
const frame = await elementHandle.contentFrame();
expect(frame).toBe(page.frames()[
1]);
});
});
describe(
'ElementHandle.isVisible and ElementHandle.isHidden',
function () {
it(
'should work', async () => {
const {page} = await getTestState();
await page.setContent(
'<div style="display: none">text</div>');
using element = (await page.waitForSelector(
'div'))!;
await expect(element.isVisible()).resolves.toBeFalsy();
await expect(element.isHidden()).resolves.toBeTruthy();
await element.evaluate(e => {
e.style.removeProperty(
'display');
});
await expect(element.isVisible()).resolves.toBeTruthy();
await expect(element.isHidden()).resolves.toBeFalsy();
});
});
describe(
'ElementHandle.click',
function () {
it(
'should work', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/input/button.html');
using button = (await page.$(
'button'))!;
await button.click();
expect(
await page.evaluate(() => {
return (globalThis as any).result;
}),
).toBe(
'Clicked');
});
it(
'should return Point data', async () => {
const {page} = await getTestState();
const clicks: Array<[x: number, y: number]> = [];
await page.exposeFunction(
'reportClick', (x: number, y: number):
void => {
clicks.push([x, y]);
});
await page.evaluate(() => {
document.body.style.padding =
'0';
document.body.style.margin =
'0';
document.body.innerHTML = `
<div style=
"cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;"></div>
`;
document.body.addEventListener(
'click', e => {
(window as any).reportClick(e.clientX, e.clientY);
});
});
using divHandle = (await page.$(
'div'))!;
await divHandle.click();
await divHandle.click({
offset: {
x:
10,
y:
15,
},
});
await shortWaitForArrayToHaveAtLeastNElements(clicks,
2);
expect(clicks).toEqual([
[
45 +
60,
45 +
30],
// margin + middle point offset
[
30 +
10,
30 +
15],
// margin + offset
]);
});
it(
'should work for Shadow DOM v1', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/shadow.html');
using buttonHandle = await page.evaluateHandle(() => {
// @ts-expect-error button is expected to be in the page's scope.
return button as HTMLButtonElement;
});
await buttonHandle.click();
expect(
await page.evaluate(() => {
// @ts-expect-error clicked is expected to be in the page's scope.
return clicked;
}),
).toBe(
true);
});
it(
'should not work for TextNodes', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/input/button.html');
using buttonTextNode = await page.evaluateHandle(() => {
return document.querySelector(
'button')!.firstChild as HTMLElement;
});
let error!: Error;
await buttonTextNode.click().
catch(error_ => {
return (error = error_);
});
expect(error.message).atLeastOneToContain([
'Node is not of type HTMLElement',
'no such node',
]);
});
it(
'should throw for detached nodes', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/input/button.html');
using button = (await page.$(
'button'))!;
await page.evaluate(button => {
return button.remove();
}, button);
let error!: Error;
await button.click().
catch(error_ => {
return (error = error_);
});
expect(error.message).atLeastOneToContain([
'Node is detached from document',
'no such node',
]);
});
it(
'should throw for hidden nodes', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/input/button.html');
using button = (await page.$(
'button'))!;
await page.evaluate(button => {
return (button.style.display =
'none');
}, button);
const error = await button.click().
catch(error_ => {
return error_;
});
expect(error.message).atLeastOneToContain([
'Node is either not clickable or not an Element',
'no such element',
]);
});
it(
'should throw for recursively hidden nodes', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/input/button.html');
using button = (await page.$(
'button'))!;
await page.evaluate(button => {
return (button.parentElement!.style.display =
'none');
}, button);
const error = await button.click().
catch(error_ => {
return error_;
});
expect(error.message).atLeastOneToContain([
'Node is either not clickable or not an Element',
'no such element',
]);
});
it(
'should throw for <br> elements', async () => {
const {page} = await getTestState();
await page.setContent(
'hello<br>goodbye');
using br = (await page.$(
'br'))!;
const error = await br.click().
catch(error_ => {
return error_;
});
expect(error.message).atLeastOneToContain([
'Node is either not clickable or not an Element',
'no such node',
]);
});
});
describe(
'ElementHandle.touchStart', () => {
it(
'should work', async () => {
const {page} = await getTestState();
const {events} = await initializeTouchEventReport(page);
await page.evaluate(() => {
document.body.style.padding =
'0';
document.body.style.margin =
'0';
document.body.innerHTML = `
<div style=
"cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;"></div>
`;
});
using divHandle = (await page.$(
'div'))!;
await divHandle.touchStart();
await shortWaitForArrayToHaveAtLeastNElements(events,
1);
const expectedTouchLocation = [
45 +
60,
45 +
30];
// margin + middle point offset
expect(events).toEqual([
{
changed: [expectedTouchLocation],
touches: [expectedTouchLocation],
},
]);
});
it(
'should work with the returned Touch', async () => {
const {page} = await getTestState();
const {events} = await initializeTouchEventReport(page);
await page.evaluate(() => {
document.body.style.padding =
'0';
document.body.style.margin =
'0';
document.body.innerHTML = `
<div style=
"cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;"></div>
`;
});
using divHandle = (await page.$(
'div'))!;
const touch = await divHandle.touchStart();
await touch.move(
150,
150);
await shortWaitForArrayToHaveAtLeastNElements(events,
2);
const expectedTouchLocation = [
45 +
60,
45 +
30];
// margin + middle point offset
expect(events).toEqual([
{
changed: [expectedTouchLocation],
touches: [expectedTouchLocation],
},
{
changed: [[
150,
150]],
touches: [[
150,
150]],
},
]);
});
});
describe(
'ElementHandle.touchMove', () => {
it(
'should work', async () => {
const {page} = await getTestState();
const {events} = await initializeTouchEventReport(page);
await page.evaluate(() => {
document.body.style.padding =
'0';
document.body.style.margin =
'0';
document.body.innerHTML = `
<div style=
"cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;"></div>
`;
});
using divHandle = (await page.$(
'div'))!;
await page.touchscreen.touchStart(
200,
200);
await divHandle.touchMove();
await shortWaitForArrayToHaveAtLeastNElements(events,
2);
const expectedDivTouchLocation = [
45 +
60,
45 +
30];
// margin + middle point offset
expect(events).toEqual([
{
changed: [[
200,
200]],
touches: [[
200,
200]],
},
{
changed: [expectedDivTouchLocation],
touches: [expectedDivTouchLocation],
},
]);
});
it(
'should work with a pre-existing Touch', async () => {
const {page} = await getTestState();
const {events} = await initializeTouchEventReport(page);
await page.evaluate(() => {
document.body.style.padding =
'0';
document.body.style.margin =
'0';
document.body.innerHTML = `
<div style=
"cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;"></div>
`;
});
using divHandle = (await page.$(
'div'))!;
await page.touchscreen.touchStart(
200,
200);
const secondTouch = await page.touchscreen.touchStart(
200,
100);
await divHandle.touchMove(secondTouch);
await shortWaitForArrayToHaveAtLeastNElements(events,
3);
const expectedDivTouchLocation = [
45 +
60,
45 +
30];
// margin + middle point offset
expect(events).toEqual([
{
changed: [[
200,
200]],
touches: [[
200,
200]],
},
{
changed: [[
200,
100]],
touches: [
[
200,
200],
[
200,
100],
],
},
{
changed: [expectedDivTouchLocation],
touches: [[
200,
200], expectedDivTouchLocation],
},
]);
});
});
describe(
'ElementHandle.touchEnd', () => {
it(
'should work', async () => {
const {page} = await getTestState();
const {events} = await initializeTouchEventReport(page);
await page.evaluate(() => {
document.body.style.padding =
'0';
document.body.style.margin =
'0';
document.body.innerHTML = `
<div style=
"cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;"></div>
`;
});
using divHandle = (await page.$(
'div'))!;
await page.touchscreen.touchStart(
100,
100);
await divHandle.touchEnd();
await shortWaitForArrayToHaveAtLeastNElements(events,
2);
expect(events).toEqual([
{
changed: [[
100,
100]],
touches: [[
100,
100]],
},
{
changed: [[
100,
100]],
touches: [],
},
]);
});
});
describe(
'ElementHandle.clickablePoint',
function () {
it(
'should work', async () => {
const {page} = await getTestState();
await page.evaluate(() => {
document.body.style.padding =
'0';
document.body.style.margin =
'0';
document.body.innerHTML = `
<div style=
"cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;"></div>
`;
});
await page.evaluate(async () => {
return await
new Promise(resolve => {
return window.requestAnimationFrame(resolve);
});
});
using divHandle = (await page.$(
'div'))!;
expect(await divHandle.clickablePoint()).toEqual({
x:
45 +
60,
// margin + middle point offset
y:
45 +
30,
// margin + middle point offset
});
expect(
await divHandle.clickablePoint({
x:
10,
y:
15,
}),
).toEqual({
x:
30 +
10,
// margin + offset
y:
30 +
15,
// margin + offset
});
});
it(
'should not work if the click box is not visible', async () => {
const {page} = await getTestState();
await page.setContent(
'<button style="width: 10px; height: 10px; position: absolute; left: -20px"></button>',
);
using handle = await page.locator(
'button').waitHandle();
await expect(handle.clickablePoint()).rejects.toBeInstanceOf(Error);
await page.setContent(
'<button style="width: 10px; height: 10px; position: absolute; right: -20px"></button>',
);
using handle2 = await page.locator(
'button').waitHandle();
await expect(handle2.clickablePoint()).rejects.toBeInstanceOf(Error);
await page.setContent(
'<button style="width: 10px; height: 10px; position: absolute; top: -20px"></button>',
);
using handle3 = await page.locator(
'button').waitHandle();
await expect(handle3.clickablePoint()).rejects.toBeInstanceOf(Error);
await page.setContent(
'<button style="width: 10px; height: 10px; position: absolute; bottom: -20px"></button>',
);
using handle4 = await page.locator(
'button').waitHandle();
await expect(handle4.clickablePoint()).rejects.toBeInstanceOf(Error);
});
it(
'should not work if the click box is not visible due to the iframe', async () => {
const {page} = await getTestState();
await page.setContent(
`<iframe name=
'frame' style=
'position: absolute; left: -100px' srcdoc=
"<button style='width: 10px; height: 10px;'></button>"></iframe>`,
);
const frame = await page.waitForFrame(async frame => {
using element = await frame.frameElement();
if (!element) {
return false;
}
const name = await element.evaluate(frame => {
return frame.name;
});
return name ===
'frame';
});
using handle = await frame.locator(
'button').waitHandle();
await expect(handle.clickablePoint()).rejects.toBeInstanceOf(Error);
await page.setContent(
`<iframe name=
'frame2' style=
'position: absolute; top: -100px' srcdoc=
"<button style='width: 10px; height: 10px;'></button>"></iframe>`,
);
const frame2 = await page.waitForFrame(async frame => {
using element = await frame.frameElement();
if (!element) {
return false;
}
const name = await element.evaluate(frame => {
return frame.name;
});
return name ===
'frame2';
});
using handle2 = await frame2.locator(
'button').waitHandle();
await expect(handle2.clickablePoint()).rejects.toBeInstanceOf(Error);
});
it(
'should work for iframes', async () => {
const {page} = await getTestState();
await page.evaluate(() => {
document.body.style.padding =
'10px';
document.body.style.margin =
'10px';
document.body.innerHTML = `
<iframe style=
"border: none; margin: 0; padding: 0;" seamless sandbox srcdoc=
"<style>* { margin: 0; padding: 0;}</style><div style='cursor: pointer; width: 120px; height: 60px; margin: 30px; padding: 15px;' />"></iframe>
`;
});
await page.evaluate(async () => {
return await
new Promise(resolve => {
return window.requestAnimationFrame(resolve);
});
});
const frame = page.frames()[
1]!;
using divHandle = (await frame.$(
'div'))!;
expect(await divHandle.clickablePoint()).toEqual({
x:
20 +
45 +
60,
// iframe pos + margin + middle point offset
y:
20 +
45 +
30,
// iframe pos + margin + middle point offset
});
expect(
await divHandle.clickablePoint({
x:
10,
y:
15,
}),
).toEqual({
x:
20 +
30 +
10,
// iframe pos + margin + offset
y:
20 +
30 +
15,
// iframe pos + margin + offset
});
});
});
describe(
'Element.waitForSelector', () => {
it(
'should wait correctly with waitForSelector on an element', async () => {
const {page} = await getTestState();
const waitFor = page.waitForSelector(
'.foo').
catch(err => {
return err;
}) as Promise<ElementHandle<HTMLDivElement>>;
// Set the page content after the waitFor has been started.
await page.setContent(
'<div id="not-foo"></div><div class="bar">bar2</div><div class="foo">Foo1</div>',
);
using element = (await waitFor)!;
if (element
instanceof Error) {
throw element;
}
expect(element).toBeDefined();
const innerWaitFor = element.waitForSelector(
'.bar').
catch(err => {
return err;
}) as Promise<ElementHandle<HTMLDivElement>>;
await element.evaluate(el => {
el.innerHTML =
'<div class="bar">bar1</div>';
});
using element2 = (await innerWaitFor)!;
if (element2
instanceof Error) {
throw element2;
}
expect(element2).toBeDefined();
expect(
await element2.evaluate(el => {
return el.innerText;
}),
).toStrictEqual(
'bar1');
});
it(
'should wait correctly with waitForSelector and xpath on an element', async () => {
const {page} = await getTestState();
// Set the page content after the waitFor has been started.
await page.setContent(
`<div id=el1>
el1
<div id=el2>
el2
</div>
</div>
<div id=el3>
el3
</div>`,
);
using elById = (await page.waitForSelector(
'#el1',
)) as ElementHandle<HTMLDivElement>;
using elByXpath = (await elById.waitForSelector(
'xpath/.//div',
)) as ElementHandle<HTMLDivElement>;
expect(
await elByXpath.evaluate(el => {
return el.id;
}),
).toStrictEqual(
'el2');
});
});
describe(
'ElementHandle.hover',
function () {
it(
'should work', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/input/scrollable.html');
using button = (await page.$(
'#button-6'))!;
await button.hover();
expect(
await page.evaluate(() => {
return document.querySelector(
'button:hover')!.id;
}),
).toBe(
'button-6');
});
});
describe(
'ElementHandle.isIntersectingViewport',
function () {
it(
'should work', async () => {
const {page, server} = await getTestState();
async
function getVisibilityForButton(selector: string) {
using button = (await page.$(selector))!;
return await button.isIntersectingViewport();
}
await page.
goto(server.PREFIX +
'/offscreenbuttons.html');
const buttonsPromises = [];
// Firefox seems slow when using `isIntersectingViewport`
// so we do all the tasks asynchronously
for (let i =
0; i <
11; ++i) {
buttonsPromises.push(getVisibilityForButton(
'#btn' + i));
}
const buttonVisibility = await Promise.all(buttonsPromises);
for (let i =
0; i <
11; ++i) {
// All but last button are visible.
const visible = i <
10;
expect(buttonVisibility[i]).toBe(visible);
}
});
it(
'should work with threshold', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/offscreenbuttons.html');
// a button almost cannot be seen
// sometimes we expect to return false by isIntersectingViewport1
using button = (await page.$(
'#btn11'))!;
expect(
await button.isIntersectingViewport({
threshold:
0.
001,
}),
).toBe(
false);
});
it(
'should work with threshold of 1', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/offscreenbuttons.html');
// a button almost cannot be seen
// sometimes we expect to return false by isIntersectingViewport1
using button = (await page.$(
'#btn0'))!;
expect(
await button.isIntersectingViewport({
threshold:
1,
}),
).toBe(
true);
});
it(
'should work with svg elements', async () => {
const {page, server} = await getTestState();
await page.
goto(server.PREFIX +
'/inline-svg.html');
const [visibleCircle, visibleSvg] = await Promise.all([
page.$(
'circle'),
page.$(
'svg'),
]);
// Firefox seems slow when using `isIntersectingViewport`
// so we do all the tasks asynchronously
const [
circleThresholdOne,
circleThresholdZero,
svgThresholdOne,
svgThresholdZero,
] = await Promise.all([
visibleCircle!.isIntersectingViewport({
threshold:
1,
}),
visibleCircle!.isIntersectingViewport({
threshold:
0,
}),
visibleSvg!.isIntersectingViewport({
threshold:
1,
}),
visibleSvg!.isIntersectingViewport({
threshold:
0,
}),
]);
expect(circleThresholdOne).toBe(
true);
expect(circleThresholdZero).toBe(
true);
expect(svgThresholdOne).toBe(
true);
expect(svgThresholdZero).toBe(
true);
const [invisibleCircle, invisibleSvg] = await Promise.all([
page.$(
'div circle'),
page.$(
'div svg'),
]);
// Firefox seems slow when using `isIntersectingViewport`
// so we do all the tasks asynchronously
const [
invisibleCircleThresholdOne,
invisibleCircleThresholdZero,
invisibleSvgThresholdOne,
invisibleSvgThresholdZero,
] = await Promise.all([
invisibleCircle!.isIntersectingViewport({
threshold:
1,
}),
invisibleCircle!.isIntersectingViewport({
threshold:
0,
}),
invisibleSvg!.isIntersectingViewport({
threshold:
1,
}),
invisibleSvg!.isIntersectingViewport({
threshold:
0,
}),
]);
expect(invisibleCircleThresholdOne).toBe(
false);
expect(invisibleCircleThresholdZero).toBe(
false);
expect(invisibleSvgThresholdOne).toBe(
false);
expect(invisibleSvgThresholdZero).toBe(
false);
});
});
describe(
'Custom queries',
function () {
afterEach(() => {
Puppeteer.clearCustomQueryHandlers();
});
it(
'should register and unregister', async () => {
const {page} = await getTestState();
await page.setContent(
'<div id="not-foo"></div><div id="foo"></div>');
// Register.
Puppeteer.registerCustomQueryHandler(
'getById', {
queryOne: (_element, selector) => {
return document.querySelector(`[id=
"${selector}"]`);
},
});
using element = (await page.$(
'getById/foo',
)) as ElementHandle<HTMLDivElement>;
expect(
await page.evaluate(element => {
return element.id;
}, element),
).toBe(
'foo');
const handlerNamesAfterRegistering = Puppeteer.customQueryHandlerNames();
expect(handlerNamesAfterRegistering.includes(
'getById')).toBeTruthy();
// Unregister.
Puppeteer.unregisterCustomQueryHandler(
'getById');
try {
await page.$(
'getById/foo');
throw new Error(
'Custom query handler name not set - throw expected');
}
catch (error) {
expect(error).not.toStrictEqual(
new Error(
'Custom query handler name not set - throw expected'),
);
}
const handlerNamesAfterUnregistering =
Puppeteer.customQueryHandlerNames();
expect(handlerNamesAfterUnregistering.includes(
'getById')).toBeFalsy();
});
it(
'should throw with invalid query names', async () => {
try {
Puppeteer.registerCustomQueryHandler(
'1/2/3', {
queryOne: () => {
return document.querySelector(
'foo');
},
});
throw new Error(
'Custom query handler name was invalid - throw expected',
);
}
catch (error) {
expect(error).toStrictEqual(
new Error(
'Custom query handler names may only contain [a-zA-Z]'),
);
}
});
it(
'should work for multiple elements', async () => {
const {page} = await getTestState();
await page.setContent(
'<div id="not-foo"></div><div class="foo">Foo1</div><div class="foo baz">Foo2</div>',
);
Puppeteer.registerCustomQueryHandler(
'getByClass', {
queryAll: (_element, selector) => {
return [...document.querySelectorAll(`.${selector}`)];
},
});
const elements = (await page.$$(
'getByClass/foo')) as Array<
ElementHandle<HTMLDivElement>
>;
const classNames = await Promise.all(
elements.map(async element => {
return await page.evaluate(element => {
return element.className;
}, element);
}),
);
expect(classNames).toStrictEqual([
'foo',
'foo baz']);
});
it(
'should eval correctly', async () => {
const {page} = await getTestState();
await page.setContent(
'<div id="not-foo"></div><div class="foo">Foo1</div><div class="foo baz">Foo2</div>',
);
Puppeteer.registerCustomQueryHandler(
'getByClass', {
queryAll: (_element, selector) => {
return [...document.querySelectorAll(`.${selector}`)];
},
});
const elements = await page.$$eval(
'getByClass/foo', divs => {
return divs.length;
});
expect(elements).toBe(
2);
});
it(
'should wait correctly with waitForSelector', async () => {
const {page} = await getTestState();
Puppeteer.registerCustomQueryHandler(
'getByClass', {
queryOne: (element, selector) => {
return (element as Element).querySelector(`.${selector}`);
},
});
const waitFor = page.waitForSelector(
'getByClass/foo').
catch(err => {
return err;
});
// Set the page content after the waitFor has been started.
await page.setContent(
'<div id="not-foo"></div><div class="foo">Foo1</div>',
);
const element = await waitFor;
if (element
instanceof Error) {
throw element;
}
expect(element).toBeDefined();
});
it(
'should wait correctly with waitForSelector on an element', async () => {
const {page} = await getTestState();
Puppeteer.registerCustomQueryHandler(
'getByClass', {
queryOne: (element, selector) => {
return (element as Element).querySelector(`.${selector}`);
},
});
const waitFor = page.waitForSelector(
'getByClass/foo').
catch(err => {
return err;
}) as Promise<ElementHandle<HTMLElement>>;
// Set the page content after the waitFor has been started.
await page.setContent(
'<div id="not-foo"></div><div class="bar">bar2</div><div class="foo">Foo1</div>',
);
using element = (await waitFor)!;
if (element
instanceof Error) {
throw element;
}
expect(element).toBeDefined();
const innerWaitFor = element
.waitForSelector(
'getByClass/bar')
.
catch(err => {
return err;
}) as Promise<ElementHandle<HTMLElement>>;
await element.evaluate(el => {
el.innerHTML =
'<div class="bar">bar1</div>';
});
using element2 = (await innerWaitFor)!;
if (element2
instanceof Error) {
throw element2;
}
expect(element2).toBeDefined();
expect(
await element2.evaluate(el => {
return el.innerText;
}),
).toStrictEqual(
'bar1');
});
it(
'should wait correctly with waitForSelector', async () => {
const {page} = await getTestState();
Puppeteer.registerCustomQueryHandler(
'getByClass', {
queryOne: (element, selector) => {
return (element as Element).querySelector(`.${selector}`);
},
});
const waitFor = page.waitForSelector(
'getByClass/foo').
catch(err => {
return err;
});
// Set the page content after the waitFor has been started.
await page.setContent(
'<div id="not-foo"></div><div class="foo">Foo1</div>',
);
const element = await waitFor;
if (element
instanceof Error) {
throw element;
}
expect(element).toBeDefined();
});
it(
'should work when both queryOne and queryAll are registered', async () => {
const {page} = await getTestState();
await page.setContent(
'<div id="not-foo"></div><div class="foo"><div id="nested-foo" class="foo"/></div><div class="foo baz">Foo2</div>',
);
Puppeteer.registerCustomQueryHandler(
'getByClass', {
queryOne: (element, selector) => {
return (element as Element).querySelector(`.${selector}`);
},
queryAll: (element, selector) => {
return [...(element as Element).querySelectorAll(`.${selector}`)];
},
});
using element = (await page.$(
'getByClass/foo'))!;
expect(element).toBeDefined();
const elements = await page.$$(
'getByClass/foo');
expect(elements).toHaveLength(
3);
});
it(
'should eval when both queryOne and queryAll are registered', async () => {
const {page} = await getTestState();
await page.setContent(
'<div id="not-foo"></div><div class="foo">text</div><div class="foo baz">content</div>',
);
Puppeteer.registerCustomQueryHandler(
'getByClass', {
queryOne: (element, selector) => {
return (element as Element).querySelector(`.${selector}`);
},
queryAll: (element, selector) => {
return [...(element as Element).querySelectorAll(`.${selector}`)];
},
});
const txtContent = await page.$eval(
'getByClass/foo', div => {
return div.textContent;
});
expect(txtContent).toBe(
'text');
const txtContents = await page.$$eval(
'getByClass/foo', divs => {
return divs
.map(d => {
return d.textContent;
})
.join(
'');
});
expect(txtContents).toBe(
'textcontent');
});
it(
'should work with function shorthands', async () => {
const {page} = await getTestState();
await page.setContent(
'<div id="not-foo"></div><div id="foo"></div>');
Puppeteer.registerCustomQueryHandler(
'getById', {
// This is a function shorthand
queryOne(_element, selector) {
return document.querySelector(`[id=
"${selector}"]`);
},
});
using element = (await page.$(
'getById/foo',
)) as ElementHandle<HTMLDivElement>;
expect(
await page.evaluate(element => {
return element.id;
}, element),
).toBe(
'foo');
});
});
describe(
'ElementHandle.toElement', () => {
it(
'should work', async () => {
const {page} = await getTestState();
await page.setContent(
'<div class="foo">Foo1</div>');
using element = await page.$(
'.foo');
using div = await element?.toElement(
'div');
expect(div).toBeDefined();
});
});
describe(
'ElementHandle[Symbol.dispose]', () => {
it(
'should work', async () => {
const {page} = await getTestState();
using handle = await page.evaluateHandle(
'document');
const spy = sinon.spy(handle, disposeSymbol);
{
using _ = handle;
}
expect(handle).toBeInstanceOf(ElementHandle);
expect(spy.calledOnce).toBeTruthy();
expect(handle.disposed).toBeTruthy();
});
});
describe(
'ElementHandle[Symbol.asyncDispose]', () => {
it(
'should work', async () => {
const {page} = await getTestState();
using handle = await page.evaluateHandle(
'document');
const spy = sinon.spy(handle, asyncDisposeSymbol);
{
await using _ = handle;
}
expect(handle).toBeInstanceOf(ElementHandle);
expect(spy.calledOnce).toBeTruthy();
expect(handle.disposed).toBeTruthy();
});
});
describe(
'ElementHandle.move', () => {
it(
'should work', async () => {
const {page} = await getTestState();
using handle = await page.evaluateHandle(
'document');
const spy = sinon.spy(handle, disposeSymbol);
{
using _ = handle;
handle.move();
}
expect(handle).toBeInstanceOf(ElementHandle);
expect(spy.calledOnce).toBeTruthy();
expect(handle.disposed).toBeFalsy();
});
});
});