/
Tap-test.internal.js
845 lines (767 loc) · 26.2 KB
/
Tap-test.internal.js
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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @emails react-core
*/
'use strict';
import {
buttonsType,
createEventTarget,
describeWithPointerEvent,
setPointerEvent,
testWithPointerType,
} from '../testing-library';
let React;
let ReactFeatureFlags;
let ReactDOM;
let useTap;
function initializeModules(hasPointerEvents) {
jest.resetModules();
setPointerEvent(hasPointerEvents);
ReactFeatureFlags = require('shared/ReactFeatureFlags');
ReactFeatureFlags.enableFlareAPI = true;
React = require('react');
ReactDOM = require('react-dom');
useTap = require('react-interactions/events/tap').useTap;
}
const coordinatesInside = {x: 51, y: 51};
const coordinatesOutside = {x: 49, y: 49};
function tapAndMoveOutside({
hasPointerEvents,
pointerType,
downTarget,
upTarget,
}) {
downTarget.setBoundingClientRect({width: 100, height: 100, x: 50, y: 50});
downTarget.pointerdown({pointerType, ...coordinatesInside});
downTarget.pointermove({pointerType, ...coordinatesInside});
// NOTE: this assumes the PointerEvent implementation calls
// 'releasePointerCapture' for touch pointers
if (!hasPointerEvents && pointerType === 'touch') {
document.elementFromPoint = () => upTarget.node;
downTarget.pointermove({pointerType, ...coordinatesOutside});
} else {
upTarget.pointermove({pointerType, ...coordinatesOutside});
}
}
function tapAndReleaseOutside({
hasPointerEvents,
pointerType,
downTarget,
upTarget,
}) {
tapAndMoveOutside({hasPointerEvents, pointerType, downTarget, upTarget});
if (!hasPointerEvents && pointerType === 'touch') {
downTarget.pointerup({pointerType, ...coordinatesOutside});
} else {
upTarget.pointerup({pointerType, ...coordinatesOutside});
}
}
describeWithPointerEvent('Tap responder', hasPointerEvents => {
let container;
beforeEach(() => {
initializeModules(hasPointerEvents);
container = document.createElement('div');
document.body.appendChild(container);
});
afterEach(() => {
ReactDOM.render(null, container);
document.body.removeChild(container);
container = null;
});
test('supports repeated use', () => {
const ref = React.createRef();
const Component = () => {
const listener = useTap();
return <button ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
const target = createEventTarget(ref.current);
function interact() {
target.pointerdown();
target.pointermove();
target.pointerup();
}
expect(() => {
interact();
interact();
}).not.toThrow();
});
describe('disabled', () => {
let onTapStart, onTapChange, onTapUpdate, onTapCancel, onTapEnd, ref;
beforeEach(() => {
onTapStart = jest.fn();
onTapChange = jest.fn();
onTapUpdate = jest.fn();
onTapCancel = jest.fn();
onTapEnd = jest.fn();
ref = React.createRef();
const Component = () => {
const listener = useTap({
disabled: true,
onTapStart,
onTapChange,
onTapUpdate,
onTapCancel,
onTapEnd,
});
return <div ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
});
test('does not call callbacks', () => {
const target = createEventTarget(ref.current);
target.pointerdown();
target.pointerup();
expect(onTapStart).not.toBeCalled();
expect(onTapChange).not.toBeCalled();
expect(onTapUpdate).not.toBeCalled();
expect(onTapCancel).not.toBeCalled();
expect(onTapEnd).not.toBeCalled();
});
});
describe('maximumDistance', () => {
let onTapCancel, onTapUpdate, ref;
function render(props) {
const Component = () => {
const listener = useTap(props);
return <div ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
document.elementFromPoint = () => ref.current;
}
beforeEach(() => {
onTapCancel = jest.fn();
onTapUpdate = jest.fn();
ref = React.createRef();
render({
maximumDistance: 20,
onTapCancel,
onTapUpdate,
});
});
test('ignores values less than 10', () => {
render({
maximumDistance: 5,
onTapCancel,
onTapUpdate,
});
const target = createEventTarget(ref.current);
const pointerType = 'mouse';
target.pointerdown({pointerType, x: 0, y: 0});
target.pointermove({pointerType, x: 10, y: 10});
expect(onTapUpdate).toHaveBeenCalledTimes(1);
expect(onTapCancel).toHaveBeenCalledTimes(0);
});
testWithPointerType('below threshold', pointerType => {
const target = createEventTarget(ref.current);
target.pointerdown({pointerType, x: 0, y: 0});
target.pointermove({pointerType, x: 10, y: 10});
expect(onTapUpdate).toHaveBeenCalledTimes(1);
expect(onTapCancel).toHaveBeenCalledTimes(0);
});
testWithPointerType('above threshold', pointerType => {
const target = createEventTarget(ref.current);
target.pointerdown({pointerType, x: 0, y: 0});
target.pointermove({pointerType, x: 15, y: 14});
expect(onTapUpdate).toHaveBeenCalledTimes(0);
expect(onTapCancel).toHaveBeenCalledTimes(1);
});
});
describe('onAuxiliaryTap', () => {
let onAuxiliaryTap, ref;
beforeEach(() => {
onAuxiliaryTap = jest.fn();
ref = React.createRef();
const Component = () => {
const listener = useTap({onAuxiliaryTap});
return <div ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
document.elementFromPoint = () => ref.current;
});
test('auxiliary-button pointer up', () => {
const pointerType = 'mouse';
const buttons = buttonsType.auxiliary;
const target = createEventTarget(ref.current);
target.pointerdown({buttons, pointerType});
target.pointerup({buttons, pointerType});
expect(onAuxiliaryTap).toHaveBeenCalledTimes(1);
});
test('modifier-button pointer up', () => {
const pointerType = 'mouse';
const buttons = buttonsType.primary;
const target = createEventTarget(ref.current);
target.pointerdown({buttons, pointerType});
target.pointerup({buttons, metaKey: true, pointerType});
expect(onAuxiliaryTap).toHaveBeenCalledTimes(1);
});
});
describe('onTapStart', () => {
let onTapStart, ref;
beforeEach(() => {
onTapStart = jest.fn();
ref = React.createRef();
const Component = () => {
const listener = useTap({onTapStart});
return <div ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
document.elementFromPoint = () => ref.current;
});
testWithPointerType('pointer down', pointerType => {
const target = createEventTarget(ref.current);
const nativeEvent = {
buttons: buttonsType.primary,
pageX: 10,
pageY: 10,
pointerType,
x: 10,
y: 10,
};
target.pointerdown(nativeEvent);
// 'pointerup' is only for the MouseEvent/TouchEvent fallback
// implementation. We also dispatch 'pointerup' so that this test covers
// the case where browsers dispatch an emulated mousedown (and mouseup)
// event *after* a touch ends.
target.pointerup(nativeEvent);
expect(onTapStart).toHaveBeenCalledTimes(1);
expect(onTapStart).toHaveBeenCalledWith(
expect.objectContaining({
altKey: false,
ctrlKey: false,
height: pointerType === 'mouse' ? 1 : 23,
metaKey: false,
pageX: 10,
pageY: 10,
pointerType,
pressure: pointerType === 'touch' ? 1 : 0.5,
screenX: 10,
screenY: 60,
shiftKey: false,
tangentialPressure: 0,
target: target.node,
tiltX: 0,
tiltY: 0,
timeStamp: expect.any(Number),
twist: 0,
type: 'tap:start',
width: pointerType === 'mouse' ? 1 : 23,
x: 10,
y: 10,
}),
);
});
test('second pointer on target', () => {
const pointerType = 'touch';
const target = createEventTarget(ref.current);
const buttons = buttonsType.primary;
target.pointerdown({buttons, pointerId: 1, pointerType});
expect(onTapStart).toHaveBeenCalledTimes(1);
if (hasPointerEvents) {
target.pointerdown({buttons, pointerId: 2, pointerType});
} else {
// TouchEvents
target.pointerdown([{pointerId: 1}, {pointerId: 2}]);
}
expect(onTapStart).toHaveBeenCalledTimes(1);
});
testWithPointerType('ignored buttons and modifiers', pointerType => {
const target = createEventTarget(ref.current);
const {auxiliary, eraser, primary, secondary} = buttonsType;
if (pointerType !== 'touch') {
// right-click
target.pointerdown({buttons: secondary, pointerType});
target.pointerup();
// middle-click
target.pointerdown({buttons: auxiliary, pointerType});
target.pointerup();
// pen eraser
target.pointerdown({buttons: eraser, pointerType});
target.pointerup();
}
// alt-click
target.pointerdown({buttons: primary, altKey: true, pointerType});
target.pointerup();
// ctrl-click
target.pointerdown({buttons: primary, ctrlKey: true, pointerType});
target.pointerup();
// meta-click
target.pointerdown({buttons: primary, metaKey: true, pointerType});
target.pointerup();
// shift-click
target.pointerdown({buttons: primary, shiftKey: true, pointerType});
target.pointerup();
expect(onTapStart).toHaveBeenCalledTimes(0);
});
});
describe('onTapEnd', () => {
let onTapEnd, ref;
beforeEach(() => {
onTapEnd = jest.fn();
ref = React.createRef();
const Component = () => {
const listener = useTap({onTapEnd});
return <div ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
document.elementFromPoint = () => ref.current;
});
testWithPointerType('pointer up', pointerType => {
const target = createEventTarget(ref.current);
const buttons = buttonsType.primary;
target.pointerdown({buttons, pointerType});
target.pointerup({
buttons,
pageX: 10,
pageY: 10,
pointerType,
x: 10,
y: 10,
});
expect(onTapEnd).toHaveBeenCalledTimes(1);
expect(onTapEnd).toHaveBeenCalledWith(
expect.objectContaining({
altKey: false,
ctrlKey: false,
height: pointerType === 'mouse' ? 1 : 23,
metaKey: false,
pageX: 10,
pageY: 10,
pointerType,
pressure: 0,
screenX: 10,
screenY: 60,
shiftKey: false,
tangentialPressure: 0,
target: target.node,
tiltX: 0,
tiltY: 0,
timeStamp: expect.any(Number),
twist: 0,
type: 'tap:end',
width: pointerType === 'mouse' ? 1 : 23,
x: 10,
y: 10,
}),
);
});
testWithPointerType('zero-dimension hit rect', pointerType => {
const targetRef = React.createRef();
const innerRef = React.createRef();
const Component = () => {
const listener = useTap({onTapEnd});
return (
<div ref={targetRef} listeners={listener}>
<button ref={innerRef} />
</div>
);
};
ReactDOM.render(<Component />, container);
document.elementFromPoint = () => innerRef.current;
const target = createEventTarget(targetRef.current);
target.setBoundingClientRect({x: 0, y: 0, width: 0, height: 0});
const innerTarget = createEventTarget(innerRef.current);
innerTarget.pointerdown({pointerType});
innerTarget.pointerup({pointerType});
expect(onTapEnd).toBeCalled();
});
testWithPointerType('pointer up outside target', pointerType => {
const downTarget = createEventTarget(ref.current);
const upTarget = createEventTarget(container);
tapAndReleaseOutside({
hasPointerEvents,
downTarget,
upTarget,
pointerType,
});
expect(onTapEnd).not.toBeCalled();
});
if (hasPointerEvents) {
test('second pointer up off target', () => {
const pointerType = 'touch';
const target = createEventTarget(ref.current);
const offTarget = createEventTarget(container);
const buttons = buttonsType.primary;
target.pointerdown({buttons, pointerId: 1, pointerType});
offTarget.pointerdown({buttons, pointerId: 2, pointerType});
offTarget.pointerup({
buttons,
pageX: 10,
pageY: 10,
pointerId: 2,
pointerType,
x: 10,
y: 10,
});
expect(onTapEnd).toHaveBeenCalledTimes(0);
});
}
test('ignored buttons and modifiers', () => {
const target = createEventTarget(ref.current);
const primary = buttonsType.primary;
// right-click
target.pointerdown({buttons: buttonsType.secondary});
target.pointerup({buttons: buttonsType.secondary});
// middle-click
target.pointerdown({buttons: buttonsType.auxiliary});
target.pointerup({buttons: buttonsType.auxiliary});
// pen eraser
target.pointerdown({buttons: buttonsType.eraser});
target.pointerup({buttons: buttonsType.eraser});
// alt-click
target.pointerdown({buttons: primary});
target.pointerup({altKey: true});
// ctrl-click
target.pointerdown({buttons: primary});
target.pointerup({ctrlKey: true});
// meta-click
target.pointerdown({buttons: primary});
target.pointerup({metaKey: true});
// shift-click
target.pointerdown({buttons: primary});
target.pointerup({shiftKey: true});
expect(onTapEnd).toHaveBeenCalledTimes(0);
});
});
describe('onTapUpdate', () => {
let onTapUpdate, ref;
const rect = {x: 0, y: 0, width: 100, height: 100};
const coordinates = {x: 10, y: 10};
beforeEach(() => {
onTapUpdate = jest.fn();
ref = React.createRef();
const Component = () => {
const listener = useTap({onTapUpdate});
return <div ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
document.elementFromPoint = () => ref.current;
});
testWithPointerType('requires activation', pointerType => {
const target = createEventTarget(ref.current);
target.setBoundingClientRect(rect);
target.pointerhover({pointerType, ...coordinates});
target.pointermove({pointerType, ...coordinates});
expect(onTapUpdate).not.toBeCalled();
});
testWithPointerType('pointer move', pointerType => {
const target = createEventTarget(ref.current);
target.setBoundingClientRect(rect);
target.pointerdown({pointerType});
target.pointermove({pointerType, x: 10, y: 10});
expect(onTapUpdate).toHaveBeenCalledWith(
expect.objectContaining({
altKey: false,
ctrlKey: false,
height: pointerType === 'mouse' ? 1 : 23,
metaKey: false,
pageX: 10,
pageY: 10,
pointerType,
pressure: pointerType === 'touch' ? 1 : 0.5,
screenX: 10,
screenY: 60,
shiftKey: false,
tangentialPressure: 0,
target: target.node,
tiltX: 0,
tiltY: 0,
timeStamp: expect.any(Number),
twist: 0,
type: 'tap:update',
width: pointerType === 'mouse' ? 1 : 23,
x: 10,
y: 10,
}),
);
target.pointermove({pointerType, x: 20, y: 20});
expect(onTapUpdate).toHaveBeenCalledWith(
expect.objectContaining({pointerType, x: 20, y: 20}),
);
expect(onTapUpdate).toHaveBeenCalledTimes(2);
});
testWithPointerType('pointer moves outside target', pointerType => {
const target = createEventTarget(ref.current);
const containerTarget = createEventTarget(container);
target.setBoundingClientRect(rect);
target.pointerdown({pointerType});
target.pointermove({pointerType, x: 10, y: 10});
expect(onTapUpdate).toHaveBeenCalledTimes(1);
// NOTE: this assumes the PointerEvent implementation calls
// 'releasePointerCapture' for touch pointers
if (!hasPointerEvents && pointerType === 'touch') {
document.elementFromPoint = () => containerTarget.node;
target.pointermove({pointerType, x: 101, y: 101});
} else {
containerTarget.pointermove({pointerType, x: 101, y: 101});
}
// No extra 'onTapUpdate' calls when the pointer is outside the target
expect(onTapUpdate).toHaveBeenCalledTimes(1);
});
if (hasPointerEvents) {
test('second pointer off target', () => {
const pointerType = 'touch';
const target = createEventTarget(ref.current);
const offTarget = createEventTarget(container);
const buttons = buttonsType.primary;
target.pointerdown({buttons, pointerId: 1, pointerType});
offTarget.pointerdown({buttons, pointerId: 2, pointerType});
target.pointermove({pointerId: 1, pointerType, x: 10, y: 10});
expect(onTapUpdate).toHaveBeenCalledTimes(1);
offTarget.pointermove({pointerId: 2, pointerType, x: 10, y: 10});
expect(onTapUpdate).toHaveBeenCalledTimes(1);
});
}
});
describe('onTapChange', () => {
let eventsLog, onTapChange, ref;
const logger = msg => () => {
eventsLog.push(msg);
};
beforeEach(() => {
eventsLog = [];
onTapChange = jest.fn();
ref = React.createRef();
const Component = () => {
const listener = useTap({
onTapChange(e) {
logger('change')();
onTapChange(e);
},
onTapStart: logger('start'),
onTapEnd: logger('end'),
onTapCancel: logger('cancel'),
});
return <div ref={ref} listeners={listener} />;
};
ReactDOM.render(<Component />, container);
document.elementFromPoint = () => ref.current;
});
testWithPointerType('pointer down/up', pointerType => {
const target = createEventTarget(ref.current);
target.pointerdown({pointerType});
expect(onTapChange).toHaveBeenCalledTimes(1);
expect(onTapChange).toHaveBeenCalledWith(true);
target.pointerup({pointerType, x: 0, y: 0});
expect(onTapChange).toHaveBeenCalledTimes(2);
expect(onTapChange).toHaveBeenCalledWith(false);
expect(eventsLog).toEqual(['start', 'change', 'change', 'end']);
});
testWithPointerType('pointer cancel', pointerType => {
const target = createEventTarget(ref.current);
target.pointerdown({pointerType});
expect(onTapChange).toHaveBeenCalledTimes(1);
expect(onTapChange).toHaveBeenCalledWith(true);
target.pointercancel({pointerType});
expect(onTapChange).toHaveBeenCalledTimes(2);
expect(onTapChange).toHaveBeenCalledWith(false);
expect(eventsLog).toEqual(['start', 'change', 'change', 'cancel']);
});
testWithPointerType('pointer move outside target', pointerType => {
const downTarget = createEventTarget(ref.current);
const upTarget = createEventTarget(container);
tapAndMoveOutside({
hasPointerEvents,
downTarget,
upTarget,
pointerType,
});
expect(onTapChange).toHaveBeenCalledTimes(2);
});
});
describe('onTapCancel', () => {
let onTapCancel, onTapUpdate, parentRef, ref, siblingRef;
beforeEach(() => {
onTapCancel = jest.fn();
onTapUpdate = jest.fn();
parentRef = React.createRef();
ref = React.createRef();
siblingRef = React.createRef();
const Component = () => {
const listener = useTap({onTapCancel, onTapUpdate});
return (
<div ref={parentRef}>
<div ref={ref} listeners={listener} />
<span ref={siblingRef} />
</div>
);
};
ReactDOM.render(<Component />, container);
});
testWithPointerType('pointer cancel', pointerType => {
const target = createEventTarget(ref.current);
target.pointerdown({pointerType});
target.pointercancel({pointerType});
expect(onTapCancel).toHaveBeenCalledTimes(1);
expect(onTapCancel).toHaveBeenCalledWith(
expect.objectContaining({
altKey: false,
ctrlKey: false,
height: 1,
metaKey: false,
pageX: 0,
pageY: 0,
pointerType,
pressure: 0,
screenX: 0,
screenY: 0,
shiftKey: false,
tangentialPressure: 0,
target: target.node,
tiltX: 0,
tiltY: 0,
timeStamp: expect.any(Number),
twist: 0,
type: 'tap:cancel',
width: 1,
x: 0,
y: 0,
}),
);
target.pointermove({pointerType, x: 5, y: 5});
expect(onTapUpdate).not.toBeCalled();
});
test('second pointer on target', () => {
const pointerType = 'touch';
const target = createEventTarget(ref.current);
const buttons = buttonsType.primary;
target.pointerdown({buttons, pointerId: 1, pointerType});
if (hasPointerEvents) {
target.pointerdown({buttons, pointerId: 2, pointerType});
} else {
// TouchEvents
target.pointerdown([{pointerId: 1}, {pointerId: 2}]);
}
expect(onTapCancel).toHaveBeenCalledTimes(1);
});
if (hasPointerEvents) {
test('second pointer off target', () => {
const pointerType = 'touch';
const target = createEventTarget(ref.current);
const offTarget = createEventTarget(container);
const buttons = buttonsType.primary;
target.pointerdown({buttons, pointerId: 1, pointerType});
offTarget.pointerdown({buttons, pointerId: 2, pointerType});
expect(onTapCancel).toHaveBeenCalledTimes(0);
});
}
testWithPointerType('pointer move outside target', pointerType => {
const downTarget = createEventTarget(ref.current);
const upTarget = createEventTarget(container);
tapAndMoveOutside({
hasPointerEvents,
downTarget,
upTarget,
pointerType,
});
expect(onTapCancel).toBeCalled();
});
test('ignored modifiers', () => {
const target = createEventTarget(ref.current);
const primary = buttonsType.primary;
// alt-click
target.pointerdown({buttons: primary});
target.pointerup({altKey: true});
// ctrl-click
target.pointerdown({buttons: primary});
target.pointerup({ctrlKey: true});
// meta-click
target.pointerdown({buttons: primary});
target.pointerup({metaKey: true});
// shift-click
target.pointerdown({buttons: primary});
target.pointerup({shiftKey: true});
expect(onTapCancel).toHaveBeenCalledTimes(4);
});
test('long press context menu', () => {
const target = createEventTarget(ref.current);
target.contextmenu({}, {pointerType: 'touch'});
expect(onTapCancel).toHaveBeenCalledTimes(1);
});
test('parent scroll (non-mouse)', () => {
const target = createEventTarget(ref.current);
const parentTarget = createEventTarget(parentRef.current);
target.pointerdown({pointerType: 'touch'});
parentTarget.scroll();
expect(onTapCancel).toHaveBeenCalledTimes(1);
});
test('sibling scroll', () => {
const target = createEventTarget(ref.current);
const siblingTarget = createEventTarget(siblingRef.current);
target.pointerdown();
siblingTarget.scroll();
expect(onTapCancel).not.toBeCalled();
});
test('document scroll (non-mouse)', () => {
const target = createEventTarget(ref.current);
const documentTarget = createEventTarget(document);
target.pointerdown({pointerType: 'touch'});
documentTarget.scroll();
expect(onTapCancel).toHaveBeenCalledTimes(1);
});
// Scroll on an element not managed by React
test('root container scroll (non-mouse)', () => {
const target = createEventTarget(ref.current);
const containerTarget = createEventTarget(container);
target.pointerdown({pointerType: 'touch'});
containerTarget.scroll();
expect(onTapCancel).toHaveBeenCalledTimes(1);
});
});
describe('preventDefault', () => {
let onTapEnd, ref, innerRef, preventDefault, remount;
beforeEach(() => {
remount = function(shouldPreventDefault) {
onTapEnd = jest.fn();
preventDefault = jest.fn();
ref = React.createRef();
innerRef = React.createRef();
const Component = () => {
const listener = useTap({
onTapEnd,
preventDefault: shouldPreventDefault,
});
return (
<a href="#" ref={ref} listeners={listener}>
<div ref={innerRef} />
</a>
);
};
ReactDOM.render(<Component />, container);
};
remount();
});
test('prevents native behavior by default', () => {
const target = createEventTarget(ref.current);
target.pointerdown();
target.pointerup({preventDefault});
expect(preventDefault).toBeCalled();
expect(onTapEnd).toHaveBeenCalledWith(
expect.objectContaining({defaultPrevented: true}),
);
});
test('prevents native behaviour by default (inner target)', () => {
const innerTarget = createEventTarget(innerRef.current);
innerTarget.pointerdown();
innerTarget.pointerup({preventDefault});
expect(preventDefault).toBeCalled();
expect(onTapEnd).toHaveBeenCalledWith(
expect.objectContaining({defaultPrevented: true}),
);
});
test('allows native behaviour if false', () => {
remount(false);
const target = createEventTarget(ref.current);
target.pointerdown();
target.pointerup({preventDefault});
expect(preventDefault).not.toBeCalled();
expect(onTapEnd).toHaveBeenCalledWith(
expect.objectContaining({defaultPrevented: false}),
);
});
});
});