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slider.test.ts
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slider.test.ts
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/*
Copyright 2020 Adobe. All rights reserved.
This file is licensed to you 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 REPRESENTATIONS
OF ANY KIND, either express or implied. See the License for the specific language
governing permissions and limitations under the License.
*/
import '../sp-slider.js';
import '../sp-slider-handle.js';
import { Slider, SliderHandle } from '../';
import { tick } from '../stories/slider.stories.js';
import {
elementUpdated,
expect,
fixture,
html,
nextFrame,
oneEvent,
waitUntil,
} from '@open-wc/testing';
import { sendKeys } from '@web/test-runner-commands';
import { ProvideLang } from '@spectrum-web-components/theme';
import { sendMouse } from '../../../test/plugins/browser.js';
describe('Slider', () => {
it('loads', async () => {
const el = await fixture<Slider>(
html`
<sp-slider label="Slider"></sp-slider>
`
);
await elementUpdated(el);
await expect(el).to.be.accessible();
});
it('loads - [variant="tick"]', async () => {
const el = await fixture<Slider>(
html`
<sp-slider
label="Ticked Slider"
min="-100"
max="100"
value="0"
tick-labels
variant="tick"
></sp-slider>
`
);
await elementUpdated(el);
await expect(el).to.be.accessible();
});
it('loads - [variant="tick"] irregularly', async () => {
const el = await fixture<Slider>(
html`
<sp-slider label="Slider"></sp-slider>
`
);
await elementUpdated(el);
await expect(el).to.be.accessible();
});
it('receives value from the outside', async () => {
const el = await fixture<Slider>(
html`
<sp-slider max="20"></sp-slider>
`
);
await elementUpdated(el);
expect(el.value).to.equal(10);
el.value = 10;
await elementUpdated(el);
expect(el.value).to.equal(10);
el.value = 50;
await elementUpdated(el);
expect(el.value).to.equal(20);
});
it('accepts keyboard events', async () => {
const el = await fixture<Slider>(
tick({
variant: 'tick',
tickStep: 5,
})
);
await elementUpdated(el);
expect(el.value).to.equal(46);
expect(el.highlight).to.be.false;
el.focus();
await sendKeys({
press: 'ArrowDown',
});
await elementUpdated(el);
expect(el.value).to.equal(45);
expect(el.highlight).to.be.true;
await sendKeys({
press: 'ArrowUp',
});
await elementUpdated(el);
expect(el.value).to.equal(46);
expect(el.highlight).to.be.true;
});
it('accepts pointer events', async () => {
let pointerId = -1;
const el = await fixture<Slider>(
html`
<sp-slider></sp-slider>
`
);
await elementUpdated(el);
expect(el.dragging).to.be.false;
expect(el.highlight).to.be.false;
expect(pointerId).to.equal(-1);
const handle = el.shadowRoot.querySelector('.handle') as HTMLDivElement;
el.track.setPointerCapture = (id: number) => (pointerId = id);
el.track.releasePointerCapture = (id: number) => (pointerId = id);
handle.dispatchEvent(
new PointerEvent('pointerdown', {
button: 1,
pointerId: 1,
cancelable: true,
bubbles: true,
composed: true,
})
);
await elementUpdated(el);
expect(el.dragging).to.be.false;
expect(pointerId, '1').to.equal(-1);
handle.dispatchEvent(
new PointerEvent('pointerdown', {
button: 0,
pointerId: 1,
cancelable: true,
bubbles: true,
composed: true,
})
);
await elementUpdated(el);
expect(el.dragging, 'it is dragging 1').to.be.true;
expect(pointerId, '2').to.equal(1);
handle.dispatchEvent(
new PointerEvent('pointerup', {
pointerId: 2,
cancelable: true,
bubbles: true,
composed: true,
})
);
await elementUpdated(el);
expect(el.dragging).to.be.false;
expect(el.highlight).to.be.false;
expect(pointerId, '3').to.equal(2);
handle.dispatchEvent(
new PointerEvent('pointerdown', {
button: 0,
pointerId: 1,
cancelable: true,
bubbles: true,
composed: true,
})
);
await elementUpdated(el);
expect(el.dragging, 'it is dragging 2').to.be.true;
expect(pointerId, '4').to.equal(1);
handle.dispatchEvent(
new PointerEvent('pointercancel', {
pointerId: 3,
cancelable: true,
bubbles: true,
composed: true,
})
);
await elementUpdated(el);
expect(el.dragging).to.be.false;
expect(pointerId, '5').to.equal(3);
});
it('will `trackPointerDown` on `#controls`', async () => {
let pointerId = -1;
const el = await fixture<Slider>(
html`
<sp-slider style="width: 500px" max="70"></sp-slider>
`
);
await elementUpdated(el);
expect(el.value).to.equal(35);
const controls = el.shadowRoot.querySelector(
'#controls'
) as HTMLDivElement;
const handle = el.shadowRoot.querySelector('.handle') as HTMLDivElement;
el.track.setPointerCapture = (id: number) => (pointerId = id);
el.track.releasePointerCapture = (id: number) => (pointerId = id);
controls.dispatchEvent(
new PointerEvent('pointerdown', {
button: 1,
// account for 8px <body> margin by default
clientX: 9,
pointerId: 4,
bubbles: true,
cancelable: true,
})
);
await elementUpdated(el);
expect(pointerId).to.equal(-1);
expect(el.value).to.equal(35);
expect(el.dragging, 'handle is not yet being dragged').to.be.false;
controls.dispatchEvent(
new PointerEvent('pointerdown', {
button: 0,
// account for 8px <body> margin by default
clientX: 9,
pointerId: 4,
bubbles: true,
cancelable: true,
})
);
await elementUpdated(el);
expect(pointerId).to.equal(4);
expect(el.value).to.equal(0);
expect(el.dragging, 'handle is being dragged').to.be.true;
handle.dispatchEvent(
new PointerEvent('pointermove', {
button: 0,
// account for 8px <body> margin by default
clientX: 508,
pointerId: 4,
bubbles: true,
cancelable: true,
})
);
await elementUpdated(el);
expect(el.dragging, 'handle is still being dragged').to.be.true;
expect(pointerId).to.equal(4);
expect(el.value).to.equal(70);
handle.dispatchEvent(
new PointerEvent('pointerup', {
button: 0,
// account for 8px <body> margin by default
clientX: 9,
pointerId: 4,
bubbles: true,
cancelable: true,
})
);
await elementUpdated(el);
expect(pointerId).to.equal(4);
expect(el.value).to.equal(70);
expect(el.dragging, 'handle is no longer being dragged').to.be.false;
});
it('can be disabled', async () => {
let pointerId = -1;
const el = await fixture<Slider>(
html`
<sp-slider disabled></sp-slider>
`
);
await elementUpdated(el);
expect(el.dragging).to.be.false;
expect(pointerId).to.equal(-1);
expect(el.value).to.equal(50);
const handle = el.shadowRoot.querySelector('.handle') as HTMLDivElement;
handle.setPointerCapture = (id: number) => (pointerId = id);
handle.dispatchEvent(
new PointerEvent('pointerdown', {
button: 0,
pointerId: 1,
cancelable: true,
})
);
await elementUpdated(el);
expect(el.dragging).to.be.false;
expect(pointerId).to.equal(-1);
const controls = el.shadowRoot.querySelector(
'#controls'
) as HTMLDivElement;
controls.dispatchEvent(
new PointerEvent('pointerdown', {
button: 0,
clientX: 50,
pointerId: 1,
cancelable: true,
})
);
await elementUpdated(el);
expect(pointerId).to.equal(-1);
expect(el.value).to.equal(50);
});
it('accepts pointermove events', async () => {
const el = await fixture<Slider>(
html`
<sp-slider></sp-slider>
`
);
await elementUpdated(el);
expect(el.value).to.equal(50);
const handle = el.shadowRoot.querySelector('.handle') as HTMLDivElement;
await sendMouse({
steps: [
{
type: 'move',
position: [9, 30],
},
{
type: 'down',
},
],
});
await elementUpdated(el);
expect(el.dragging, 'is dragging').to.be.true;
expect(el.highlight, 'not highlighted').to.be.false;
handle.dispatchEvent(
new PointerEvent('pointermove', {
clientX: 0,
cancelable: true,
bubbles: true,
composed: true,
})
);
await elementUpdated(el);
expect(el.value).to.equal(0);
});
it('accepts pointermove events in separate interactions', async () => {
let pointerId = -1;
const el = await fixture<Slider>(
html`
<sp-slider style="width: 100px"></sp-slider>
`
);
await elementUpdated(el);
expect(el.value, 'initial').to.equal(50);
const handle = el.shadowRoot.querySelector('.handle') as HTMLDivElement;
el.track.setPointerCapture = (id: number) => (pointerId = id);
el.track.releasePointerCapture = (id: number) => (pointerId = id);
handle.dispatchEvent(
new PointerEvent('pointerdown', {
clientX: 58,
cancelable: true,
button: 0,
pointerId: 100,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
handle.dispatchEvent(
new PointerEvent('pointermove', {
clientX: 58,
cancelable: true,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
expect(el.value, 'first pointerdown').to.equal(50);
expect(el.dragging, 'is dragging').to.be.true;
expect(el.classList.contains('handle-highlight'), 'not highlighted').to
.be.false;
expect(pointerId).to.equal(100);
handle.dispatchEvent(
new PointerEvent('pointermove', {
clientX: 0,
cancelable: true,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
expect(el.value, 'first pointermove').to.equal(0);
handle.dispatchEvent(
new PointerEvent('pointerup', {
clientX: 0,
cancelable: true,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
expect(el.value, 'first pointerup').to.equal(0);
expect(el.dragging, 'is dragging').to.be.false;
handle.dispatchEvent(
new PointerEvent('pointerdown', {
clientX: 58,
cancelable: true,
button: 0,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
handle.dispatchEvent(
new PointerEvent('pointermove', {
clientX: 58,
cancelable: true,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
expect(el.value, 'second pointerdown').to.equal(50);
expect(el.dragging, 'is dragging').to.be.true;
expect(el.classList.contains('handle-highlight'), 'not highlighted').to
.be.false;
handle.dispatchEvent(
new PointerEvent('pointermove', {
clientX: 0,
cancelable: true,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
expect(el.value, 'second pointermove').to.equal(0);
handle.dispatchEvent(
new PointerEvent('pointerup', {
clientX: 0,
cancelable: true,
composed: true,
bubbles: true,
})
);
await elementUpdated(el);
expect(el.value, 'second pointerup').to.equal(0);
expect(el.dragging, 'is dragging').to.be.false;
});
it('accepts pointermove events - [step=0]', async () => {
const el = await fixture<Slider>(
html`
<sp-slider step="0" max="20" style="width: 500px; float: left;">
Step = 0
</sp-slider>
`
);
await elementUpdated(el);
await nextFrame();
await nextFrame();
expect(el.value).to.equal(10);
const handle = el.shadowRoot.querySelector('.handle') as HTMLDivElement;
const handleBoundingRect = handle.getBoundingClientRect();
const position: [number, number] = [
handleBoundingRect.x + handleBoundingRect.width / 2,
handleBoundingRect.y + handleBoundingRect.height / 2,
];
await sendMouse({
steps: [
{
type: 'move',
position,
},
{
type: 'down',
},
],
});
await nextFrame();
expect(el.highlight, 'with no highlight').to.be.false;
expect(el.dragging, 'dragging').to.be.true;
let inputEvent = oneEvent(el, 'input');
await sendMouse({
steps: [
{
type: 'move',
position: [
200,
handleBoundingRect.y + handleBoundingRect.height + 100,
],
},
],
});
await inputEvent;
expect(el.value).to.equal(8);
inputEvent = oneEvent(el, 'input');
await sendMouse({
steps: [
{
type: 'move',
position: [125, position[1]],
},
],
});
await inputEvent;
expect(el.value).to.equal(5);
});
it('will not pointermove unless `pointerdown`', async () => {
const el = await fixture<Slider>(
html`
<sp-slider></sp-slider>
`
);
await elementUpdated(el);
expect(el.value).to.equal(50);
expect(el.dragging).to.be.false;
const handle = el.shadowRoot.querySelector('.handle') as HTMLDivElement;
handle.dispatchEvent(
new PointerEvent('pointermove', {
clientX: 0,
cancelable: true,
})
);
await nextFrame();
expect(el.value).to.equal(50);
});
it('responds to input events on the <input/> element', async () => {
const el = await fixture<Slider>(
html`
<sp-slider></sp-slider>
`
);
await elementUpdated(el);
expect(el.value).to.equal(50);
const input = el.shadowRoot.querySelector('.input') as HTMLInputElement;
input.value = '0';
input.dispatchEvent(new Event('change'));
expect(el.value).to.equal(0);
});
it('accepts variants', async () => {
const el = await fixture<Slider>(
html`
<sp-slider variant="tick"></sp-slider>
`
);
await elementUpdated(el);
expect(el.variant).to.equal('tick');
expect(el.getAttribute('variant')).to.equal('tick');
el.variant = 'ramp';
await elementUpdated(el);
expect(el.variant).to.equal('ramp');
expect(el.getAttribute('variant')).to.equal('ramp');
el.setAttribute('variant', 'filled');
await elementUpdated(el);
expect(el.variant).to.equal('filled');
expect(el.getAttribute('variant')).to.equal('filled');
el.removeAttribute('variant');
await elementUpdated(el);
expect(el.variant).to.equal('');
expect(el.hasAttribute('variant')).to.be.false;
});
it('validates variants', async () => {
const el = await fixture<Slider>(
html`
<sp-slider variant="other"></sp-slider>
`
);
await elementUpdated(el);
expect(el.variant).to.equal('');
expect(el.hasAttribute('variant')).to.be.false;
el.variant = 'tick';
await elementUpdated(el);
expect(el.variant).to.equal('tick');
expect(el.getAttribute('variant')).to.equal('tick');
el.variant = 'tick';
await elementUpdated(el);
expect(el.variant).to.equal('tick');
expect(el.getAttribute('variant')).to.equal('tick');
});
it('has a `focusElement`', async () => {
const el = await fixture<Slider>(
html`
<sp-slider></sp-slider>
`
);
await elementUpdated(el);
const input = el.focusElement as HTMLInputElement;
expect(input).to.not.be.undefined;
expect(input.type).to.equal('range');
});
it('displays result of getAriaValueText', async () => {
const el = await fixture<Slider>(
html`
<sp-slider
value="50"
min="0"
max="100"
.getAriaHandleText=${(value: number) => `${value}%`}
></sp-slider>
`
);
await elementUpdated(el);
const input = el.focusElement as HTMLInputElement;
expect(input.getAttribute('aria-valuetext')).to.equal('50%');
el.value = 100;
await elementUpdated(el);
expect(input.getAttribute('aria-valuetext')).to.equal('100%');
});
it('displays Intl.formatNumber results', async () => {
const el = await fixture<Slider>(
html`
<sp-slider
value=".5"
min="0"
max="1"
.formatOptions=${{ style: 'percent' }}
></sp-slider>
`
);
await elementUpdated(el);
const input = el.focusElement as HTMLInputElement;
expect(input.getAttribute('aria-valuetext')).to.equal('50%');
el.value = 100;
await elementUpdated(el);
expect(input.getAttribute('aria-valuetext')).to.equal('100%');
});
it('obeys language property', async () => {
let lang = 'de';
const langResolvers: ProvideLang['callback'][] = [];
const createLangResolver = (event: CustomEvent<ProvideLang>): void => {
langResolvers.push(event.detail.callback);
resolveLanguage();
};
const resolveLanguage = (): void => {
langResolvers.forEach((resolver) => resolver(lang));
};
let el = await fixture<Slider>(
html`
<sp-slider
value="2.44"
min="0"
max="10"
step="0.01"
@sp-language-context=${createLangResolver}
.formatOptions=${{ maximumFractionDigits: 2 }}
></sp-slider>
`
);
await elementUpdated(el);
let input = el.focusElement as HTMLInputElement;
expect(
input.getAttribute('aria-valuetext'),
'First German number'
).to.equal('2,44');
lang = 'en';
resolveLanguage();
await elementUpdated(el);
expect(
input.getAttribute('aria-valuetext'),
'First English number'
).to.equal('2.44');
lang = 'de';
resolveLanguage();
el = await fixture<Slider>(
html`
<sp-slider
min="0"
max="10"
@sp-language-context=${createLangResolver}
>
<sp-slider-handle
slot="handle"
step="0.01"
value="2.44"
.formatOptions=${{ maximumFractionDigits: 2 }}
@sp-language-context=${createLangResolver}
></sp-slider-handle>
</sp-slider>
`
);
await elementUpdated(el);
input = el.focusElement as HTMLInputElement;
expect(
input.getAttribute('aria-valuetext'),
'Second German number'
).to.equal('2,44');
lang = 'en';
resolveLanguage();
await elementUpdated(el);
expect(
input.getAttribute('aria-valuetext'),
'Second English number'
).to.equal('2.44');
});
it('uses fallback ariaValueText', async () => {
const el = await fixture<Slider>(
html`
<sp-slider value="50" min="0" max="100"></sp-slider>
`
);
await elementUpdated(el);
(
el as unknown as {
getAriaValueText: boolean;
}
).getAriaValueText = false;
const input = el.focusElement as HTMLInputElement;
await elementUpdated(el);
expect(input.getAttribute('aria-valuetext')).to.equal('50');
});
it('accepts min/max/value in the same timing', async () => {
const el = await fixture<Slider>(
html`
<sp-slider></sp-slider>
`
);
await elementUpdated(el);
expect(el.value).to.equal(50);
el.min = 0;
el.max = 200;
el.value = 200;
await elementUpdated(el);
expect(el.value).to.equal(200);
el.value = 500;
el.min = 0;
el.max = 500;
await elementUpdated(el);
expect(el.value).to.equal(500);
el.value = -100;
el.min = -100;
el.max = 500;
await elementUpdated(el);
expect(el.value).to.equal(-100);
});
it('returns values for handles', async () => {
let el = await fixture<Slider>(
html`
<sp-slider>
<sp-slider-handle
slot="handle"
name="a"
min="0"
value="10"
></sp-slider-handle>
<sp-slider-handle
id="middle-handle"
slot="handle"
name="b"
value="20"
></sp-slider-handle>
<sp-slider-handle
slot="handle"
name="c"
value="30"
max="100"
></sp-slider-handle>
</sp-slider>
`
);
await elementUpdated(el);
expect(el.values).to.deep.equal({ a: 10, b: 20, c: 30 });
const middleHandle = el.querySelector('#middle-handle') as SliderHandle;
middleHandle.value = 22;
await elementUpdated(el);
expect(el.values).to.deep.equal({ a: 10, b: 22, c: 30 });
el = await fixture<Slider>(
html`
<sp-slider value="10" min="0" max="100"></sp-slider>
`
);
expect(el.values).to.deep.equal({ value: 10 });
el = await fixture<Slider>(
html`
<sp-slider min="0" max="100">
<sp-slider-handle
slot="handle"
value="10"
></sp-slider-handle>
</sp-slider>
`
);
expect(el.values).to.deep.equal({ handle1: 10 });
});
it('clamps values for multi-handle slider', async () => {
const el = await fixture<Slider>(
html`
<sp-slider min="0" max="100">
<sp-slider-handle
id="first-handle"
max="next"
slot="handle"
name="a"
value="10"
></sp-slider-handle>
<sp-slider-handle
id="middle-handle"
min="previous"
max="next"
slot="handle"
name="b"
value="20"
></sp-slider-handle>
<sp-slider-handle
id="last-handle"
min="previous"
slot="handle"
name="c"
value="30"
></sp-slider-handle>
</sp-slider>
`
);
await elementUpdated(el);
expect(el.values).to.deep.equal({ a: 10, b: 20, c: 30 });
const firstHandle = el.querySelector('#first-handle') as SliderHandle;
const middleHandle = el.querySelector('#middle-handle') as SliderHandle;
const lastHandle = el.querySelector('#last-handle') as SliderHandle;
firstHandle.value = 25;
await elementUpdated(el);
expect(el.values).to.deep.equal({ a: 20, b: 20, c: 30 });
firstHandle.value = 10;
await elementUpdated(el);
middleHandle.value = 5;
await elementUpdated(el);
expect(el.values).to.deep.equal({ a: 10, b: 10, c: 30 });
lastHandle.value = 11;
await elementUpdated(el);
expect(el.values).to.deep.equal({ a: 10, b: 10, c: 11 });
lastHandle.value = 7;
await elementUpdated(el);
expect(el.values).to.deep.equal({ a: 10, b: 10, c: 10 });
});
it('builds both handles from a <template>', async () => {
const template = document.createElement('template');
template.innerHTML = `
<sp-slider variant="range" step="1" id="price" name="price" label="Max Price" min="35425" max="86610">
<sp-slider-handle slot="handle" name="min" label="Minimum" max="next" value="35425"></sp-slider-handle>
<sp-slider-handle slot="handle" name="max" label="Maximum" min="previous" value="86610"></sp-slider-handle>
</sp-slider>
`;
const el = await fixture<HTMLDivElement>(
html`
<div></div>
`
);
el.appendChild(template.content.cloneNode(true));
await waitUntil(() => {
return el.querySelector('sp-slider')?.shadowRoot != null;
});
// Sliders take several frames to fully upgrade
await nextFrame();
const createdHandles =
el
.querySelector('sp-slider')
?.shadowRoot.querySelectorAll('.handle') || [];
expect(createdHandles).to.have.lengthOf(2);
});
it('enforces next/previous max/min', async () => {
let el = await fixture<Slider>(
html`
<sp-slider min="0" max="100">
<sp-slider-handle
id="first-handle"
max="next"
slot="handle"
name="a"
value="10"
></sp-slider-handle>
<sp-slider-handle
id="middle-handle"
min="previous"
max="next"
slot="handle"
name="b"
value="20"