190 lines
7.3 KiB
JavaScript
190 lines
7.3 KiB
JavaScript
import { expect, fixture as _fixture, nextFrame } from '@open-wc/testing';
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import { html } from 'lit/static-html.js';
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import sinon from 'sinon';
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import '@lion/input-stepper/define';
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/**
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* @typedef {import('../src/LionInputStepper').LionInputStepper} LionInputStepper
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* @typedef {import('@lion/core').TemplateResult} TemplateResult
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*/
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const fixture = /** @type {(arg: TemplateResult|string) => Promise<LionInputStepper>} */ (_fixture);
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const defaultInputStepper = html`
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<lion-input-stepper name="year" label="Years"></lion-input-stepper>
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`;
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const inputStepperWithAttrs = html`<lion-input-stepper min="100" max="200"></lion-input-stepper>`;
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describe('<lion-input-stepper>', () => {
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describe('Stepper', () => {
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it('has a type text', async () => {
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const el = await fixture(defaultInputStepper);
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expect(el._inputNode.type).to.equal('text');
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});
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});
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describe('User interaction', () => {
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it('should increment the value to 1 on + button click', async () => {
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const el = await fixture(defaultInputStepper);
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expect(el.value).to.equal('');
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const incrementButton = el.querySelector('[slot=suffix]');
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incrementButton?.dispatchEvent(new Event('click'));
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expect(el.value).to.equal('1');
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});
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it('should decrement the value to -1 on - button click', async () => {
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const el = await fixture(defaultInputStepper);
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expect(el.value).to.equal('');
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const decrementButton = el.querySelector('[slot=prefix]');
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decrementButton?.dispatchEvent(new Event('click'));
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expect(el.value).to.equal('-1');
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});
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it('fires one "user-input-changed" event on + button click', async () => {
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let counter = 0;
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const el = await fixture(html`
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<lion-input-stepper
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name="year"
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label="Years"
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@user-input-changed="${() => {
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counter += 1;
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}}"
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>
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</lion-input-stepper>
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`);
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const incrementButton = el.querySelector('[slot=suffix]');
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incrementButton?.dispatchEvent(new Event('click'));
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expect(counter).to.equal(1);
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});
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it('fires one "user-input-changed" event on - button click', async () => {
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let counter = 0;
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const el = await fixture(html`
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<lion-input-stepper
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name="year"
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label="Years"
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@user-input-changed="${() => {
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counter += 1;
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}}"
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>
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</lion-input-stepper>
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`);
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const decrementButton = el.querySelector('[slot=prefix]');
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decrementButton?.dispatchEvent(new Event('click'));
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expect(counter).to.equal(1);
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});
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it('fires a leave event ("blur") on button clicks', async () => {
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const blurSpy = sinon.spy();
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const el = await fixture(html`
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<lion-input-stepper @blur=${blurSpy} name="year" label="Years"></lion-input-stepper>
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`);
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expect(el.value).to.equal('');
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const decrementButton = el.querySelector('[slot=prefix]');
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decrementButton?.dispatchEvent(new Event('focus'));
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decrementButton?.dispatchEvent(new Event('click'));
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decrementButton?.dispatchEvent(new Event('blur'));
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expect(el.value).to.equal('-1');
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expect(blurSpy.calledOnce).to.be.true;
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expect(el.touched).to.be.true;
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el.touched = false;
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const incrementButton = el.querySelector('[slot=suffix]');
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incrementButton?.dispatchEvent(new Event('focus'));
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incrementButton?.dispatchEvent(new Event('click'));
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incrementButton?.dispatchEvent(new Event('blur'));
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expect(el.value).to.equal('0');
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expect(blurSpy.calledTwice).to.be.true;
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expect(el.touched).to.be.true;
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});
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it('should update min and max attributes when min and max property change', async () => {
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const el = await fixture(inputStepperWithAttrs);
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el.min = 100;
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el.max = 200;
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await nextFrame();
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expect(el._inputNode.min).to.equal(el.min.toString());
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expect(el._inputNode.max).to.equal(el.max.toString());
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});
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it('should remove the disabled attribute of the decrement button when the min property changes to below the modelvalue', async () => {
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const el = await fixture(inputStepperWithAttrs);
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const decrementButton = el.querySelector('[slot=prefix]');
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el.modelValue = 100;
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await nextFrame();
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expect(decrementButton?.getAttribute('disabled')).to.equal('true');
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el.min = 99;
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await nextFrame();
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expect(decrementButton?.getAttribute('disabled')).to.equal(null);
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});
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it('should add the disabled attribute of the decrement button when the min property changes to the modelvalue', async () => {
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const el = await fixture(inputStepperWithAttrs);
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const decrementButton = el.querySelector('[slot=prefix]');
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el.modelValue = 101;
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await nextFrame();
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expect(decrementButton?.getAttribute('disabled')).to.equal(null);
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el.min = 101;
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await nextFrame();
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expect(decrementButton?.getAttribute('disabled')).to.equal('true');
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});
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it('should remove the disabled attribute of the increment button when the max property changes to above the modelvalue', async () => {
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const el = await fixture(inputStepperWithAttrs);
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const incrementButton = el.querySelector('[slot=suffix]');
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el.modelValue = 200;
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await nextFrame();
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expect(incrementButton?.getAttribute('disabled')).to.equal('true');
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el.max = 201;
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await nextFrame();
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expect(incrementButton?.getAttribute('disabled')).to.equal(null);
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});
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it('should add the disabled attribute of the increment button when the max property changes to the modelvalue', async () => {
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const el = await fixture(inputStepperWithAttrs);
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const incrementButton = el.querySelector('[slot=suffix]');
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el.modelValue = 199;
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await nextFrame();
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expect(incrementButton?.getAttribute('disabled')).to.equal(null);
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el.max = 199;
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await nextFrame();
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expect(incrementButton?.getAttribute('disabled')).to.equal('true');
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});
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it('should react to changes in the modelValue by adjusting the disabled state of the button', async () => {
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const el = await fixture(inputStepperWithAttrs);
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const incrementButton = el.querySelector('[slot=suffix]');
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el.modelValue = 199;
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await nextFrame();
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expect(incrementButton?.getAttribute('disabled')).to.equal(null);
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el.modelValue = 200;
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await nextFrame();
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expect(incrementButton?.getAttribute('disabled')).to.equal('true');
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});
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});
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describe('Accessibility', () => {
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it('is a11y AXE accessible', async () => {
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const el = await fixture(defaultInputStepper);
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await expect(el).to.be.accessible();
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});
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it('is accessible when disabled', async () => {
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const el = await fixture(`<lion-input-stepper label="rsvp" disabled></lion-input-stepper>`);
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await expect(el).to.be.accessible();
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});
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it('adds aria-valuemax and aria-valuemin when min and max are provided', async () => {
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const el = await fixture(inputStepperWithAttrs);
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expect(el).to.have.attribute('aria-valuemax', '200');
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expect(el).to.have.attribute('aria-valuemin', '100');
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});
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it('updates aria-valuenow when stepper is changed', async () => {
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const el = await fixture(inputStepperWithAttrs);
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const incrementButton = el.querySelector('[slot=suffix]');
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incrementButton?.dispatchEvent(new Event('click'));
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expect(el).to.have.attribute('aria-valuenow', '1');
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});
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});
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});
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