kopia lustrzana https://github.com/shoelace-style/shoelace
334 wiersze
10 KiB
TypeScript
334 wiersze
10 KiB
TypeScript
import { aTimeout, expect, fixture, html, waitUntil } from '@open-wc/testing';
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import { sendKeys, sendMouse } from '@web/test-runner-commands';
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import sinon from 'sinon';
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import type SlDropdown from './dropdown';
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describe('<sl-dropdown>', () => {
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it('should be visible with the open attribute', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown open>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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<sl-menu-item>Item 3</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const panel = el.shadowRoot!.querySelector<HTMLElement>('[part~="panel"]')!;
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expect(panel.hidden).to.be.false;
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});
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it('should not be visible without the open attribute', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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<sl-menu-item>Item 3</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const panel = el.shadowRoot!.querySelector<HTMLElement>('[part~="panel"]')!;
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expect(panel.hidden).to.be.true;
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});
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it('should emit sl-show and sl-after-show when calling show()', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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<sl-menu-item>Item 3</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const panel = el.shadowRoot!.querySelector<HTMLElement>('[part~="panel"]')!;
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const showHandler = sinon.spy();
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const afterShowHandler = sinon.spy();
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el.addEventListener('sl-show', showHandler);
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el.addEventListener('sl-after-show', afterShowHandler);
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el.show();
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await waitUntil(() => showHandler.calledOnce);
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await waitUntil(() => afterShowHandler.calledOnce);
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expect(showHandler).to.have.been.calledOnce;
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expect(afterShowHandler).to.have.been.calledOnce;
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expect(panel.hidden).to.be.false;
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});
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it('should emit sl-hide and sl-after-hide when calling hide()', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown open>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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<sl-menu-item>Item 3</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const panel = el.shadowRoot!.querySelector<HTMLElement>('[part~="panel"]')!;
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const hideHandler = sinon.spy();
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const afterHideHandler = sinon.spy();
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el.addEventListener('sl-hide', hideHandler);
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el.addEventListener('sl-after-hide', afterHideHandler);
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el.hide();
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await waitUntil(() => hideHandler.calledOnce);
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await waitUntil(() => afterHideHandler.calledOnce);
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expect(hideHandler).to.have.been.calledOnce;
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expect(afterHideHandler).to.have.been.calledOnce;
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expect(panel.hidden).to.be.true;
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});
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it('should emit sl-show and sl-after-show when setting open = true', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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<sl-menu-item>Item 3</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const panel = el.shadowRoot!.querySelector<HTMLElement>('[part~="panel"]')!;
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const showHandler = sinon.spy();
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const afterShowHandler = sinon.spy();
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el.addEventListener('sl-show', showHandler);
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el.addEventListener('sl-after-show', afterShowHandler);
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el.open = true;
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await waitUntil(() => showHandler.calledOnce);
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await waitUntil(() => afterShowHandler.calledOnce);
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expect(showHandler).to.have.been.calledOnce;
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expect(afterShowHandler).to.have.been.calledOnce;
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expect(panel.hidden).to.be.false;
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});
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it('should emit sl-hide and sl-after-hide when setting open = false', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown open>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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<sl-menu-item>Item 3</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const panel = el.shadowRoot!.querySelector<HTMLElement>('[part~="panel"]')!;
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const hideHandler = sinon.spy();
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const afterHideHandler = sinon.spy();
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el.addEventListener('sl-hide', hideHandler);
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el.addEventListener('sl-after-hide', afterHideHandler);
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el.open = false;
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await waitUntil(() => hideHandler.calledOnce);
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await waitUntil(() => afterHideHandler.calledOnce);
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expect(hideHandler).to.have.been.calledOnce;
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expect(afterHideHandler).to.have.been.calledOnce;
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expect(panel.hidden).to.be.true;
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});
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it('should still open on arrow navigation when no menu items', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu> </sl-menu>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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trigger.focus();
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await sendKeys({ press: 'ArrowDown' });
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await el.updateComplete;
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expect(el.open).to.be.true;
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});
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it('should open on arrow navigation', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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trigger.focus();
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await sendKeys({ press: 'ArrowDown' });
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await el.updateComplete;
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expect(el.open).to.be.true;
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});
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it('should navigate to first focusable item on arrow navigation', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-label>Top Label</sl-menu-label>
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<sl-menu-item>Item 1</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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const item = el.querySelector('sl-menu-item')!;
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trigger.focus();
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await trigger.updateComplete;
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await sendKeys({ press: 'ArrowDown' });
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await el.updateComplete;
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await aTimeout(500); // sigh, Safari
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const itemFocused = document.activeElement === item;
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expect(itemFocused).to.be.true;
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});
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it('should close on escape key', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown open>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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<sl-menu-item>Item 2</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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trigger.focus();
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await sendKeys({ press: 'Escape' });
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await el.updateComplete;
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expect(el.open).to.be.false;
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});
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it('should not open on arrow navigation when no menu exists', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<div>Some custom content</div>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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trigger.focus();
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await sendKeys({ press: 'ArrowDown' });
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await el.updateComplete;
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expect(el.open).to.be.false;
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});
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it('should open on enter key', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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trigger.focus();
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await el.updateComplete;
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await sendKeys({ press: 'Enter' });
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await el.updateComplete;
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expect(el.open).to.be.true;
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});
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it('should open on enter key when no menu exists', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<div>Some custom content</div>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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trigger.focus();
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await el.updateComplete;
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await sendKeys({ press: 'Enter' });
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await el.updateComplete;
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expect(el.open).to.be.true;
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});
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it('should hide when clicked outside container and initially open', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown open>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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await sendMouse({ type: 'click', position: [0, 0] });
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await el.updateComplete;
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expect(el.open).to.be.false;
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});
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it('should hide when clicked outside container', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Item 1</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const trigger = el.querySelector('sl-button')!;
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trigger.click();
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await el.updateComplete;
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await sendMouse({ type: 'click', position: [0, 0] });
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await el.updateComplete;
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expect(el.open).to.be.false;
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});
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it('should close and stop propagating the keydown event when Escape is pressed and the dropdown is open ', async () => {
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const el = await fixture<SlDropdown>(html`
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<sl-dropdown open>
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<sl-button slot="trigger" caret>Toggle</sl-button>
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<sl-menu>
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<sl-menu-item>Dropdown Item 1</sl-menu-item>
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<sl-menu-item>Dropdown Item 2</sl-menu-item>
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<sl-menu-item>Dropdown Item 3</sl-menu-item>
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</sl-menu>
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</sl-dropdown>
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`);
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const firstMenuItem = el.querySelector('sl-menu-item')!;
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const hideHandler = sinon.spy();
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document.body.addEventListener('keydown', hideHandler);
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firstMenuItem.focus();
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await sendKeys({ press: 'Escape' });
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await el.updateComplete;
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expect(el.open).to.be.false;
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expect(hideHandler).to.not.have.been.called;
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});
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});
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