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102 lines
3 KiB
JavaScript
102 lines
3 KiB
JavaScript
import { expect } from 'chai'
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import sinon from 'sinon'
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import React from 'react'
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import { screen, render, fireEvent, waitFor } from '@testing-library/react'
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import SymbolPalette from '../../../../../frontend/js/features/symbol-palette/components/symbol-palette'
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describe('symbol palette', function () {
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let clock
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before(function () {
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clock = sinon.useFakeTimers({
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toFake: ['setTimeout', 'clearTimeout', 'setInterval', 'clearInterval'],
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})
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})
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after(function () {
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clock.runAll()
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clock.restore()
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})
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it('handles keyboard interaction', async function () {
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this.timeout(10000)
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const handleSelect = sinon.stub()
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const { container } = render(
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<SymbolPalette show handleSelect={handleSelect} />
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)
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// check the number of tabs
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const tabs = await screen.findAllByRole('tab')
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expect(tabs).to.have.length(5)
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let selectedTab
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let symbols
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// the first tab should be selected
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selectedTab = await screen.getByRole('tab', { selected: true })
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expect(selectedTab.textContent).to.equal('Greek')
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symbols = await screen.findAllByRole('option')
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expect(symbols).to.have.length(39)
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// click to select the third tab
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tabs[2].click()
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selectedTab = await screen.getByRole('tab', { selected: true })
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expect(selectedTab.textContent).to.equal('Operators')
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symbols = await screen.findAllByRole('option')
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expect(symbols).to.have.length(20)
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// press the left arrow to select the second tab
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fireEvent.keyDown(selectedTab, { key: 'ArrowLeft' })
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selectedTab = await screen.getByRole('tab', { selected: true })
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expect(selectedTab.textContent).to.equal('Arrows')
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symbols = await screen.findAllByRole('option')
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expect(symbols).to.have.length(16)
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// select the search input
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const input = await screen.getByRole('searchbox')
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input.click()
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// type in the search input
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fireEvent.change(input, { target: { value: 'pi' } })
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// make sure all scheduled microtasks have executed
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clock.runAll()
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// wait for the symbols to be filtered
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await waitFor(async () => {
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symbols = await screen.findAllByRole('option')
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expect(symbols).to.have.length(2)
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})
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// press Tab to select the symbols
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fireEvent.keyDown(container, { key: 'Tab' })
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// get the selected symbol
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let selectedSymbol
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selectedSymbol = await screen.getByRole('option', { selected: true })
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expect(selectedSymbol.textContent).to.equal('𝜋')
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// move to the next symbol
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fireEvent.keyDown(selectedSymbol, { key: 'ArrowRight' })
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// wait for the symbol to be selected
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selectedSymbol = await screen.getByRole('option', { selected: true })
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expect(selectedSymbol.textContent).to.equal('Π')
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// click on the selected symbol
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selectedSymbol.click()
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expect(handleSelect).to.have.been.calledWith({
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aliases: ['Π'],
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category: 'Greek',
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character: 'Π',
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codepoint: 'U+003A0',
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command: '\\Pi',
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description: 'Uppercase Greek letter Pi',
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notes: 'Use \\prod for the product.',
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})
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})
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})
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