Add UI tests

src/spec/util/expandTopic.ts

@@ -0,0 +1,29 @@
+import { Browser } from 'webdriverio'
+import { clickOn } from './'
+
+export async function expandTopic(path: string, browser: Browser<void>) {
+  const originalTopics = path.split('/')
+  let topics = path.split('/')
+  while (topics.length > 0 && !await topicMatches(topics, browser)) {
+    topics = topics.slice(0, topics.length - 1)
+  }
+  if (topics.length === 0) {
+    throw Error('could not expand topics, no match found')
+  }
+
+  while (topics.length <= originalTopics.length) {
+    const match = await browser.$(topicSelector(topics))
+    await clickOn(match, browser)
+    topics.push(originalTopics[topics.length])
+  }
+}
+
+async function topicMatches(topics: string[], browser: Browser<void>) {
+  const result = await browser.$(topicSelector(topics))
+  return result.isExisting()
+}
+
+function topicSelector(topics: string[]) {
+  const suffix = topics.map(topic => `*[contains(text(), "${topic}")]`).join('/../../..//')
+  return `//${suffix}`
+}

src/spec/util/index.ts

@@ -0,0 +1,109 @@
+import { Element, Browser } from 'webdriverio'
+export { expandTopic } from './expandTopic'
+
+export function sleep(ms: number) {
+  return new Promise((resolve) => {
+    setTimeout(resolve, ms)
+  })
+}
+
+export function writeText(text: string, to: Browser<void>) {
+  text.split('').forEach(async (c) => {
+    await to.keys([c])
+    await sleep(50)
+  })
+}
+
+export async function moveToCenterOfElement(element: Element<void>, browser: Browser<void>) {
+  const { x, y } = await element.getLocation()
+  const { width, height } = await element.getSize()
+
+  const js = `{
+    const targetX = ${x + width / 2}
+    const targetY = ${y + height / 2}
+    const duration = 500
+
+    const maxStepSize = 10
+    const e = document.getElementById("bier")
+    const top = parseFloat(e.style.top)
+    const left = parseFloat(e.style.left)
+    const deltaY = targetY - top
+    const deltaX = targetX - left
+
+    const distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY)
+    const steps = Math.ceil(distance / maxStepSize)
+
+    const stepX = deltaX / steps
+    const stepY = deltaY / steps
+    let currentStep = 0
+    function getCloser() {
+      e.style.left = String(left + (stepX * currentStep)) + 5 + 'px'
+      e.style.top = String(top + (stepY * currentStep)) + 5 + 'px'
+      if (currentStep < steps) {
+        setTimeout(() => {
+    			currentStep += 1
+          getCloser()
+        }, duration/steps)
+      }
+    }
+	  getCloser()
+  }`
+  await browser.execute(js)
+  await sleep(550)
+  await element.moveTo()
+}
+
+export async function clickOn(element: Element<void>, browser: Browser<void>, clicks = 1) {
+  await moveToCenterOfElement(element, browser)
+  for (let i = 0; i < clicks; i += 1) {
+    await element.click()
+    await sleep(50)
+  }
+}
+
+export async function createFakeMousePointer(browser: Browser<void>) {
+  const addCursorImage = 'const i=document.createElement("img");'
+  + 'i.src="../cursor.png";'
+  + 'i.width="32";'
+  + 'i.height="32";'
+  + 'i.id="bier";'
+  + 'i.style="position: fixed; z-index:10000000; filter: invert(100%);left: 0px; top: 0px;";'
+  + 'document.body.appendChild(i)'
+
+  await browser.execute(addCursorImage)
+
+  const onMouseMove = `document.onmousemove = (event) => {
+      const e = document.getElementById('bier')
+      e.style.left = (event.pageX+1) + 'px'
+      e.style.top = event.pageY + 'px'
+  }`
+  await browser.execute(onMouseMove)
+}
+
+export async function showText(text: string, duration: number = 0, browser: Browser<void>) {
+  const js = `
+    let previousDiv = document.getElementById('tests-text-overlay')
+    previousDiv && previousDiv.remove()
+    let div = document.createElement('div')
+    div.id = "tests-text-overlay"
+    div.style = "background-color: rgba(0, 0, 0, 0.8);position: fixed;left: 5vw;z-index: 1000000;margin: 30vw auto 50vw;border-radius: 16px;right: 5vw;bottom: -65vh;"
+    let div2 = document.createElement('div')
+    div2.style = "text-align: center;font-size: 4em;color: white;"
+    div2.innerHTML = "${text}"
+    div.appendChild(div2)
+    document.body.appendChild(div)
+    if (${duration} > 0) {
+      setTimeout(() => div.remove(), ${duration})
+    }
+  `
+  browser.execute(js)
+}
+
+export async function hideText(browser: Browser<void>) {
+  const js = `
+    let previousDiv = document.getElementById('tests-text-overlay')
+    previousDiv && previousDiv.remove()
+  `
+  browser.execute(js)
+  await sleep(600)
+}