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code-server/test/e2e/models/CodeServer.ts

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import { Page } from "playwright"
import { CODE_SERVER_ADDRESS } from "../../utils/constants"
// This is a Page Object Model
// We use these to simplify e2e test authoring
// See Playwright docs: https://playwright.dev/docs/pom/
export class CodeServer {
page: Page
editorSelector = "div.monaco-workbench"
constructor(page: Page) {
this.page = page
}
/**
* Navigates to CODE_SERVER_ADDRESS
*/
async navigate() {
await this.page.goto(CODE_SERVER_ADDRESS, { waitUntil: "networkidle" })
}
/**
* Checks if the editor is visible
* and that we are connected to the host
*
* Reload until both checks pass
*/
async reloadUntilEditorIsReady() {
const editorIsVisible = await this.isEditorVisible()
const editorIsConnected = await this.isConnected()
let reloadCount = 0
// Occassionally code-server timeouts in Firefox
// we're not sure why
// but usually a reload or two fixes it
// TODO@jsjoeio @oxy look into Firefox reconnection/timeout issues
while (!editorIsVisible && !editorIsConnected) {
// When a reload happens, we want to wait for all resources to be
// loaded completely. Hence why we use that instead of DOMContentLoaded
// Read more: https://thisthat.dev/dom-content-loaded-vs-load/
await this.page.waitForLoadState("load")
// Give it an extra second just in case it's feeling extra slow
await this.page.waitForTimeout(1000)
reloadCount += 1
if ((await this.isEditorVisible()) && (await this.isConnected())) {
console.log(` Editor became ready after ${reloadCount} reloads`)
break
}
await this.page.reload()
}
}
/**
* Checks if the editor is visible
*/
async isEditorVisible() {
// Make sure the editor actually loaded
await this.page.waitForSelector(this.editorSelector)
return await this.page.isVisible(this.editorSelector)
}
/**
* Checks if the editor is visible
*/
async isConnected() {
await this.page.waitForLoadState("networkidle")
const host = new URL(CODE_SERVER_ADDRESS).host
const hostSelector = `[title="Editing on ${host}"]`
await this.page.waitForSelector(hostSelector)
return await this.page.isVisible(hostSelector)
}
/**
* Focuses Integrated Terminal
* by using "Terminal: Focus Terminal"
* from the Command Palette
*
* This should focus the terminal no matter
* if it already has focus and/or is or isn't
* visible already.
*/
async focusTerminal() {
// Click [aria-label="Application Menu"] div[role="none"]
await this.page.click('[aria-label="Application Menu"] div[role="none"]')
// Click text=View
await this.page.hover("text=View")
await this.page.click("text=View")
// Click text=Command Palette
await this.page.hover("text=Command Palette")
await this.page.click("text=Command Palette")
// Type Terminal: Focus Terminal
await this.page.keyboard.type("Terminal: Focus Terminal")
// Click Terminal: Focus Terminal
await this.page.hover("text=Terminal: Focus Terminal")
await this.page.click("text=Terminal: Focus Terminal")
// Wait for terminal textarea to show up
await this.page.waitForSelector("textarea.xterm-helper-textarea")
}
/**
* Navigates to CODE_SERVER_ADDRESS
* and reloads until the editor is ready
*
* Helpful for running before tests
*/
async setup() {
await this.navigate()
await this.reloadUntilEditorIsReady()
}
}