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code-server/test/e2e/models/CodeServer.ts
Asher ba0364a522
Run each e2e test in a new workspace
The workspaces also have settings to prevent the welcome page from
appearing.
2021-06-29 12:03:37 -05:00

136 lines
4.1 KiB
TypeScript

import { promises as fs } from "fs"
import * as path from "path"
import { Page } from "playwright"
import { CODE_SERVER_ADDRESS, workspaceDir } from "../../utils/constants"
import { tmpdir } from "../../utils/helpers"
// 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 {
private readonly editorSelector = "div.monaco-workbench"
constructor(public readonly page: Page) {}
/**
* Navigates to CODE_SERVER_ADDRESS. It will open a newly created random
* directory.
*/
async navigate() {
const dir = await this.createWorkspace()
await this.page.goto(`${CODE_SERVER_ADDRESS}?folder=${dir}`, { 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()
}
/**
* Create a random workspace and seed it with settings.
*/
private async createWorkspace(): Promise<string> {
const dir = await tmpdir(workspaceDir)
await fs.mkdir(path.join(dir, ".vscode"))
await fs.writeFile(
path.join(dir, ".vscode/settings.json"),
JSON.stringify({
"workbench.startupEditor": "none",
}),
"utf8",
)
return dir
}
}