Run each e2e test in a new workspace

The workspaces also have settings to prevent the welcome page from
appearing.

test/utils/constants.ts

@@ -1,3 +1,4 @@
 export const CODE_SERVER_ADDRESS = process.env.CODE_SERVER_ADDRESS || "http://localhost:8080"
 export const PASSWORD = process.env.PASSWORD || "e45432jklfdsab"
 export const storageState = JSON.parse(process.env.STORAGE || "{}")
+export const workspaceDir = "workspaces"

test/utils/globalSetup.ts

@@ -1,15 +1,20 @@
-// This setup runs before our e2e tests
-// so that it authenticates us into code-server
-// ensuring that we're logged in before we run any tests
 import { chromium } from "playwright"
 import { hash } from "../../src/node/util"
-import { PASSWORD } from "./constants"
+import { PASSWORD, workspaceDir } from "./constants"
+import { clean } from "./helpers"
 import * as wtfnode from "./wtfnode"
 
+/**
+ * Perform workspace cleanup and authenticate. This should be set up to run
+ * before our tests execute.
+ */
 export default async function () {
   console.log("\n🚨 Running Global Setup for Playwright End-to-End Tests")
   console.log("   Please hang tight...")
 
+  // Cleanup workspaces from previous tests.
+  await clean(workspaceDir)
+
   const cookieToStore = {
     sameSite: "Lax" as const,
     name: "key",

test/utils/helpers.ts

@@ -1,4 +1,4 @@
-import * as fs from "fs"
+import { promises as fs } from "fs"
 import * as os from "os"
 import * as path from "path"
 
@@ -20,13 +20,20 @@ export function createLoggerMock() {
 }
 
 /**
- * Create a uniquely named temporary directory.
- *
- * These directories are placed under a single temporary code-server directory.
+ * Clean up directories left by a test. It is recommended to do this when a test
+ * starts to avoid potentially accumulating infinite test directories.
+ */
+export async function clean(testName: string): Promise<void> {
+  const dir = path.join(os.tmpdir(), `code-server/tests/${testName}`)
+  await fs.rm(dir, { recursive: true })
+}
+
+/**
+ * Create a uniquely named temporary directory for a test.
  */
 export async function tmpdir(testName: string): Promise<string> {
-  const dir = path.join(os.tmpdir(), "code-server/tests")
-  await fs.promises.mkdir(dir, { recursive: true })
+  const dir = path.join(os.tmpdir(), `code-server/tests/${testName}`)
+  await fs.mkdir(dir, { recursive: true })
 
-  return await fs.promises.mkdtemp(path.join(dir, `${testName}-`), { encoding: "utf8" })
+  return await fs.mkdtemp(path.join(dir, `${testName}-`), { encoding: "utf8" })
 }