creates new user and session for each worker process

pretty cool

tests/fixtures.ts

@@ -1,8 +1,35 @@
 /* eslint-disable @typescript-eslint/ban-types */
 import { test as baseTest, expect } from "@playwright/test";
+import { MongoDBAdapter } from "@auth/mongodb-adapter";
 import path from "path";
 import dotenv from "dotenv";
+import clientPromise from "$lib/mongo/mongodb";
+import { randomUUID } from "crypto";
+import { ObjectId } from "bson";
+import type { AdapterSession, AdapterUser } from "@auth/core/adapters";
 dotenv.config();
+const adapter = MongoDBAdapter(clientPromise, { databaseName: "MyFit_v3" });
+
+async function createTestUserAndSession() {
+  const randomUserName = new ObjectId().toString();
+  const randomSessionToken = randomUUID();
+  const newTestUser = await adapter.createUser({
+    id: randomUserName,
+    email: `test-user-${randomUserName}@myfit.com`,
+    emailVerified: null
+  });
+  const newTestSession = await adapter.createSession({
+    sessionToken: randomSessionToken,
+    userId: randomUserName,
+    expires: new Date(Number(new Date()) + 1000 * 60 * 60)
+  });
+  return { user: newTestUser, session: newTestSession };
+}
+
+async function deleteTestUserAndSession(user: AdapterUser, session: AdapterSession) {
+  await adapter.deleteSession(session.sessionToken);
+  await adapter.deleteUser(user.id);
+}
 
 export * from "@playwright/test";
 export const test = baseTest.extend<{}, { workerStorageState: string }>({
@@ -15,29 +42,32 @@ export const test = baseTest.extend<{}, { workerStorageState: string }>({
       // Use parallelIndex as a unique identifier for each worker.
       const id = test.info().parallelIndex;
       const fileName = path.resolve(test.info().project.outputDir, `.auth/${id}.json`);
-      const testSession = process.env[`TEST_SESSION_${id + 1}`] ?? "";
 
       // Important: make sure we authenticate in a clean environment by unsetting storage state.
       const page = await browser.newPage({ storageState: undefined });
+      const { user, session } = await createTestUserAndSession();
 
       // Perform authentication steps. Just set a test user's cookie.
       await page.context().addCookies([
         {
           name: "authjs.session-token",
-          value: testSession,
+          value: session.sessionToken,
           path: "/",
           domain: "localhost"
         }
       ]);
       // Wait until the page receives the cookies.
       // Reload to get user info
+      await page.reload();
       await page.goto("localhost:4173/profile");
-      await expect(page.getByRole("main")).toContainText("Hello Test user");
+      await expect(page.getByRole("main")).toContainText(user.email);
       // End of authentication steps.
 
       await page.context().storageState({ path: fileName });
       await page.close();
       await use(fileName);
+
+      await deleteTestUserAndSession(user, session);
     },
     { scope: "worker" }
   ]