chore: import upstream snapshot with attribution

apps/webapp/test/helpers/sharedTestServer.ts

@@ -0,0 +1,53 @@
+// Per-worker access to the shared TestServer started by globalSetup. Each
+// test file imports `getTestServer()` once at module top-level; the returned
+// value is a singleton within that worker process.
+//
+// `webapp.fetch(path)` prepends the shared baseUrl. The PrismaClient is
+// constructed lazily and disconnected on test-suite end via afterAll in the
+// importing file (or left to the worker shutting down).
+
+import { PrismaClient } from "@trigger.dev/database";
+import { afterAll, inject } from "vitest";
+
+interface SharedWebapp {
+  baseUrl: string;
+  fetch(path: string, init?: RequestInit): Promise<Response>;
+}
+
+interface SharedTestServer {
+  webapp: SharedWebapp;
+  prisma: PrismaClient;
+}
+
+let cached: SharedTestServer | undefined;
+
+export function getTestServer(): SharedTestServer {
+  if (cached) return cached;
+
+  const baseUrl = inject("baseUrl");
+  const databaseUrl = inject("databaseUrl");
+
+  if (!baseUrl || !databaseUrl) {
+    throw new Error(
+      "globalSetup didn't provide baseUrl/databaseUrl — run via vitest.e2e.full.config.ts"
+    );
+  }
+
+  const prisma = new PrismaClient({ datasources: { db: { url: databaseUrl } } });
+
+  cached = {
+    webapp: {
+      baseUrl,
+      fetch: (path, init) => fetch(`${baseUrl}${path}`, init),
+    },
+    prisma,
+  };
+
+  // Disconnect the PrismaClient when the worker is done. globalSetup's
+  // teardown stops the container; this just releases the per-worker pool.
+  afterAll(async () => {
+    await prisma.$disconnect().catch(() => {});
+  });
+
+  return cached;
+}