add e2e to make sure validation takes place

Author: dario-piotrowicz

packages/vite-plugin-cloudflare/e2e/fixtures/invalid-worker-env-configs/index.js

@@ -0,0 +1,5 @@
+export default {
+	async fetch() {
+		return new Response("Hello World!");
+	},
+};

packages/vite-plugin-cloudflare/e2e/fixtures/invalid-worker-env-configs/package.json

@@ -0,0 +1,12 @@
+{
+	"name": "@vite-plugin-cloudflare-e2e/invalid-worker-env-configs",
+	"private": true,
+	"type": "module",
+	"scripts": {
+		"dev": "vite dev"
+	},
+	"devDependencies": {
+		"@cloudflare/vite-plugin": "*",
+		"vite": "^6.2.3"
+	}
+}

packages/vite-plugin-cloudflare/e2e/fixtures/invalid-worker-env-configs/vite.config.ts

@@ -0,0 +1,19 @@
+import { cloudflare } from "@cloudflare/vite-plugin";
+import { defineConfig } from "vite";
+
+export default defineConfig({
+	plugins: [
+		cloudflare({
+			inspectorPort: false,
+			persistState: false,
+			viteEnvironment: { name: "worker" },
+		}),
+	],
+	environments: {
+		worker: {
+			optimizeDeps: {
+				exclude: ["pkg"],
+			},
+		},
+	},
+});

packages/vite-plugin-cloudflare/e2e/fixtures/invalid-worker-env-configs/wrangler.toml

@@ -0,0 +1,3 @@
+name = "worker"
+main = "./index.js"
+compatibility_date = "2024-12-30"

packages/vite-plugin-cloudflare/e2e/invalid-worker-env-configs.test.ts

@@ -0,0 +1,18 @@
+import { describe } from "vitest";
+import { test } from "./helpers.js";
+
+// Note: the test here just makes sure that the validation does take place, for more fine grained
+//       testing regarding the validation there are unit tests in src/__tests__/validate_worker_environments_resolved_configs.spec.ts
+
+describe("during development wrangler config files are validated", () => {
+	test("for the entry worker", async ({ expect, seed, viteDev }) => {
+		const projectPath = await seed("invalid-worker-env-configs", "pnpm");
+
+		const proc = viteDev(projectPath);
+
+		expect(await proc.exitCode).not.toBe(0);
+		expect(proc.stderr).toContain(
+			"The following environment configurations are incompatible with the Cloudflare vite plugin"
+		);
+	});
+});