add config redirect fixture with tests

fixtures/redirected-config-worker/.gitignore

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+dist

fixtures/redirected-config-worker/build/index.js

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+export default {
+	async fetch(request, env) {
+		return new Response("Generated: " + env.generated ?? false);
+	},
+};

fixtures/redirected-config-worker/build/wrangler.json

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+{
+  "name": "redirected-config-worker",
+  "compatibility_date": "2024-12-01",
+  "main": "index.js",
+  "vars": {
+    "generated": true
+  }
+}

fixtures/redirected-config-worker/package.json

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+{
+	"name": "redirected-config-worker",
+	"private": true,
+	"description": "",
+	"license": "ISC",
+	"author": "",
+	"main": "src/index.js",
+	"scripts": {
+		"build": "node -r esbuild-register tools/build.ts",
+		"check:type": "tsc",
+		"dev": "pnpm run build && wrangler dev",
+		"test:ci": "pnpm run build && vitest run"
+	},
+	"devDependencies": {
+		"@cloudflare/workers-tsconfig": "workspace:^",
+		"undici": "catalog:default",
+		"wrangler": "workspace:*"
+	},
+	"volta": {
+		"extends": "../../package.json"
+	}
+}

fixtures/redirected-config-worker/src/index.js

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+export default {
+	async fetch(request, env) {
+		return new Response("Generated: " + env.generated ?? false);
+	},
+};

fixtures/redirected-config-worker/tests/index.test.ts

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+import { resolve } from "path";
+import { fetch } from "undici";
+import { describe, it } from "vitest";
+import { runWranglerDev } from "../../shared/src/run-wrangler-long-lived";
+
+const basePath = resolve(__dirname, "..");
+
+describe("'wrangler dev' correctly renders pages", () => {
+	it("uses the generated config", async ({ expect, onTestFinished }) => {
+		const { ip, port, stop } = await runWranglerDev(basePath, [
+			"--port=0",
+			"--inspector-port=0",
+		]);
+		onTestFinished(async () => await stop?.());
+
+		// Note that the local protocol defaults to http
+		const response = await fetch(`http://${ip}:${port}/`);
+		const text = await response.text();
+		expect(response.status).toBe(200);
+		expect(text).toMatchInlineSnapshot(`"Generated: true"`);
+	});
+
+	it("uses a the config from command line rather than generated config", async ({
+		expect,
+		onTestFinished,
+	}) => {
+		const { ip, port, stop } = await runWranglerDev(basePath, [
+			"-c=wrangler.toml",
+			"--port=0",
+			"--inspector-port=0",
+		]);
+		onTestFinished(async () => await stop?.());
+
+		// Note that the local protocol defaults to http
+		const response = await fetch(`http://${ip}:${port}/`);
+		const text = await response.text();
+		expect(response.status).toBe(200);
+		expect(text).toMatchInlineSnapshot(`"Generated: undefined"`);
+	});
+});

fixtures/redirected-config-worker/tools/build.ts

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+import { copyFileSync, mkdirSync, rmSync, writeFileSync } from "fs";
+
+// Create a pseudo build directory
+rmSync("build", { recursive: true, force: true });
+mkdirSync("build");
+const config = {
+	name: "redirected-config-worker",
+	compatibility_date: "2024-12-01",
+	main: "index.js",
+	vars: { generated: true },
+};
+writeFileSync("build/wrangler.json", JSON.stringify(config, undefined, 2));
+copyFileSync("src/index.js", "build/index.js");
+
+// Create the redirect file
+rmSync(".wrangler/deploy", { recursive: true, force: true });
+mkdirSync(".wrangler/deploy", { recursive: true });
+const redirect = { configPath: "../../build/wrangler.json" };
+writeFileSync(
+	".wrangler/deploy/config.json",
+	JSON.stringify(redirect, undefined, 2)
+);

fixtures/redirected-config-worker/tsconfig.json

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+{
+	"compilerOptions": {
+		"target": "ES2020",
+		"esModuleInterop": true,
+		"module": "CommonJS",
+		"lib": ["ES2020"],
+		"types": ["node"],
+		"skipLibCheck": true,
+		"moduleResolution": "node",
+		"noEmit": true
+	},
+	"include": ["tests", "../../node-types.d.ts"]
+}

fixtures/redirected-config-worker/vitest.config.mts

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+import { defineProject, mergeConfig } from "vitest/config";
+import configShared from "../../vitest.shared";
+
+export default mergeConfig(
+	configShared,
+	defineProject({
+		test: {},
+	})
+);

fixtures/redirected-config-worker/wrangler.toml

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+name = "redirected-config-worker"
+compatibility_date = "2024-12-01"
+
+main = "src/index.js"