Remove some more containerisms

packages/astro/src/core/app/dev.ts

@@ -1,5 +1,7 @@
 import type { ComponentInstance, ManifestData, RouteData } from '../../@types/astro';
 import type { SSRManifest as Manifest } from './types';
+import { posix } from 'node:path';
+import { fileURLToPath } from 'node:url';
 import { createContainer, type CreateContainerParams } from '../dev/index.js';
 import { createViteLoader } from '../module-loader/index.js';
 import { createRouteManifest } from '../routing/index.js';
@@ -10,10 +12,9 @@ import {
 	type DevelopmentEnvironment
 } from '../render/dev/index.js';
 import {
-	createRenderContext,
 	renderPage as coreRenderPage
 } from '../render/index.js';
-import { App, MatchOptions } from './index.js';
+import { App } from './index.js';
 import { RenderContext, Environment } from '../render';
 
 export type DevAppParams = Partial<CreateContainerParams> & {
@@ -53,6 +54,14 @@ export class DevApp extends App {
 		return !!this.#container;
 	}
 
+	url(pathname: string): string | undefined {
+		if(!this.loaded) {
+			return undefined;
+		}
+		const { host, port } = this.#container!.settings.config.server
+		return new URL(pathname, `http://${host}:${port}`).toString();
+	}
+
 	async load() {
 		if(this.loaded) {
 			await this.close();
@@ -86,6 +95,19 @@ export class DevApp extends App {
 		await this.#container?.close();	
 	}
 
+	fileChanged(path: string) {
+		const container = this.#container!;
+		const fs = this.#createContainerParams.fs!;
+		const root = fileURLToPath(this.#root);
+		const fullPath = posix.join(root, path);
+		container.viteServer.watcher.emit('change', fullPath);
+
+		if (!fileURLToPath(container.settings.config.root).startsWith('/')) {
+			const drive = fileURLToPath(container.settings.config.root).slice(0, 2);
+			container.viteServer.watcher.emit('change', drive + fullPath);
+		}
+	}
+
 	async render(request: Request, route?: RouteData | undefined): Promise<Response> {
 		if(!this.loaded) {
 			await this.load();

packages/astro/test/units/dev/dev.test.js

@@ -1,6 +1,7 @@
 import { expect } from 'chai';
 import * as cheerio from 'cheerio';
 
+import { DevApp } from '../../../dist/core/app/dev.js';
 import { runInContainer } from '../../../dist/core/dev/index.js';
 import { createFs, createRequestAndResponse, triggerFSEvent } from '../test-utils.js';
 
@@ -25,17 +26,21 @@ describe('dev container', () => {
 			root
 		);
 
-		await runInContainer({ fs, root }, async (container) => {
-			const { req, res, text } = createRequestAndResponse({
-				method: 'GET',
-				url: '/',
-			});
-			container.handle(req, res);
-			const html = await text();
+		const app = new DevApp({ fs, root });
+		try {
+			await app.load();
+			const request = new Request(app.url('/'));
+
+			const response = await app.render(request);
+			expect(response.status).to.equal(200);
+
+			const html = await response.text();
 			const $ = cheerio.load(html);
-			expect(res.statusCode).to.equal(200);
+			
 			expect($('h1')).to.have.a.lengthOf(1);
-		});
+		} finally {
+			await app.close();
+		}
 	});
 
 	it('HMR only short circuits on previously cached modules', async () => {
@@ -60,13 +65,14 @@ describe('dev container', () => {
 			root
 		);
 
-		await runInContainer({ fs, root }, async (container) => {
-			let r = createRequestAndResponse({
-				method: 'GET',
-				url: '/',
-			});
-			container.handle(r.req, r.res);
-			let html = await r.text();
+		const app = new DevApp({ fs, root });
+		try {
+			await app.load();
+
+			let request = new Request(app.url('/'));
+			let response = await app.render(request);
+
+			let html = await response.text();
 			let $ = cheerio.load(html);
 			expect($('body.one')).to.have.a.lengthOf(1);
 
@@ -76,7 +82,7 @@ describe('dev container', () => {
 				<h1>{Astro.props.title}</h1>
 			`
 			);
-			triggerFSEvent(container, fs, '/src/components/Header.astro', 'change');
+			app.fileChanged('/src/components/Header.astro');
 
 			fs.writeFileFromRootSync(
 				'/src/pages/index.astro',
@@ -93,18 +99,18 @@ describe('dev container', () => {
 				</html>
 			`
 			);
-			triggerFSEvent(container, fs, '/src/pages/index.astro', 'change');
+			app.fileChanged('/src/pages/index.astro');
 
-			r = createRequestAndResponse({
-				method: 'GET',
-				url: '/',
-			});
-			container.handle(r.req, r.res);
-			html = await r.text();
+			request = new Request(app.url('/'));
+			response = await app.render(request);
+			html = await response.text();
 			$ = cheerio.load(html);
 			expect($('body.one')).to.have.a.lengthOf(0);
 			expect($('body.two')).to.have.a.lengthOf(1);
-		});
+
+		} finally {
+			await app.close();
+		}
 	});
 
 	it('Allows dynamic segments in injected routes', async () => {