1 files changed, 86 insertions, 0 deletions
diff --git a/packages/integrations/deno/test/helpers.ts b/packages/integrations/deno/test/helpers.ts
new file mode 100644
index 000000000..4b65d210c
--- /dev/null
+++ b/packages/integrations/deno/test/helpers.ts
@@ -0,0 +1,86 @@
+import { fromFileUrl } from 'https://deno.land/std@0.110.0/path/mod.ts';
+import { assert } from "https://deno.land/std@0.158.0/testing/asserts.ts";
+import { readableStreamFromReader } from 'https://deno.land/std@0.142.0/streams/conversion.ts';
+
+const dir = new URL('./', import.meta.url);
+const defaultURL = new URL("http://localhost:8085/");
+
+export const defaultTestPermissions: Deno.PermissionOptions = {
+	read: true,
+	net: true,
+	run: true,
+	env: true
+};
+
+export declare type StartServerCallback = (url: URL) => Promise<void>;
+declare type ExitCallback = () => void;
+
+export async function runBuild(fixturePath: string) {
+	const proc = Deno.run({
+		cmd: ['node', '../../../../../astro/astro.js', 'build', '--silent'],
+		cwd: fromFileUrl(new URL(fixturePath, dir)),
+	});
+	try {
+		const status = await proc.status();
+		assert(status.success)
+	} finally {
+		proc.close();
+	}
+}
+
+export async function startModFromImport(baseUrl: URL): Promise<ExitCallback> {
+	const entryUrl = new URL('./dist/server/entry.mjs', baseUrl);
+	const mod = await import(entryUrl.toString());
+
+	if (!mod.running()) {
+		mod.start();
+	}
+
+	return () => mod.stop();
+}
+
+export async function startModFromSubprocess(baseUrl: URL): Promise<ExitCallback> {
+	const entryUrl = new URL('./dist/server/entry.mjs', baseUrl);
+	const proc = Deno.run({
+		cmd: ['deno', 'run', '--allow-env', '--allow-net', fromFileUrl(entryUrl)],
+		cwd: fromFileUrl(baseUrl),
+		stderr: 'piped',
+	});
+
+	const stderr = readableStreamFromReader(proc.stderr);
+	const dec = new TextDecoder();
+	for await (const bytes of stderr) {
+		const msg = dec.decode(bytes);
+		if (msg.includes(`Server running`)) {
+			break;
+		}
+	}
+
+	return () => proc.close();
+}
+
+export async function runBuildAndStartApp(fixturePath: string, cb: StartServerCallback) {
+	const url = new URL(fixturePath, dir);
+
+	await runBuild(fixturePath);
+	const stop = await startModFromImport(url);
+
+	try {
+		await cb(defaultURL);
+	} finally {
+		stop();
+	}
+}
+
+export async function runBuildAndStartAppFromSubprocess(fixturePath: string, cb: StartServerCallback) {
+	const url = new URL(fixturePath, dir);
+
+	await runBuild(fixturePath);
+	const stop = await startModFromSubprocess(url);
+
+	try {
+		await cb(defaultURL);
+	} finally {
+		stop();
+	}
+}