1 files changed, 63 insertions, 0 deletions
diff --git a/packages/create-astro/test/utils.js b/packages/create-astro/test/utils.js
new file mode 100644
index 000000000..dfae93c33
--- /dev/null
+++ b/packages/create-astro/test/utils.js
@@ -0,0 +1,63 @@
+import fs from 'node:fs';
+import { before, beforeEach } from 'node:test';
+import { stripVTControlCharacters } from 'node:util';
+import { setStdout } from '../dist/index.js';
+
+export function setup() {
+	const ctx = { messages: [] };
+	before(() => {
+		setStdout(
+			Object.assign({}, process.stdout, {
+				write(buf) {
+					ctx.messages.push(stripVTControlCharacters(String(buf)).trim());
+					return true;
+				},
+			}),
+		);
+	});
+	beforeEach(() => {
+		ctx.messages = [];
+	});
+
+	return {
+		messages() {
+			return ctx.messages;
+		},
+		length() {
+			return ctx.messages.length;
+		},
+		hasMessage(content) {
+			return !!ctx.messages.find((msg) => msg.includes(content));
+		},
+	};
+}
+
+const resetEmptyFixture = () =>
+	fs.promises.rm(new URL('./fixtures/empty/tsconfig.json', import.meta.url));
+
+const resetNotEmptyFixture = async () => {
+	const packagePath = new URL('./fixtures/not-empty/package.json', import.meta.url);
+	const tsconfigPath = new URL('./fixtures/not-empty/tsconfig.json', import.meta.url);
+
+	const packageJsonData = JSON.parse(
+		await fs.promises.readFile(packagePath, { encoding: 'utf-8' }),
+	);
+	const overriddenPackageJson = Object.assign(packageJsonData, {
+		scripts: {
+			dev: 'astro dev',
+			build: 'astro build',
+			preview: 'astro preview',
+		},
+		dependencies: undefined,
+	});
+
+	return Promise.all([
+		fs.promises.writeFile(packagePath, JSON.stringify(overriddenPackageJson, null, 2), {
+			encoding: 'utf-8',
+		}),
+		fs.promises.writeFile(tsconfigPath, '{}', { encoding: 'utf-8' }),
+	]);
+};
+
+export const resetFixtures = () =>
+	Promise.allSettled([resetEmptyFixture(), resetNotEmptyFixture()]);