Blueprints: add unit tests to the rmdir step

packages/playground/blueprints/src/lib/steps/rmdir.spec.ts

@@ -0,0 +1,57 @@
+import { NodePHP } from '@php-wasm/node';
+import { RecommendedPHPVersion } from '@wp-playground/wordpress';
+import { rmdir } from './rmdir';
+
+describe('Blueprint step rmdir()', () => {
+	let php: NodePHP;
+	beforeEach(async () => {
+		php = await NodePHP.load(RecommendedPHPVersion);
+		php.mkdir('/php');
+	});
+
+	it('should remove a directory', async () => {
+		const directoryToRemove = '/php/dir';
+		php.mkdir(directoryToRemove);
+		await rmdir(php, {
+			path: directoryToRemove,
+		});
+		expect(php.fileExists(directoryToRemove)).toBe(false);
+	});
+
+	it('should remove a directory with a subdirectory', async () => {
+		const directoryToRemove = '/php/dir';
+		php.mkdir('/php/dir/subDir');
+		await rmdir(php, {
+			path: directoryToRemove,
+		});
+		expect(php.fileExists(directoryToRemove)).toBe(false);
+	});
+
+	it('should remove a directory with a file', async () => {
+		const directoryToRemove = '/php/dir';
+		php.mkdir(directoryToRemove);
+		php.writeFile(`/php/dir/file.php`, `<?php echo 'Hello World';`);
+		await rmdir(php, {
+			path: directoryToRemove,
+		});
+		expect(php.fileExists(directoryToRemove)).toBe(false);
+	});
+
+	it('should fail when the directory does not exist', async () => {
+		await expect(
+			rmdir(php, {
+				path: '/php/dir',
+			})
+		).rejects.toThrow(/There is no such file or directory/);
+	});
+
+	it('should fail when the directory is a file', async () => {
+		php.mkdir('/php/dir');
+		php.writeFile(`/php/dir/index.php`, `<?php echo 'Hello World';`);
+		await expect(
+			rmdir(php, {
+				path: '/php/dir/index.php',
+			})
+		).rejects.toThrow(/Not a directory or a symbolic link to a directory./);
+	});
+});