add testing

lib/micromark/list.ts

@@ -208,6 +208,8 @@ export function attributeList(options?: Options): Construct {
 
 			if (code === codes.dot || code === codes.numberSign) {
 				if (options?.allowNoSpaceBeforeName) {
+					effects.exit('classNameAttributeName');
+					effects.exit('classNameAttribute');
 					return next(code);
 				}
 

test/options.js

@@ -0,0 +1,70 @@
+import {test} from 'node:test';
+import assert from 'node:assert';
+import {unified} from 'unified';
+import remarkParse from 'remark-parse';
+import {removePosition} from 'unist-util-remove-position';
+import {u} from 'unist-builder';
+import remarkAttributeList from '../dist/index.js';
+
+const processor = unified().use(remarkParse).use(remarkAttributeList, {
+	allowNoSpaceBeforeName: true,
+	allowUnderscoreInId: true,
+});
+
+/**
+ * @param {string} source
+ */
+function parse(source) {
+	const parsed = processor.parse(source);
+	removePosition(parsed, {force: true});
+	return parsed;
+}
+
+await test('parsing with options', async (t) => {
+	await t.test(
+		'should parse attribute list without space before name',
+		async () => {
+			assert.deepStrictEqual(
+				parse('{:name:.cls1.cls2}\n'),
+				u('root', [
+					u('attributeListDefinition', {name: 'name'}, [
+						u('classNameAttribute', {name: 'cls1'}),
+						u('classNameAttribute', {name: 'cls2'}),
+					]),
+				]),
+			);
+			assert.deepStrictEqual(
+				parse('{:#id.cls1}\n'),
+				u('root', [
+					u('blockInlineAttributeList', [
+						u('idNameAttribute', {name: 'id'}),
+						u('classNameAttribute', {name: 'cls1'}),
+					]),
+				]),
+			);
+			assert.deepStrictEqual(
+				parse('{:ref#id}\n'),
+				u('root', [
+					u('blockInlineAttributeList', [
+						u('referenceAttribute', {name: 'ref'}),
+						u('idNameAttribute', {name: 'id'}),
+					]),
+				]),
+			);
+		},
+	);
+
+	await t.test(
+		'should parse attribute list with underscore in ID',
+		async () => {
+			assert.deepStrictEqual(
+				parse('{:ref:#id_name}\n'),
+				u('root', [
+					u('attributeListDefinition', {name: 'ref'}, [
+						u('idNameAttribute', {name: 'id_name'}),
+					]),
+				]),
+			);
+		},
+	);
+});