Test Milkdown Kusto language registration

Author: Marc Schlaeppi

ui/test/milkdown_code_languages.test.js

@@ -0,0 +1,23 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import {
+    kustoLanguage,
+    milkdownCodeLanguages,
+} from '../src/lib/milkdown_code_languages.js';
+
+test('registers Kusto in the Milkdown code-block language list', () => {
+    assert.equal(kustoLanguage.name, 'Kusto');
+    assert.deepEqual(kustoLanguage.alias, ['kql', 'kusto']);
+    assert.deepEqual(kustoLanguage.extensions, ['kql', 'kusto']);
+    assert.ok(kustoLanguage.support);
+    assert.equal(
+        milkdownCodeLanguages.filter((language) => language.name === 'Kusto').length,
+        1
+    );
+});
+
+test('preserves the standard CodeMirror language list', () => {
+    assert.ok(milkdownCodeLanguages.some((language) => language.name === 'JavaScript'));
+    assert.ok(milkdownCodeLanguages.some((language) => language.name === 'Python'));
+});