1 files changed, 26 insertions, 0 deletions
diff --git a/spec/frontend/ide/lib/languages/codeowners_spec.js b/spec/frontend/ide/lib/languages/codeowners_spec.js
new file mode 100644
index 00000000000..9b204190fdf
--- /dev/null
+++ b/spec/frontend/ide/lib/languages/codeowners_spec.js
@@ -0,0 +1,26 @@
+import { editor } from 'monaco-editor';
+import codeowners from '~/ide/lib/languages/codeowners';
+import { registerLanguages } from '~/ide/utils';
+
+describe('tokenization for CODEOWNERS files', () => {
+  beforeEach(() => {
+    registerLanguages(codeowners);
+  });
+
+  it.each([
+    ['## Foo bar comment', [[{ language: 'codeowners', offset: 0, type: 'comment.codeowners' }]]],
+    [
+      '/foo/bar @gsamsa',
+      [
+        [
+          { language: 'codeowners', offset: 0, type: 'regexp.codeowners' },
+          { language: 'codeowners', offset: 8, type: 'source.codeowners' },
+          { language: 'codeowners', offset: 9, type: 'variable.value.codeowners' },
+        ],
+      ],
+    ],
+    ['^[Section name]', [[{ language: 'codeowners', offset: 0, type: 'namespace.codeowners' }]]],
+  ])('%s', (string, tokens) => {
+    expect(editor.tokenize(string, 'codeowners')).toEqual(tokens);
+  });
+});