1 files changed, 12 insertions, 0 deletions
diff --git a/spec/frontend/content_editor/extensions/frontmatter_spec.js b/spec/frontend/content_editor/extensions/frontmatter_spec.js
index 4f80c2cb81a..9bd29070858 100644
--- a/spec/frontend/content_editor/extensions/frontmatter_spec.js
+++ b/spec/frontend/content_editor/extensions/frontmatter_spec.js
@@ -22,6 +22,10 @@ describe('content_editor/extensions/frontmatter', () => {
     }));
   });
 
+  it('inherits from code block highlight extension', () => {
+    expect(Frontmatter.parent).toBe(CodeBlockHighlight);
+  });
+
   it('does not insert a frontmatter block when executing code block input rule', () => {
     const expectedDoc = doc(codeBlock({ language: 'plaintext' }, ''));
     const inputRuleText = '``` ';
@@ -31,6 +35,14 @@ describe('content_editor/extensions/frontmatter', () => {
     expect(tiptapEditor.getJSON()).toEqual(expectedDoc.toJSON());
   });
 
+  it('sets isFrontmatter attribute to true by default', () => {
+    expect(Frontmatter.config.addAttributes()).toEqual(
+      expect.objectContaining({
+        isFrontmatter: { default: true },
+      }),
+    );
+  });
+
   it.each`
     command                | result                        | resultDesc
     ${'toggleCodeBlock'}   | ${() => doc(codeBlock(''))}   | ${'code block element'}