1 files changed, 29 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/components/rich_content_editor/services/build_custom_renderer_spec.js b/spec/frontend/vue_shared/components/rich_content_editor/services/build_custom_renderer_spec.js
new file mode 100644
index 00000000000..cafe53e6bb2
--- /dev/null
+++ b/spec/frontend/vue_shared/components/rich_content_editor/services/build_custom_renderer_spec.js
@@ -0,0 +1,29 @@
+import buildCustomHTMLRenderer from '~/vue_shared/components/rich_content_editor/services/build_custom_renderer';
+
+describe('Build Custom Renderer Service', () => {
+  describe('buildCustomHTMLRenderer', () => {
+    it('should return an object with the default renderer functions when lacking arguments', () => {
+      expect(buildCustomHTMLRenderer()).toEqual(
+        expect.objectContaining({
+          list: expect.any(Function),
+          text: expect.any(Function),
+        }),
+      );
+    });
+
+    it('should return an object with both custom and default renderer functions when passed customRenderers', () => {
+      const mockHtmlCustomRenderer = jest.fn();
+      const customRenderers = {
+        html: [mockHtmlCustomRenderer],
+      };
+
+      expect(buildCustomHTMLRenderer(customRenderers)).toEqual(
+        expect.objectContaining({
+          html: expect.any(Function),
+          list: expect.any(Function),
+          text: expect.any(Function),
+        }),
+      );
+    });
+  });
+});