1 files changed, 46 insertions, 0 deletions
diff --git a/spec/frontend/lib/gfm/index_spec.js b/spec/frontend/lib/gfm/index_spec.js
new file mode 100644
index 00000000000..5c72b5a51a7
--- /dev/null
+++ b/spec/frontend/lib/gfm/index_spec.js
@@ -0,0 +1,46 @@
+import { render } from '~/lib/gfm';
+
+describe('gfm', () => {
+  describe('render', () => {
+    it('processes Commonmark and provides an ast to the renderer function', async () => {
+      let result;
+
+      await render({
+        markdown: 'This is text',
+        renderer: (tree) => {
+          result = tree;
+        },
+      });
+
+      expect(result.type).toBe('root');
+    });
+
+    it('transforms raw HTML into individual nodes in the AST', async () => {
+      let result;
+
+      await render({
+        markdown: '<strong>This is bold text</strong>',
+        renderer: (tree) => {
+          result = tree;
+        },
+      });
+
+      expect(result.children[0].children[0]).toMatchObject({
+        type: 'element',
+        tagName: 'strong',
+        properties: {},
+      });
+    });
+
+    it('returns the result of executing the renderer function', async () => {
+      const result = await render({
+        markdown: '<strong>This is bold text</strong>',
+        renderer: () => {
+          return 'rendered tree';
+        },
+      });
+
+      expect(result).toBe('rendered tree');
+    });
+  });
+});