1 files changed, 21 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/components/recaptcha_eventhub_spec.js b/spec/frontend/vue_shared/components/recaptcha_eventhub_spec.js
new file mode 100644
index 00000000000..d86d627886f
--- /dev/null
+++ b/spec/frontend/vue_shared/components/recaptcha_eventhub_spec.js
@@ -0,0 +1,21 @@
+import { eventHub, callbackName } from '~/vue_shared/components/recaptcha_eventhub';
+
+describe('reCAPTCHA event hub', () => {
+  // the following test case currently crashes
+  // see https://gitlab.com/gitlab-org/gitlab/issues/29192#note_217840035
+  // eslint-disable-next-line jest/no-disabled-tests
+  it.skip('throws an error for overriding the callback', () => {
+    expect(() => {
+      window[callbackName] = 'something';
+    }).toThrow();
+  });
+
+  it('triggering callback emits a submit event', () => {
+    const eventHandler = jest.fn();
+    eventHub.$once('submit', eventHandler);
+
+    window[callbackName]();
+
+    expect(eventHandler).toHaveBeenCalled();
+  });
+});