Add latest changes from gitlab-org/gitlab@master

1 files changed, 20 insertions, 0 deletions

diff --git a/spec/frontend/vue_shared/components/todo_button_spec.js b/spec/frontend/vue_shared/components/todo_button_spec.js
index 8043bb7785b..3cb2911a5e5 100644
--- a/spec/frontend/vue_shared/components/todo_button_spec.js
+++ b/spec/frontend/vue_shared/components/todo_button_spec.js
@@ -4,6 +4,7 @@ import TodoButton from '~/vue_shared/components/todo_button.vue';
 
 describe('Todo Button', () => {
   let wrapper;
+  let dispatchEventSpy;
 
   const createComponent = (props = {}, mountFn = shallowMount) => {
     wrapper = mountFn(TodoButton, {
@@ -13,8 +14,17 @@ describe('Todo Button', () => {
     });
   };
 
+  beforeEach(() => {
+    dispatchEventSpy = jest.spyOn(document, 'dispatchEvent');
+    jest.spyOn(document, 'querySelector').mockReturnValue({
+      innerText: 2,
+    });
+  });
+
   afterEach(() => {
     wrapper.destroy();
+    dispatchEventSpy = null;
+    jest.clearAllMocks();
   });
 
   it('renders GlButton', () => {
@@ -30,6 +40,16 @@ describe('Todo Button', () => {
     expect(wrapper.emitted().click).toBeTruthy();
   });
 
+  it('calls dispatchDocumentEvent to update global To-Do counter correctly', () => {
+    createComponent({}, mount);
+    wrapper.find(GlButton).trigger('click');
+    const dispatchedEvent = dispatchEventSpy.mock.calls[0][0];
+
+    expect(dispatchEventSpy).toHaveBeenCalledTimes(1);
+    expect(dispatchedEvent.detail).toEqual({ count: 1 });
+    expect(dispatchedEvent.type).toBe('todo:toggle');
+  });
+
   it.each`
     label             | isTodo
     ${'Mark as done'} | ${true}