Refactored Karma spec to Jest for mr_widget_auto_merge_failed

1 files changed, 55 insertions, 0 deletions

diff --git a/spec/frontend/vue_mr_widget/components/states/mr_widget_auto_merge_failed_spec.js b/spec/frontend/vue_mr_widget/components/states/mr_widget_auto_merge_failed_spec.js
new file mode 100644
index 00000000000..1f4d1e17ea0
--- /dev/null
+++ b/spec/frontend/vue_mr_widget/components/states/mr_widget_auto_merge_failed_spec.js
@@ -0,0 +1,55 @@
+import { shallowMount } from '@vue/test-utils';
+import { GlLoadingIcon } from '@gitlab/ui';
+import AutoMergeFailedComponent from '~/vue_merge_request_widget/components/states/mr_widget_auto_merge_failed.vue';
+import eventHub from '~/vue_merge_request_widget/event_hub';
+
+describe('MRWidgetAutoMergeFailed', () => {
+  let wrapper;
+  const mergeError = 'This is the merge error';
+  const findButton = () => wrapper.find('button');
+
+  const createComponent = (props = {}) => {
+    wrapper = shallowMount(AutoMergeFailedComponent, {
+      sync: false,
+      propsData: { ...props },
+    });
+  };
+
+  beforeEach(() => {
+    createComponent({
+      mr: { mergeError },
+    });
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('renders failed message', () => {
+    expect(wrapper.text()).toContain('This merge request failed to be merged automatically');
+  });
+
+  it('renders merge error provided', () => {
+    expect(wrapper.text()).toContain(mergeError);
+  });
+
+  it('render refresh button', () => {
+    expect(findButton().text()).toEqual('Refresh');
+  });
+
+  it('emits event and shows loading icon when button is clicked', () => {
+    jest.spyOn(eventHub, '$emit');
+    findButton().trigger('click');
+
+    expect(eventHub.$emit.mock.calls[0][0]).toBe('MRWidgetUpdateRequested');
+
+    return wrapper.vm.$nextTick(() => {
+      expect(findButton().attributes('disabled')).toEqual('disabled');
+      expect(
+        findButton()
+          .find(GlLoadingIcon)
+          .exists(),
+      ).toBe(true);
+    });
+  });
+});