import { shallowMount, mount } from '@vue/test-utils'; import { GlButton } from '@gitlab/ui'; import eventHub from '~/environments/event_hub'; import RollbackComponent from '~/environments/components/environment_rollback.vue'; describe('Rollback Component', () => { const retryUrl = 'https://gitlab.com/retry'; it('Should render Re-deploy label when isLastDeployment is true', () => { const wrapper = mount(RollbackComponent, { propsData: { retryUrl, isLastDeployment: true, environment: {}, }, }); expect(wrapper.element).toHaveSpriteIcon('repeat'); }); it('Should render Rollback label when isLastDeployment is false', () => { const wrapper = mount(RollbackComponent, { propsData: { retryUrl, isLastDeployment: false, environment: {}, }, }); expect(wrapper.element).toHaveSpriteIcon('redo'); }); it('should emit a "rollback" event on button click', () => { const eventHubSpy = jest.spyOn(eventHub, '$emit'); const wrapper = shallowMount(RollbackComponent, { propsData: { retryUrl, environment: { name: 'test', }, }, }); const button = wrapper.find(GlButton); button.vm.$emit('click'); expect(eventHubSpy).toHaveBeenCalledWith('requestRollbackEnvironment', { retryUrl, isLastDeployment: true, name: 'test', }); }); });