import SnippetHeader from '~/snippets/components/snippet_header.vue'; import DeleteSnippetMutation from '~/snippets/mutations/deleteSnippet.mutation.graphql'; import { ApolloMutation } from 'vue-apollo'; import { GlButton, GlModal } from '@gitlab/ui'; import { shallowMount } from '@vue/test-utils'; describe('Snippet header component', () => { let wrapper; const snippet = { snippet: { id: 'gid://gitlab/PersonalSnippet/50', title: 'The property of Thor', visibilityLevel: 'private', webUrl: 'http://personal.dev.null/42', userPermissions: { adminSnippet: true, updateSnippet: true, reportSnippet: false, }, project: null, author: { name: 'Thor Odinson', }, }, }; const mutationVariables = { mutation: DeleteSnippetMutation, variables: { id: snippet.snippet.id, }, }; const errorMsg = 'Foo bar'; const err = { message: errorMsg }; const resolveMutate = jest.fn(() => Promise.resolve()); const rejectMutation = jest.fn(() => Promise.reject(err)); const mutationTypes = { RESOLVE: resolveMutate, REJECT: rejectMutation, }; function createComponent({ loading = false, permissions = {}, mutationRes = mutationTypes.RESOLVE, } = {}) { const defaultProps = Object.assign({}, snippet); if (permissions) { Object.assign(defaultProps.snippet.userPermissions, { ...permissions, }); } const $apollo = { queries: { canCreateSnippet: { loading, }, }, mutate: mutationRes, }; wrapper = shallowMount(SnippetHeader, { mocks: { $apollo }, propsData: { ...defaultProps, }, stubs: { ApolloMutation, }, }); } afterEach(() => { wrapper.destroy(); }); it('renders itself', () => { createComponent(); expect(wrapper.find('.detail-page-header').exists()).toBe(true); }); it('renders action buttons based on permissions', () => { createComponent({ permissions: { adminSnippet: false, updateSnippet: false, }, }); expect(wrapper.findAll(GlButton).length).toEqual(0); createComponent({ permissions: { adminSnippet: true, updateSnippet: false, }, }); expect(wrapper.findAll(GlButton).length).toEqual(1); createComponent({ permissions: { adminSnippet: true, updateSnippet: true, }, }); expect(wrapper.findAll(GlButton).length).toEqual(2); createComponent({ permissions: { adminSnippet: true, updateSnippet: true, }, }); wrapper.setData({ canCreateSnippet: true, }); return wrapper.vm.$nextTick().then(() => { expect(wrapper.findAll(GlButton).length).toEqual(3); }); }); it('renders modal for deletion of a snippet', () => { createComponent(); expect(wrapper.find(GlModal).exists()).toBe(true); }); describe('Delete mutation', () => { const { location } = window; beforeEach(() => { delete window.location; window.location = { pathname: '', }; }); afterEach(() => { window.location = location; }); it('dispatches a mutation to delete the snippet with correct variables', () => { createComponent(); wrapper.vm.deleteSnippet(); expect(mutationTypes.RESOLVE).toHaveBeenCalledWith(mutationVariables); }); it('sets error message if mutation fails', () => { createComponent({ mutationRes: mutationTypes.REJECT }); expect(Boolean(wrapper.vm.errorMessage)).toBe(false); wrapper.vm.deleteSnippet(); return wrapper.vm.$nextTick().then(() => { expect(wrapper.vm.errorMessage).toEqual(errorMsg); }); }); it('closes modal and redirects to snippets listing in case of successful mutation', () => { createComponent(); wrapper.vm.closeDeleteModal = jest.fn(); wrapper.vm.deleteSnippet(); return wrapper.vm.$nextTick().then(() => { expect(wrapper.vm.closeDeleteModal).toHaveBeenCalled(); expect(window.location.pathname).toEqual('dashboard/snippets'); }); }); }); });