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import { GlDropdown, GlDropdownItem, GlIcon } from '@gitlab/ui';
import { shallowMount, createLocalVue } from '@vue/test-utils';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import BranchSwitcher from '~/pipeline_editor/components/file_nav/branch_switcher.vue';
import { DEFAULT_FAILURE } from '~/pipeline_editor/constants';
import { mockDefaultBranch, mockProjectBranches, mockProjectFullPath } from '../../mock_data';
const localVue = createLocalVue();
localVue.use(VueApollo);
describe('Pipeline editor branch switcher', () => {
let wrapper;
let mockApollo;
let mockAvailableBranchQuery;
const createComponentWithApollo = () => {
const resolvers = {
Query: {
project: mockAvailableBranchQuery,
},
};
mockApollo = createMockApollo([], resolvers);
wrapper = shallowMount(BranchSwitcher, {
localVue,
apolloProvider: mockApollo,
provide: {
projectFullPath: mockProjectFullPath,
},
data() {
return {
currentBranch: mockDefaultBranch,
};
},
});
};
const findDropdown = () => wrapper.findComponent(GlDropdown);
const findDropdownItems = () => wrapper.findAll(GlDropdownItem);
beforeEach(() => {
mockAvailableBranchQuery = jest.fn();
});
afterEach(() => {
wrapper.destroy();
});
describe('while querying', () => {
beforeEach(() => {
createComponentWithApollo();
});
it('does not render dropdown', () => {
expect(findDropdown().exists()).toBe(false);
});
});
describe('after querying', () => {
beforeEach(async () => {
mockAvailableBranchQuery.mockResolvedValue(mockProjectBranches);
createComponentWithApollo();
await waitForPromises();
});
it('query is called with correct variables', async () => {
expect(mockAvailableBranchQuery).toHaveBeenCalledTimes(1);
expect(mockAvailableBranchQuery).toHaveBeenCalledWith(
expect.anything(),
{
fullPath: mockProjectFullPath,
},
expect.anything(),
expect.anything(),
);
});
it('renders list of branches', () => {
expect(findDropdown().exists()).toBe(true);
expect(findDropdownItems()).toHaveLength(mockProjectBranches.repository.branches.length);
});
it('renders current branch at the top of the list with a check mark', () => {
const firstDropdownItem = findDropdownItems().at(0);
const icon = firstDropdownItem.findComponent(GlIcon);
expect(firstDropdownItem.text()).toBe(mockDefaultBranch);
expect(icon.exists()).toBe(true);
expect(icon.props('name')).toBe('check');
});
it('does not render check mark for other branches', () => {
const secondDropdownItem = findDropdownItems().at(1);
const icon = secondDropdownItem.findComponent(GlIcon);
expect(icon.classes()).toContain('gl-visibility-hidden');
});
});
describe('on fetch error', () => {
beforeEach(async () => {
mockAvailableBranchQuery.mockResolvedValue(new Error());
createComponentWithApollo();
await waitForPromises();
});
it('does not render dropdown', () => {
expect(findDropdown().exists()).toBe(false);
});
it('shows an error message', () => {
expect(wrapper.emitted('showError')).toBeDefined();
expect(wrapper.emitted('showError')[0]).toEqual([
{
reasons: [wrapper.vm.$options.i18n.fetchError],
type: DEFAULT_FAILURE,
},
]);
});
});
});
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