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import Vue, { nextTick } from 'vue';
import VueApollo from 'vue-apollo';
import { GlDropdown, GlSearchBoxByType, GlDropdownItem, GlSprintf } from '@gitlab/ui';
import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
import BranchDropdown, {
i18n,
} from '~/projects/settings/branch_rules/components/branch_dropdown.vue';
import createMockApollo from 'helpers/mock_apollo_helper';
import branchesQuery from '~/projects/settings/branch_rules/queries/branches.query.graphql';
import waitForPromises from 'helpers/wait_for_promises';
import { createAlert } from '~/flash';
Vue.use(VueApollo);
jest.mock('~/flash');
describe('Branch dropdown', () => {
let wrapper;
const projectPath = 'test/project';
const value = 'main';
const mockBranchNames = ['test 1', 'test 2'];
const createComponent = async ({ branchNames = mockBranchNames, resolver } = {}) => {
const mockResolver =
resolver ||
jest.fn().mockResolvedValue({
data: { project: { id: '1', repository: { branchNames } } },
});
const apolloProvider = createMockApollo([[branchesQuery, mockResolver]]);
wrapper = shallowMountExtended(BranchDropdown, {
apolloProvider,
propsData: { projectPath, value },
});
await waitForPromises();
};
const findGlDropdown = () => wrapper.findComponent(GlDropdown);
const findAllBranches = () => wrapper.findAllComponents(GlDropdownItem);
const findNoDataMsg = () => wrapper.findByTestId('no-data');
const findGlSearchBoxByType = () => wrapper.findComponent(GlSearchBoxByType);
const findWildcardButton = () => wrapper.findByTestId('create-wildcard-button');
const findHelpText = () => wrapper.findComponent(GlSprintf);
const setSearchTerm = (searchTerm) => findGlSearchBoxByType().vm.$emit('input', searchTerm);
beforeEach(() => createComponent());
afterEach(() => {
wrapper.destroy();
});
it('renders a GlDropdown component with the correct props', () => {
expect(findGlDropdown().props()).toMatchObject({ text: value });
});
it('renders GlDropdownItem components for each branch', () => {
expect(findAllBranches().length).toBe(mockBranchNames.length);
mockBranchNames.forEach((branchName, index) =>
expect(findAllBranches().at(index).text()).toBe(branchName),
);
});
it('emits `select` with the branch name when a branch is clicked', () => {
findAllBranches().at(0).vm.$emit('click');
expect(wrapper.emitted('input')).toEqual([[mockBranchNames[0]]]);
});
describe('branch searching', () => {
it('displays a message if no branches can be found', async () => {
await createComponent({ branchNames: [] });
expect(findNoDataMsg().text()).toBe(i18n.noMatch);
});
it('displays a loading state while search request is in flight', async () => {
setSearchTerm('test');
await nextTick();
expect(findGlSearchBoxByType().props()).toMatchObject({ isLoading: true });
});
it('renders a wildcard button', async () => {
const searchTerm = 'test-*';
setSearchTerm(searchTerm);
await nextTick();
expect(findWildcardButton().exists()).toBe(true);
findWildcardButton().vm.$emit('click');
expect(wrapper.emitted('createWildcard')).toEqual([[searchTerm]]);
});
it('renders help text', () => {
expect(findHelpText().attributes('message')).toBe(i18n.branchHelpText);
});
});
it('displays an error message if fetch failed', async () => {
const error = new Error('an error occurred');
const resolver = jest.fn().mockRejectedValueOnce(error);
await createComponent({ resolver });
expect(createAlert).toHaveBeenCalledWith({
message: i18n.fetchBranchesError,
captureError: true,
error,
});
});
});
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