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import { nextTick } from 'vue';
import { GlCollapsibleListbox } from '@gitlab/ui';
import MockAdapter from 'axios-mock-adapter';
import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
import axios from '~/lib/utils/axios_utils';
import { createAlert } from '~/flash';
import GroupSelect from '~/vue_shared/components/group_select/group_select.vue';
import {
TOGGLE_TEXT,
FETCH_GROUPS_ERROR,
FETCH_GROUP_ERROR,
QUERY_TOO_SHORT_MESSAGE,
} from '~/vue_shared/components/group_select/constants';
import waitForPromises from 'helpers/wait_for_promises';
jest.mock('~/flash');
describe('GroupSelect', () => {
let wrapper;
let mock;
// Mocks
const groupMock = {
full_name: 'selectedGroup',
id: '1',
};
const groupEndpoint = `/api/undefined/groups/${groupMock.id}`;
// Props
const inputName = 'inputName';
const inputId = 'inputId';
// Finders
const findListbox = () => wrapper.findComponent(GlCollapsibleListbox);
const findInput = () => wrapper.findByTestId('input');
// Helpers
const createComponent = ({ props = {} } = {}) => {
wrapper = shallowMountExtended(GroupSelect, {
propsData: {
inputName,
inputId,
...props,
},
});
};
const openListbox = () => findListbox().vm.$emit('shown');
const search = (searchString) => findListbox().vm.$emit('search', searchString);
const createComponentWithGroups = () => {
mock.onGet('/api/undefined/groups.json').reply(200, [groupMock]);
createComponent();
openListbox();
return waitForPromises();
};
const selectGroup = () => {
findListbox().vm.$emit('select', groupMock.id);
return nextTick();
};
beforeEach(() => {
mock = new MockAdapter(axios);
});
afterEach(() => {
mock.restore();
});
describe('on mount', () => {
it('fetches groups when the listbox is opened', async () => {
createComponent();
await waitForPromises();
expect(mock.history.get).toHaveLength(0);
openListbox();
await waitForPromises();
expect(mock.history.get).toHaveLength(1);
});
describe('with an initial selection', () => {
it('if the selected group is not part of the fetched list, fetches it individually', async () => {
mock.onGet(groupEndpoint).reply(200, groupMock);
createComponent({ props: { initialSelection: groupMock.id } });
await waitForPromises();
expect(mock.history.get).toHaveLength(1);
expect(findListbox().props('toggleText')).toBe(groupMock.full_name);
});
it('show an error if fetching the individual group fails', async () => {
mock
.onGet('/api/undefined/groups.json')
.reply(200, [{ full_name: 'notTheSelectedGroup', id: '2' }]);
mock.onGet(groupEndpoint).reply(500);
createComponent({ props: { initialSelection: groupMock.id } });
await waitForPromises();
expect(createAlert).toHaveBeenCalledWith({
message: FETCH_GROUP_ERROR,
error: expect.any(Error),
parent: wrapper.vm.$el,
});
});
});
});
it('shows an error when fetching groups fails', async () => {
mock.onGet('/api/undefined/groups.json').reply(500);
createComponent();
openListbox();
await waitForPromises();
expect(createAlert).toHaveBeenCalledWith({
message: FETCH_GROUPS_ERROR,
error: expect.any(Error),
parent: wrapper.vm.$el,
});
});
describe('selection', () => {
it('uses the default toggle text while no group is selected', async () => {
await createComponentWithGroups();
expect(findListbox().props('toggleText')).toBe(TOGGLE_TEXT);
});
describe('once a group is selected', () => {
it(`uses the selected group's name as the toggle text`, async () => {
await createComponentWithGroups();
await selectGroup();
expect(findListbox().props('toggleText')).toBe(groupMock.full_name);
});
it(`uses the selected group's ID as the listbox' and input value`, async () => {
await createComponentWithGroups();
await selectGroup();
expect(findListbox().attributes('selected')).toBe(groupMock.id);
expect(findInput().attributes('value')).toBe(groupMock.id);
});
it(`on reset, falls back to the default toggle text`, async () => {
await createComponentWithGroups();
await selectGroup();
findListbox().vm.$emit('reset');
await nextTick();
expect(findListbox().props('toggleText')).toBe(TOGGLE_TEXT);
});
});
});
describe('search', () => {
it('sets `searching` to `true` when first opening the dropdown', async () => {
createComponent();
expect(findListbox().props('searching')).toBe(false);
openListbox();
await nextTick();
expect(findListbox().props('searching')).toBe(true);
});
it('sets `searching` to `true` while searching', async () => {
await createComponentWithGroups();
expect(findListbox().props('searching')).toBe(false);
search('foo');
await nextTick();
expect(findListbox().props('searching')).toBe(true);
});
it('fetches groups matching the search string', async () => {
const searchString = 'searchString';
await createComponentWithGroups();
expect(mock.history.get).toHaveLength(1);
search(searchString);
await waitForPromises();
expect(mock.history.get).toHaveLength(2);
expect(mock.history.get[1].params).toStrictEqual({ search: searchString });
});
it('shows a notice if the search query is too short', async () => {
const searchString = 'a';
await createComponentWithGroups();
search(searchString);
await waitForPromises();
expect(mock.history.get).toHaveLength(1);
expect(findListbox().props('noResultsText')).toBe(QUERY_TOO_SHORT_MESSAGE);
});
});
});
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