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import Vue, { nextTick } from 'vue';
import VueApollo from 'vue-apollo';
import { GlAlert } from '@gitlab/ui';
import { shallowMount } from '@vue/test-utils';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import CreateWorkItem from '~/work_items/pages/create_work_item.vue';
import ItemTitle from '~/work_items/components/item_title.vue';
import { resolvers } from '~/work_items/graphql/resolvers';
Vue.use(VueApollo);
describe('Create work item component', () => {
let wrapper;
let fakeApollo;
const findAlert = () => wrapper.findComponent(GlAlert);
const findTitleInput = () => wrapper.findComponent(ItemTitle);
const findCreateButton = () => wrapper.find('[data-testid="create-button"]');
const findCancelButton = () => wrapper.find('[data-testid="cancel-button"]');
const createComponent = ({ data = {} } = {}) => {
fakeApollo = createMockApollo([], resolvers);
wrapper = shallowMount(CreateWorkItem, {
apolloProvider: fakeApollo,
data() {
return {
...data,
};
},
mocks: {
$router: {
go: jest.fn(),
push: jest.fn(),
},
},
});
};
afterEach(() => {
wrapper.destroy();
fakeApollo = null;
});
it('does not render error by default', () => {
createComponent();
expect(findAlert().exists()).toBe(false);
});
it('renders a disabled Create button when title input is empty', () => {
createComponent();
expect(findCreateButton().props('disabled')).toBe(true);
});
it('redirects to the previous page on Cancel button click', () => {
createComponent();
findCancelButton().vm.$emit('click');
expect(wrapper.vm.$router.go).toHaveBeenCalledWith(-1);
});
it('hides the alert on dismissing the error', async () => {
createComponent({ data: { error: true } });
expect(findAlert().exists()).toBe(true);
findAlert().vm.$emit('dismiss');
await nextTick();
expect(findAlert().exists()).toBe(false);
});
describe('when title input field has a text', () => {
beforeEach(async () => {
const mockTitle = 'Test title';
createComponent();
await findTitleInput().vm.$emit('title-input', mockTitle);
});
it('renders a non-disabled Create button', () => {
expect(findCreateButton().props('disabled')).toBe(false);
});
it('redirects to the work item page on successful mutation', async () => {
wrapper.find('form').trigger('submit');
await waitForPromises();
expect(wrapper.vm.$router.push).toHaveBeenCalled();
});
// TODO: write a proper test here when we have a backend implementation
it.todo('shows an alert on mutation error');
});
});
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