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import { nextTick } from 'vue';
import * as Sentry from '@sentry/browser';
import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
import waitForPromises from 'helpers/wait_for_promises';
import StatusIcon from '~/vue_merge_request_widget/components/extensions/status_icon.vue';
import Widget from '~/vue_merge_request_widget/components/widget/widget.vue';
describe('MR Widget', () => {
let wrapper;
const findStatusIcon = () => wrapper.findComponent(StatusIcon);
const createComponent = ({ propsData, slots } = {}) => {
wrapper = shallowMountExtended(Widget, {
propsData: {
loadingText: 'Loading widget',
widgetName: 'MyWidget',
value: {
collapsed: null,
expanded: null,
},
...propsData,
},
slots,
});
};
afterEach(() => {
wrapper.destroy();
});
describe('on mount', () => {
it('fetches collapsed', async () => {
const fetchCollapsedData = jest
.fn()
.mockReturnValue(Promise.resolve({ headers: {}, status: 200, data: {} }));
createComponent({ propsData: { fetchCollapsedData } });
await waitForPromises();
expect(fetchCollapsedData).toHaveBeenCalled();
expect(wrapper.vm.error).toBe(null);
});
it('sets the error text when fetch method fails', async () => {
const fetchCollapsedData = jest.fn().mockReturnValue(() => Promise.reject());
createComponent({ propsData: { fetchCollapsedData } });
await waitForPromises();
expect(wrapper.vm.error).toBe('Failed to load');
});
it('displays loading icon until request is made and then displays status icon when the request is complete', async () => {
const fetchCollapsedData = jest
.fn()
.mockReturnValue(Promise.resolve({ headers: {}, status: 200, data: {} }));
createComponent({ propsData: { fetchCollapsedData, statusIconName: 'warning' } });
// Let on mount be called
await nextTick();
expect(findStatusIcon().props('isLoading')).toBe(true);
// Wait until `fetchCollapsedData` is resolved
await waitForPromises();
expect(findStatusIcon().props('isLoading')).toBe(false);
expect(findStatusIcon().props('iconName')).toBe('warning');
});
it('displays the loading text', async () => {
const fetchCollapsedData = jest.fn().mockReturnValue(() => Promise.reject());
createComponent({ propsData: { fetchCollapsedData, statusIconName: 'warning' } });
expect(wrapper.text()).not.toContain('Loading');
await nextTick();
expect(wrapper.text()).toContain('Loading');
});
});
describe('fetch', () => {
it('sets the data.collapsed property after a successfull call - multiPolling: false', async () => {
const mockData = { headers: {}, status: 200, data: { vulnerabilities: [] } };
createComponent({ propsData: { fetchCollapsedData: async () => mockData } });
await waitForPromises();
expect(wrapper.emitted('input')[0][0]).toEqual({ collapsed: mockData.data, expanded: null });
});
it('sets the data.collapsed property after a successfull call - multiPolling: true', async () => {
const mockData1 = { headers: {}, status: 200, data: { vulnerabilities: [{ vuln: 1 }] } };
const mockData2 = { headers: {}, status: 200, data: { vulnerabilities: [{ vuln: 2 }] } };
createComponent({
propsData: {
multiPolling: true,
fetchCollapsedData: () => [
() => Promise.resolve(mockData1),
() => Promise.resolve(mockData2),
],
},
});
await waitForPromises();
expect(wrapper.emitted('input')[0][0]).toEqual({
collapsed: [mockData1.data, mockData2.data],
expanded: null,
});
});
it('calls sentry when failed', async () => {
const error = new Error('Something went wrong');
jest.spyOn(Sentry, 'captureException').mockImplementation();
createComponent({
propsData: {
fetchCollapsedData: async () => Promise.reject(error),
},
});
await waitForPromises();
expect(wrapper.emitted('input')).toBeUndefined();
expect(Sentry.captureException).toHaveBeenCalledWith(error);
});
});
describe('content', () => {
it('displays summary property when summary slot is not provided', () => {
createComponent({
propsData: {
summary: 'Hello world',
fetchCollapsedData: async () => Promise.resolve(),
},
});
expect(wrapper.findByTestId('widget-extension-top-level-summary').text()).toBe('Hello world');
});
it.todo('displays content property when content slot is not provided');
it('displays the summary slot when provided', () => {
createComponent({
propsData: {
fetchCollapsedData: async () => Promise.resolve(),
},
slots: {
summary: '<b>More complex summary</b>',
},
});
expect(wrapper.findByTestId('widget-extension-top-level-summary').text()).toBe(
'More complex summary',
);
});
it('displays the content slot when provided', () => {
createComponent({
propsData: {
fetchCollapsedData: async () => Promise.resolve(),
},
slots: {
content: '<b>More complex content</b>',
},
});
expect(wrapper.findByTestId('widget-extension-collapsed-section').text()).toBe(
'More complex content',
);
});
});
});
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