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import { shallowMount } from '@vue/test-utils';
import { nextTick } from 'vue';
import StatusIcon from '~/vue_merge_request_widget/components/mr_widget_status_icon.vue';
import MrWidgetFailedToMerge from '~/vue_merge_request_widget/components/states/mr_widget_failed_to_merge.vue';
import eventHub from '~/vue_merge_request_widget/event_hub';
describe('MRWidgetFailedToMerge', () => {
const dummyIntervalId = 1337;
let wrapper;
const createComponent = (props = {}, data = {}) => {
wrapper = shallowMount(MrWidgetFailedToMerge, {
propsData: {
mr: {
mergeError: 'Merge error happened',
},
...props,
},
data() {
return data;
},
});
};
beforeEach(() => {
jest.spyOn(eventHub, '$emit').mockImplementation(() => {});
jest.spyOn(window, 'setInterval').mockReturnValue(dummyIntervalId);
jest.spyOn(window, 'clearInterval').mockImplementation();
});
afterEach(() => {
wrapper.destroy();
});
describe('interval', () => {
it('sets interval to refresh', () => {
createComponent();
expect(window.setInterval).toHaveBeenCalledWith(wrapper.vm.updateTimer, 1000);
expect(wrapper.vm.intervalId).toBe(dummyIntervalId);
});
it('clears interval when destroying ', () => {
createComponent();
wrapper.destroy();
expect(window.clearInterval).toHaveBeenCalledWith(dummyIntervalId);
});
});
describe('mergeError', () => {
it('removes forced line breaks', async () => {
createComponent({ mr: { mergeError: 'contains<br />line breaks<br />' } });
await nextTick();
expect(wrapper.vm.mergeError).toBe('contains line breaks.');
});
});
describe('created', () => {
it('should disable polling', () => {
createComponent();
expect(eventHub.$emit).toHaveBeenCalledWith('DisablePolling');
});
});
describe('methods', () => {
describe('refresh', () => {
it('should emit event to request component refresh', () => {
createComponent();
expect(wrapper.vm.isRefreshing).toBe(false);
wrapper.vm.refresh();
expect(wrapper.vm.isRefreshing).toBe(true);
expect(eventHub.$emit).toHaveBeenCalledWith('MRWidgetUpdateRequested');
expect(eventHub.$emit).toHaveBeenCalledWith('EnablePolling');
});
});
describe('updateTimer', () => {
it('should update timer and emit event when timer end', () => {
createComponent();
jest.spyOn(wrapper.vm, 'refresh').mockImplementation(() => {});
expect(wrapper.vm.timer).toEqual(10);
for (let i = 0; i < 10; i += 1) {
expect(wrapper.vm.timer).toEqual(10 - i);
wrapper.vm.updateTimer();
}
expect(wrapper.vm.refresh).toHaveBeenCalled();
});
});
});
describe('while it is refreshing', () => {
it('renders Refresing now', async () => {
createComponent({}, { isRefreshing: true });
await nextTick();
expect(wrapper.find('.js-refresh-label').text().trim()).toBe('Refreshing now');
});
});
describe('while it is not regresing', () => {
beforeEach(() => {
createComponent();
});
it('renders warning icon and disabled merge button', () => {
expect(wrapper.find('.js-ci-status-icon-warning')).not.toBeNull();
expect(wrapper.find(StatusIcon).props('showDisabledButton')).toBe(true);
});
it('renders given error', () => {
expect(wrapper.find('.has-error-message').text().trim()).toBe('Merge error happened.');
});
it('renders refresh button', () => {
expect(
wrapper.find('[data-testid="merge-request-failed-refresh-button"]').text().trim(),
).toBe('Refresh now');
});
it('renders remaining time', () => {
expect(wrapper.find('.has-custom-error').text().trim()).toBe(
'Refreshing in 10 seconds to show the updated status...',
);
});
});
it('should just generic merge failed message if merge_error is not available', async () => {
createComponent({ mr: { mergeError: null } });
await nextTick();
expect(wrapper.text().trim()).toContain('Merge failed.');
expect(wrapper.text().trim()).not.toContain('Merge error happened.');
});
it('should show refresh label when refresh requested', async () => {
createComponent();
wrapper.vm.refresh();
await nextTick();
expect(wrapper.text().trim()).not.toContain('Merge failed. Refreshing');
expect(wrapper.text().trim()).toContain('Refreshing now');
});
});
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