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import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
import SourceViewer from '~/vue_shared/components/source_viewer/source_viewer_new.vue';
import Chunk from '~/vue_shared/components/source_viewer/components/chunk_new.vue';
import { EVENT_ACTION, EVENT_LABEL_VIEWER } from '~/vue_shared/components/source_viewer/constants';
import Tracking from '~/tracking';
import LineHighlighter from '~/blob/line_highlighter';
import addBlobLinksTracking from '~/blob/blob_links_tracking';
import { BLOB_DATA_MOCK, CHUNK_1, CHUNK_2, LANGUAGE_MOCK } from './mock_data';
jest.mock('~/blob/line_highlighter');
jest.mock('~/blob/blob_links_tracking');
describe('Source Viewer component', () => {
let wrapper;
const CHUNKS_MOCK = [CHUNK_1, CHUNK_2];
const createComponent = () => {
wrapper = shallowMountExtended(SourceViewer, {
propsData: { blob: BLOB_DATA_MOCK, chunks: CHUNKS_MOCK },
});
};
const findChunks = () => wrapper.findAllComponents(Chunk);
beforeEach(() => {
jest.spyOn(Tracking, 'event');
return createComponent();
});
it('instantiates the lineHighlighter class', () => {
expect(LineHighlighter).toHaveBeenCalled();
});
describe('event tracking', () => {
it('fires a tracking event when the component is created', () => {
const eventData = { label: EVENT_LABEL_VIEWER, property: LANGUAGE_MOCK };
expect(Tracking.event).toHaveBeenCalledWith(undefined, EVENT_ACTION, eventData);
});
it('adds blob links tracking', () => {
expect(addBlobLinksTracking).toHaveBeenCalled();
});
});
describe('rendering', () => {
it('renders a Chunk component for each chunk', () => {
expect(findChunks().at(0).props()).toMatchObject(CHUNK_1);
expect(findChunks().at(1).props()).toMatchObject(CHUNK_2);
});
});
});
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