100 lines
3 KiB
JavaScript
100 lines
3 KiB
JavaScript
import { GlLoadingIcon, GlTable } from '@gitlab/ui';
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import { getAllByRole } from '@testing-library/dom';
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import { shallowMount, mount } from '@vue/test-utils';
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import { nextTick } from 'vue';
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import Papa from 'papaparse';
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import CsvViewer from '~/blob/csv/csv_viewer.vue';
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import PapaParseAlert from '~/vue_shared/components/papa_parse_alert.vue';
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const validCsv = 'one,two,three';
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const brokenCsv = '{\n "json": 1,\n "key": [1, 2, 3]\n}';
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describe('app/assets/javascripts/blob/csv/csv_viewer.vue', () => {
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let wrapper;
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const createComponent = ({
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csv = validCsv,
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remoteFile = false,
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mountFunction = shallowMount,
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} = {}) => {
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wrapper = mountFunction(CsvViewer, {
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propsData: {
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csv,
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remoteFile,
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},
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});
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};
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const findCsvTable = () => wrapper.findComponent(GlTable);
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const findLoadingIcon = () => wrapper.findComponent(GlLoadingIcon);
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const findAlert = () => wrapper.findComponent(PapaParseAlert);
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afterEach(() => {
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wrapper.destroy();
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});
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it('should render loading spinner', () => {
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createComponent();
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expect(findLoadingIcon().props()).toMatchObject({
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size: 'lg',
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});
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});
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describe('when the CSV contains errors', () => {
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it('should render alert with correct props', async () => {
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createComponent({ csv: brokenCsv });
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await nextTick;
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expect(findAlert().props()).toMatchObject({
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papaParseErrors: [{ code: 'UndetectableDelimiter' }],
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});
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});
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});
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describe('when the CSV contains no errors', () => {
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it('should not render alert', async () => {
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createComponent();
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await nextTick;
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expect(findAlert().exists()).toBe(false);
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});
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it('renders the CSV table with the correct attributes', async () => {
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createComponent();
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await nextTick;
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expect(findCsvTable().attributes()).toMatchObject({
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'empty-text': 'No CSV data to display.',
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items: validCsv,
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});
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});
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it('renders the CSV table with the correct content', async () => {
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createComponent({ mountFunction: mount });
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await nextTick;
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expect(getAllByRole(wrapper.element, 'row', { name: /One/i })).toHaveLength(1);
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expect(getAllByRole(wrapper.element, 'row', { name: /Two/i })).toHaveLength(1);
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expect(getAllByRole(wrapper.element, 'row', { name: /Three/i })).toHaveLength(1);
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});
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});
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describe('when csv prop is path and indicates a remote file', () => {
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it('should render call parse with download flag true', async () => {
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const path = 'path/to/remote/file.csv';
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jest.spyOn(Papa, 'parse').mockImplementation((_, { complete }) => {
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complete({ data: validCsv.split(','), errors: [] });
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});
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createComponent({ csv: path, remoteFile: true });
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expect(Papa.parse).toHaveBeenCalledWith(path, {
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download: true,
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skipEmptyLines: true,
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complete: expect.any(Function),
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});
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await nextTick;
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expect(wrapper.vm.items).toEqual(validCsv.split(','));
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});
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});
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});
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