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import { shallowMount } from '@vue/test-utils';
import DiffStats from '~/diffs/components/diff_stats.vue';
import Icon from '~/vue_shared/components/icon.vue';
const TEST_ADDED_LINES = 100;
const TEST_REMOVED_LINES = 200;
const DIFF_FILES_COUNT = '300';
const DIFF_FILES_COUNT_TRUNCATED = '300+';
describe('diff_stats', () => {
let wrapper;
const createComponent = (props = {}) => {
wrapper = shallowMount(DiffStats, {
propsData: {
addedLines: TEST_ADDED_LINES,
removedLines: TEST_REMOVED_LINES,
...props,
},
});
};
describe('diff stats group', () => {
const findDiffStatsGroup = () => wrapper.findAll('.diff-stats-group');
it('is not rendered if diffFilesCountText is empty', () => {
createComponent();
expect(findDiffStatsGroup().length).toBe(2);
});
it('is not rendered if diffFilesCountText is not a number', () => {
createComponent({
diffFilesCountText: null,
});
expect(findDiffStatsGroup().length).toBe(2);
});
});
describe('line changes', () => {
const findFileLine = name => wrapper.find(name);
it('shows the amount of lines added', () => {
expect(findFileLine('.js-file-addition-line').text()).toBe(TEST_ADDED_LINES.toString());
});
it('shows the amount of lines removed', () => {
expect(findFileLine('.js-file-deletion-line').text()).toBe(TEST_REMOVED_LINES.toString());
});
});
describe('files changes', () => {
const findIcon = name =>
wrapper
.findAll(Icon)
.filter(c => c.attributes('name') === name)
.at(0).element.parentNode;
it('shows amount of file changed with plural "files" when 0 files has changed', () => {
const oneFileChanged = '0';
createComponent({
diffFilesCountText: oneFileChanged,
});
expect(findIcon('doc-code').textContent.trim()).toBe(`${oneFileChanged} files`);
});
it('shows amount of file changed with singular "file" when 1 file is changed', () => {
const oneFileChanged = '1';
createComponent({
diffFilesCountText: oneFileChanged,
});
expect(findIcon('doc-code').textContent.trim()).toBe(`${oneFileChanged} file`);
});
it('shows amount of files change with plural "files" when multiple files are changed', () => {
createComponent({
diffFilesCountText: DIFF_FILES_COUNT,
});
expect(findIcon('doc-code').textContent.trim()).toContain(`${DIFF_FILES_COUNT} files`);
});
it('shows amount of files change with plural "files" when files changed is truncated', () => {
createComponent({
diffFilesCountText: DIFF_FILES_COUNT_TRUNCATED,
});
expect(findIcon('doc-code').textContent.trim()).toContain(
`${DIFF_FILES_COUNT_TRUNCATED} files`,
);
});
});
});
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