131 lines
4.4 KiB
JavaScript
131 lines
4.4 KiB
JavaScript
import {
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updateChangesTabCount,
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getDerivedMergeRequestInformation,
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} from '~/diffs/utils/merge_request';
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import { ZERO_CHANGES_ALT_DISPLAY } from '~/diffs/constants';
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import { diffMetadata } from '../mock_data/diff_metadata';
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describe('Merge Request utilities', () => {
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const derivedBaseInfo = {
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mrPath: '/gitlab-org/gitlab-test/-/merge_requests/4',
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namespace: 'gitlab-org',
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project: 'gitlab-test',
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id: '4',
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};
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const derivedVersionInfo = {
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diffId: '4',
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startSha: 'eb227b3e214624708c474bdab7bde7afc17cefcc',
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};
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const noVersion = {
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diffId: undefined,
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startSha: undefined,
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};
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const unparseableEndpoint = {
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mrPath: undefined,
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namespace: undefined,
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project: undefined,
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id: undefined,
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...noVersion,
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};
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describe('updateChangesTabCount', () => {
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let dummyTab;
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let badge;
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beforeEach(() => {
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dummyTab = document.createElement('div');
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dummyTab.classList.add('js-diffs-tab');
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dummyTab.insertAdjacentHTML('afterbegin', '<span class="gl-badge">ERROR</span>');
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badge = dummyTab.querySelector('.gl-badge');
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});
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afterEach(() => {
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dummyTab.remove();
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dummyTab = null;
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badge = null;
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});
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it('uses the alt hyphen display when the new changes are falsey', () => {
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updateChangesTabCount({ count: 0, badge });
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expect(dummyTab.textContent).toBe(ZERO_CHANGES_ALT_DISPLAY);
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updateChangesTabCount({ badge });
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expect(dummyTab.textContent).toBe(ZERO_CHANGES_ALT_DISPLAY);
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updateChangesTabCount({ count: false, badge });
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expect(dummyTab.textContent).toBe(ZERO_CHANGES_ALT_DISPLAY);
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});
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it('uses the actual value for display when the value is truthy', () => {
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updateChangesTabCount({ count: 42, badge });
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expect(dummyTab.textContent).toBe('42');
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updateChangesTabCount({ count: '999+', badge });
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expect(dummyTab.textContent).toBe('999+');
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});
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it('selects the proper element to modify by default', () => {
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document.body.insertAdjacentElement('afterbegin', dummyTab);
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updateChangesTabCount({ count: 42 });
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expect(dummyTab.textContent).toBe('42');
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});
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});
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describe('getDerivedMergeRequestInformation', () => {
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const bare = diffMetadata.latest_version_path;
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it.each`
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argument | response
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${{ endpoint: `${bare}.json?searchParam=irrelevant` }} | ${{ ...derivedBaseInfo, ...noVersion }}
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${{}} | ${unparseableEndpoint}
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${{ endpoint: undefined }} | ${unparseableEndpoint}
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${{ endpoint: null }} | ${unparseableEndpoint}
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`('generates the correct derived results based on $argument', ({ argument, response }) => {
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expect(getDerivedMergeRequestInformation(argument)).toStrictEqual(response);
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});
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describe('sub-group namespace', () => {
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it('extracts the entire namespace plus the project name', () => {
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const { namespace, project } = getDerivedMergeRequestInformation({
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endpoint: `/some/deep/path/of/groups${bare}`,
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});
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expect(namespace).toBe('some/deep/path/of/groups/gitlab-org');
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expect(project).toBe('gitlab-test');
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});
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});
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describe('version information', () => {
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it('still gets the correct derived information', () => {
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expect(
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getDerivedMergeRequestInformation({
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endpoint: diffMetadata.merge_request_diffs[0].compare_path,
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}),
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).toMatchObject(derivedBaseInfo);
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});
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it.each`
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url | versionPart
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${diffMetadata.merge_request_diffs[0].compare_path} | ${derivedVersionInfo}
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${`${bare}?diff_id=${derivedVersionInfo.diffId}`} | ${{ ...derivedVersionInfo, startSha: undefined }}
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${`${bare}?start_sha=${derivedVersionInfo.startSha}`} | ${{ ...derivedVersionInfo, diffId: undefined }}
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`(
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'generates the correct derived version information based on $url',
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({ url, versionPart }) => {
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expect(getDerivedMergeRequestInformation({ endpoint: url })).toMatchObject(versionPart);
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},
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);
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it('extracts nothing if there is no available version-like information in the URL', () => {
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expect(getDerivedMergeRequestInformation({ endpoint: bare })).toMatchObject(noVersion);
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});
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});
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});
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});
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