100 lines
2.9 KiB
JavaScript
100 lines
2.9 KiB
JavaScript
import MockAdapter from 'axios-mock-adapter';
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import $ from 'jquery';
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import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
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import axios from '~/lib/utils/axios_utils';
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import { HTTP_STATUS_BAD_REQUEST, HTTP_STATUS_OK } from '~/lib/utils/http_status';
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import SingleFileDiff from '~/single_file_diff';
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describe('SingleFileDiff', () => {
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let mock = new MockAdapter(axios);
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const blobDiffPath = '/mock-path';
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beforeEach(() => {
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mock = new MockAdapter(axios);
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mock
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.onGet(blobDiffPath)
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.replyOnce(HTTP_STATUS_OK, { html: `<div class="diff-content">MOCKED</div>` });
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});
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afterEach(() => {
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mock.restore();
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resetHTMLFixture();
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});
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it('loads diff via axios exactly once for collapsed diffs', async () => {
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setHTMLFixture(`
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<div class="diff-file">
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<div class="js-file-title">
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MOCK TITLE
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</div>
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<div class="diff-content">
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<div class="diff-viewer" data-type="simple">
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<div
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class="nothing-here-block diff-collapsed"
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data-diff-for-path="${blobDiffPath}"
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>
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MOCK CONTENT
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</div>
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</div>
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</div>
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</div>
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`);
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// Collapsed is the default state
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const diff = new SingleFileDiff(document.querySelector('.diff-file'));
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expect(diff.isOpen).toBe(false);
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expect(diff.content).toBeNull();
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expect(diff.diffForPath).toEqual(blobDiffPath);
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// Opening for the first time
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await diff.toggleDiff($(document.querySelector('.js-file-title')));
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expect(diff.isOpen).toBe(true);
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expect(diff.content).not.toBeNull();
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// Collapsing again
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await diff.toggleDiff($(document.querySelector('.js-file-title')));
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expect(diff.isOpen).toBe(false);
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expect(diff.content).not.toBeNull();
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mock.onGet(blobDiffPath).replyOnce(HTTP_STATUS_BAD_REQUEST, '');
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// Opening again
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await diff.toggleDiff($(document.querySelector('.js-file-title')));
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expect(diff.isOpen).toBe(true);
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expect(diff.content).not.toBeNull();
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expect(mock.history.get.length).toBe(1);
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});
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it('does not load diffs via axios for already expanded diffs', async () => {
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setHTMLFixture(`
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<div class="diff-file">
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<div class="js-file-title">
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MOCK TITLE
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</div>
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<div class="diff-content">
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EXPANDED MOCK CONTENT
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</div>
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</div>
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`);
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// Opened is the default state
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const diff = new SingleFileDiff(document.querySelector('.diff-file'));
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expect(diff.isOpen).toBe(true);
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expect(diff.content).not.toBeNull();
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expect(diff.diffForPath).toEqual(undefined);
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// Collapsing for the first time
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await diff.toggleDiff($(document.querySelector('.js-file-title')));
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expect(diff.isOpen).toBe(false);
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expect(diff.content).not.toBeNull();
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// Opening again
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await diff.toggleDiff($(document.querySelector('.js-file-title')));
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expect(diff.isOpen).toBe(true);
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expect(mock.history.get.length).toBe(0);
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});
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});
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