Commit 07a3a69c authored by Eric Eastwood's avatar Eric Eastwood

Fix error thrown with missing note fragment in DOM

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/32888

Reproduction:

 1. Visit /namespace/project/merge_requests/x/diffs#note_1234
 1. When `#note_1234` isn't in the diff, an error is thrown
parent 34a6d80e
......@@ -285,7 +285,7 @@ import BlobForkSuggestion from './blob/blob_fork_suggestion';
// Similar to `toggler_behavior` in the discussion tab
const hash = window.gl.utils.getLocationHash();
const anchor = hash && $container.find(`[id="${hash}"]`);
if (anchor) {
if (anchor && anchor.length > 0) {
const notesContent = anchor.closest('.notes_content');
const lineType = notesContent.hasClass('new') ? 'new' : 'old';
notes.toggleDiffNote({
......
/* eslint-disable no-var, comma-dangle, object-shorthand */
/* global Notes */
import '~/merge_request_tabs';
import '~/commit/pipelines/pipelines_bundle';
......@@ -7,6 +8,7 @@ import '~/lib/utils/common_utils';
import '~/diff';
import '~/single_file_diff';
import '~/files_comment_button';
import '~/notes';
import 'vendor/jquery.scrollTo';
(function () {
......@@ -29,7 +31,7 @@ import 'vendor/jquery.scrollTo';
};
$.extend(stubLocation, defaults, stubs || {});
};
preloadFixtures('merge_requests/merge_request_with_task_list.html.raw');
preloadFixtures('merge_requests/merge_request_with_task_list.html.raw', 'merge_requests/diff_comment.html.raw');
beforeEach(function () {
this.class = new gl.MergeRequestTabs({ stubLocation: stubLocation });
......@@ -286,7 +288,48 @@ import 'vendor/jquery.scrollTo';
spyOn($, 'ajax').and.callFake(function (options) {
expect(options.url).toEqual('/foo/bar/merge_requests/1/diffs.json');
});
this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
});
describe('with note fragment hash', () => {
beforeEach(() => {
loadFixtures('merge_requests/diff_comment.html.raw');
spyOn(window.gl.utils, 'getPagePath').and.returnValue('merge_requests');
window.notes = new Notes('', []);
spyOn(window.notes, 'toggleDiffNote').and.callThrough();
});
afterEach(() => {
delete window.notes;
});
it('should expand and scroll to linked fragment hash #note_xxx', function () {
const noteId = 'note_1';
spyOn(window.gl.utils, 'getLocationHash').and.returnValue(noteId);
spyOn($, 'ajax').and.callFake(function (options) {
options.success({ html: `<div id="${noteId}">foo</div>` });
});
this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
expect(window.notes.toggleDiffNote).toHaveBeenCalledWith({
target: jasmine.any(Object),
lineType: 'old',
forceShow: true,
});
});
it('should gracefully ignore non-existant fragment hash', function () {
spyOn(window.gl.utils, 'getLocationHash').and.returnValue('note_something-that-does-not-exist');
spyOn($, 'ajax').and.callFake(function (options) {
options.success({ html: '' });
});
this.class.loadDiff('/foo/bar/merge_requests/1/diffs');
expect(window.notes.toggleDiffNote).not.toHaveBeenCalled();
});
});
});
});
......
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