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TiddlyWiki5/editions/test/tiddlers/tests/test-backlinks.js
Rob Hoelz ae04a425c0
Add backlinks indexer (#4421)
* Add tests for backlinks

* Add backlinks indexer

* Use backlinks indexer in getTiddlerBacklinks if available

* Extract link extraction into its own method

This way we can provide an arbitrary parse tree, rather than just a
title, which will allow us to compare lists of outgoing links between
versions of a single tiddler

* Use new extractLinks method in backlinks indexer

...rather than copy-pasting the implementation

* Remove ES6-isms

TiddlyWiki needs to work with browsers that only support ES5
2020-03-26 13:15:02 +00:00

133 lines
3.3 KiB
JavaScript

/*\
title: test-backlinks.js
type: application/javascript
tags: [[$:/tags/test-spec]]
Tests the backlinks mechanism.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
describe('Backlinks tests', function() {
describe('a tiddler with no links to it', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestIncoming',
text: ''});
it('should have no backlinks', function() {
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('');
});
});
describe('A tiddler added to the wiki with a link to it', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestIncoming',
text: ''});
wiki.addTiddler({
title: 'TestOutgoing',
text: 'A link to [[TestIncoming]]'});
it('should have a backlink', function() {
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('TestOutgoing');
});
});
describe('A tiddler that has a link added to it later', function() {
it('should have an additional backlink', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestIncoming',
text: ''});
wiki.addTiddler({
title: 'TestOutgoing',
text: 'A link to [[TestIncoming]]'});
wiki.addTiddler({
title: 'TestOutgoing2',
text: 'Nothing yet!'});
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('TestOutgoing');
wiki.addTiddler({
title: 'TestOutgoing2',
text: 'Updated with link to [[TestIncoming]]'});
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('TestOutgoing,TestOutgoing2');
});
});
describe('A tiddler that has a link remove from it later', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestIncoming',
text: ''});
wiki.addTiddler({
title: 'TestOutgoing',
text: 'A link to [[TestIncoming]]'});
it('should have one fewer backlink', function() {
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('TestOutgoing');
wiki.addTiddler({
title: 'TestOutgoing',
text: 'No link to ~TestIncoming'});
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('');
});
});
describe('A tiddler linking to another that gets renamed', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestIncoming',
text: ''});
wiki.addTiddler({
title: 'TestOutgoing',
text: 'A link to [[TestIncoming]]'});
it('should have its name changed in the backlinks', function() {
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('TestOutgoing');
wiki.renameTiddler('TestOutgoing', 'TestExtroverted');
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('TestExtroverted');
});
});
describe('A tiddler linking to another that gets deleted', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestIncoming',
text: ''});
wiki.addTiddler({
title: 'TestOutgoing',
text: 'A link to [[TestIncoming]]'});
it('should be removed from backlinks', function() {
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('TestOutgoing');
wiki.deleteTiddler('TestOutgoing');
expect(wiki.filterTiddlers('TestIncoming +[backlinks[]]').join(',')).toBe('');
});
});
});
})();