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https://gitlab.com/openstapps/openstapps.git
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77 lines
1.8 KiB
JavaScript
77 lines
1.8 KiB
JavaScript
/*
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* Copyright (C) 2022 StApps
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {treeGroupBy} from '../src/index.js';
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import {expect} from 'chai';
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/**
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* @typedef {{id: number; path?: string[]}} TestItem
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* @typedef {import('../src/types.js').Tree<TestItem>} TestItemTree
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*/
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describe('tree-group', function () {
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it('should create a tree', function () {
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/** @type {TestItem[]} */
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const items = [
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{
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id: 1,
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path: ['a', 'b', 'c'],
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},
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{
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id: 2,
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path: ['a', 'b', 'd'],
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},
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];
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const tree = treeGroupBy(items, item => item.path ?? []);
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/** @type {TestItemTree} */
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const expectedTree = {
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a: /** @type {TestItemTree} */ ({
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b: {
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c: {_: [items[0]]},
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d: {_: [items[1]]},
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},
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}),
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};
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expect(tree).to.deep.equal(expectedTree);
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});
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it('should also sort empty paths', () => {
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/** @type {TestItem[]} */
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const items = [
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{
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id: 1,
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path: ['a', 'b', 'c'],
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},
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{
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id: 2,
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},
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];
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const tree = treeGroupBy(items, item => item.path ?? []);
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const expectedTree = /** @type {TestItemTree} */ ({
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a: {
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b: {
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c: {_: [items[0]]},
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},
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},
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_: [items[1]],
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});
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expect(tree).to.deep.equal(expectedTree);
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});
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});
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