| 1 | import { expect } from '../test';
|
| 2 | import { TreeQuery } from '.';
|
| 3 | const create = TreeQuery.create;
|
| 4 | describe('TreeQuery', () => {
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| 5 | describe('create', () => {
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| 6 | it('with root (default node type)', () => {
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| 7 | const root = { id: 'root' };
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| 8 | const query = create(root);
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| 9 | expect(query.root).to.equal(root);
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| 10 | expect(query.namespace).to.eql('');
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| 11 | });
|
| 12 | it('with root (specific node type)', () => {
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| 13 | const root = { id: 'root', count: 0 };
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| 14 | const query = create(root);
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| 15 | expect(query.root).to.equal(root);
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| 16 | expect(query.namespace).to.eql('');
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| 17 | });
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| 18 | it('with namespace', () => {
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| 19 | const test = (namespace, expected) => {
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| 20 | const root = { id: 'root' };
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| 21 | const query = create({ root, namespace });
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| 22 | expect(query.namespace).to.eql(expected);
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| 23 | };
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| 24 | test('', '');
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| 25 | test(' ', '');
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| 26 | test('foo', 'foo');
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| 27 | test(' foo ', 'foo');
|
| 28 | });
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| 29 | });
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| 30 | describe('children (static)', () => {
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| 31 | it('no arguments', () => {
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| 32 | let count = 0;
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| 33 | const res = TreeQuery.children(undefined, () => count++);
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| 34 | expect(res).to.eql([]);
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| 35 | expect(count).to.eql(1);
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| 36 | });
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| 37 | it('no childen => empty array (and assigns by default)', () => {
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| 38 | const node = { id: 'root' };
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| 39 | expect(node.children).to.eql(undefined);
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| 40 | const res = TreeQuery.children(node);
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| 41 | expect(res).to.eql([]);
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| 42 | expect(node.children).to.equal(res);
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| 43 | });
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| 44 | it('no childen => empty array (and does not assign)', () => {
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| 45 | const node = { id: 'root' };
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| 46 | expect(node.children).to.eql(undefined);
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| 47 | const res1 = TreeQuery.children(node, { assign: false });
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| 48 | expect(res1).to.eql([]);
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| 49 | expect(node.children).to.equal(undefined);
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| 50 | const res2 = TreeQuery.children(node, undefined, { assign: false });
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| 51 | expect(res2).to.eql([]);
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| 52 | expect(node.children).to.equal(undefined);
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| 53 | });
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| 54 | it('returns child array (instance)', () => {
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| 55 | const node = { id: 'root', children: [{ id: 'child' }] };
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| 56 | expect(TreeQuery.children(node)).to.eql([{ id: 'child' }]);
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| 57 | });
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| 58 | it('runs visitor function', () => {
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| 59 | const node = { id: 'root', children: [{ id: 'child-1' }, { id: 'child-2' }] };
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| 60 | const visits = [];
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| 61 | TreeQuery.children(node, (children) => children.forEach((child) => visits.push(child)));
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| 62 | expect(visits.map((c) => c.id)).to.eql(['child-1', 'child-2']);
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| 63 | });
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| 64 | });
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| 65 | describe('hasChild (static)', () => {
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| 66 | const root = { id: 'A', children: [{ id: 'B' }, { id: 'C' }] };
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| 67 | it('does have child', () => {
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| 68 | expect(TreeQuery.hasChild(root, 'B')).to.eql(true);
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| 69 | expect(TreeQuery.hasChild(root, 'C')).to.eql(true);
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| 70 | expect(TreeQuery.hasChild(root, { id: 'C' })).to.eql(true);
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| 71 | });
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| 72 | it('does not have child', () => {
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| 73 | expect(TreeQuery.hasChild(root, 'A')).to.eql(false);
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| 74 | expect(TreeQuery.hasChild(root, 'NO_MATCH')).to.eql(false);
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| 75 | expect(TreeQuery.hasChild(root, undefined)).to.eql(false);
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| 76 | expect(TreeQuery.hasChild(undefined, undefined)).to.eql(false);
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| 77 | });
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| 78 | });
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| 79 | describe('walkDown', () => {
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| 80 | it('walkDown from root', () => {
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| 81 | const tree = {
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| 82 | id: 'root',
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| 83 | children: [{ id: 'child-1' }, { id: 'child-2' }],
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| 84 | };
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| 85 | const query = create(tree);
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| 86 | const items = [];
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| 87 | query.walkDown((e) => items.push(e));
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| 88 | expect(items.length).to.eql(3);
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| 89 | expect(items[0].node).to.equal(tree);
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| 90 | expect(items[1].node).to.equal(tree.children && tree.children[0]);
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| 91 | expect(items[2].node).to.equal(tree.children && tree.children[1]);
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| 92 | expect(items.every((m) => m.namespace === '')).to.eql(true);
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| 93 | });
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| 94 | it('walkDown from root (with namespace)', () => {
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| 95 | const tree = {
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| 96 | id: 'ns:root',
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| 97 | children: [{ id: 'ns:child-1' }, { id: 'ns:child-2' }],
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| 98 | };
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| 99 | const query = create(tree);
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| 100 | const items = [];
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| 101 | query.walkDown((e) => items.push(e));
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| 102 | expect(items.length).to.eql(3);
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| 103 | expect(items.every((m) => m.namespace === 'ns')).to.eql(true);
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| 104 | expect(items[0].key).to.equal('root');
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| 105 | expect(items[0].id).to.equal('ns:root');
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| 106 | expect(items[0].node.id).to.equal('ns:root');
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| 107 | expect(items[1].key).to.equal('child-1');
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| 108 | expect(items[1].id).to.equal('ns:child-1');
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| 109 | expect(items[1].node.id).to.equal('ns:child-1');
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| 110 | expect(items[2].key).to.equal('child-2');
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| 111 | expect(items[2].id).to.equal('ns:child-2');
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| 112 | expect(items[2].node.id).to.equal('ns:child-2');
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| 113 | });
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| 114 | it('walkDown: skip (children)', () => {
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| 115 | const tree = {
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| 116 | id: 'root',
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| 117 | children: [
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| 118 | { id: 'child-1', children: [{ id: 'child-1.1' }, { id: 'child-1.1' }] },
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| 119 | { id: 'child-2' },
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| 120 | ],
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| 121 | };
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| 122 | const query = create(tree);
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| 123 | const nodes = [];
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| 124 | query.walkDown((e) => {
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| 125 | nodes.push(e.node);
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| 126 | if (e.node.id === 'child-1') {
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| 127 | e.skip();
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| 128 | }
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| 129 | });
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| 130 | expect(nodes.length).to.eql(3);
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| 131 | expect(nodes[0].id).to.eql('root');
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| 132 | expect(nodes[1].id).to.eql('child-1');
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| 133 | expect(nodes[2].id).to.eql('child-2');
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| 134 | });
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| 135 | it('walkDown: stop mid-way', () => {
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| 136 | const root = {
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| 137 | id: 'root',
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| 138 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'child-2.1' }] }],
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| 139 | };
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| 140 | const state = create(root);
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| 141 | const walked = [];
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| 142 | state.walkDown((e) => {
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| 143 | walked.push(e);
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| 144 | if (e.id === 'child-1') {
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| 145 | e.stop();
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| 146 | }
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| 147 | });
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| 148 | expect(walked.length).to.eql(2);
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| 149 | expect(walked[0].id).to.eql('root');
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| 150 | expect(walked[1].id).to.eql('child-1');
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| 151 | });
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| 152 | it('walkDown: passes level/parent to visitor', () => {
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| 153 | const grandchild = { id: 'grandchild' };
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| 154 | const child = { id: 'child', children: [grandchild] };
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| 155 | const root = { id: 'root', children: [child] };
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| 156 | const query = create(root);
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| 157 | const items = [];
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| 158 | query.walkDown((e) => items.push(e));
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| 159 | expect(items.length).to.eql(3);
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| 160 | expect(items[0].level).to.eql(0);
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| 161 | expect(items[1].level).to.eql(1);
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| 162 | expect(items[2].level).to.eql(2);
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| 163 | expect(items[0].parent).to.eql(undefined);
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| 164 | expect(items[1].parent).to.eql(root);
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| 165 | expect(items[2].parent).to.eql(child);
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| 166 | });
|
| 167 | it('walkDown: passes index to visitor (sibling position)', () => {
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| 168 | const root = {
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| 169 | id: 'root',
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| 170 | children: [{ id: 'child-1' }, { id: 'child-2' }],
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| 171 | };
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| 172 | const query = create(root);
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| 173 | const items = [];
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| 174 | query.walkDown((e) => items.push(e));
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| 175 | expect(items[0].index).to.eql(-1);
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| 176 | expect(items[1].index).to.eql(0);
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| 177 | expect(items[2].index).to.eql(1);
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| 178 | });
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| 179 | it('walkDown: does not walk down into child namespace', () => {
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| 180 | var _a;
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| 181 | const root = {
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| 182 | id: 'ns1:root',
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| 183 | children: [{ id: 'ns1:child-1' }, { id: 'ns1:child-2', children: [{ id: 'ns2:foo' }] }],
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| 184 | };
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| 185 | const query = create({ root, namespace: 'ns1' });
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| 186 | expect(query.namespace).to.eql('ns1');
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| 187 | expect((_a = create(root).findById('ns2:foo')) === null || _a === void 0 ? void 0 : _a.id).to.eql('ns2:foo');
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| 188 | const walked = [];
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| 189 | query.walkDown((e) => walked.push(e));
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| 190 | const ids = walked.map((e) => e.id);
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| 191 | expect(ids.length).to.eql(3);
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| 192 | expect(ids.includes('ns2:foo')).to.eql(false);
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| 193 | });
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| 194 | });
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| 195 | describe('walkUp', () => {
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| 196 | it('walkUp: to root', () => {
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| 197 | const tree = {
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| 198 | id: 'root',
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| 199 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'grandchild-1' }] }],
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| 200 | };
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| 201 | const query = create(tree);
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| 202 | const start = query.findById('grandchild-1');
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| 203 | const items = [];
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| 204 | query.walkUp(start, (e) => items.push(e));
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| 205 | expect(items.length).to.eql(3);
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| 206 | expect(items.map((e) => e.node.id)).to.eql(['grandchild-1', 'child-2', 'root']);
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| 207 | expect(items.every((m) => m.namespace === '')).to.eql(true);
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| 208 | expect(items[0].parent && items[0].parent.id).to.eql('child-2');
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| 209 | expect(items[1].parent && items[1].parent.id).to.eql('root');
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| 210 | expect(items[2].parent && items[2].parent.id).to.eql(undefined);
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| 211 | expect(items[0].index).to.eql(0);
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| 212 | expect(items[1].index).to.eql(1);
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| 213 | expect(items[2].index).to.eql(-1);
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| 214 | });
|
| 215 | it('walkUp: to root (with namespace)', () => {
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| 216 | const tree = {
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| 217 | id: 'ns:root',
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| 218 | children: [
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| 219 | { id: 'ns:child-1' },
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| 220 | { id: 'ns:child-2', children: [{ id: 'ns:grandchild-1' }] },
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| 221 | ],
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| 222 | };
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| 223 | const query = create(tree);
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| 224 | const start = query.findById('ns:grandchild-1');
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| 225 | const items = [];
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| 226 | query.walkUp(start, (e) => items.push(e));
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| 227 | expect(items.length).to.eql(3);
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| 228 | expect(items.every((m) => m.namespace === 'ns')).to.eql(true);
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| 229 | expect(items.map((e) => e.key)).to.eql(['grandchild-1', 'child-2', 'root']);
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| 230 | expect(items.map((e) => e.node.id)).to.eql(['ns:grandchild-1', 'ns:child-2', 'ns:root']);
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| 231 | });
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| 232 | it('walkUp: stop mid-way', () => {
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| 233 | const tree = {
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| 234 | id: 'root',
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| 235 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'grandchild-1' }] }],
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| 236 | };
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| 237 | const query = create(tree);
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| 238 | const start = query.findById('grandchild-1');
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| 239 | const list = [];
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| 240 | query.walkUp(start, (e) => {
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| 241 | list.push(e);
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| 242 | if (e.node.id === 'child-2') {
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| 243 | e.stop();
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| 244 | }
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| 245 | });
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| 246 | expect(list.length).to.eql(2);
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| 247 | expect(list.map((e) => e.id)).to.eql(['grandchild-1', 'child-2']);
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| 248 | });
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| 249 | it('walkUp: startAt not found', () => {
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| 250 | const tree = {
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| 251 | id: 'root',
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| 252 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'grandchild-1' }] }],
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| 253 | };
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| 254 | const query = create(tree);
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| 255 | const test = (startAt) => {
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| 256 | const walked = [];
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| 257 | query.walkUp(startAt, (e) => walked.push(e));
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| 258 | expect(walked).to.eql([]);
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| 259 | };
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| 260 | test();
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| 261 | test('404');
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| 262 | test({ id: '404' });
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| 263 | });
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| 264 | it('walkUp: passes level (from start of ascent)', () => {
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| 265 | const tree = {
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| 266 | id: 'root',
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| 267 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'grandchild-1' }] }],
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| 268 | };
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| 269 | const query = create(tree);
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| 270 | const walked = [];
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| 271 | query.walkUp('grandchild-1', (e) => walked.push(e));
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| 272 | expect(walked.map((e) => e.level)).to.eql([0, 1, 2]);
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| 273 | });
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| 274 | it('walkUp: does not walk up into parent namespace', () => {
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| 275 | const tree = {
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| 276 | id: 'ns1:root',
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| 277 | children: [
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| 278 | { id: 'ns1:child-1' },
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| 279 | { id: 'ns2:child-2', children: [{ id: 'ns2:child-2.1' }] },
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| 280 | ],
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| 281 | };
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| 282 | const root = create(tree).findById('ns2:child-2');
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| 283 | const child = create(tree).findById('ns2:child-2.1');
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| 284 | expect(child).to.exist;
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| 285 | const query = create({ root, namespace: 'ns2' });
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| 286 | const test = (startAt) => {
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| 287 | const walked = [];
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| 288 | query.walkUp(startAt, (e) => walked.push(e));
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| 289 | expect(walked.map((e) => e.key)).to.eql(['child-2.1', 'child-2']);
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| 290 | };
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| 291 | test(child);
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| 292 | test(child === null || child === void 0 ? void 0 : child.id);
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| 293 | test('child-2.1');
|
| 294 | });
|
| 295 | });
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| 296 | describe('find', () => {
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| 297 | it('no namespace', () => {
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| 298 | const tree = {
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| 299 | id: 'root',
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| 300 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'child-3' }] }],
|
| 301 | };
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| 302 | const query = create(tree);
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| 303 | const res1 = query.find((e) => e.node.id === 'child-3');
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| 304 | const res2 = query.find((e) => e.node.id === 'NO_EXIT');
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| 305 | expect(res1).to.eql({ id: 'child-3' });
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| 306 | expect(res2).to.eql(undefined);
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| 307 | });
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| 308 | it('with namespace', () => {
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| 309 | const tree = {
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| 310 | id: 'ns:root',
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| 311 | children: [{ id: 'child-1' }, { id: 'ns:child-2', children: [{ id: 'ns:child-3' }] }],
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| 312 | };
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| 313 | const query = create(tree);
|
| 314 | const res1a = query.find((e) => e.namespace === 'ns' && e.key === 'child-3');
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| 315 | const res1b = query.find((e) => e.id === 'ns:child-3');
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| 316 | const res2 = query.find((e) => e.namespace === 'foo' && e.key === 'child-3');
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| 317 | expect(res1a).to.eql({ id: 'ns:child-3' });
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| 318 | expect(res1b).to.eql({ id: 'ns:child-3' });
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| 319 | expect(res2).to.eql(undefined);
|
| 320 | });
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| 321 | it('root with namespace', () => {
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| 322 | const tree = {
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| 323 | id: 'root',
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| 324 | children: [
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| 325 | { id: 'child-1' },
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| 326 | { id: 'ns:child-2', children: [{ id: 'ns:child-2.1' }, { id: 'ns:child-2.1' }] },
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| 327 | ],
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| 328 | };
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| 329 | const query = create(tree);
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| 330 | const res = query.find((e) => e.namespace === 'ns');
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| 331 | expect(res === null || res === void 0 ? void 0 : res.id).to.eql('ns:child-2');
|
| 332 | });
|
| 333 | });
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| 334 | describe('findById', () => {
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| 335 | it('no namespace', () => {
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| 336 | const tree = {
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| 337 | id: 'root',
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| 338 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'child-3' }] }],
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| 339 | };
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| 340 | const query = create(tree);
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| 341 | const res1 = query.findById('child-3');
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| 342 | const res2 = query.findById('NO_EXIST');
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| 343 | const res3 = query.findById(undefined);
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| 344 | const res4 = query.findById({ id: 'child-2' });
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| 345 | expect(res1).to.eql({ id: 'child-3' });
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| 346 | expect(res2).to.eql(undefined);
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| 347 | expect(res3).to.eql(undefined);
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| 348 | expect(res4).to.eql({ id: 'child-2', children: [{ id: 'child-3' }] });
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| 349 | });
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| 350 | it('within namespace', () => {
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| 351 | var _a, _b, _c, _d, _e, _f, _g, _h, _j;
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| 352 | const root = {
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| 353 | id: 'ns1:root',
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| 354 | children: [{ id: 'ns1:child-1' }, { id: 'ns2:child-2' }, { id: 'foo' }],
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| 355 | };
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| 356 | const query = create({ root });
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| 357 | const ns1 = create({ root, namespace: 'ns1' });
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| 358 | expect((_a = query.findById('root')) === null || _a === void 0 ? void 0 : _a.id).to.eql('ns1:root');
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| 359 | expect(query.findById('foo:root')).to.eql(undefined);
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| 360 | expect((_b = query.findById('ns1:root')) === null || _b === void 0 ? void 0 : _b.id).to.eql('ns1:root');
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| 361 | expect((_c = query.findById('ns1:child-1')) === null || _c === void 0 ? void 0 : _c.id).to.eql('ns1:child-1');
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| 362 | expect((_d = query.findById('ns2:child-2')) === null || _d === void 0 ? void 0 : _d.id).to.eql('ns2:child-2');
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| 363 | expect((_e = query.findById('foo')) === null || _e === void 0 ? void 0 : _e.id).to.eql('foo');
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| 364 | expect((_f = ns1.findById('root')) === null || _f === void 0 ? void 0 : _f.id).to.eql('ns1:root');
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| 365 | expect((_g = ns1.findById('ns1:root')) === null || _g === void 0 ? void 0 : _g.id).to.eql('ns1:root');
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| 366 | expect(ns1.findById('foo:root')).to.eql(undefined);
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| 367 | expect(ns1.findById('404')).to.eql(undefined);
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| 368 | expect(ns1.findById('ns1:404')).to.eql(undefined);
|
| 369 | expect((_h = ns1.findById('child-1')) === null || _h === void 0 ? void 0 : _h.id).to.eql('ns1:child-1');
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| 370 | expect((_j = ns1.findById('ns1:child-1')) === null || _j === void 0 ? void 0 : _j.id).to.eql('ns1:child-1');
|
| 371 | expect(ns1.findById('child-2')).to.eql(undefined);
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| 372 | expect(ns1.findById('ns2:child-2')).to.eql(undefined);
|
| 373 | expect(ns1.findById('foo')).to.eql(undefined);
|
| 374 | });
|
| 375 | });
|
| 376 | describe('parent', () => {
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| 377 | it('has a parent', () => {
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| 378 | const grandchild = { id: 'grandchild' };
|
| 379 | const child = { id: 'child', children: [grandchild] };
|
| 380 | const root = { id: 'root', children: [child] };
|
| 381 | const query = create(root);
|
| 382 | expect(query.parent(child)).to.equal(root);
|
| 383 | expect(query.parent(grandchild)).to.equal(child);
|
| 384 | });
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| 385 | it('has no parent', () => {
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| 386 | const grandchild = { id: 'grandchild' };
|
| 387 | const child = { id: 'child', children: [grandchild] };
|
| 388 | const root = { id: 'root', children: [] };
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| 389 | const query = create(root);
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| 390 | expect(query.parent(child)).to.equal(undefined);
|
| 391 | expect(query.parent(grandchild)).to.equal(undefined);
|
| 392 | });
|
| 393 | });
|
| 394 | describe('ancestor', () => {
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| 395 | const tree = {
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| 396 | id: 'root',
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| 397 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'child-3' }] }],
|
| 398 | };
|
| 399 | it('matches self (first)', () => {
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| 400 | const query = create(tree);
|
| 401 | const node = query.findById('child-3');
|
| 402 | const res = query.ancestor(node, (e) => e.node.id === 'child-3');
|
| 403 | expect(res && res.id).to.eql('child-3');
|
| 404 | });
|
| 405 | it('finds matching ancestor', () => {
|
| 406 | const query = create(tree);
|
| 407 | const node = query.findById('child-3');
|
| 408 | const res1 = query.ancestor(node, (e) => e.node.id === 'child-2');
|
| 409 | const res2 = query.ancestor(node, (e) => e.node.id === 'root');
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| 410 | expect(res1 && res1.id).to.eql('child-2');
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| 411 | expect(res2 && res2.id).to.eql('root');
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| 412 | });
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| 413 | it('no match', () => {
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| 414 | const query = create(tree);
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| 415 | const node = query.findById('root');
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| 416 | const res = query.ancestor(node, (e) => e.node.id === 'child-1');
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| 417 | expect(res).to.eql(undefined);
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| 418 | });
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| 419 | });
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| 420 | describe('depth', () => {
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| 421 | const root = {
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| 422 | id: 'A',
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| 423 | children: [{ id: 'B' }, { id: 'C', children: [{ id: 'D' }] }],
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| 424 | };
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| 425 | it('retrieves depth', () => {
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| 426 | const query = create(root);
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| 427 | expect(query.depth('A')).to.eql(0);
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| 428 | expect(query.depth({ id: 'A' })).to.eql(0);
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| 429 | expect(query.depth('B')).to.eql(1);
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| 430 | expect(query.depth('C')).to.eql(1);
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| 431 | expect(query.depth('D')).to.eql(2);
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| 432 | expect(query.depth({ id: 'D' })).to.eql(2);
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| 433 | });
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| 434 | it('-1', () => {
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| 435 | const query = create({ id: 'root' });
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| 436 | expect(query.depth('C')).to.eql(-1);
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| 437 | expect(query.depth(undefined)).to.eql(-1);
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| 438 | expect(query.depth('NO_EXIST')).to.eql(-1);
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| 439 | expect(query.depth({ id: 'NO_EXIST' })).to.eql(-1);
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| 440 | });
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| 441 | });
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| 442 | describe('exists', () => {
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| 443 | const tree = {
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| 444 | id: 'root',
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| 445 | children: [{ id: 'child-1' }, { id: 'child-2', children: [{ id: 'child-3' }] }],
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| 446 | };
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| 447 | it('exists', () => {
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| 448 | const query = create(tree);
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| 449 | expect(query.exists('root')).to.eql(true);
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| 450 | expect(query.exists('child-3')).to.eql(true);
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| 451 | expect(query.exists({ id: 'root' })).to.eql(true);
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| 452 | expect(query.exists({ id: 'child-3' })).to.eql(true);
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| 453 | expect(query.exists((e) => e.id === 'child-3')).to.eql(true);
|
| 454 | });
|
| 455 | it('does not exist', () => {
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| 456 | const query = create(tree);
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| 457 | expect(query.exists('404')).to.eql(false);
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| 458 | expect(query.exists({ id: '404' })).to.eql(false);
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| 459 | expect(query.exists((e) => e.id === '404')).to.eql(false);
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| 460 | });
|
| 461 | });
|
| 462 | });
|