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132 changes: 53 additions & 79 deletions test/combine_ways.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -14,87 +14,61 @@ import { BuildingShapeUtils } from '../src/extras/BuildingShapeUtils.js';
// import { JSDOM } from 'jsdom';

test('Test no combining necessary. one open way', () => {
var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/><nd ref="4"/></way>';
var way = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/><nd ref="4"/></way>';
let parser = new window.DOMParser();
let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
let result = BuildingShapeUtils.combineWays([xml1]);
let xml = parser.parseFromString(way, 'text/xml').getElementsByTagName('way')[0];
let result = BuildingShapeUtils.combineWays([xml]);
expect(result.length).toBe(0);
});

test('Test combining 2 ways 1->2', () => {
var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/></way>';
var way2 = '<way id="2"><nd ref="2"/><nd ref="3"/></way>';
var way3 = '<way id="3"><nd ref="3"/><nd ref="1"/></way>';
let parser = new window.DOMParser();
let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
let xml2 = parser.parseFromString(way2, 'text/xml').getElementsByTagName('way')[0];
let xml3 = parser.parseFromString(way3, 'text/xml').getElementsByTagName('way')[0];
let result = BuildingShapeUtils.combineWays([xml1, xml2, xml3]);
// Expect one closed way with 3 unique nodes.
expect(result.length).toBe(1);
expect(BuildingShapeUtils.isClosed(result[0])).toBe(true);
expect(result[0].getElementsByTagName('nd').length).toBe(4);
expect(BuildingShapeUtils.isSelfIntersecting(result[0])).toBe(false);
});

test('Test combining 3 ways 2->1->3', () => {
var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/></way>';
var way2 = '<way id="2"><nd ref="3"/><nd ref="1"/></way>';
var way3 = '<way id="3"><nd ref="2"/><nd ref="3"/></way>';
let parser = new window.DOMParser();
let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
let xml2 = parser.parseFromString(way2, 'text/xml').getElementsByTagName('way')[0];
let xml3 = parser.parseFromString(way3, 'text/xml').getElementsByTagName('way')[0];
let result = BuildingShapeUtils.combineWays([xml1, xml2, xml3]);
expect(result.length).toBe(1);
expect(BuildingShapeUtils.isClosed(result[0])).toBe(true);
expect(BuildingShapeUtils.isSelfIntersecting(result[0])).toBe(false);
expect(result[0].getElementsByTagName('nd').length).toBe(4);
});

test('Test combining 2 unaligned ways', () => {
var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/></way>';
var way2 = '<way id="2"><nd ref="3"/><nd ref="2"/></way>';
var way3 = '<way id="3"><nd ref="3"/><nd ref="1"/></way>';
let parser = new window.DOMParser();
let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
let xml2 = parser.parseFromString(way2, 'text/xml').getElementsByTagName('way')[0];
let xml3 = parser.parseFromString(way3, 'text/xml').getElementsByTagName('way')[0];
let result = BuildingShapeUtils.combineWays([xml1, xml2, xml3]);
expect(result.length).toBe(1);
expect(BuildingShapeUtils.isClosed(result[0])).toBe(true);
expect(BuildingShapeUtils.isSelfIntersecting(result[0])).toBe(false);
expect(result[0].getElementsByTagName('nd').length).toBe(4);
});

test('Test combining 3 ways 1->2->3', () => {
var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/></way>';
var way2 = '<way id="2"><nd ref="1"/><nd ref="3"/></way>';
var way3 = '<way id="3"><nd ref="2"/><nd ref="3"/></way>';
let parser = new window.DOMParser();
let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
let xml2 = parser.parseFromString(way2, 'text/xml').getElementsByTagName('way')[0];
let xml3 = parser.parseFromString(way3, 'text/xml').getElementsByTagName('way')[0];
let result = BuildingShapeUtils.combineWays([xml1, xml2, xml3]);
expect(result.length).toBe(1);
expect(BuildingShapeUtils.isClosed(result[0])).toBe(true);
expect(BuildingShapeUtils.isSelfIntersecting(result[0])).toBe(false);
expect(result[0].getElementsByTagName('nd').length).toBe(4);
});

test('Test combining 4 ways', () => {
var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/></way>';
var way2 = '<way id="2"><nd ref="3"/><nd ref="4"/></way>';
var way3 = '<way id="3"><nd ref="4"/><nd ref="1"/></way>';
var way4 = '<way id="4"><nd ref="2"/><nd ref="3"/></way>';
let parser = new window.DOMParser();
let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
let xml2 = parser.parseFromString(way2, 'text/xml').getElementsByTagName('way')[0];
let xml3 = parser.parseFromString(way3, 'text/xml').getElementsByTagName('way')[0];
let xml4 = parser.parseFromString(way4, 'text/xml').getElementsByTagName('way')[0];
let result = BuildingShapeUtils.combineWays([xml1, xml2, xml3, xml4]);
expect(result.length).toBe(1);
expect(BuildingShapeUtils.isClosed(result[0]));
expect(BuildingShapeUtils.isSelfIntersecting(result[0])).toBe(false);
expect(result[0].getElementsByTagName('nd').length).toBe(5);
describe('Combine Ways', () => {
test.each([
[
[
'<way id="1"><nd ref="1"/><nd ref="2"/></way>',
'<way id="2"><nd ref="2"/><nd ref="3"/></way>',
'<way id="3"><nd ref="3"/><nd ref="1"/></way>',
], 1, 4, 'Test combining 3 ways 1->2->3',
],
[
[
'<way id="1"><nd ref="1"/><nd ref="2"/></way>',
'<way id="2"><nd ref="3"/><nd ref="1"/></way>',
'<way id="3"><nd ref="2"/><nd ref="3"/></way>',
], 1, 4, 'Test combining 3 ways 2->1->3',
],
[
[
'<way id="1"><nd ref="1"/><nd ref="2"/></way>',
'<way id="2"><nd ref="3"/><nd ref="2"/></way>',
'<way id="3"><nd ref="3"/><nd ref="1"/></way>',
], 1, 4, 'Test combining tip to tip',
],
[
[
'<way id="1"><nd ref="1"/><nd ref="2"/></way>',
'<way id="2"><nd ref="1"/><nd ref="3"/></way>',
'<way id="3"><nd ref="2"/><nd ref="3"/></way>',
], 1, 4, 'Test combining tail to tail',
],
[
[
'<way id="1"><nd ref="1"/><nd ref="2"/></way>',
'<way id="2"><nd ref="3"/><nd ref="4"/></way>',
'<way id="3"><nd ref="4"/><nd ref="1"/></way>',
'<way id="4"><nd ref="2"/><nd ref="3"/></way>',
], 1, 5, 'Test combining 4 ways',
],
])('${description}', (ways, length, nodes, description) => {
let parser = new window.DOMParser();
const xml = [];
for (const way of ways){
xml.push(parser.parseFromString(way, 'text/xml').getElementsByTagName('way')[0]);
}
let result = BuildingShapeUtils.combineWays(xml);
expect(result.length).toBe(length);
expect(BuildingShapeUtils.isClosed(result[0]));
expect(BuildingShapeUtils.isSelfIntersecting(result[0])).toBe(false);
expect(result[0].getElementsByTagName('nd').length).toBe(nodes);
});
});