Files
openlayers/test/browser/spec/ol/format/osmxml.test.js
2021-04-28 09:23:33 -07:00

141 lines
4.4 KiB
JavaScript

import Feature from '../../../../../src/ol/Feature.js';
import LineString from '../../../../../src/ol/geom/LineString.js';
import OSMXML from '../../../../../src/ol/format/OSMXML.js';
import Point from '../../../../../src/ol/geom/Point.js';
import {get as getProjection, transform} from '../../../../../src/ol/proj.js';
describe('ol.format.OSMXML', function () {
let format;
beforeEach(function () {
format = new OSMXML();
});
describe('#readProjection', function () {
it('returns the default projection from document', function () {
const projection = format.readProjectionFromDocument();
expect(projection).to.eql(getProjection('EPSG:4326'));
});
it('returns the default projection from node', function () {
const projection = format.readProjectionFromNode();
expect(projection).to.eql(getProjection('EPSG:4326'));
});
});
describe('#readFeatures', function () {
it('can read an empty document', function () {
const text =
'<?xml version="1.0" encoding="UTF-8"?>' +
'<osm version="0.6" generator="my hand">' +
'</osm>';
const fs = format.readFeatures(text);
expect(fs).to.have.length(0);
});
it('can read nodes', function () {
const text =
'<?xml version="1.0" encoding="UTF-8"?>' +
'<osm version="0.6" generator="my hand">' +
' <node id="1" lat="1" lon="2">' +
' <tag k="name" v="1"/>' +
' </node>' +
' <node id="2" lat="3" lon="4">' +
' <tag k="name" v="2"/>' +
' </node>' +
'</osm>';
const fs = format.readFeatures(text);
expect(fs).to.have.length(2);
const f = fs[0];
expect(f).to.be.an(Feature);
const g = f.getGeometry();
expect(g).to.be.an(Point);
expect(g.getCoordinates()).to.eql([2, 1]);
});
it('can read nodes and ways', function () {
const text =
'<?xml version="1.0" encoding="UTF-8"?>' +
'<osm version="0.6" generator="my hand">' +
' <node id="1" lat="1" lon="2">' +
' <tag k="name" v="1"/>' +
' </node>' +
' <node id="2" lat="3" lon="4">' +
' <tag k="name" v="2"/>' +
' </node>' +
' <way id="3">' +
' <tag k="name" v="3"/>' +
' <nd ref="1" />' +
' <nd ref="2" />' +
' </way>' +
'</osm>';
const fs = format.readFeatures(text);
expect(fs).to.have.length(3);
const point = fs[0];
expect(point).to.be.an(Feature);
let g = point.getGeometry();
expect(g).to.be.an(Point);
expect(g.getCoordinates()).to.eql([2, 1]);
const line = fs[2];
expect(line).to.be.an(Feature);
g = line.getGeometry();
expect(g).to.be.an(LineString);
expect(g.getCoordinates()).to.eql([
[2, 1],
[4, 3],
]);
});
it('can read ways before nodes', function () {
const text =
'<?xml version="1.0" encoding="UTF-8"?>' +
'<osm version="0.6" generator="my hand">' +
' <way id="3">' +
' <tag k="name" v="3"/>' +
' <nd ref="1" />' +
' <nd ref="2" />' +
' </way>' +
' <node id="1" lat="1" lon="2">' +
' <tag k="name" v="1"/>' +
' </node>' +
' <node id="2" lat="3" lon="4">' +
' <tag k="name" v="2"/>' +
' </node>' +
'</osm>';
const fs = format.readFeatures(text);
expect(fs).to.have.length(3);
const line = fs[2];
expect(line).to.be.an(Feature);
const g = line.getGeometry();
expect(g).to.be.an(LineString);
expect(g.getCoordinates()).to.eql([
[2, 1],
[4, 3],
]);
});
it('can transform and read nodes', function () {
const text =
'<?xml version="1.0" encoding="UTF-8"?>' +
'<osm version="0.6" generator="my hand">' +
' <node id="1" lat="1" lon="2">' +
' <tag k="name" v="1"/>' +
' </node>' +
' <node id="2" lat="3" lon="4">' +
' <tag k="name" v="2"/>' +
' </node>' +
'</osm>';
const fs = format.readFeatures(text, {
featureProjection: 'EPSG:3857',
});
expect(fs).to.have.length(2);
const f = fs[0];
expect(f).to.be.an(Feature);
const g = f.getGeometry();
expect(g).to.be.an(Point);
expect(g.getCoordinates()).to.eql(
transform([2, 1], 'EPSG:4326', 'EPSG:3857')
);
});
});
});