94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
goog.provide('ol.test.format.TopoJSON');
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var aruba = {
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type: 'Topology',
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transform: {
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scale: [0.036003600360036005, 0.017361589674592462],
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translate: [-180, -89.99892578124998]
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},
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objects: {
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aruba: {
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type: 'Polygon',
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arcs: [[0]],
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id: 533
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}
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},
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arcs: [
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[[3058, 5901], [0, -2], [-2, 1], [-1, 3], [-2, 3], [0, 3], [1, 1], [1, -3],
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[2, -5], [1, -1]]
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]
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};
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describe('ol.parser.TopoJSON', function() {
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var parser;
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before(function() {
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parser = new ol.parser.TopoJSON();
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});
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describe('constructor', function() {
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it('creates a new parser', function() {
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expect(parser).to.be.a(ol.parser.Parser);
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expect(parser).to.be.a(ol.parser.TopoJSON);
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});
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});
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describe('#readFeaturesFromTopology_()', function() {
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it('creates an array of features from a topology', function() {
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var features = parser.readFeaturesFromTopology_(aruba);
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expect(features).to.have.length(1);
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var feature = features[0];
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expect(feature).to.be.a(ol.Feature);
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var geometry = feature.getGeometry();
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expect(geometry).to.be.a(ol.geom.Polygon);
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expect(geometry.getBounds()).to.eql([
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-70.08100810081008, 12.417091709170947,
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-69.9009900990099, 12.608069195591469
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]);
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});
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});
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describe('#readFeaturesFromString()', function() {
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it('parses world-110m.geojson', function(done) {
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afterLoadText('spec/ol/parser/topojson/world-110m.json', function(text) {
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var result = parser.readFeaturesFromString(text);
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expect(result.features.length).to.be(178);
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var first = result.features[0];
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expect(first).to.be.a(ol.Feature);
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var firstGeom = first.getGeometry();
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expect(firstGeom).to.be.a(ol.geom.MultiPolygon);
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expect(firstGeom.getBounds()).to.eql(
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[-180, -85.60903777459777, 180, 83.64513000000002]);
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var last = result.features[177];
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expect(last).to.be.a(ol.Feature);
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var lastGeom = last.getGeometry();
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expect(lastGeom).to.be.a(ol.geom.Polygon);
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expect(lastGeom.getBounds()).to.eql([
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25.26325263252633, -22.271802279310577,
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32.848528485284874, -15.50833810039586
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]);
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done();
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});
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});
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});
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});
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goog.require('ol.Feature');
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goog.require('ol.geom.MultiPolygon');
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goog.require('ol.geom.Polygon');
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goog.require('ol.parser.Parser');
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goog.require('ol.parser.TopoJSON');
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