125 lines
4.3 KiB
JavaScript
125 lines
4.3 KiB
JavaScript
goog.provide('ol.test.geom.GeometryCollection');
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describe('ol.geom.GeometryCollection', function() {
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var outer = [[0, 0], [0, 10], [10, 10], [10, 0], [0, 0]],
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inner1 = [[1, 1], [2, 1], [2, 2], [1, 2], [1, 1]],
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inner2 = [[8, 8], [9, 8], [9, 9], [8, 9], [8, 8]];
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describe('constructor', function() {
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it('creates a geometry collection from an array of geometries', function() {
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var point = new ol.geom.Point([10, 20]);
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var line = new ol.geom.LineString([[10, 20], [30, 40]]);
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var poly = new ol.geom.Polygon([outer, inner1, inner2]);
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var multi = new ol.geom.GeometryCollection([point, line, poly]);
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expect(multi).to.be.a(ol.geom.GeometryCollection);
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expect(multi).to.be.a(ol.geom.Geometry);
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});
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});
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describe('#getGeometries', function() {
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it('returns a collection of geometries', function() {
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var point = new ol.geom.Point([10, 20]);
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var line = new ol.geom.LineString([[10, 20], [30, 40]]);
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var poly = new ol.geom.Polygon([outer, inner1, inner2]);
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var multi = new ol.geom.GeometryCollection([point, line, poly]);
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var geometries = multi.getGeometries();
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expect(geometries).to.be.an(Array);
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expect(geometries).to.have.length(3);
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expect(geometries[0]).to.be.a(ol.geom.Point);
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expect(geometries[1]).to.be.a(ol.geom.LineString);
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expect(geometries[2]).to.be.a(ol.geom.Polygon);
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});
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});
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describe('#clone()', function() {
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it('has a working clone method', function() {
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var point = new ol.geom.Point([10, 20]);
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var line = new ol.geom.LineString([[10, 20], [30, 40]]);
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var poly = new ol.geom.Polygon([outer, inner1, inner2]);
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var multi = new ol.geom.GeometryCollection([point, line, poly]);
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var clone = multi.clone();
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expect(clone).to.not.be(multi);
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var geometries = clone.getGeometries();
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expect(geometries[0].getCoordinates()).to.eql([10, 20]);
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expect(geometries[1].getCoordinates()).to.eql([[10, 20], [30, 40]]);
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expect(geometries[2].getCoordinates()).to.eql([outer, inner1, inner2]);
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});
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it('does a deep clone', function() {
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var point = new ol.geom.Point([30, 40]);
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var originalGeometries = [point];
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var multi = new ol.geom.GeometryCollection(originalGeometries);
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var clone = multi.clone();
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var clonedGeometries = multi.getGeometries();
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expect(clonedGeometries).not.to.be(originalGeometries);
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expect(clonedGeometries).to.have.length(originalGeometries.length);
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expect(clonedGeometries).to.have.length(1);
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expect(clonedGeometries[0]).not.to.be(originalGeometries[0]);
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expect(clonedGeometries[0].getCoordinates()).
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to.eql(originalGeometries[0].getCoordinates());
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});
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});
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describe('#getExtent()', function() {
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it('returns the bounding extent', function() {
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var point = new ol.geom.Point([10, 2]);
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var line = new ol.geom.LineString([[1, 20], [30, 40]]);
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var multi = new ol.geom.GeometryCollection([point, line]);
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var extent = multi.getExtent();
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expect(extent[0]).to.be(1);
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expect(extent[2]).to.be(30);
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expect(extent[1]).to.be(2);
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expect(extent[3]).to.be(40);
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});
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});
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describe('#setGeometries', function() {
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var line, multi, point, poly;
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beforeEach(function() {
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point = new ol.geom.Point([10, 20]);
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line = new ol.geom.LineString([[10, 20], [30, 40]]);
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poly = new ol.geom.Polygon([outer, inner1, inner2]);
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multi = new ol.geom.GeometryCollection([point, line, poly]);
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});
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it('fires a change event', function() {
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var listener = sinon.spy();
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multi.on('change', listener);
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point.setCoordinates([15, 25]);
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expect(listener.calledOnce).to.be(false);
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multi.setGeometries([point, line, poly]);
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expect(listener.calledOnce).to.be(true);
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});
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it('updates the extent', function() {
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expect(multi.getExtent()).to.eql([0, 0, 30, 40]);
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line.setCoordinates([[10, 20], [300, 400]]);
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expect(multi.getExtent()).to.eql([0, 0, 30, 40]);
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multi.setGeometries([point, line, poly]);
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expect(multi.getExtent()).to.eql([0, 0, 300, 400]);
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});
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});
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});
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goog.require('ol.Collection');
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goog.require('ol.geom.Geometry');
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goog.require('ol.geom.GeometryCollection');
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goog.require('ol.geom.LineString');
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goog.require('ol.geom.Point');
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goog.require('ol.geom.Polygon');
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