270 lines
7.4 KiB
JavaScript
270 lines
7.4 KiB
JavaScript
goog.provide('ol.test.Feature');
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describe('ol.Feature', function() {
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describe('constructor', function() {
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it('creates a new feature', function() {
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var feature = new ol.Feature();
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expect(feature).to.be.a(ol.Feature);
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});
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it('takes attribute values', function() {
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var feature = new ol.Feature({
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foo: 'bar'
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});
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expect(feature.get('foo')).to.be('bar');
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});
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it('can store the feature\'s commonly used id', function() {
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var feature = new ol.Feature();
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feature.setId('foo');
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expect(feature.getId()).to.be('foo');
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});
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it('will set the default geometry', function() {
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var feature = new ol.Feature({
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loc: new ol.geom.Point([10, 20]),
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foo: 'bar'
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});
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var geometry = feature.getGeometry();
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expect(geometry).to.be.a(ol.geom.Point);
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expect(feature.get('loc')).to.be(geometry);
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});
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});
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describe('#get()', function() {
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it('returns values set at construction', function() {
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var feature = new ol.Feature({
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a: 'first',
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b: 'second'
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});
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expect(feature.get('a')).to.be('first');
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expect(feature.get('b')).to.be('second');
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});
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it('returns undefined for unset attributes', function() {
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var feature = new ol.Feature();
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expect(feature.get('a')).to.be(undefined);
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});
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it('returns values set by set', function() {
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var feature = new ol.Feature();
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feature.set('a', 'b');
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expect(feature.get('a')).to.be('b');
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});
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});
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describe('#getAttributes()', function() {
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it('returns an object with all attributes', function() {
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var point = new ol.geom.Point([15, 30]);
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var feature = new ol.Feature({
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foo: 'bar',
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ten: 10,
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loc: point
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});
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var attributes = feature.getAttributes();
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var keys = goog.object.getKeys(attributes);
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expect(keys.sort()).to.eql(['foo', 'loc', 'ten']);
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expect(attributes.foo).to.be('bar');
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expect(attributes.loc).to.be(point);
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expect(attributes.ten).to.be(10);
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});
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it('returns an object with all attributes except geometry', function() {
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var point = new ol.geom.Point([15, 30]);
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var feature = new ol.Feature({
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foo: 'bar',
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ten: 10,
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loc: point
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});
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var attributes = feature.getAttributes(true);
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var keys = goog.object.getKeys(attributes);
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expect(keys.sort()).to.eql(['foo', 'ten']);
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expect(attributes.foo).to.be('bar');
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expect(attributes.ten).to.be(10);
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});
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});
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describe('#getGeometry()', function() {
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var point = new ol.geom.Point([15, 30]);
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it('returns null for no geometry', function() {
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var feature = new ol.Feature();
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expect(feature.getGeometry()).to.be(null);
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});
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it('gets the geometry set at construction', function() {
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var feature = new ol.Feature({
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geom: point
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});
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expect(feature.getGeometry()).to.be(point);
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});
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it('gets any geometry set by setGeometry', function() {
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var feature = new ol.Feature();
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feature.setGeometry(point);
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expect(feature.getGeometry()).to.be(point);
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var point2 = new ol.geom.Point([1, 2]);
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feature.setGeometry(point2);
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expect(feature.getGeometry()).to.be(point2);
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});
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it('gets the first geometry set by set', function() {
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var feature = new ol.Feature();
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feature.set('foo', point);
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expect(feature.getGeometry()).to.be(point);
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feature.set('bar', new ol.geom.Point([1, 2]));
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expect(feature.getGeometry()).to.be(point);
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});
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});
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describe('#set()', function() {
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it('sets values', function() {
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var feature = new ol.Feature({
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a: 'first',
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b: 'second'
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});
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feature.set('a', 'new');
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expect(feature.get('a')).to.be('new');
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});
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it('can be used to set the geometry', function() {
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var point = new ol.geom.Point([3, 4]);
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var feature = new ol.Feature({
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loc: new ol.geom.Point([1, 2])
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});
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feature.set('loc', point);
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expect(feature.get('loc')).to.be(point);
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expect(feature.getGeometry()).to.be(point);
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});
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it('can be used to set attributes with arbitrary names', function() {
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var feature = new ol.Feature();
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feature.set('toString', 'string');
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expect(feature.get('toString')).to.be('string');
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expect(typeof feature.toString).to.be('function');
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feature.set('getGeometry', 'x');
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expect(feature.get('getGeometry')).to.be('x');
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feature.set('geom', new ol.geom.Point([1, 2]));
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expect(feature.getGeometry()).to.be.a(ol.geom.Point);
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});
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it('triggers a featurechange event', function(done) {
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var feature = new ol.Feature();
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goog.events.listen(feature, 'featurechange', function(evt) {
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expect(evt.target).to.be(feature);
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expect(evt.oldExtent).to.be(null);
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done();
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});
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feature.set('foo', 'bar');
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});
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it('triggers a featurechange event with oldExtent', function(done) {
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var feature = new ol.Feature({
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geom: new ol.geom.Point([15, 30])
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});
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goog.events.listen(feature, 'featurechange', function(evt) {
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expect(evt.target).to.be(feature);
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expect(evt.oldExtent).to.eql([15, 30, 15, 30]);
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done();
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});
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feature.setGeometry(new ol.geom.Point([1, 2]));
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});
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});
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describe('#setGeometry()', function() {
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var point = new ol.geom.Point([15, 30]);
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it('sets the default geometry', function() {
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var feature = new ol.Feature();
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feature.setGeometry(point);
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expect(feature.get(ol.Feature.DEFAULT_GEOMETRY)).to.be(point);
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});
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it('replaces previous default geometry', function() {
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var feature = new ol.Feature({
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geom: point
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});
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expect(feature.getGeometry()).to.be(point);
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var point2 = new ol.geom.Point([1, 2]);
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feature.setGeometry(point2);
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expect(feature.getGeometry()).to.be(point2);
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});
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it('gets any geometry set by setGeometry', function() {
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var feature = new ol.Feature();
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feature.setGeometry(point);
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expect(feature.getGeometry()).to.be(point);
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var point2 = new ol.geom.Point([1, 2]);
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feature.setGeometry(point2);
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expect(feature.getGeometry()).to.be(point2);
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});
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it('gets the first geometry set by set', function() {
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var feature = new ol.Feature();
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feature.set('foo', point);
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expect(feature.getGeometry()).to.be(point);
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feature.set('bar', new ol.geom.Point([1, 2]));
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expect(feature.getGeometry()).to.be(point);
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});
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it('triggers a featurechange event', function(done) {
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var feature = new ol.Feature();
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goog.events.listen(feature, 'featurechange', function(evt) {
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expect(evt.target).to.be(feature);
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done();
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});
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feature.setGeometry('foo', point);
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});
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it('triggers a featurechange event with old extent', function(done) {
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var first = new ol.geom.Point([10, 20]);
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var feature = new ol.Feature({geom: first});
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var second = new ol.geom.Point([20, 30]);
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goog.events.listen(feature, 'featurechange', function(evt) {
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expect(evt.target).to.be(feature);
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expect(evt.target.getGeometry()).to.be(second);
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expect(evt.oldExtent).to.eql(first.getBounds());
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done();
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});
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feature.setGeometry(second);
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});
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});
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});
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goog.require('goog.events');
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goog.require('goog.object');
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goog.require('ol.Feature');
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goog.require('ol.geom.Point');
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