468 lines
13 KiB
JavaScript
468 lines
13 KiB
JavaScript
import Feature, {createStyleFunction} from '../../../src/ol/Feature.js';
|
|
import Point from '../../../src/ol/geom/Point.js';
|
|
import {isEmpty} from '../../../src/ol/obj.js';
|
|
import Style from '../../../src/ol/style/Style.js';
|
|
|
|
|
|
describe('ol.Feature', function() {
|
|
|
|
describe('constructor', function() {
|
|
|
|
it('creates a new feature', function() {
|
|
const feature = new Feature();
|
|
expect(feature).to.be.a(Feature);
|
|
});
|
|
|
|
it('takes properties', function() {
|
|
const feature = new Feature({
|
|
foo: 'bar'
|
|
});
|
|
expect(feature.get('foo')).to.be('bar');
|
|
});
|
|
|
|
it('can store the feature\'s commonly used id', function() {
|
|
const feature = new Feature();
|
|
feature.setId('foo');
|
|
expect(feature.getId()).to.be('foo');
|
|
});
|
|
|
|
it('will set the default geometry', function() {
|
|
const feature = new Feature({
|
|
geometry: new Point([10, 20]),
|
|
foo: 'bar'
|
|
});
|
|
const geometry = feature.getGeometry();
|
|
expect(geometry).to.be.a(Point);
|
|
expect(feature.get('geometry')).to.be(geometry);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#get()', function() {
|
|
|
|
it('returns values set at construction', function() {
|
|
const feature = new Feature({
|
|
a: 'first',
|
|
b: 'second'
|
|
});
|
|
expect(feature.get('a')).to.be('first');
|
|
expect(feature.get('b')).to.be('second');
|
|
});
|
|
|
|
it('returns undefined for unset attributes', function() {
|
|
const feature = new Feature();
|
|
expect(feature.get('a')).to.be(undefined);
|
|
});
|
|
|
|
it('returns values set by set', function() {
|
|
const feature = new Feature();
|
|
feature.set('a', 'b');
|
|
expect(feature.get('a')).to.be('b');
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getProperties()', function() {
|
|
|
|
it('returns an object with all attributes', function() {
|
|
const point = new Point([15, 30]);
|
|
const feature = new Feature({
|
|
foo: 'bar',
|
|
ten: 10,
|
|
geometry: point
|
|
});
|
|
|
|
const attributes = feature.getProperties();
|
|
|
|
const keys = Object.keys(attributes);
|
|
expect(keys.sort()).to.eql(['foo', 'geometry', 'ten']);
|
|
|
|
expect(attributes.foo).to.be('bar');
|
|
expect(attributes.geometry).to.be(point);
|
|
expect(attributes.ten).to.be(10);
|
|
});
|
|
|
|
it('is empty by default', function() {
|
|
const feature = new Feature();
|
|
const properties = feature.getProperties();
|
|
expect(isEmpty(properties)).to.be(true);
|
|
});
|
|
|
|
});
|
|
|
|
|
|
describe('#getGeometry()', function() {
|
|
|
|
const point = new Point([15, 30]);
|
|
|
|
it('returns undefined for unset geometry', function() {
|
|
const feature = new Feature();
|
|
expect(feature.getGeometry()).to.be(undefined);
|
|
});
|
|
|
|
it('returns null for null geometry (constructor)', function() {
|
|
const feature = new Feature(null);
|
|
expect(feature.getGeometry()).to.be(undefined);
|
|
});
|
|
|
|
it('returns null for null geometry (setGeometry())', function() {
|
|
const feature = new Feature();
|
|
feature.setGeometry(null);
|
|
expect(feature.getGeometry()).to.be(null);
|
|
});
|
|
|
|
it('gets the geometry set at construction', function() {
|
|
const feature = new Feature({
|
|
geometry: point
|
|
});
|
|
expect(feature.getGeometry()).to.be(point);
|
|
});
|
|
|
|
it('gets any geometry set by setGeometry', function() {
|
|
const feature = new Feature();
|
|
feature.setGeometry(point);
|
|
expect(feature.getGeometry()).to.be(point);
|
|
|
|
const point2 = new Point([1, 2]);
|
|
feature.setGeometry(point2);
|
|
expect(feature.getGeometry()).to.be(point2);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#set()', function() {
|
|
|
|
it('sets values', function() {
|
|
const feature = new Feature({
|
|
a: 'first',
|
|
b: 'second'
|
|
});
|
|
feature.set('a', 'new');
|
|
expect(feature.get('a')).to.be('new');
|
|
});
|
|
|
|
it('can be used to set the geometry', function() {
|
|
const point = new Point([3, 4]);
|
|
const feature = new Feature({
|
|
geometry: new Point([1, 2])
|
|
});
|
|
feature.set('geometry', point);
|
|
expect(feature.get('geometry')).to.be(point);
|
|
expect(feature.getGeometry()).to.be(point);
|
|
});
|
|
|
|
it('can be used to set attributes with arbitrary names', function() {
|
|
|
|
const feature = new Feature();
|
|
|
|
feature.set('toString', 'string');
|
|
expect(feature.get('toString')).to.be('string');
|
|
expect(typeof feature.toString).to.be('function');
|
|
|
|
feature.set('getGeometry', 'x');
|
|
expect(feature.get('getGeometry')).to.be('x');
|
|
|
|
feature.set('geometry', new Point([1, 2]));
|
|
expect(feature.getGeometry()).to.be.a(Point);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
describe('#setGeometry()', function() {
|
|
|
|
const point = new Point([15, 30]);
|
|
|
|
it('sets the default geometry', function() {
|
|
const feature = new Feature();
|
|
feature.setGeometry(point);
|
|
expect(feature.get('geometry')).to.be(point);
|
|
});
|
|
|
|
it('replaces previous default geometry', function() {
|
|
const feature = new Feature({
|
|
geometry: point
|
|
});
|
|
expect(feature.getGeometry()).to.be(point);
|
|
|
|
const point2 = new Point([1, 2]);
|
|
feature.setGeometry(point2);
|
|
expect(feature.getGeometry()).to.be(point2);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#setGeometryName()', function() {
|
|
|
|
const point = new Point([15, 30]);
|
|
|
|
it('sets property where to to look at geometry', function() {
|
|
const feature = new Feature();
|
|
feature.setGeometry(point);
|
|
expect(feature.getGeometry()).to.be(point);
|
|
|
|
const point2 = new Point([1, 2]);
|
|
feature.set('altGeometry', point2);
|
|
expect(feature.getGeometry()).to.be(point);
|
|
feature.setGeometryName('altGeometry');
|
|
expect(feature.getGeometry()).to.be(point2);
|
|
|
|
feature.on('change', function() {
|
|
expect.fail();
|
|
});
|
|
point.setCoordinates([0, 2]);
|
|
});
|
|
|
|
it('changes property listener', function() {
|
|
const feature = new Feature();
|
|
feature.setGeometry(point);
|
|
const point2 = new Point([1, 2]);
|
|
feature.set('altGeometry', point2);
|
|
feature.setGeometryName('altGeometry');
|
|
|
|
const spy = sinon.spy();
|
|
feature.on('change', spy);
|
|
point2.setCoordinates([0, 2]);
|
|
expect(spy.callCount).to.be(1);
|
|
});
|
|
|
|
it('can use a different geometry name', function() {
|
|
const feature = new Feature();
|
|
feature.setGeometryName('foo');
|
|
const point = new Point([10, 20]);
|
|
feature.setGeometry(point);
|
|
expect(feature.getGeometry()).to.be(point);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#setId()', function() {
|
|
|
|
it('sets the feature identifier', function() {
|
|
const feature = new Feature();
|
|
expect(feature.getId()).to.be(undefined);
|
|
feature.setId('foo');
|
|
expect(feature.getId()).to.be('foo');
|
|
});
|
|
|
|
it('accepts a string or number', function() {
|
|
const feature = new Feature();
|
|
feature.setId('foo');
|
|
expect(feature.getId()).to.be('foo');
|
|
feature.setId(2);
|
|
expect(feature.getId()).to.be(2);
|
|
});
|
|
|
|
it('dispatches the "change" event', function(done) {
|
|
const feature = new Feature();
|
|
feature.on('change', function() {
|
|
expect(feature.getId()).to.be('foo');
|
|
done();
|
|
});
|
|
feature.setId('foo');
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getStyleFunction()', function() {
|
|
|
|
const styleFunction = function(feature, resolution) {
|
|
return null;
|
|
};
|
|
|
|
it('returns undefined after construction', function() {
|
|
const feature = new Feature();
|
|
expect(feature.getStyleFunction()).to.be(undefined);
|
|
});
|
|
|
|
it('returns the function passed to setStyle', function() {
|
|
const feature = new Feature();
|
|
feature.setStyle(styleFunction);
|
|
expect(feature.getStyleFunction()).to.be(styleFunction);
|
|
});
|
|
|
|
it('does not get confused with user "styleFunction" property', function() {
|
|
const feature = new Feature();
|
|
feature.set('styleFunction', 'foo');
|
|
expect(feature.getStyleFunction()).to.be(undefined);
|
|
});
|
|
|
|
it('does not get confused with "styleFunction" option', function() {
|
|
const feature = new Feature({
|
|
styleFunction: 'foo'
|
|
});
|
|
expect(feature.getStyleFunction()).to.be(undefined);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#setStyle()', function() {
|
|
|
|
const style = new Style();
|
|
|
|
const styleFunction = function(feature, resolution) {
|
|
return resolution;
|
|
};
|
|
|
|
it('accepts a single style', function() {
|
|
const feature = new Feature();
|
|
feature.setStyle(style);
|
|
const func = feature.getStyleFunction();
|
|
expect(func()).to.eql([style]);
|
|
});
|
|
|
|
it('accepts an array of styles', function() {
|
|
const feature = new Feature();
|
|
feature.setStyle([style]);
|
|
const func = feature.getStyleFunction();
|
|
expect(func()).to.eql([style]);
|
|
});
|
|
|
|
it('accepts a style function', function() {
|
|
const feature = new Feature();
|
|
feature.setStyle(styleFunction);
|
|
expect(feature.getStyleFunction()).to.be(styleFunction);
|
|
expect(feature.getStyleFunction()(feature, 42)).to.be(42);
|
|
});
|
|
|
|
it('accepts null', function() {
|
|
const feature = new Feature();
|
|
feature.setStyle(style);
|
|
feature.setStyle(null);
|
|
expect(feature.getStyle()).to.be(null);
|
|
expect(feature.getStyleFunction()).to.be(undefined);
|
|
});
|
|
|
|
it('dispatches a change event', function() {
|
|
const feature = new Feature();
|
|
const spy = sinon.spy();
|
|
feature.on('change', spy);
|
|
feature.setStyle(style);
|
|
expect(spy.callCount).to.be(1);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#getStyle()', function() {
|
|
|
|
const style = new Style();
|
|
|
|
const styleFunction = function(feature, resolution) {
|
|
return null;
|
|
};
|
|
|
|
it('returns what is passed to setStyle', function() {
|
|
const feature = new Feature();
|
|
|
|
expect(feature.getStyle()).to.be(null);
|
|
|
|
feature.setStyle(style);
|
|
expect(feature.getStyle()).to.be(style);
|
|
|
|
feature.setStyle([style]);
|
|
expect(feature.getStyle()).to.eql([style]);
|
|
|
|
feature.setStyle(styleFunction);
|
|
expect(feature.getStyle()).to.be(styleFunction);
|
|
|
|
});
|
|
|
|
it('does not get confused with "style" option to constructor', function() {
|
|
const feature = new Feature({
|
|
style: 'foo'
|
|
});
|
|
|
|
expect(feature.getStyle()).to.be(null);
|
|
});
|
|
|
|
it('does not get confused with user set "style" property', function() {
|
|
const feature = new Feature();
|
|
feature.set('style', 'foo');
|
|
|
|
expect(feature.getStyle()).to.be(null);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#clone', function() {
|
|
|
|
it('correctly clones features', function() {
|
|
const feature = new Feature();
|
|
feature.setProperties({'fookey': 'fooval'});
|
|
feature.setId(1);
|
|
feature.setGeometryName('geom');
|
|
const geometry = new Point([1, 2]);
|
|
feature.setGeometry(geometry);
|
|
const style = new Style({});
|
|
feature.setStyle(style);
|
|
feature.set('barkey', 'barval');
|
|
|
|
const clone = feature.clone();
|
|
expect(clone.get('fookey')).to.be('fooval');
|
|
expect(clone.getId()).to.be(undefined);
|
|
expect(clone.getGeometryName()).to.be('geom');
|
|
const geometryClone = clone.getGeometry();
|
|
expect(geometryClone).not.to.be(geometry);
|
|
const coordinates = geometryClone.getFlatCoordinates();
|
|
expect(coordinates[0]).to.be(1);
|
|
expect(coordinates[1]).to.be(2);
|
|
expect(clone.getStyle()).to.be(style);
|
|
expect(clone.get('barkey')).to.be('barval');
|
|
});
|
|
|
|
it('correctly clones features with no geometry and no style', function() {
|
|
const feature = new Feature();
|
|
feature.set('fookey', 'fooval');
|
|
|
|
const clone = feature.clone();
|
|
expect(clone.get('fookey')).to.be('fooval');
|
|
expect(clone.getGeometry()).to.be(undefined);
|
|
expect(clone.getStyle()).to.be(null);
|
|
});
|
|
});
|
|
|
|
describe('#setGeometry()', function() {
|
|
|
|
it('dispatches a change event when geometry is set to null',
|
|
function() {
|
|
const feature = new Feature({
|
|
geometry: new Point([0, 0])
|
|
});
|
|
const spy = sinon.spy();
|
|
feature.on('change', spy);
|
|
feature.setGeometry(null);
|
|
expect(spy.callCount).to.be(1);
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
describe('ol.Feature.createStyleFunction()', function() {
|
|
const style = new Style();
|
|
|
|
it('creates a feature style function from a single style', function() {
|
|
const styleFunction = createStyleFunction(style);
|
|
expect(styleFunction()).to.eql([style]);
|
|
});
|
|
|
|
it('creates a feature style function from an array of styles', function() {
|
|
const styleFunction = createStyleFunction([style]);
|
|
expect(styleFunction()).to.eql([style]);
|
|
});
|
|
|
|
it('passes through a function', function() {
|
|
const original = function(feature, resolution) {
|
|
return [style];
|
|
};
|
|
const styleFunction = createStyleFunction(original);
|
|
expect(styleFunction).to.be(original);
|
|
});
|
|
|
|
it('throws on (some) unexpected input', function() {
|
|
expect(function() {
|
|
createStyleFunction({bogus: 'input'});
|
|
}).to.throwException();
|
|
});
|
|
|
|
});
|