Files
openlayers/test/spec/ol/source/vectorsource.test.js
2013-03-02 12:50:53 +01:00

111 lines
3.5 KiB
JavaScript

goog.provide('ol.test.source.Vector');
describe('ol.source.Vector', function() {
var vectorSource;
describe('#addFeatures()', function() {
it('works', function() {
vectorSource = new ol.source.Vector({
projection: ol.Projection.getFromCode('EPSG:4326')
});
vectorSource.addFeatures([new ol.Feature()]);
expect(vectorSource.getFeatures().length).toEqual(1);
});
});
describe('#getFeatures()', function() {
var features;
beforeEach(function() {
features = [
new ol.Feature({
g: new ol.geom.Point([16.0, 48.0])
}),
new ol.Feature({
g: new ol.geom.Point([16.1, 48.1])
}),
new ol.Feature({
g: new ol.geom.Point([16.2, 48.2])
}),
new ol.Feature({
g: new ol.geom.Point([16.3, 48.3])
}),
new ol.Feature({
g: new ol.geom.LineString([[16.4, 48.4], [16.5, 48.5]])
}),
new ol.Feature({
g: new ol.geom.LineString([[16.6, 48.6], [16.7, 48.7]])
}),
new ol.Feature({
g: new ol.geom.LineString([[16.8, 48.8], [16.9, 48.9]])
}),
new ol.Feature({
g: new ol.geom.LineString([[17.0, 49.0], [17.1, 49.1]])
})
];
vectorSource = new ol.source.Vector({
projection: ol.Projection.getFromCode('EPSG:4326')
});
vectorSource.addFeatures(features);
});
var geomFilter = new ol.filter.Geometry(ol.geom.GeometryType.LINESTRING);
var extentFilter = new ol.filter.Extent(new ol.Extent(16, 48, 16.3, 48.3));
it('can filter by geometry type using its GeometryType index', function() {
spyOn(geomFilter, 'applies');
var lineStrings = vectorSource.getFeatures(geomFilter);
expect(geomFilter.applies).not.toHaveBeenCalled();
expect(lineStrings.length).toEqual(4);
expect(lineStrings).toContain(features[4]);
});
it('can filter by extent using its RTree', function() {
spyOn(extentFilter, 'applies');
var subset = vectorSource.getFeatures(extentFilter);
expect(extentFilter.applies).not.toHaveBeenCalled();
expect(subset.length).toEqual(4);
expect(subset).not.toContain(features[7]);
});
it('can filter by extent and geometry type using its index', function() {
var filter1 = new ol.filter.Logical([geomFilter, extentFilter],
ol.filter.LogicalOperator.AND);
var filter2 = new ol.filter.Logical([extentFilter, geomFilter],
ol.filter.LogicalOperator.AND);
spyOn(filter1, 'applies');
spyOn(filter2, 'applies');
var subset1 = vectorSource.getFeatures(filter1);
var subset2 = vectorSource.getFeatures(filter2);
expect(filter1.applies).not.toHaveBeenCalled();
expect(filter2.applies).not.toHaveBeenCalled();
expect(subset1.length).toEqual(0);
expect(subset2.length).toEqual(0);
});
it('can handle query using the filter\'s applies function', function() {
var filter = new ol.filter.Logical([geomFilter, extentFilter],
ol.filter.LogicalOperator.OR);
spyOn(filter, 'applies').andCallThrough();
var subset = vectorSource.getFeatures(filter);
expect(filter.applies).toHaveBeenCalled();
expect(subset.length).toEqual(8);
});
});
});
goog.require('ol.Projection');
goog.require('ol.filter.Geometry');
goog.require('ol.filter.Logical');
goog.require('ol.filter.LogicalOperator');
goog.require('ol.geom.GeometryType');
goog.require('ol.geom.Point');
goog.require('ol.geom.LineString');
goog.require('ol.source.Vector');