381 lines
12 KiB
JavaScript
381 lines
12 KiB
JavaScript
goog.provide('ol.test.format.Polyline');
|
|
|
|
describe('ol.format.Polyline', function() {
|
|
|
|
var format;
|
|
var points;
|
|
var flatPoints, encodedFlatPoints;
|
|
var floats, smallFloats, encodedFloats;
|
|
var signedIntegers, encodedSignedIntegers;
|
|
var unsignedIntegers, encodedUnsignedIntegers;
|
|
|
|
function resetTestingData() {
|
|
format = new ol.format.Polyline();
|
|
points = [[-120.20000, 38.50000],
|
|
[-120.95000, 40.70000],
|
|
[-126.45300, 43.25200]];
|
|
flatPoints = [-120.20000, 38.50000,
|
|
-120.95000, 40.70000,
|
|
-126.45300, 43.25200];
|
|
encodedFlatPoints = '~ps|U_p~iFnnqC_ulLvxq`@_mqN';
|
|
points3857 = [
|
|
ol.proj.transform([-120.20000, 38.50000], 'EPSG:4326', 'EPSG:3857'),
|
|
ol.proj.transform([-120.95000, 40.70000], 'EPSG:4326', 'EPSG:3857'),
|
|
ol.proj.transform([-126.45300, 43.25200], 'EPSG:4326', 'EPSG:3857')];
|
|
|
|
floats = [0.00, 0.15, -0.01, -0.16, 0.16, 0.01];
|
|
smallFloats = [0.00000, 0.00015, -0.00001, -0.00016, 0.00016, 0.00001];
|
|
encodedFloats = '?]@^_@A';
|
|
|
|
signedIntegers = [0, 15, -1, -16, 16, 1];
|
|
encodedSignedIntegers = '?]@^_@A';
|
|
|
|
unsignedIntegers = [0, 30, 1, 31, 32, 2, 174];
|
|
encodedUnsignedIntegers = '?]@^_@AmD';
|
|
}
|
|
|
|
// Reset testing data
|
|
beforeEach(resetTestingData);
|
|
|
|
|
|
describe('encodeDeltas', function() {
|
|
it('returns expected value', function() {
|
|
var encodeDeltas = ol.format.Polyline.encodeDeltas;
|
|
|
|
expect(encodeDeltas(flatPoints, 2)).to.eql(encodedFlatPoints);
|
|
});
|
|
});
|
|
|
|
describe('decodeDeltas', function() {
|
|
it('returns expected value', function() {
|
|
var decodeDeltas = ol.format.Polyline.decodeDeltas;
|
|
|
|
expect(decodeDeltas(encodedFlatPoints, 2)).to.eql(flatPoints);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
describe('encodeFloats', function() {
|
|
it('returns expected value', function() {
|
|
var encodeFloats = ol.format.Polyline.encodeFloats;
|
|
|
|
expect(encodeFloats(smallFloats)).to.eql(encodedFloats);
|
|
|
|
resetTestingData();
|
|
expect(encodeFloats(smallFloats, 1e5)).to.eql(encodedFloats);
|
|
|
|
expect(encodeFloats(floats, 1e2)).to.eql(encodedFloats);
|
|
});
|
|
});
|
|
|
|
describe('decodeFloats', function() {
|
|
it('returns expected value', function() {
|
|
var decodeFloats = ol.format.Polyline.decodeFloats;
|
|
|
|
expect(decodeFloats(encodedFloats)).to.eql(smallFloats);
|
|
expect(decodeFloats(encodedFloats, 1e5)).to.eql(smallFloats);
|
|
expect(decodeFloats(encodedFloats, 1e2)).to.eql(floats);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
describe('encodeSignedIntegers', function() {
|
|
it('returns expected value', function() {
|
|
var encodeSignedIntegers = ol.format.Polyline.encodeSignedIntegers;
|
|
|
|
expect(encodeSignedIntegers(
|
|
signedIntegers)).to.eql(encodedSignedIntegers);
|
|
});
|
|
});
|
|
|
|
describe('decodeSignedIntegers', function() {
|
|
it('returns expected value', function() {
|
|
var decodeSignedIntegers = ol.format.Polyline.decodeSignedIntegers;
|
|
|
|
expect(decodeSignedIntegers(
|
|
encodedSignedIntegers)).to.eql(signedIntegers);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
describe('encodeUnsignedIntegers', function() {
|
|
it('returns expected value', function() {
|
|
var encodeUnsignedIntegers = ol.format.Polyline.encodeUnsignedIntegers;
|
|
|
|
expect(encodeUnsignedIntegers(
|
|
unsignedIntegers)).to.eql(encodedUnsignedIntegers);
|
|
});
|
|
});
|
|
|
|
describe('decodeUnsignedIntegers', function() {
|
|
it('returns expected value', function() {
|
|
var decodeUnsignedIntegers = ol.format.Polyline.decodeUnsignedIntegers;
|
|
|
|
expect(decodeUnsignedIntegers(
|
|
encodedUnsignedIntegers)).to.eql(unsignedIntegers);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
describe('encodeFloat', function() {
|
|
it('returns expected value', function() {
|
|
var encodeFloats = ol.format.Polyline.encodeFloats;
|
|
|
|
expect(encodeFloats([0.00000])).to.eql('?');
|
|
expect(encodeFloats([-0.00001])).to.eql('@');
|
|
expect(encodeFloats([0.00001])).to.eql('A');
|
|
expect(encodeFloats([-0.00002])).to.eql('B');
|
|
expect(encodeFloats([0.00002])).to.eql('C');
|
|
expect(encodeFloats([0.00015])).to.eql(']');
|
|
expect(encodeFloats([-0.00016])).to.eql('^');
|
|
|
|
expect(encodeFloats([-0.1], 10)).to.eql('@');
|
|
expect(encodeFloats([0.1], 10)).to.eql('A');
|
|
|
|
expect(encodeFloats([16 * 32 / 1e5])).to.eql('__@');
|
|
expect(encodeFloats([16 * 32 * 32 / 1e5])).to.eql('___@');
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(encodeFloats([-179.9832104])).to.eql('`~oia@');
|
|
});
|
|
});
|
|
|
|
describe('decodeFloat', function() {
|
|
it('returns expected value', function() {
|
|
var decodeFloats = ol.format.Polyline.decodeFloats;
|
|
|
|
expect(decodeFloats('?')).to.eql([0.00000]);
|
|
expect(decodeFloats('@')).to.eql([-0.00001]);
|
|
expect(decodeFloats('A')).to.eql([0.00001]);
|
|
expect(decodeFloats('B')).to.eql([-0.00002]);
|
|
expect(decodeFloats('C')).to.eql([0.00002]);
|
|
expect(decodeFloats(']')).to.eql([0.00015]);
|
|
expect(decodeFloats('^')).to.eql([-0.00016]);
|
|
|
|
expect(decodeFloats('@', 10)).to.eql([-0.1]);
|
|
expect(decodeFloats('A', 10)).to.eql([0.1]);
|
|
|
|
expect(decodeFloats('__@')).to.eql([16 * 32 / 1e5]);
|
|
expect(decodeFloats('___@')).to.eql([16 * 32 * 32 / 1e5]);
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(decodeFloats('`~oia@')).to.eql([-179.98321]);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
describe('encodeSignedInteger', function() {
|
|
it('returns expected value', function() {
|
|
var encodeSignedIntegers = ol.format.Polyline.encodeSignedIntegers;
|
|
|
|
expect(encodeSignedIntegers([0])).to.eql('?');
|
|
expect(encodeSignedIntegers([-1])).to.eql('@');
|
|
expect(encodeSignedIntegers([1])).to.eql('A');
|
|
expect(encodeSignedIntegers([-2])).to.eql('B');
|
|
expect(encodeSignedIntegers([2])).to.eql('C');
|
|
expect(encodeSignedIntegers([15])).to.eql(']');
|
|
expect(encodeSignedIntegers([-16])).to.eql('^');
|
|
|
|
expect(encodeSignedIntegers([16])).to.eql('_@');
|
|
expect(encodeSignedIntegers([16 * 32])).to.eql('__@');
|
|
expect(encodeSignedIntegers([16 * 32 * 32])).to.eql('___@');
|
|
});
|
|
});
|
|
|
|
describe('decodeSignedInteger', function() {
|
|
it('returns expected value', function() {
|
|
var decodeSignedIntegers = ol.format.Polyline.decodeSignedIntegers;
|
|
|
|
expect(decodeSignedIntegers('?')).to.eql([0]);
|
|
expect(decodeSignedIntegers('@')).to.eql([-1]);
|
|
expect(decodeSignedIntegers('A')).to.eql([1]);
|
|
expect(decodeSignedIntegers('B')).to.eql([-2]);
|
|
expect(decodeSignedIntegers('C')).to.eql([2]);
|
|
expect(decodeSignedIntegers(']')).to.eql([15]);
|
|
expect(decodeSignedIntegers('^')).to.eql([-16]);
|
|
|
|
expect(decodeSignedIntegers('_@')).to.eql([16]);
|
|
expect(decodeSignedIntegers('__@')).to.eql([16 * 32]);
|
|
expect(decodeSignedIntegers('___@')).to.eql([16 * 32 * 32]);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
describe('encodeUnsignedInteger', function() {
|
|
it('returns expected value', function() {
|
|
var encodeUnsignedInteger = ol.format.Polyline.encodeUnsignedInteger;
|
|
|
|
expect(encodeUnsignedInteger(0)).to.eql('?');
|
|
expect(encodeUnsignedInteger(1)).to.eql('@');
|
|
expect(encodeUnsignedInteger(2)).to.eql('A');
|
|
expect(encodeUnsignedInteger(30)).to.eql(']');
|
|
expect(encodeUnsignedInteger(31)).to.eql('^');
|
|
expect(encodeUnsignedInteger(32)).to.eql('_@');
|
|
|
|
expect(encodeUnsignedInteger(32 * 32)).to.eql('__@');
|
|
expect(encodeUnsignedInteger(5 * 32 * 32)).to.eql('__D');
|
|
expect(encodeUnsignedInteger(32 * 32 * 32)).to.eql('___@');
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(encodeUnsignedInteger(174)).to.eql('mD');
|
|
});
|
|
});
|
|
|
|
describe('decodeUnsignedInteger', function() {
|
|
it('returns expected value', function() {
|
|
var decodeUnsignedIntegers = ol.format.Polyline.decodeUnsignedIntegers;
|
|
|
|
expect(decodeUnsignedIntegers('?')).to.eql([0]);
|
|
expect(decodeUnsignedIntegers('@')).to.eql([1]);
|
|
expect(decodeUnsignedIntegers('A')).to.eql([2]);
|
|
expect(decodeUnsignedIntegers(']')).to.eql([30]);
|
|
expect(decodeUnsignedIntegers('^')).to.eql([31]);
|
|
expect(decodeUnsignedIntegers('_@')).to.eql([32]);
|
|
|
|
expect(decodeUnsignedIntegers('__@')).to.eql([32 * 32]);
|
|
expect(decodeUnsignedIntegers('__D')).to.eql([5 * 32 * 32]);
|
|
expect(decodeUnsignedIntegers('___@')).to.eql([32 * 32 * 32]);
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(decodeUnsignedIntegers('mD')).to.eql([174]);
|
|
});
|
|
});
|
|
|
|
describe('#readFeature', function() {
|
|
|
|
it('returns the expected feature', function() {
|
|
var feature = format.readFeature(encodedFlatPoints);
|
|
expect(feature).to.be.an(ol.Feature);
|
|
var geometry = feature.getGeometry();
|
|
expect(geometry).to.be.an(ol.geom.LineString);
|
|
expect(geometry.getFlatCoordinates()).to.eql(flatPoints);
|
|
});
|
|
|
|
it('transforms and returns the expected feature', function() {
|
|
var feature = format.readFeature(encodedFlatPoints, {
|
|
featureProjection: 'EPSG:3857'
|
|
});
|
|
expect(feature).to.be.an(ol.Feature);
|
|
var geometry = feature.getGeometry();
|
|
expect(geometry).to.be.an(ol.geom.LineString);
|
|
expect(geometry.getCoordinates()).to.eql(points3857);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#readFeatures', function() {
|
|
|
|
it('returns the expected feature', function() {
|
|
var features = format.readFeatures(encodedFlatPoints);
|
|
expect(features).to.be.an(Array);
|
|
expect(features).to.have.length(1);
|
|
var feature = features[0];
|
|
expect(feature).to.be.an(ol.Feature);
|
|
var geometry = feature.getGeometry();
|
|
expect(geometry).to.be.an(ol.geom.LineString);
|
|
expect(geometry.getFlatCoordinates()).to.eql(flatPoints);
|
|
});
|
|
|
|
it('transforms and returns the expected features', function() {
|
|
var features = format.readFeatures(encodedFlatPoints, {
|
|
featureProjection: 'EPSG:3857'
|
|
});
|
|
expect(features).to.be.an(Array);
|
|
expect(features).to.have.length(1);
|
|
var feature = features[0];
|
|
expect(feature).to.be.an(ol.Feature);
|
|
var geometry = feature.getGeometry();
|
|
expect(geometry).to.be.an(ol.geom.LineString);
|
|
expect(geometry.getCoordinates()).to.eql(points3857);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#readGeometry', function() {
|
|
|
|
it('returns the expected geometry', function() {
|
|
var geometry = format.readGeometry(encodedFlatPoints);
|
|
expect(geometry).to.be.an(ol.geom.LineString);
|
|
expect(geometry.getFlatCoordinates()).to.eql(flatPoints);
|
|
});
|
|
|
|
it('transforms and returns the expected geometry', function() {
|
|
var geometry = format.readGeometry(encodedFlatPoints, {
|
|
featureProjection: 'EPSG:3857'
|
|
});
|
|
expect(geometry).to.be.an(ol.geom.LineString);
|
|
expect(geometry.getCoordinates()).to.eql(points3857);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#readProjection', function() {
|
|
|
|
it('returns the expected projection', function() {
|
|
var projection = format.readProjection(encodedFlatPoints);
|
|
expect(projection).to.be(ol.proj.get('EPSG:4326'));
|
|
});
|
|
|
|
});
|
|
|
|
describe('#writeFeature', function() {
|
|
|
|
it('returns the expected text', function() {
|
|
var feature = new ol.Feature(new ol.geom.LineString(points));
|
|
expect(format.writeFeature(feature)).to.be(encodedFlatPoints);
|
|
});
|
|
|
|
it('transforms and returns the expected text', function() {
|
|
var feature = new ol.Feature(new ol.geom.LineString(points3857));
|
|
expect(format.writeFeature(feature, {
|
|
featureProjection: 'EPSG:3857'
|
|
})).to.be(encodedFlatPoints);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#writeFeature', function() {
|
|
|
|
it('returns the expected text', function() {
|
|
var features = [new ol.Feature(new ol.geom.LineString(points))];
|
|
expect(format.writeFeatures(features)).to.be(encodedFlatPoints);
|
|
});
|
|
|
|
it('transforms and returns the expected text', function() {
|
|
var features = [new ol.Feature(new ol.geom.LineString(points3857))];
|
|
expect(format.writeFeatures(features, {
|
|
featureProjection: 'EPSG:3857'
|
|
})).to.be(encodedFlatPoints);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#writeGeometry', function() {
|
|
|
|
it('returns the expected text', function() {
|
|
var geometry = new ol.geom.LineString(points);
|
|
expect(format.writeGeometry(geometry)).to.be(encodedFlatPoints);
|
|
});
|
|
|
|
it('transforms and returns the expected text', function() {
|
|
var geometry = new ol.geom.LineString(points3857);
|
|
expect(format.writeGeometry(geometry, {
|
|
featureProjection: 'EPSG:3857'
|
|
})).to.be(encodedFlatPoints);
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
goog.require('ol.Feature');
|
|
goog.require('ol.format.Polyline');
|
|
goog.require('ol.geom.LineString');
|
|
goog.require('ol.proj');
|