346 lines
11 KiB
JavaScript
346 lines
11 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 = [[38.50000, -120.20000],
|
|
[40.70000, -120.95000],
|
|
[43.25200, -126.45300]];
|
|
flatPoints = [38.50000, -120.20000,
|
|
40.70000, -120.95000,
|
|
43.25200, -126.45300];
|
|
encodedFlatPoints = '_p~iF~ps|U_ulLnnqC_mqNvxq`@';
|
|
|
|
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('encodeFlatCoordinates', function() {
|
|
it('returns expected value', function() {
|
|
var encodeFlatCoordinates = ol.format.Polyline.encodeFlatCoordinates;
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(encodeFlatCoordinates(flatPoints)).to.eql(encodedFlatPoints);
|
|
});
|
|
});
|
|
|
|
describe('decodeFlatCoordinates', function() {
|
|
it('returns expected value', function() {
|
|
var decodeFlatCoordinates = ol.format.Polyline.decodeFlatCoordinates;
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(decodeFlatCoordinates(encodedFlatPoints)).to.eql(flatPoints);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
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 encodeFloat = ol.format.Polyline.encodeFloat;
|
|
|
|
expect(encodeFloat(0.00000)).to.eql('?');
|
|
expect(encodeFloat(-0.00001)).to.eql('@');
|
|
expect(encodeFloat(0.00001)).to.eql('A');
|
|
expect(encodeFloat(-0.00002)).to.eql('B');
|
|
expect(encodeFloat(0.00002)).to.eql('C');
|
|
expect(encodeFloat(0.00015)).to.eql(']');
|
|
expect(encodeFloat(-0.00016)).to.eql('^');
|
|
|
|
expect(encodeFloat(-0.1, 10)).to.eql('@');
|
|
expect(encodeFloat(0.1, 10)).to.eql('A');
|
|
|
|
expect(encodeFloat(16 * 32 / 1e5)).to.eql('__@');
|
|
expect(encodeFloat(16 * 32 * 32 / 1e5)).to.eql('___@');
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(encodeFloat(-179.9832104)).to.eql('`~oia@');
|
|
});
|
|
});
|
|
|
|
describe('decodeFloat', function() {
|
|
it('returns expected value', function() {
|
|
var decodeFloat = ol.format.Polyline.decodeFloat;
|
|
|
|
expect(decodeFloat('?')).to.eql(0.00000);
|
|
expect(decodeFloat('@')).to.eql(-0.00001);
|
|
expect(decodeFloat('A')).to.eql(0.00001);
|
|
expect(decodeFloat('B')).to.eql(-0.00002);
|
|
expect(decodeFloat('C')).to.eql(0.00002);
|
|
expect(decodeFloat(']')).to.eql(0.00015);
|
|
expect(decodeFloat('^')).to.eql(-0.00016);
|
|
|
|
expect(decodeFloat('@', 10)).to.eql(-0.1);
|
|
expect(decodeFloat('A', 10)).to.eql(0.1);
|
|
|
|
expect(decodeFloat('__@')).to.eql(16 * 32 / 1e5);
|
|
expect(decodeFloat('___@')).to.eql(16 * 32 * 32 / 1e5);
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(decodeFloat('`~oia@')).to.eql(-179.98321);
|
|
});
|
|
});
|
|
|
|
|
|
|
|
describe('encodeSignedInteger', function() {
|
|
it('returns expected value', function() {
|
|
var encodeSignedInteger = ol.format.Polyline.encodeSignedInteger;
|
|
|
|
expect(encodeSignedInteger(0)).to.eql('?');
|
|
expect(encodeSignedInteger(-1)).to.eql('@');
|
|
expect(encodeSignedInteger(1)).to.eql('A');
|
|
expect(encodeSignedInteger(-2)).to.eql('B');
|
|
expect(encodeSignedInteger(2)).to.eql('C');
|
|
expect(encodeSignedInteger(15)).to.eql(']');
|
|
expect(encodeSignedInteger(-16)).to.eql('^');
|
|
|
|
expect(encodeSignedInteger(16)).to.eql('_@');
|
|
expect(encodeSignedInteger(16 * 32)).to.eql('__@');
|
|
expect(encodeSignedInteger(16 * 32 * 32)).to.eql('___@');
|
|
});
|
|
});
|
|
|
|
describe('decodeSignedInteger', function() {
|
|
it('returns expected value', function() {
|
|
var decodeSignedInteger = ol.format.Polyline.decodeSignedInteger;
|
|
|
|
expect(decodeSignedInteger('?')).to.eql(0);
|
|
expect(decodeSignedInteger('@')).to.eql(-1);
|
|
expect(decodeSignedInteger('A')).to.eql(1);
|
|
expect(decodeSignedInteger('B')).to.eql(-2);
|
|
expect(decodeSignedInteger('C')).to.eql(2);
|
|
expect(decodeSignedInteger(']')).to.eql(15);
|
|
expect(decodeSignedInteger('^')).to.eql(-16);
|
|
|
|
expect(decodeSignedInteger('_@')).to.eql(16);
|
|
expect(decodeSignedInteger('__@')).to.eql(16 * 32);
|
|
expect(decodeSignedInteger('___@')).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 decodeUnsignedInteger = ol.format.Polyline.decodeUnsignedInteger;
|
|
|
|
expect(decodeUnsignedInteger('?')).to.eql(0);
|
|
expect(decodeUnsignedInteger('@')).to.eql(1);
|
|
expect(decodeUnsignedInteger('A')).to.eql(2);
|
|
expect(decodeUnsignedInteger(']')).to.eql(30);
|
|
expect(decodeUnsignedInteger('^')).to.eql(31);
|
|
expect(decodeUnsignedInteger('_@')).to.eql(32);
|
|
|
|
expect(decodeUnsignedInteger('__@')).to.eql(32 * 32);
|
|
expect(decodeUnsignedInteger('__D')).to.eql(5 * 32 * 32);
|
|
expect(decodeUnsignedInteger('___@')).to.eql(32 * 32 * 32);
|
|
|
|
// from the "Encoded Polyline Algorithm Format" page at Google
|
|
expect(decodeUnsignedInteger('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);
|
|
});
|
|
|
|
});
|
|
|
|
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);
|
|
});
|
|
|
|
});
|
|
|
|
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);
|
|
});
|
|
|
|
});
|
|
|
|
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);
|
|
});
|
|
|
|
});
|
|
|
|
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);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#writeGeometry', function() {
|
|
|
|
it('returns the expected text', function() {
|
|
var geometry = new ol.geom.LineString(points);
|
|
expect(format.writeGeometry(geometry)).to.be(encodedFlatPoints);
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
goog.require('ol.Feature');
|
|
goog.require('ol.format.Polyline');
|
|
goog.require('ol.geom.LineString');
|
|
goog.require('ol.proj');
|