openlayers
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Build tools and sources for developing OpenLayers based mapping applications
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JavaScript
goog.require('ol.format.WMTSCapabilities');
goog.require('ol.proj');
goog.require('ol.proj.Projection');
goog.require('ol.tilegrid.WMTS');
goog.require('ol.source.WMTS');
describe('ol.source.WMTS', function() {
describe('when creating options from capabilities', function() {
var parser = new ol.format.WMTSCapabilities();
var capabilities, content;
before(function(done) {
afterLoadText('spec/ol/format/wmts/ogcsample.xml', function(xml) {
try {
content = xml;
capabilities = parser.read(xml);
} catch (e) {
done(e);
}
done();
});
});
it('returns null if the layer was not found in the capabilities', function() {
var options = ol.source.WMTS.optionsFromCapabilities(capabilities, {
layer: 'invalid'
});
expect(options).to.be(null);
});
it('passes the crossOrigin option', function() {
var options = ol.source.WMTS.optionsFromCapabilities(capabilities, {
layer: 'BlueMarbleNextGeneration',
matrixSet: 'google3857',
crossOrigin: ''
});
expect(options.crossOrigin).to.be.eql('');
});
it('can create KVP options from spec/ol/format/wmts/ogcsample.xml',
function() {
var options = ol.source.WMTS.optionsFromCapabilities(
capabilities,
{layer: 'BlueMarbleNextGeneration', matrixSet: 'google3857'});
expect(options.urls).to.be.an('array');
expect(options.urls).to.have.length(1);
expect(options.urls[0]).to.be.eql(
'http://www.maps.bob/cgi-bin/MiraMon5_0.cgi?');
expect(options.layer).to.be.eql('BlueMarbleNextGeneration');
expect(options.matrixSet).to.be.eql('google3857');
expect(options.format).to.be.eql('image/jpeg');
expect(options.projection).to.be.a(ol.proj.Projection);
expect(options.projection).to.be.eql(ol.proj.get('EPSG:3857'));
expect(options.requestEncoding).to.be.eql('KVP');
expect(options.tileGrid).to.be.a(ol.tilegrid.WMTS);
expect(options.style).to.be.eql('DarkBlue');
expect(options.dimensions).to.eql({Time: '20110805'});
expect(options.crossOrigin).to.be(undefined);
});
it('can create REST options from spec/ol/format/wmts/ogcsample.xml',
function() {
var options = ol.source.WMTS.optionsFromCapabilities(capabilities, {
layer: 'BlueMarbleNextGeneration',
matrixSet: 'google3857',
requestEncoding: 'REST'
});
expect(options.urls).to.be.an('array');
expect(options.urls).to.have.length(1);
expect(options.urls[0]).to.be.eql(
'http://www.example.com/wmts/coastlines/{TileMatrix}/{TileRow}/{TileCol}.png');
expect(options.layer).to.be.eql('BlueMarbleNextGeneration');
expect(options.matrixSet).to.be.eql('google3857');
expect(options.format).to.be.eql('image/png');
expect(options.projection).to.be.a(ol.proj.Projection);
expect(options.projection).to.be.eql(ol.proj.get('EPSG:3857'));
expect(options.requestEncoding).to.be.eql('REST');
expect(options.tileGrid).to.be.a(ol.tilegrid.WMTS);
expect(options.style).to.be.eql('DarkBlue');
expect(options.dimensions).to.eql({Time: '20110805'});
});
it('can find a MatrixSet by SRS identifier', function() {
var options = ol.source.WMTS.optionsFromCapabilities(capabilities, {
layer: 'BlueMarbleNextGeneration',
projection: 'EPSG:3857',
requestEncoding: 'REST'
});
expect(options.matrixSet).to.be.eql('google3857');
expect(options.projection.getCode()).to.be.eql('EPSG:3857');
});
it('can find a MatrixSet by equivalent SRS identifier', function() {
var options = ol.source.WMTS.optionsFromCapabilities(capabilities, {
layer: 'BlueMarbleNextGeneration',
projection: 'EPSG:900913',
requestEncoding: 'REST'
});
expect(options.matrixSet).to.be.eql('google3857');
expect(options.projection.getCode()).to.be.eql('EPSG:900913');
});
it('can find the default MatrixSet', function() {
var options = ol.source.WMTS.optionsFromCapabilities(capabilities, {
layer: 'BlueMarbleNextGeneration',
requestEncoding: 'REST'
});
expect(options.matrixSet).to.be.eql('BigWorldPixel');
expect(options.projection.getCode()).to.be.eql('urn:ogc:def:crs:OGC:1.3:CRS84');
});
it('uses the projection of the default MatrixSet if the config\'s projection is not supported', function() {
var options = ol.source.WMTS.optionsFromCapabilities(capabilities, {
layer: 'BlueMarbleNextGeneration',
projection: new ol.proj.Projection({
code: 'EPSG:2056',
units: 'm'
})
});
expect(options.matrixSet).to.be.eql('BigWorldPixel');
expect(options.projection.getCode()).to.be.eql('urn:ogc:def:crs:OGC:1.3:CRS84');
});
it('doesn\'t fail if the GetCap doesn\'t contains Constraint tags', function() {
var tmpXml = content.replace(/<ows:Constraint[\s\S]*?<\/ows:Constraint>/g, '');
var tmpCapabilities = parser.read(tmpXml);
expect(tmpCapabilities['OperationsMetadata']['GetTile']['DCP']['HTTP']['Get'][0]['Constraint']).to.be(undefined);
var options = ol.source.WMTS.optionsFromCapabilities(tmpCapabilities,
{layer: 'BlueMarbleNextGeneration', matrixSet: 'google3857'});
expect(options.layer).to.be.eql('BlueMarbleNextGeneration');
expect(options.matrixSet).to.be.eql('google3857');
});
it('set KVP as default request encoding if the GetCap doesn\'t contains Constraint and ResourceUrl tags', function() {
var tmpXml = content.replace(/<ows:Constraint[\s\S]*?<\/ows:Constraint>/g, '');
tmpXml = tmpXml.replace(/<ResourceURL[\s\S]*?"\/>/g, '');
var tmpCapabilities = parser.read(tmpXml);
expect(tmpCapabilities['OperationsMetadata']['GetTile']['DCP']['HTTP']['Get'][0]['Constraint']).to.be(undefined);
expect(tmpCapabilities['Contents']['Layer'][0]['ResourceURL']).to.be(undefined);
var options = ol.source.WMTS.optionsFromCapabilities(tmpCapabilities,
{layer: 'BlueMarbleNextGeneration', matrixSet: 'google3857'});
expect(options.layer).to.be.eql('BlueMarbleNextGeneration');
expect(options.matrixSet).to.be.eql('google3857');
expect(options.urls).to.be.an('array');
expect(options.urls).to.have.length(1);
expect(options.urls[0]).to.be.eql('http://www.maps.bob/cgi-bin/MiraMon5_0.cgi?');
});
});
describe('when creating tileUrlFunction', function() {
it('can replace lowercase REST parameters',
function() {
var source = new ol.source.WMTS({
layer: 'layer',
style: 'default',
urls: ['http://www.example.com/wmts/coastlines/{layer}/{style}/' +
'{tilematrixset}/{TileMatrix}/{TileCol}/{TileRow}.jpg'],
matrixSet: 'EPSG:3857',
requestEncoding: 'REST',
tileGrid: new ol.tilegrid.WMTS({
origin: [-20037508.342789244, 20037508.342789244],
resolutions: [559082264.029 * 0.28E-3,
279541132.015 * 0.28E-3,
139770566.007 * 0.28E-3],
matrixIds: [0, 1, 2]
})
});
var projection = ol.proj.get('EPSG:3857');
var url = source.tileUrlFunction(
source.getTileCoordForTileUrlFunction([1, 1, -2]), 1, projection);
expect(url).to.be.eql('http://www.example.com/wmts/coastlines/' +
'layer/default/EPSG:3857/1/1/1.jpg');
});
it('can replace camelcase REST parameters',
function() {
var source = new ol.source.WMTS({
layer: 'layer',
style: 'default',
urls: ['http://www.example.com/wmts/coastlines/{Layer}/{Style}/' +
'{tilematrixset}/{TileMatrix}/{TileCol}/{TileRow}.jpg'],
matrixSet: 'EPSG:3857',
requestEncoding: 'REST',
tileGrid: new ol.tilegrid.WMTS({
origin: [-20037508.342789244, 20037508.342789244],
resolutions: [559082264.029 * 0.28E-3,
279541132.015 * 0.28E-3,
139770566.007 * 0.28E-3],
matrixIds: [0, 1, 2]
})
});
var projection = ol.proj.get('EPSG:3857');
var url = source.tileUrlFunction(
source.getTileCoordForTileUrlFunction([1, 1, -2]), 1, projection);
expect(url).to.be.eql('http://www.example.com/wmts/coastlines/' +
'layer/default/EPSG:3857/1/1/1.jpg');
});
});
describe('when creating options from Esri capabilities', function() {
var parser = new ol.format.WMTSCapabilities();
var capabilities;
before(function(done) {
afterLoadText('spec/ol/format/wmts/arcgis.xml', function(xml) {
try {
capabilities = parser.read(xml);
} catch (e) {
done(e);
}
done();
});
});
it('can create KVP options from spec/ol/format/wmts/arcgis.xml',
function() {
var options = ol.source.WMTS.optionsFromCapabilities(
capabilities, {
layer: 'Demographics_USA_Population_Density',
requestEncoding: 'KVP',
matrixSet: 'default028mm'
});
expect(options.urls).to.be.an('array');
expect(options.urls).to.have.length(1);
expect(options.urls[0]).to.be.eql(
'https://services.arcgisonline.com/arcgis/rest/services/' +
'Demographics/USA_Population_Density/MapServer/WMTS?');
});
it('can create REST options from spec/ol/format/wmts/arcgis.xml',
function() {
var options = ol.source.WMTS.optionsFromCapabilities(
capabilities, {
layer: 'Demographics_USA_Population_Density',
matrixSet: 'default028mm'
});
expect(options.urls).to.be.an('array');
expect(options.urls).to.have.length(1);
expect(options.urls[0]).to.be.eql(
'https://services.arcgisonline.com/arcgis/rest/services/' +
'Demographics/USA_Population_Density/MapServer/WMTS/' +
'tile/1.0.0/Demographics_USA_Population_Density/' +
'{Style}/{TileMatrixSet}/{TileMatrix}/{TileRow}/{TileCol}.png');
});
});
describe('#setUrls()', function() {
it('sets the URL for the source', function() {
var source = new ol.source.WMTS({});
var urls = [
'https://a.example.com/',
'https://b.example.com/',
'https://c.example.com/'
];
source.setUrls(urls);
expect(source.getUrls()).to.eql(urls);
});
it('updates the key for the source', function() {
var source = new ol.source.WMTS({});
var urls = [
'https://a.example.com/',
'https://b.example.com/',
'https://c.example.com/'
];
source.setUrls(urls);
expect(source.getKey()).to.eql(urls.join('\n'));
});
it('generates the correct tileUrlFunction during application of setUrl()', function() {
var projection = ol.proj.get('EPSG:3857');
var source = new ol.source.WMTS({
projection: projection,
requestEncoding: 'REST',
urls: [
'http://1.example.com/{TileMatrix}/{TileRow}/{TileCol}.jpeg',
'http://2.example.com/{TileMatrix}/{TileRow}/{TileCol}.jpeg'
],
tileGrid: new ol.tilegrid.WMTS({
matrixIds: [0, 1, 2, 3, 4, 5, 6, 7],
origin: [2690000, 1285000],
resolutions: [4000, 3750, 3500, 3250, 3000, 2750, 2500, 2250]
})
});
var urls = [
'https://a.example.com/{TileMatrix}/{TileRow}/{TileCol}.jpg',
'https://b.example.com/{TileMatrix}/{TileRow}/{TileCol}.jpg'
];
source.setUrls(urls);
var tileUrl1 = source.tileUrlFunction([2, 9, 4], 1, projection);
expect(tileUrl1).to.match(/https\:\/\/[ab]\.example\.com\/2\/-5\/9\.jpg/);
});
});
describe('url option', function() {
it('expands url template', function() {
var tileSource = new ol.source.WMTS({
url: '{1-3}'
});
var urls = tileSource.getUrls();
expect(urls).to.eql(['1', '2', '3']);
});
});
describe('#getUrls', function() {
var sourceOptions;
var source;
beforeEach(function() {
sourceOptions = {
layer: 'layer',
style: 'default',
matrixSet: 'foo',
requestEncoding: 'REST',
tileGrid: new ol.tilegrid.WMTS({
origin: [0, 0],
resolutions: [],
matrixIds: []
})
};
});
describe('using a "url" option', function() {
beforeEach(function() {
sourceOptions.url = 'some_wmts_url';
source = new ol.source.WMTS(sourceOptions);
});
it('returns the WMTS URLs', function() {
var urls = source.getUrls();
expect(urls).to.be.eql(['some_wmts_url']);
});
});
describe('using a "urls" option', function() {
beforeEach(function() {
sourceOptions.urls = ['some_wmts_url1', 'some_wmts_url2'];
source = new ol.source.WMTS(sourceOptions);
});
it('returns the WMTS URLs', function() {
var urls = source.getUrls();
expect(urls).to.be.eql(['some_wmts_url1', 'some_wmts_url2']);
});
});
});
describe('#getRequestEncoding', function() {
var source;
beforeEach(function() {
source = new ol.source.WMTS({
layer: 'layer',
style: 'default',
matrixSet: 'foo',
requestEncoding: 'REST',
tileGrid: new ol.tilegrid.WMTS({
origin: [0, 0],
resolutions: [],
matrixIds: []
})
});
});
it('returns the request encoding', function() {
var requestEncoding = source.getRequestEncoding();
expect(requestEncoding).to.be.eql('REST');
});
});
});