215 lines
8.6 KiB
JavaScript
215 lines
8.6 KiB
JavaScript
goog.provide('ol.test.source.ImageWMS');
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describe('ol.source.ImageWMS', function() {
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var extent, pixelRatio, options, projection, resolution;
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beforeEach(function() {
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extent = [10, 20, 30, 40];
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pixelRatio = 1;
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projection = ol.proj.get('EPSG:4326');
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resolution = 0.1;
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options = {
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params: {
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'LAYERS': 'layer'
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},
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ratio: 1,
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url: 'http://example.com/wms'
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};
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});
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describe('#getImage', function() {
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it('returns the expected image URL', function() {
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var source = new ol.source.ImageWMS(options);
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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expect(uri.getScheme()).to.be('http');
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expect(uri.getDomain()).to.be('example.com');
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expect(uri.getPath()).to.be('/wms');
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var queryData = uri.getQueryData();
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expect(queryData.get('BBOX')).to.be('20,10,40,30');
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expect(queryData.get('CRS')).to.be('EPSG:4326');
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expect(queryData.get('FORMAT')).to.be('image/png');
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expect(queryData.get('HEIGHT')).to.be('200');
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expect(queryData.get('LAYERS')).to.be('layer');
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expect(queryData.get('REQUEST')).to.be('GetMap');
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expect(queryData.get('SERVICE')).to.be('WMS');
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expect(queryData.get('SRS')).to.be(undefined);
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expect(queryData.get('STYLES')).to.be('');
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expect(queryData.get('TRANSPARENT')).to.be('true');
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expect(queryData.get('VERSION')).to.be('1.3.0');
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expect(queryData.get('WIDTH')).to.be('200');
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expect(uri.getFragment()).to.be.empty();
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});
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it('sets the SRS query value instead of CRS if version < 1.3', function() {
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options.params.VERSION = '1.2';
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var source = new ol.source.ImageWMS(options);
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('CRS')).to.be(undefined);
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expect(queryData.get('SRS')).to.be('EPSG:4326');
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});
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it('allows various parameters to be overridden', function() {
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options.params.FORMAT = 'image/jpeg';
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options.params.TRANSPARENT = false;
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var source = new ol.source.ImageWMS(options);
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('FORMAT')).to.be('image/jpeg');
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expect(queryData.get('TRANSPARENT')).to.be('false');
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});
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it('does not add a STYLES= option if one is specified', function() {
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options.params.STYLES = 'foo';
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var source = new ol.source.ImageWMS(options);
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('STYLES')).to.be('foo');
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});
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it('changes the BBOX order for EN axis orientations', function() {
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var source = new ol.source.ImageWMS(options);
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projection = ol.proj.get('CRS:84');
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('BBOX')).to.be('10,20,30,40');
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});
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it('uses EN BBOX order if version < 1.3', function() {
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options.params.VERSION = '1.1.0';
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var source = new ol.source.ImageWMS(options);
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var image =
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source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('BBOX')).to.be('10,20,30,40');
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});
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it('sets MAP_RESOLUTION when the server is MapServer', function() {
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options.serverType = ol.source.wms.ServerType.MAPSERVER;
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var source = new ol.source.ImageWMS(options);
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pixelRatio = 2;
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('MAP_RESOLUTION')).to.be('180');
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});
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it('sets FORMAT_OPTIONS when the server is GeoServer', function() {
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options.serverType = ol.source.wms.ServerType.GEOSERVER;
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var source = new ol.source.ImageWMS(options);
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pixelRatio = 2;
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('FORMAT_OPTIONS')).to.be('dpi:180');
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});
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it('rounds FORMAT_OPTIONS to an integer when the server is GeoServer',
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function() {
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options.serverType = ol.source.wms.ServerType.GEOSERVER;
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var source = new ol.source.ImageWMS(options);
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pixelRatio = 1.325;
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var image =
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source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('FORMAT_OPTIONS')).to.be('dpi:119');
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});
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it('sets DPI when the server is QGIS', function() {
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options.serverType = ol.source.wms.ServerType.QGIS;
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var source = new ol.source.ImageWMS(options);
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pixelRatio = 2;
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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var uri = new goog.Uri(image.src_);
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var queryData = uri.getQueryData();
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expect(queryData.get('DPI')).to.be('180');
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});
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it('creates an image with a custom imageLoadFunction', function() {
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var imageLoadFunction = sinon.spy();
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options.imageLoadFunction = imageLoadFunction;
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var source = new ol.source.ImageWMS(options);
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var image = source.getImage(extent, resolution, pixelRatio, projection);
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image.load();
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expect(imageLoadFunction).to.be.called();
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expect(imageLoadFunction.calledWith(image, image.src_)).to.be(true);
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});
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});
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describe('#getGetFeatureInfo', function() {
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it('returns the expected GetFeatureInfo URL', function() {
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var source = new ol.source.ImageWMS(options);
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var url = source.getGetFeatureInfoUrl(
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[20, 30], resolution, projection,
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{INFO_FORMAT: 'text/plain'});
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var uri = new goog.Uri(url);
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expect(uri.getScheme()).to.be('http');
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expect(uri.getDomain()).to.be('example.com');
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expect(uri.getPath()).to.be('/wms');
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var queryData = uri.getQueryData();
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expect(queryData.get('BBOX')).to.be('24.95,14.95,35.05,25.05');
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expect(queryData.get('CRS')).to.be('EPSG:4326');
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expect(queryData.get('FORMAT')).to.be('image/png');
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expect(queryData.get('HEIGHT')).to.be('101');
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expect(queryData.get('I')).to.be('50');
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expect(queryData.get('J')).to.be('50');
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expect(queryData.get('LAYERS')).to.be('layer');
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expect(queryData.get('QUERY_LAYERS')).to.be('layer');
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expect(queryData.get('REQUEST')).to.be('GetFeatureInfo');
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expect(queryData.get('SERVICE')).to.be('WMS');
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expect(queryData.get('SRS')).to.be(undefined);
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expect(queryData.get('STYLES')).to.be('');
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expect(queryData.get('TRANSPARENT')).to.be('true');
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expect(queryData.get('VERSION')).to.be('1.3.0');
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expect(queryData.get('WIDTH')).to.be('101');
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expect(uri.getFragment()).to.be.empty();
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});
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it('sets the QUERY_LAYERS param as expected', function() {
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var source = new ol.source.ImageWMS(options);
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var url = source.getGetFeatureInfoUrl(
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[20, 30], resolution, projection,
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{INFO_FORMAT: 'text/plain', QUERY_LAYERS: 'foo,bar'});
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var uri = new goog.Uri(url);
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expect(uri.getScheme()).to.be('http');
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expect(uri.getDomain()).to.be('example.com');
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expect(uri.getPath()).to.be('/wms');
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var queryData = uri.getQueryData();
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expect(queryData.get('BBOX')).to.be('24.95,14.95,35.05,25.05');
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expect(queryData.get('CRS')).to.be('EPSG:4326');
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expect(queryData.get('FORMAT')).to.be('image/png');
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expect(queryData.get('HEIGHT')).to.be('101');
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expect(queryData.get('I')).to.be('50');
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expect(queryData.get('J')).to.be('50');
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expect(queryData.get('LAYERS')).to.be('layer');
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expect(queryData.get('QUERY_LAYERS')).to.be('foo,bar');
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expect(queryData.get('REQUEST')).to.be('GetFeatureInfo');
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expect(queryData.get('SERVICE')).to.be('WMS');
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expect(queryData.get('SRS')).to.be(undefined);
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expect(queryData.get('STYLES')).to.be('');
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expect(queryData.get('TRANSPARENT')).to.be('true');
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expect(queryData.get('VERSION')).to.be('1.3.0');
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expect(queryData.get('WIDTH')).to.be('101');
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expect(uri.getFragment()).to.be.empty();
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});
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});
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});
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goog.require('goog.Uri');
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goog.require('ol.source.ImageWMS');
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goog.require('ol.proj');
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goog.require('ol.source.wms.ServerType');
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