Add tests for ol.source.ImageWMS#getGetFeatureInfoUrl

test/spec/ol/source/imagewmssource.test.js

@@ -3,22 +3,22 @@ goog.provide('ol.test.source.ImageWMS');
 
 describe('ol.source.ImageWMS', function() {
 
-  describe('#getImage', function() {
+  var extent, pixelRatio, options, projection, resolution;
+  beforeEach(function() {
+    extent = [10, 20, 30, 40];
+    pixelRatio = 1;
+    projection = ol.proj.get('EPSG:4326');
+    resolution = 0.1;
+    options = {
+      params: {
+        'LAYERS': 'layer'
+      },
+      ratio: 1,
+      url: 'http://example.com/wms'
+    };
+  });
 
-    var extent, pixelRatio, options, projection, resolution;
+  describe('#getImage', function() {
-    beforeEach(function() {
-      extent = [10, 20, 30, 40];
-      pixelRatio = 1;
-      projection = ol.proj.get('EPSG:4326');
-      resolution = 0.1;
-      options = {
-        params: {
-          'LAYERS': 'layer'
-        },
-        ratio: 1,
-        url: 'http://example.com/wms'
-      };
-    });
 
     it('returns the expected image URL', function() {
       var source = new ol.source.ImageWMS(options);
@@ -136,6 +136,67 @@ describe('ol.source.ImageWMS', function() {
 
   });
 
+  describe('#getGetFeatureInfo', function() {
+
+    it('returns the expected GetFeatureInfo URL', function() {
+      var source = new ol.source.ImageWMS(options);
+      source.getImage(extent, resolution, pixelRatio, projection);
+      var url = source.getGetFeatureInfoUrl(
+          [20, 30], resolution, projection,
+          {INFO_FORMAT: 'text/plain'});
+      var uri = new goog.Uri(url);
+      expect(uri.getScheme()).to.be('http');
+      expect(uri.getDomain()).to.be('example.com');
+      expect(uri.getPath()).to.be('/wms');
+      var queryData = uri.getQueryData();
+      expect(queryData.get('BBOX')).to.be('20,10,40,30');
+      expect(queryData.get('CRS')).to.be('EPSG:4326');
+      expect(queryData.get('FORMAT')).to.be('image/png');
+      expect(queryData.get('HEIGHT')).to.be('200');
+      expect(queryData.get('I')).to.be('100');
+      expect(queryData.get('J')).to.be('100');
+      expect(queryData.get('LAYERS')).to.be('layer');
+      expect(queryData.get('QUERY_LAYERS')).to.be('layer');
+      expect(queryData.get('REQUEST')).to.be('GetFeatureInfo');
+      expect(queryData.get('SERVICE')).to.be('WMS');
+      expect(queryData.get('SRS')).to.be(undefined);
+      expect(queryData.get('STYLES')).to.be('');
+      expect(queryData.get('TRANSPARENT')).to.be('true');
+      expect(queryData.get('VERSION')).to.be('1.3.0');
+      expect(queryData.get('WIDTH')).to.be('200');
+      expect(uri.getFragment()).to.be.empty();
+    });
+
+    it('sets the QUERY_LAYERS param as expected', function() {
+      var source = new ol.source.ImageWMS(options);
+      source.getImage(extent, resolution, pixelRatio, projection);
+      var url = source.getGetFeatureInfoUrl(
+          [20, 30], resolution, projection,
+          {INFO_FORMAT: 'text/plain', QUERY_LAYERS: 'foo,bar'});
+      var uri = new goog.Uri(url);
+      expect(uri.getScheme()).to.be('http');
+      expect(uri.getDomain()).to.be('example.com');
+      expect(uri.getPath()).to.be('/wms');
+      var queryData = uri.getQueryData();
+      expect(queryData.get('BBOX')).to.be('20,10,40,30');
+      expect(queryData.get('CRS')).to.be('EPSG:4326');
+      expect(queryData.get('FORMAT')).to.be('image/png');
+      expect(queryData.get('HEIGHT')).to.be('200');
+      expect(queryData.get('I')).to.be('100');
+      expect(queryData.get('J')).to.be('100');
+      expect(queryData.get('LAYERS')).to.be('layer');
+      expect(queryData.get('QUERY_LAYERS')).to.be('foo,bar');
+      expect(queryData.get('REQUEST')).to.be('GetFeatureInfo');
+      expect(queryData.get('SERVICE')).to.be('WMS');
+      expect(queryData.get('SRS')).to.be(undefined);
+      expect(queryData.get('STYLES')).to.be('');
+      expect(queryData.get('TRANSPARENT')).to.be('true');
+      expect(queryData.get('VERSION')).to.be('1.3.0');
+      expect(queryData.get('WIDTH')).to.be('200');
+      expect(uri.getFragment()).to.be.empty();
+    });
+  });
+
 });