Rubicon bid adapter/response media type (#12401)

* Migrate queryString to URLSearchParams for rubiconBidAdapter_spec

* rubiconBidAdapter: add support response mediaType

* rubiconBidadapter: fix semicolon

Author: apukh-magnite

modules/rubiconBidAdapter.js

@@ -717,6 +717,10 @@ export const spec = {
           bid.meta.advertiserDomains = Array.isArray(ad.adomain) ? ad.adomain : [ad.adomain];
         }
 
+        if (ad.emulated_format) {
+          bid.meta.mediaType = ad.emulated_format;
+        }
+
         if (ad.creative_type === VIDEO) {
           bid.width = associatedBidRequest.params.video.playerWidth;
           bid.height = associatedBidRequest.params.video.playerHeight;

test/spec/modules/rubiconBidAdapter_spec.js

@@ -3784,6 +3784,71 @@ describe('the rubicon adapter', function () {
           expect(bids[0].cpm).to.be.equal(0);
         });
 
+        it('should use ads.emulated_format if defined for bid.meta.mediaType', function () {
+          let response = {
+            'status': 'ok',
+            'account_id': 14062,
+            'site_id': 70608,
+            'zone_id': 530022,
+            'size_id': 15,
+            'alt_size_ids': [
+              43
+            ],
+            'tracking': '',
+            'inventory': {},
+            'ads': [
+              {
+                'status': 'ok',
+                'impression_id': '153dc240-8229-4604-b8f5-256933b9374c',
+                'size_id': '15',
+                'ad_id': '6',
+                'advertiser': 7,
+                'network': 8,
+                'creative_id': 'crid-9',
+                'type': 'script',
+                'script': 'alert(\'foo\')',
+                'campaign_id': 10,
+                'cpm': 0.811,
+                'emulated_format': 'video',
+                'targeting': [
+                  {
+                    'key': 'rpfl_14062',
+                    'values': [
+                      '15_tier_all_test'
+                    ]
+                  }
+                ]
+              },
+              {
+                'status': 'ok',
+                'impression_id': '153dc240-8229-4604-b8f5-256933b9374d',
+                'size_id': '43',
+                'ad_id': '7',
+                'advertiser': 7,
+                'network': 8,
+                'creative_id': 'crid-9',
+                'type': 'script',
+                'script': 'alert(\'foo\')',
+                'campaign_id': 10,
+                'cpm': 0.911,
+                'targeting': [
+                  {
+                    'key': 'rpfl_14062',
+                    'values': [
+                      '43_tier_all_test'
+                    ]
+                  }
+                ]
+              }
+            ]
+          };
+          let bids = spec.interpretResponse({body: response}, {
+            bidRequest: bidderRequest.bids[0]
+          });
+          expect(bids[0].meta.mediaType).to.equal('banner');
+          expect(bids[1].meta.mediaType).to.equal('video');
+        });
+
         describe('singleRequest enabled', function () {
           it('handles bidRequest of type Array and returns associated adUnits', function () {
             const overrideMap = [];