Added miltibid support for GroupM

modules/pubmaticBidAdapter.js

@@ -12,6 +12,7 @@ const USER_SYNC_URL_IMAGE = 'https://image8.pubmatic.com/AdServer/ImgSync?p=';
 const DEFAULT_CURRENCY = 'USD';
 const AUCTION_TYPE = 1;
 const GROUPM_ALIAS = {code: 'groupm', gvlid: 98};
+const MARKETPLACE_PARTNERS = ['groupm']
 const UNDEFINED = undefined;
 const DEFAULT_WIDTH = 0;
 const DEFAULT_HEIGHT = 0;
@@ -1065,6 +1066,12 @@ export const spec = {
    * @return ServerRequest Info describing the request to the server.
    */
   buildRequests: (validBidRequests, bidderRequest) => {
+    if (bidderRequest && MARKETPLACE_PARTNERS.includes(bidderRequest.bidderCode)) {
+      // We have got the buildRequests function call for Marketplace Partners
+      logInfo('For all publishers using ' + bidderRequest.bidderCode + ' bidder, the PubMatic bidder will also be enabled so PubMatic server will respond back with the bids that needs to be submitted for PubMatic and ' + bidderRequest.bidderCode + ' in the network call sent by PubMatic bidder. Hence we do not want to create a network call for ' + bidderRequest.bidderCode + '. This way we are trying to save a network call from browser.');
+      return;
+    }
+
     var refererInfo;
     if (bidderRequest && bidderRequest.refererInfo) {
       refererInfo = bidderRequest.refererInfo;
@@ -1287,6 +1294,13 @@ export const spec = {
                 };
               }
 
+              // if from the server-response the bid.ext.marketplace is set then
+              //    submit the bid to Prebid as marketplace name
+              if (bid.ext && !!bid.ext.marketplace && MARKETPLACE_PARTNERS.includes(bid.ext.marketplace)) {
+                newBid.bidderCode = bid.ext.marketplace;
+                newBid.bidder = bid.ext.marketplace;
+              }
+
               bidResponses.push(newBid);
             });
         });

test/spec/modules/pubmaticBidAdapter_spec.js

@@ -3901,4 +3901,40 @@ describe('PubMatic adapter', function () {
       expect(data.imp[0]['video']['battr']).to.equal(undefined);
     });
   });
+
+  describe('GroupM params', function() {
+    let sandbox, utilsMock, newBidRequests, newBidResponses;
+    beforeEach(() => {
+      utilsMock = sinon.mock(utils);
+      sandbox = sinon.sandbox.create();
+      sandbox.spy(utils, 'logInfo');
+      newBidRequests = utils.deepClone(bidRequests)
+      newBidRequests[0].bidder = 'groupm';
+      newBidResponses = utils.deepClone(bidResponses);
+      newBidResponses.body.seatbid[0].bid[0].ext.marketplace = 'groupm'
+    });
+
+    afterEach(() => {
+      utilsMock.restore();
+      sandbox.restore();
+    })
+
+    it('Should log info when bidder is groupm  and return', function () {
+      let request = spec.buildRequests(newBidRequests, {bidderCode: 'groupm',
+        auctionId: 'new-auction-id'
+      });
+      sinon.assert.calledOnce(utils.logInfo);
+      expect(request).to.equal(undefined);
+    });
+
+    it('Should add bidder code & bidder as groupm for marketplace groupm response', function () {
+      let request = spec.buildRequests(newBidRequests, {
+        auctionId: 'new-auction-id'
+      });
+      let response = spec.interpretResponse(newBidResponses, request);
+      expect(response).to.be.an('array').with.length.above(0);
+      expect(response[0].bidderCode).to.equal('groupm');
+      expect(response[0].bidder).to.equal('groupm');
+    });
+  });
 });