EMX Digital Bid Adapter: add GPID support

modules/emx_digitalBidAdapter.js

@@ -257,10 +257,18 @@ export const spec = {
         tagid,
         secure
       };
+
+      // adding gpid support
+      let gpid = deepAccess(bid, 'ortb2Imp.ext.data.adserver.adslot');
+      if (!gpid) {
+        gpid = deepAccess(bid, 'ortb2Imp.ext.data.pbadslot');
+      }
+      if (gpid) {
+        data.ext = {gpid: gpid.toString()};
+      }
       let typeSpecifics = isVideo ? { video: emxAdapter.buildVideo(bid) } : { banner: emxAdapter.buildBanner(bid) };
       let bidfloorObj = bidfloor > 0 ? { bidfloor, bidfloorcur: DEFAULT_CUR } : {};
       let emxBid = Object.assign(data, typeSpecifics, bidfloorObj);
-
       emxImps.push(emxBid);
     });
 

test/spec/modules/emx_digitalBidAdapter_spec.js

@@ -432,6 +432,16 @@ describe('emx_digital Adapter', function () {
       });
     });
 
+    it('should add gpid to request if present', () => {
+      const gpid = '/12345/my-gpt-tag-0';
+      let bid = utils.deepClone(bidderRequest.bids[0]);
+      bid.ortb2Imp = { ext: { data: { adserver: { adslot: gpid } } } };
+      bid.ortb2Imp = { ext: { data: { pbadslot: gpid } } };
+      let requestWithGPID = spec.buildRequests([bid], bidderRequest);
+      requestWithGPID = JSON.parse(requestWithGPID.data);
+      expect(requestWithGPID.imp[0].ext.gpid).to.exist.and.equal(gpid);
+    });
+
     it('should add UID 2.0 to request', () => {
       const uid2 = { id: '456' };
       const bidRequestWithUID = utils.deepClone(bidderRequest);