im Rtd Provider: add bidder fluct

modules/imRtdProvider.js

@@ -60,6 +60,16 @@ export function getBidderFunction(bidderName) {
         );
       }
       return bid
+    },
+    fluct: function (bid, data) {
+      if (data.im_segments && data.im_segments.length) {
+        deepSetValue(
+          bid,
+          'params.kv.imsids',
+          data.im_segments
+        );
+      }
+      return bid
     }
   }
   return biddersFunction[bidderName] || null;

test/spec/modules/imRtdProvider_spec.js

@@ -51,7 +51,8 @@ describe('imRtdProvider', function () {
   describe('getBidderFunction', function () {
     const assumedBidder = [
       'ix',
-      'pubmatic'
+      'pubmatic',
+      'fluct'
     ];
     assumedBidder.forEach(bidderName => {
       it(`should return bidderFunction with assumed bidder: ${bidderName}`, function () {
@@ -70,6 +71,34 @@ describe('imRtdProvider', function () {
     it(`should return null with unexpected bidder`, function () {
       expect(getBidderFunction('test')).to.equal(null);
     });
+    describe('fluct bidder function', function () {
+      it('should return a bid w/o im_segments if not any exists', function () {
+        const bid = {bidder: 'fluct'};
+        expect(getBidderFunction('fluct')(bid, '')).to.eql(bid);
+      });
+      it('should return a bid w/ im_segments if any exists', function () {
+        const bid = {
+          bidder: 'fluct',
+          params: {
+            kv: {
+              foo: ['foo1']
+            }
+          }
+        };
+        expect(getBidderFunction('fluct')(bid, {im_segments: ['12345', '67890']}))
+          .to.eql(
+            {
+              bidder: 'fluct',
+              params: {
+                kv: {
+                  foo: ['foo1'],
+                  imsids: ['12345', '67890']
+                }
+              }
+            }
+          );
+      });
+    });
   })
 
   describe('getCustomBidderFunction', function () {