Add schain support for LockerDome adapter (#4360)

Author: margsliu

modules/lockerdomeBidAdapter.js

@@ -9,13 +9,16 @@ export const spec = {
     return !!bid.params.adUnitId;
   },
   buildRequests: function(bidRequests, bidderRequest) {
+    let schain;
+
     const adUnitBidRequests = bidRequests.map(function (bid) {
+      if (bid.schain) schain = schain || bid.schain;
       return {
         requestId: bid.bidId,
         adUnitCode: bid.adUnitCode,
         adUnitId: utils.getBidIdParameter('adUnitId', bid.params),
         sizes: bid.mediaTypes && bid.mediaTypes.banner && bid.mediaTypes.banner.sizes
-      }
+      };
     });
 
     const bidderRequestCanonicalUrl = (bidderRequest && bidderRequest.refererInfo && bidderRequest.refererInfo.canonicalUrl) || '';
@@ -25,12 +28,16 @@ export const spec = {
       url: encodeURIComponent(bidderRequestCanonicalUrl),
       referrer: encodeURIComponent(bidderRequestReferer)
     };
-
-    if (bidderRequest && bidderRequest.gdprConsent) {
-      payload.gdpr = {
-        applies: bidderRequest.gdprConsent.gdprApplies,
-        consent: bidderRequest.gdprConsent.consentString
-      };
+    if (schain) {
+      payload.schain = schain;
+    }
+    if (bidderRequest) {
+      if (bidderRequest.gdprConsent) {
+        payload.gdpr = {
+          applies: bidderRequest.gdprConsent.gdprApplies,
+          consent: bidderRequest.gdprConsent.consentString
+        };
+      }
     }
 
     const payloadString = JSON.stringify(payload);
@@ -58,5 +65,5 @@ export const spec = {
       };
     });
   },
-}
+};
 registerBidder(spec);

test/spec/modules/lockerdomeBidAdapter_spec.js

@@ -17,7 +17,18 @@ describe('LockerDomeAdapter', function () {
     transactionId: 'b55e97d7-792c-46be-95a5-3df40b115734',
     bidId: '2652ca954bce9',
     bidderRequestId: '14a54fade69854',
-    auctionId: 'd4c83108-615d-4c2c-9384-dac9ffd4fd72'
+    auctionId: 'd4c83108-615d-4c2c-9384-dac9ffd4fd72',
+    schain: {
+      ver: '1.0',
+      complete: 1,
+      nodes: [
+        {
+          asi: 'indirectseller.com',
+          sid: '00001',
+          hp: 1
+        }
+      ]
+    }
   }, {
     bidder: 'lockerdome',
     params: {
@@ -32,7 +43,18 @@ describe('LockerDomeAdapter', function () {
     transactionId: '73459f05-c482-4706-b2b7-72e6f6264ce6',
     bidId: '4510f2834773ce',
     bidderRequestId: '14a54fade69854',
-    auctionId: 'd4c83108-615d-4c2c-9384-dac9ffd4fd72'
+    auctionId: 'd4c83108-615d-4c2c-9384-dac9ffd4fd72',
+    schain: {
+      ver: '1.0',
+      complete: 1,
+      nodes: [
+        {
+          asi: 'indirectseller.com',
+          sid: '00001',
+          hp: 1
+        }
+      ]
+    }
   }];
 
   describe('isBidRequestValid', function () {
@@ -103,6 +125,31 @@ describe('LockerDomeAdapter', function () {
     });
   });
 
+  it('should add schain to request if available', function () {
+    const bidderRequest = {
+      refererInfo: {
+        canonicalUrl: 'https://example.com/canonical',
+        referer: 'https://example.com'
+      }
+    };
+    const schainExpected = {
+      ver: '1.0',
+      complete: 1,
+      nodes: [
+        {
+          asi: 'indirectseller.com',
+          sid: '00001',
+          hp: 1
+        }
+      ]
+    };
+
+    const request = spec.buildRequests(bidRequests, bidderRequest);
+    const requestData = JSON.parse(request.data);
+    expect(requestData.schain).to.be.an('object');
+    expect(requestData.schain).to.deep.equal(schainExpected);
+  });
+
   describe('interpretResponse', function () {
     it('should return an empty array if an invalid response is passed', function () {
       const interpretedResponse = spec.interpretResponse({ body: {} });