ADSS-281 implement getUserSyncs and putting checks for empty ad serve…

…r response (#2377)

modules/gumgumBidAdapter.js

@@ -148,6 +148,16 @@ function buildRequests (validBidRequests) {
 function interpretResponse (serverResponse, bidRequest) {
   const bidResponses = []
   const serverResponseBody = serverResponse.body
+  const defaultResponse = {
+    ad: {
+      price: 0,
+      id: 0,
+      markup: ''
+    },
+    pag: {
+      pvid: 0
+    }
+  }
   const {
     ad: {
       price: cpm,
@@ -158,7 +168,7 @@ function interpretResponse (serverResponse, bidRequest) {
     pag: {
       pvid
     }
-  } = serverResponseBody
+  } = Object.assign(defaultResponse, serverResponseBody)
   let isTestUnit = (bidRequest.data && bidRequest.data.pi === 3 && bidRequest.data.si === 9)
   let [width, height] = utils.parseSizesInput(bidRequest.sizes)[0].split('x')
 
@@ -183,11 +193,35 @@ function interpretResponse (serverResponse, bidRequest) {
   return bidResponses
 }
 
+/**
+ * Register the user sync pixels which should be dropped after the auction.
+ *
+ * @param {SyncOptions} syncOptions Which user syncs are allowed?
+ * @param {ServerResponse[]} serverResponses List of server's responses.
+ * @return {UserSync[]} The user syncs which should be dropped.
+ */
+function getUserSyncs (syncOptions, serverResponses) {
+  const responses = serverResponses.map((response) => {
+    return (response.body && response.body.pxs && response.body.pxs.scr) || []
+  })
+  const userSyncs = responses.reduce(function (usersyncs, response) {
+    return usersyncs.concat(response)
+  }, [])
+  const syncs = userSyncs.map((sync) => {
+    return {
+      type: sync.t === 'f' ? 'iframe' : 'image',
+      url: sync.u
+    }
+  })
+  return syncs;
+}
+
 export const spec = {
   code: BIDDER_CODE,
   aliases: ALIAS_BIDDER_CODE,
   isBidRequestValid,
   buildRequests,
-  interpretResponse
+  interpretResponse,
+  getUserSyncs
 }
 registerBidder(spec)

test/spec/modules/gumgumBidAdapter_spec.js

@@ -135,4 +135,26 @@ describe('gumgumAdapter', () => {
       expect(result.length).to.equal(0);
     });
   })
+  describe('getUserSyncs', () => {
+    const syncOptions = {
+      'iframeEnabled': 'true'
+    }
+    const response = {
+      'pxs': {
+        'scr': [
+          {
+            't': 'i',
+            'u': 'https://c.gumgum.com/images/pixel.gif'
+          },
+          {
+            't': 'f',
+            'u': 'https://www.nytimes.com/'
+          }
+        ]
+      }
+    }
+    let result = spec.getUserSyncs(syncOptions, [{ body: response }]);
+    expect(result[0].type).to.equal('image')
+    expect(result[1].type).to.equal('iframe')
+  })
 });