IX Bid Adapter: fix request options field [PB-3461]

modules/ixBidAdapter.js

@@ -751,8 +751,9 @@ function buildRequest(validBidRequests, bidderRequest, impressions, version) {
         method: 'POST',
         url: exchangeUrl,
         data: deepClone(r),
-        option: {
+        options: {
           contentType: 'text/plain',
+          withCredentials: true
         },
         validBidRequests
       });

test/spec/modules/ixBidAdapter_spec.js

@@ -4,6 +4,7 @@ import { expect } from 'chai';
 import { newBidder } from 'src/adapters/bidderFactory.js';
 import { spec, storage, FEATURE_TOGGLES, LOCAL_STORAGE_FEATURE_TOGGLES_KEY, REQUESTED_FEATURE_TOGGLES, combineImps, bidToVideoImp, bidToNativeImp, deduplicateImpExtFields, removeSiteIDs, addDeviceInfo } from '../../../modules/ixBidAdapter.js';
 import { deepAccess, deepClone } from '../../../src/utils.js';
+import * as ajaxLib from 'src/ajax.js';
 
 describe('IndexexchangeAdapter', function () {
   const IX_SECURE_ENDPOINT = 'https://htlb.casalemedia.com/openrtb/pbjs';
@@ -2088,7 +2089,11 @@ describe('IndexexchangeAdapter', function () {
     it('request should be made to IX endpoint with POST method and siteId in query param', function () {
       expect(requestMethod).to.equal('POST');
       expect(requestUrl).to.equal(IX_SECURE_ENDPOINT + '?s=' + DEFAULT_BANNER_VALID_BID[0].params.siteId);
-      expect(request.option.contentType).to.equal('text/plain')
+    });
+
+    it('request made to IX endpoint with POST method should have correct options fields set', function () {
+      expect(request.options.contentType).to.equal('text/plain')
+      expect(request.options.withCredentials).to.equal(true)
     });
 
     it('auction type should be set correctly', function () {
@@ -5003,6 +5008,7 @@ describe('IndexexchangeAdapter', function () {
       expect(result['b8c6b5d5-76a1-4a90-b635-0c7eae1bfaa7'].ixImps.length).to.equal(1);
     });
   });
+
   describe('apply floors test', function () {
     it('video test', function() {
       const bid = utils.deepClone(DEFAULT_VIDEO_VALID_BID[0]);
@@ -5367,6 +5373,7 @@ describe('IndexexchangeAdapter', function () {
       expect(removeSiteIDs(request)).to.deep.equal(expected);
     });
   });
+
   describe('addDeviceInfo', () => {
     it('should add device to request when device already exists', () => {
       let r = {
@@ -5385,4 +5392,53 @@ describe('IndexexchangeAdapter', function () {
       expect(r.device.h).to.exist;
     });
   });
+
+  describe('fetch requests', function () {
+    let ajaxStub;
+
+    beforeEach(function () {
+      ajaxStub = sinon.stub(ajaxLib, 'ajaxBuilder').callsFake(() => {
+        return sinon.spy(function (url, callback, data, options) {
+          callback.success('OK');
+        });
+      });
+    });
+
+    afterEach(function () {
+      ajaxStub.restore();
+    });
+
+    it('should send the correct headers in the actual fetch call', function (done) {
+      const requests = spec.buildRequests(DEFAULT_BANNER_VALID_BID, DEFAULT_OPTION);
+      const request = requests[0];
+      const ajax = ajaxLib.ajaxBuilder();
+
+      ajax(
+        request.url,
+        {
+          success: () => {
+            try {
+              sinon.assert.calledOnce(ajaxStub);
+              const ajaxCall = ajaxStub.returnValues[0];
+              sinon.assert.calledOnce(ajaxCall);
+              const [calledUrl, callback, calledData, calledOptions] = ajaxCall.getCall(0).args;
+
+              expect(calledUrl).to.equal(request.url);
+              expect(calledData).to.equal(request.data);
+
+              expect(calledOptions.contentType).to.equal('text/plain');
+              expect(calledOptions.withCredentials).to.be.true;
+
+              done();
+            } catch (err) {
+              done(err);
+            }
+          },
+          error: (err) => done(err || new Error('Ajax request failed')),
+        },
+        request.data,
+        request.options
+      );
+    });
+  });
 });