diff --git a/modules/retailspotBidAdapter .md b/modules/retailspotBidAdapter .md
new file mode 100644
index 00000000000..a9b4cb4bec3
--- /dev/null
+++ b/modules/retailspotBidAdapter .md	
@@ -0,0 +1,32 @@
+# Overview
+
+Module Name: RetailSpot Bidder Adapter
+Module Type: Bidder Adapter
+Maintainer: guillaume@retail-spot.io
+
+# Description
+
+Module that connects to RetailSpot demand sources.
+Banner and Video ad formats are supported.
+
+# Test Parameters
+```
+  var adUnits = {
+    "code": "test-div",
+    "mediaTypes": {
+      "banner": {
+        "sizes": ["300x250"]
+      },
+      "video": {
+        context: "instream",
+        playerSize: [[640, 480]]
+      }
+    },
+    bids: [{
+      bidder: "retailspot",
+      params: {
+        placement: "test-12345"
+      }
+    }]
+  };
+```
diff --git a/modules/retailspotBidAdapter.js b/modules/retailspotBidAdapter.js
new file mode 100644
index 00000000000..616b638e840
--- /dev/null
+++ b/modules/retailspotBidAdapter.js
@@ -0,0 +1,186 @@
+import {buildUrl, deepAccess, parseSizesInput} from '../src/utils.js';
+import {registerBidder} from '../src/adapters/bidderFactory.js';
+import {BANNER, VIDEO} from '../src/mediaTypes.js';
+
+const BIDDER_CODE = 'retailspot';
+const DEFAULT_SUBDOMAIN = 'ssp';
+const PREPROD_SUBDOMAIN = 'ssp-preprod';
+const HOST = 'retail-spot.io';
+const ENDPOINT = '/prebid';
+const DEV_URL = 'http://localhost:8090/prebid';
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [BANNER, VIDEO],
+  aliases: ['rs'], // short code
+  /**
+   * Determines whether or not the given bid request is valid.
+   *
+   * @param {BidRequest} bid The bid params to validate.
+   * @return boolean True if this is a valid bid, and false otherwise.
+   */
+  isBidRequestValid: function (bid) {
+    const sizes = getSize(getSizeArray(bid));
+    const sizeValid = sizes.width > 0 && sizes.height > 0;
+
+    return deepAccess(bid, 'params.placement') && sizeValid;
+  },
+  /**
+   * Make a server request from the list of BidRequests.
+   *
+   * @param {bidRequests} - bidRequests.bids[] is an array of AdUnits and bids
+   * @return ServerRequest Info describing the request to the server.
+   */
+  buildRequests: function (bidRequests, bidderRequest) {
+    const payload = bidderRequest;
+    payload.rs_pbjs_version = '$prebid.version$';
+
+    const data = JSON.stringify(payload);
+    const options = {
+      withCredentials: true
+    };
+
+    const envParam = bidRequests[0].params.env;
+    var subDomain = DEFAULT_SUBDOMAIN;
+    if (envParam === 'preprod') {
+      subDomain = PREPROD_SUBDOMAIN;
+    }
+
+    let url = buildUrl({
+      protocol: 'https',
+      host: `${subDomain}.${HOST}`,
+      pathname: ENDPOINT
+    });
+
+    if (envParam === 'dev') {
+      url = DEV_URL;
+    }
+
+    return {
+      method: 'POST',
+      url,
+      data,
+      options
+    };
+  },
+  /**
+   * Unpack the response from the server into a list of bids.
+   *
+   * @param {*} serverResponse A successful response from the server.
+   * @return {Bid[]} An array of bids which were nested inside the server.
+   */
+  interpretResponse: function (serverResponse, request) {
+    const bidResponses = [];
+    var bidRequests = {};
+
+    try {
+      bidRequests = JSON.parse(request.data).bids;
+    } catch (err) {
+      // json error initial request can't be read
+    }
+
+    // For this adapter, serverResponse is a list
+    serverResponse.body.forEach(response => {
+      const bid = createBid(response, bidRequests);
+      if (bid) {
+        bidResponses.push(bid);
+      }
+    });
+
+    return bidResponses;
+  }
+}
+
+function getSizeArray(bid) {
+  let inputSize = bid.sizes || [];
+
+  if (bid.mediaTypes && bid.mediaTypes.banner) {
+    inputSize = bid.mediaTypes.banner.sizes || [];
+  }
+
+  // handle size in bid.params in formats: [w, h] and [[w,h]].
+  if (bid.params && Array.isArray(bid.params.size)) {
+    inputSize = bid.params.size;
+    if (!Array.isArray(inputSize[0])) {
+      inputSize = [inputSize]
+    }
+  }
+
+  return parseSizesInput(inputSize);
+}
+
+/* Get parsed size from request size */
+function getSize(sizesArray) {
+  const parsed = {};
+  // the main requested size is the first one
+  const size = sizesArray[0];
+
+  if (typeof size !== 'string') {
+    return parsed;
+  }
+
+  const parsedSize = size.toUpperCase().split('X');
+  const width = parseInt(parsedSize[0], 10);
+  if (width) {
+    parsed.width = width;
+  }
+
+  const height = parseInt(parsedSize[1], 10);
+  if (height) {
+    parsed.height = height;
+  }
+
+  return parsed;
+}
+
+/* Create bid from response */
+function createBid(response, bidRequests) {
+  if (!response || !response.mediaType ||
+    (response.mediaType === 'video' && !response.vastXml) ||
+    (response.mediaType === 'banner' && !response.ad)) {
+    return;
+  }
+
+  const request = bidRequests && bidRequests.length && bidRequests.find(itm => response.requestId === itm.bidId);
+  // In case we don't retreive the size from the adserver, use the given one.
+  if (request) {
+    if (!response.width || response.width === '0') {
+      response.width = request.width;
+    }
+
+    if (!response.height || response.height === '0') {
+      response.height = request.height;
+    }
+  }
+
+  const bid = {
+    bidderCode: BIDDER_CODE,
+    width: response.width,
+    height: response.height,
+    requestId: response.requestId,
+    ttl: response.ttl || 3600,
+    creativeId: response.creativeId,
+    cpm: response.cpm,
+    netRevenue: response.netRevenue,
+    currency: response.currency,
+    meta: response.meta || { advertiserDomains: ['retail-spot.io'] },
+    mediaType: response.mediaType
+  };
+
+  // retreive video response if present
+  if (response.mediaType === 'video') {
+    bid.vastXml = window.atob(response.vastXml);
+  } else {
+    bid.ad = response.ad;
+  }
+  if (response.adId) {
+    bid.adId = response.adId;
+  }
+  if (response.dealId) {
+    bid.dealId = response.dealId;
+  }
+
+  return bid;
+}
+
+registerBidder(spec);
diff --git a/test/spec/modules/retailspotBidAdapter_spec.js b/test/spec/modules/retailspotBidAdapter_spec.js
new file mode 100644
index 00000000000..39cddb323b8
--- /dev/null
+++ b/test/spec/modules/retailspotBidAdapter_spec.js
@@ -0,0 +1,426 @@
+import { expect } from 'chai';
+
+import { spec } from 'modules/retailspotBidAdapter.js';
+import { newBidder } from 'src/adapters/bidderFactory.js';
+
+describe('RetailSpot Adapter', function () {
+  const canonicalUrl = 'https://canonical.url/?t=%26';
+  const referrerUrl = 'http://referrer.url/?param=value';
+  const pageUrl = 'http://page.url/?param=value';
+  const domain = 'domain:123';
+  const env = 'preprod';
+  const consentString = 'BOJ8RZsOJ8RZsABAB8AAAAAZ+A==';
+  const bidderRequest = {
+    'auctionId': '1d1a030790a475',
+    'bidderRequestId': '22edbae2733bf6',
+    'timeout': 3000,
+    'gdprConsent': {
+      consentString: consentString,
+      gdprApplies: true
+    },
+    refererInfo: {location: referrerUrl, canonicalUrl, domain, topmostLocation: 'fakePageURL'},
+    ortb2: {site: {page: pageUrl, ref: referrerUrl}}
+  };
+
+  const bidRequestWithSinglePlacement = [
+    {
+      'bidId': 'bid_id_0',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-0',
+      'params': {
+        'placement': 'placement_0'
+      },
+      'sizes': '300x250',
+      'mediaTypes': {
+        'banner': {
+          'sizes': ['300x250']
+        },
+      },
+      'transactionId': 'bid_id_0_transaction_id'
+    }
+  ];
+
+  const bidRequestWithMultipleMediatype = [
+    {
+      'bidId': 'bid_id_0',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-0',
+      'params': {
+        'placement': 'placement_0'
+      },
+      'sizes': '300x250',
+      'mediaTypes': {
+        'banner': {
+          'sizes': ['640x480']
+        },
+        'video': {
+          'playerSize': [640, 480],
+          'context': 'outstream'
+        }
+      },
+      'transactionId': 'bid_id_0_transaction_id'
+    }
+  ];
+
+  const sentBidVideo = [
+    {
+      'bidId': 'bid_id_0',
+      'placement': 'test-1234',
+      'video': {
+        'playerSize': [640, 480]
+      }
+    }
+  ];
+
+  const bidRequestWithDevPlacement = [
+    {
+      'bidId': 'bid_id_0',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-0',
+      'params': {
+        'placement': 'placement_0',
+        'env': 'dev'
+      },
+      'sizes': '300x250',
+      'mediaTypes':
+        { 'banner':
+          {'sizes': ['300x250']
+          }
+        },
+      'transactionId': 'bid_id_0_transaction_id'
+    }
+  ];
+
+  const bidRequestMultiPlacements = [
+    {
+      'bidId': 'bid_id_0',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-0',
+      'params': {
+        'placement': 'placement_0'
+      },
+      'sizes': '300x250',
+      'mediaTypes':
+        { 'banner':
+          {'sizes': ['300x250']
+          }
+        },
+      'transactionId': 'bid_id_0_transaction_id'
+    },
+    {
+      'bidId': 'bid_id_1',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-1',
+      'params': {
+        'placement': 'placement_1'
+      },
+      'sizes': [[300, 600]],
+      'mediaTypes':
+        { 'banner':
+          {'sizes': ['300x600']
+          }
+        },
+      'transactionId': 'bid_id_1_transaction_id'
+    },
+    {
+      'bidId': 'bid_id_2',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-2',
+      'params': {},
+      'sizes': '300x400',
+      'transactionId': 'bid_id_2_transaction_id'
+    },
+    {
+      'bidId': 'bid_id_3',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-3',
+      'params': {
+        'placement': 'placement_3'
+      },
+      'transactionId': 'bid_id_3_transaction_id'
+    }
+  ];
+
+  const requestDataOnePlacement = [
+    {
+      'bidId': 'bid_id_0',
+      'placement': 'e622af275681965d3095808561a1e510',
+      'width': 300,
+      'height': 600
+    }
+  ]
+
+  const requestDataMultiPlacement = [
+    {
+      'bidId': 'bid_id_0',
+      'placement': 'e622af275681965d3095808561a1e510',
+      'width': 300,
+      'height': 600
+    },
+    {
+      'bidId': 'bid_id_1',
+      'placement': 'e622af275681965d3095808561a1e510',
+      'width': 400,
+      'height': 250
+    }
+  ]
+
+  const testMetaObject = {
+    'networkId': 123,
+    'advertiserId': '3',
+    'advertiserName': 'foobar',
+    'advertiserDomains': ['foobar.com'],
+    'brandId': '345',
+    'brandName': 'Foo',
+    'primaryCatId': '34',
+    'secondaryCatIds': ['IAB-222', 'IAB-333'],
+    'mediaType': 'banner'
+  };
+  const admSample = "\u003cscript id=\"ayl-prebid-a11a121205932e75e622af275681965d\"\u003e\n(function(){\n\twindow.isPrebid = true\n\tvar prebidResults = /*PREBID*/{\"OnEvents\": {\"CLICK\": [{\"Kind\": \"PIXEL_URL\",\"Url\": \"https://testPixelCLICK.com/fake\"}],\"IMPRESSION\": [{\"Kind\": \"PIXEL_URL\",\"Url\": \"https://testPixelIMP.com/fake\"}, {\"Kind\": \"JAVASCRIPT_URL\",\"Url\": \"https://testJsIMP.com/fake.js\"}]},\"Disabled\": false,\"Attempt\": \"a11a121205932e75e622af275681965d\",\"ApiPrefix\": \"https://fo-api.omnitagjs.com/fo-api\",\"TrackingPrefix\": \"https://tracking.omnitagjs.com/tracking\",\"DynamicPrefix\": \"https://tag-dyn.omnitagjs.com/fo-dyn\",\"StaticPrefix\": \"https://fo-static.omnitagjs.com/fo-static\",\"BlobPrefix\": \"https://fo-api.omnitagjs.com/fo-api/blobs\",\"SspPrefix\": \"https://fo-ssp.omnitagjs.com/fo-ssp\",\"VisitorPrefix\": \"https://visitor.omnitagjs.com/visitor\",\"Trusted\": true,\"Placement\": \"e622af275681965d3095808561a1e510\",\"PlacementAccess\": \"ALL\",\"Site\": \"6e2df7a92203c3c7a25561ed63f25a27\",\"Lang\": \"EN\",\"SiteLogo\": null,\"HasSponsorImage\": true,\"ResizeIframe\": true,\"IntegrationConfig\": {\"Kind\": \"WIDGET\",\"Widget\": {\"ExtraStyleSheet\": \"\",\"Placeholders\": {\"Body\": {\"Color\": {\"R\": 77,\"G\": 21,\"B\": 82,\"A\": 100},\"BackgroundColor\": {\"R\": 255,\"G\": 255,\"B\": 255,\"A\": 100},\"FontFamily\": \"Lato\",\"Width\": \"100%\",\"Align\": \"\",\"BoxShadow\": true},\"CallToAction\": {\"Color\": {\"R\": 26,\"G\": 157,\"B\": 212,\"A\": 100}},\"Description\": {\"Length\": 130},\"Image\": {\"Width\": 600,\"Height\": 600,\"Lowres\": false,\"Raw\": false},\"Size\": {\"Height\": \"250px\",\"Width\": \"300px\"},\"Title\": {\"Color\": {\"R\": 219,\"G\": 181,\"B\": 255,\"A\": 100}}},\"Selector\": {\"Kind\": \"CSS\",\"Css\": \"#ayl-prebid-a11a121205932e75e622af275681965d\"},\"Insertion\": \"AFTER\",\"ClickFormat\": true,\"Creative20\": true,\"WidgetKind\": \"CREATIVE_TEMPLATE_4\"}},\"Legal\": \"Sponsored\",\"ForcedCampaign\": \"f1c80d4bb5643c222ae8de75e9b2f991\",\"ForcedTrack\": \"\",\"ForcedCreative\": \"\",\"ForcedSource\": \"\",\"DisplayMode\": \"DEFAULT\",\"Campaign\": \"f1c80d4bb5643c222ae8de75e9b2f991\",\"CampaignAccess\": \"ALL\",\"CampaignKind\": \"AD_TRAFFIC\",\"DataSource\": \"LOCAL\",\"DataSourceUrl\": \"\",\"DataSourceOnEventsIsolated\": false,\"DataSourceWithoutCookie\": false,\"Content\": {\"Preview\": {\"Thumbnail\": {\"Image\": {\"Kind\": \"EXTERNAL\",\"Data\": {\"External\": {\"Url\": \"https://tag-dyn.omnitagjs.com/fo-dyn/native/preview/image?key=fd4362d35bb174d6f1c80d4bb5643c22\\u0026kind=INTERNAL\\u0026ztop=0.000000\\u0026zleft=0.000000\\u0026zwidth=0.333333\\u0026zheight=1.000000\\u0026width=[width]\\u0026height=[height]\"}},\"ZoneTop\": 0,\"ZoneLeft\": 0,\"ZoneWidth\": 1,\"ZoneHeight\": 1,\"Smart\": false,\"NoTransform\": false,\"Quality\": \"NORMAL\"}},\"Text\": {\"CALLTOACTION\": \"Click here to learn more\",\"DESCRIPTION\": \"Considérant l'extrémité conjoncturelle, il serait bon d'anticiper toutes les voies de bon sens.\",\"SPONSOR\": \"Tested by\",\"TITLE\": \"Adserver Traffic Redirect Internal\"},\"Sponsor\": {\"Name\": \"QA Team\",\"Logo\": {\"Resource\": {\"Kind\": \"EXTERNAL\",\"Data\": {\"External\": {\"Url\": \"https://fo-static.omnitagjs.com/fo-static/native/images/info-ayl.svg\"}},\"ZoneTop\": 0,\"ZoneLeft\": 0,\"ZoneWidth\": 1,\"ZoneHeight\": 1,\"Smart\": false,\"NoTransform\": false,\"Quality\": \"NORMAL\"}}},\"Credit\": {\"Logo\": {\"Resource\": {\"Kind\": \"EXTERNAL\",\"Data\": {\"External\": {\"Url\": \"https://fo-static.omnitagjs.com/fo-static/native/images/info-ayl.png\"}},\"ZoneTop\": 0,\"ZoneLeft\": 0,\"ZoneWidth\": 1,\"ZoneHeight\": 1,\"Smart\": false,\"NoTransform\": false,\"Quality\": \"NORMAL\"}},\"Url\": \"https://blobs.omnitagjs.com/adchoice/\"}},\"Landing\": {\"Url\": \"https://www.w3.org/People/mimasa/test/xhtml/entities/entities-11.xhtml#lat1\",\"LegacyTracking\": false},\"ViewButtons\": {\"Close\": {\"Skip\": 6000}},\"InternalContentFields\": {\"AnimatedImage\": false}},\"AdDomain\": \"retailspot.com\",\"Opener\": \"REDIRECT\",\"PerformUITriggers\": [\"CLICK\"],\"RedirectionTarget\": \"TAB\"}/*PREBID*/;\n\tvar insertAds = function insertAds() {\insertAds();\n\t}\n})();\n\u003c/script\u003e";
+  const responseWithSinglePlacement = [
+    {
+      'requestId': 'bid_id_0',
+      'placement': 'placement_0',
+      'ad': admSample,
+      'cpm': 0.5,
+      'height': 250,
+      'width': 300,
+      'meta': testMetaObject,
+      'mediaType': 'banner'
+    }
+  ];
+
+  const responseWithSingleVideo = [{
+    'requestId': 'bid_id_0',
+    'placement': 'placement_0',
+    'vastXml': 'PFZBU1Q+RW1wdHkgc2FtcGxlPC92YXN0Pg==',
+    'cpm': 0.5,
+    'height': 300,
+    'width': 530,
+    'mediaType': 'video',
+    'creativeId': 'testvideo123',
+    'netRevenue': true,
+    'currency': 'USD',
+    'adId': 'fakeAdID',
+    'dealId': 'fakeDealId'
+  }];
+
+  const videoResult = [{
+    bidderCode: 'retailspot',
+    cpm: 0.5,
+    creativeId: 'testvideo123',
+    currency: 'USD',
+    height: 300,
+    netRevenue: true,
+    requestId: 'bid_id_0',
+    ttl: 3600,
+    mediaType: 'video',
+    meta: {
+      advertiserDomains: ['retail-spot.io']
+    },
+    vastXml: '<VAST>Empty sample</vast>',
+    width: 530,
+    adId: 'fakeAdID',
+    dealId: 'fakeDealId'
+  }];
+
+  const responseWithMultiplePlacements = [
+    {
+      'requestId': 'bid_id_0',
+      'mediaType': 'banner',
+      'placement': 'placement_0',
+      'ad': 'placement_0',
+      'cpm': 0.5,
+      'height': 0, // test with wrong value
+      'width': 300,
+    },
+    {
+      'requestId': 'bid_id_1',
+      'mediaType': 'banner',
+      'placement': 'placement_1',
+      'ad': 'placement_1',
+      'cpm': 0.6,
+      'height': 250
+      // 'width'  test with missing value
+    }
+  ];
+  const adapter = newBidder(spec);
+
+  const DEV_URL = 'http://localhost:8090/';
+
+  describe('inherited functions', function () {
+    it('exists and is a function', function () {
+      expect(adapter.callBids).to.exist.and.to.be.a('function');
+    });
+  });
+
+  describe('isBidRequestValid', function () {
+    let bid = {
+      'bidId': 'bid_id_1',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-1',
+      'params': {
+        'placement': 'placement_1'
+      },
+      'sizes': [[300, 600]],
+      'transactionId': 'bid_id_1_transaction_id'
+    };
+
+    let bidWSize = {
+      'bidId': 'bid_id_1',
+      'bidder': 'retailspot',
+      'placementCode': 'adunit/hb-1',
+      'params': {
+        'placement': 'placement_1',
+        'size': [250, 300],
+      },
+      'transactionId': 'bid_id_1_transaction_id'
+    };
+
+    it('should return true when required params found', function () {
+      expect(!!spec.isBidRequestValid(bid)).to.equal(true);
+    });
+
+    it('should return true when required params found with size in bid params', function () {
+      expect(!!spec.isBidRequestValid(bidWSize)).to.equal(true);
+    });
+
+    it('should return false when required params are not passed', function () {
+      let bid = Object.assign({}, bid);
+      delete bid.size;
+
+      expect(!!spec.isBidRequestValid(bid)).to.equal(false);
+    });
+
+    it('should return false when required params are not passed', function () {
+      let bid = Object.assign({}, bid);
+      delete bid.params;
+      bid.params = {
+        'placement': 0
+      };
+      expect(!!spec.isBidRequestValid(bid)).to.equal(false);
+    });
+  });
+
+  describe('buildRequests', function () {
+    it('should add gdpr/usp consent information to the request', function () {
+      let consentString = 'BOJ8RZsOJ8RZsABAB8AAAAAZ+A==';
+      let uspConsentData = '1YCC';
+      let bidderRequest = {
+        'auctionId': '1d1a030790a475',
+        'bidderRequestId': '22edbae2733bf6',
+        'timeout': 3000,
+        'gdprConsent': {
+          consentString: consentString,
+          gdprApplies: true
+        },
+        'uspConsent': uspConsentData
+      };
+
+      bidderRequest.Bids = bidRequestWithSinglePlacement;
+
+      const request = spec.buildRequests(bidRequestWithSinglePlacement, bidderRequest);
+      const payload = JSON.parse(request.data);
+
+      expect(payload.gdprConsent).to.exist;
+      expect(payload.gdprConsent.consentString).to.exist.and.to.equal(consentString);
+      expect(payload.uspConsent).to.exist.and.to.equal(uspConsentData);
+    });
+
+    it('sends bid request to endpoint with single placement', function () {
+      bidderRequest.Bids = bidRequestWithSinglePlacement;
+
+      const request = spec.buildRequests(bidRequestWithSinglePlacement, bidderRequest);
+      const payload = JSON.parse(request.data);
+
+      expect(request.url).to.contain('https://ssp.retail-spot.io/prebid');
+      expect(request.method).to.equal('POST');
+
+      expect(payload).to.deep.equal(bidderRequest);
+    });
+
+    it('sends bid request to endpoint with single placement multiple mediatype', function () {
+      bidderRequest.Bids = bidRequestWithMultipleMediatype;
+      const request = spec.buildRequests(bidRequestWithSinglePlacement, bidderRequest);
+      const payload = JSON.parse(request.data);
+
+      expect(request.url).to.contain('https://ssp.retail-spot.io/prebid');
+      expect(request.method).to.equal('POST');
+
+      expect(payload).to.deep.equal(bidderRequest);
+    });
+
+    it('sends bid request to endpoint with multiple placements', function () {
+      bidderRequest.Bids = bidRequestMultiPlacements;
+      const request = spec.buildRequests(bidRequestMultiPlacements, bidderRequest);
+      const payload = JSON.parse(request.data);
+
+      expect(request.url).to.contain('https://ssp.retail-spot.io/prebid');
+      expect(request.method).to.equal('POST');
+
+      expect(payload).to.deep.equal(bidderRequest);
+    });
+
+    it('sends bid request to endpoint setted by parameters', function () {
+      const request = spec.buildRequests(bidRequestWithDevPlacement, bidderRequest);
+      expect(request.url).to.contain(DEV_URL);
+    });
+  });
+  //
+  describe('interpretResponse', function () {
+    let serverResponse;
+
+    beforeEach(function () {
+      serverResponse = {
+        body: {}
+      }
+    });
+
+    it('handles nobid responses', function () {
+      let response = [{
+        requestId: '123dfsdf',
+        placement: '12df1'
+      }];
+      serverResponse.body = response;
+      let result = spec.interpretResponse(serverResponse, []);
+      expect(result).deep.equal([]);
+    });
+
+    it('receive reponse with single placement', function () {
+      serverResponse.body = responseWithSinglePlacement;
+      let result = spec.interpretResponse(serverResponse, {data: '{"bids":' + JSON.stringify(requestDataOnePlacement) + '}'});
+
+      expect(result.length).to.equal(1);
+      expect(result[0].cpm).to.equal(0.5);
+      expect(result[0].ad).to.equal(admSample);
+      expect(result[0].width).to.equal(300);
+      expect(result[0].height).to.equal(250);
+      expect(result[0].meta).to.deep.equal(testMetaObject);
+    });
+
+    it('receive reponse with multiple placement', function () {
+      serverResponse.body = responseWithMultiplePlacements;
+      let result = spec.interpretResponse(serverResponse, {data: '{"bids":' + JSON.stringify(requestDataMultiPlacement) + '}'});
+
+      expect(result.length).to.equal(2);
+
+      expect(result[0].cpm).to.equal(0.5);
+      expect(result[0].ad).to.equal('placement_0');
+      expect(result[0].width).to.equal(300);
+      expect(result[0].height).to.equal(600);
+
+      expect(result[1].cpm).to.equal(0.6);
+      expect(result[1].ad).to.equal('placement_1');
+      expect(result[1].width).to.equal(400);
+      expect(result[1].height).to.equal(250);
+    });
+
+    it('receive Vast reponse with Video ad', function () {
+      serverResponse.body = responseWithSingleVideo;
+      let result = spec.interpretResponse(serverResponse, {data: '{"bids":' + JSON.stringify(sentBidVideo) + '}'});
+
+      expect(result.length).to.equal(1);
+      expect(result).to.deep.equal(videoResult);
+    });
+  });
+});