diff --git a/modules/platformioBidAdapter.js b/modules/platformioBidAdapter.js
index 93907c9bb1a..3c53022189f 100644
--- a/modules/platformioBidAdapter.js
+++ b/modules/platformioBidAdapter.js
@@ -1,220 +1,226 @@
-
-import {logError, getTopWindowLocation, getTopWindowReferrer} from 'src/utils';
-import { registerBidder } from 'src/adapters/bidderFactory';
-
-const NATIVE_DEFAULTS = {
-  TITLE_LEN: 100,
-  DESCR_LEN: 200,
-  SPONSORED_BY_LEN: 50,
-  IMG_MIN: 150,
-  ICON_MIN: 50,
-};
-
-export const spec = {
-
-  code: 'platformio',
-  supportedMediaTypes: ['native'],
-
-  isBidRequestValid: bid => (
-    !!(bid && bid.params && bid.params.pubId && bid.params.siteId)
-  ),
-  buildRequests: bidRequests => {
-    const request = {
-      id: bidRequests[0].bidderRequestId,
-      at: 2,
-      imp: bidRequests.map(slot => impression(slot)),
-      site: site(bidRequests),
-      device: device(),
-    };
-    return {
-      method: 'POST',
-      url: '//piohbdisp.hb.adx1.com/',
-      data: JSON.stringify(request),
-    };
-  },
-  interpretResponse: (response, request) => (
-    bidResponseAvailable(request, response.body)
-  ),
-};
-
-function bidResponseAvailable(bidRequest, bidResponse) {
-  const idToImpMap = {};
-  const idToBidMap = {};
-  const ortbRequest = parse(bidRequest.data);
-  ortbRequest.imp.forEach(imp => {
-    idToImpMap[imp.id] = imp;
-  });
-  if (bidResponse) {
-    bidResponse.seatbid.forEach(seatBid => seatBid.bid.forEach(bid => {
-      idToBidMap[bid.impid] = bid;
-    }));
-  }
-  const bids = [];
-  Object.keys(idToImpMap).forEach(id => {
-    if (idToBidMap[id]) {
-      const bid = {};
-      bid.requestId = id;
-      bid.adId = id;
-      bid.creativeId = id;
-      bid.cpm = idToBidMap[id].price;
-      bid.currency = bidResponse.cur;
-      bid.ttl = 360;
-      bid.netRevenue = true;
-      if (idToImpMap[id]['native']) {
-        bid['native'] = nativeResponse(idToImpMap[id], idToBidMap[id]);
-        let nurl = idToBidMap[id].nurl;
-        nurl = nurl.replace(/\$(%7B|\{)AUCTION_IMP_ID(%7D|\})/gi, idToBidMap[id].impid);
-        nurl = nurl.replace(/\$(%7B|\{)AUCTION_PRICE(%7D|\})/gi, idToBidMap[id].price);
-        nurl = nurl.replace(/\$(%7B|\{)AUCTION_CURRENCY(%7D|\})/gi, bidResponse.cur);
-        nurl = nurl.replace(/\$(%7B|\{)AUCTION_BID_ID(%7D|\})/gi, bidResponse.bidid);
-        bid['native']['impressionTrackers'] = [nurl];
-        bid.mediaType = 'native';
-      } else {
-        bid.ad = idToBidMap[id].adm;
-        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_IMP_ID(%7D|\})/gi, idToBidMap[id].impid);
-        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_AD_ID(%7D|\})/gi, idToBidMap[id].adid);
-        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_PRICE(%7D|\})/gi, idToBidMap[id].price);
-        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_CURRENCY(%7D|\})/gi, bidResponse.cur);
-        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_BID_ID(%7D|\})/gi, bidResponse.bidid);
-        bid.width = idToImpMap[id].banner.w;
-        bid.height = idToImpMap[id].banner.h;
-      }
-      bids.push(bid);
-    }
-  });
-  return bids;
-}
-function impression(slot) {
-  return {
-    id: slot.bidId,
-    banner: banner(slot),
-    'native': nativeImpression(slot),
-    bidfloor: slot.params.bidFloor || '0.000001',
-    tagid: slot.params.placementId.toString(),
-  };
-}
-function banner(slot) {
-  if (!slot.nativeParams) {
-    const size = slot.params.size.toUpperCase().split('X');
-    const width = parseInt(size[0]);
-    const height = parseInt(size[1]);
-    return {
-      w: width,
-      h: height,
-    };
-  };
-}
-
-function nativeImpression(slot) {
-  if (slot.nativeParams) {
-    const assets = [];
-    addAsset(assets, titleAsset(1, slot.nativeParams.title, NATIVE_DEFAULTS.TITLE_LEN));
-    addAsset(assets, dataAsset(2, slot.nativeParams.body, 2, NATIVE_DEFAULTS.DESCR_LEN));
-    addAsset(assets, dataAsset(3, slot.nativeParams.sponsoredBy, 1, NATIVE_DEFAULTS.SPONSORED_BY_LEN));
-    addAsset(assets, imageAsset(4, slot.nativeParams.icon, 1, NATIVE_DEFAULTS.ICON_MIN, NATIVE_DEFAULTS.ICON_MIN));
-    addAsset(assets, imageAsset(5, slot.nativeParams.image, 3, NATIVE_DEFAULTS.IMG_MIN, NATIVE_DEFAULTS.IMG_MIN));
-    return {
-      request: JSON.stringify({ assets }),
-      ver: '1.1',
-    };
-  }
-  return null;
-}
-
-function addAsset(assets, asset) {
-  if (asset) {
-    assets.push(asset);
-  }
-}
-
-function titleAsset(id, params, defaultLen) {
-  if (params) {
-    return {
-      id,
-      required: params.required ? 1 : 0,
-      title: {
-        len: params.len || defaultLen,
-      },
-    };
-  }
-  return null;
-}
-
-function imageAsset(id, params, type, defaultMinWidth, defaultMinHeight) {
-  return params ? {
-    id,
-    required: params.required ? 1 : 0,
-    img: {
-      type,
-      wmin: params.wmin || defaultMinWidth,
-      hmin: params.hmin || defaultMinHeight,
-    }
-  } : null;
-}
-
-function dataAsset(id, params, type, defaultLen) {
-  return params ? {
-    id,
-    required: params.required ? 1 : 0,
-    data: {
-      type,
-      len: params.len || defaultLen,
-    }
-  } : null;
-}
-
-function site(bidderRequest) {
-  const pubId = bidderRequest && bidderRequest.length > 0 ? bidderRequest[0].params.pubId : '0';
-  const siteId = bidderRequest && bidderRequest.length > 0 ? bidderRequest[0].params.siteId : '0';
-  return {
-    publisher: {
-      id: pubId.toString(),
-      domain: getTopWindowLocation().hostname,
-    },
-    id: siteId.toString(),
-    ref: getTopWindowReferrer(),
-    page: getTopWindowLocation().href,
-  }
-}
-
-function device() {
-  return {
-    ua: navigator.userAgent,
-    language: (navigator.language || navigator.browserLanguage || navigator.userLanguage || navigator.systemLanguage),
-    w: (window.screen.width || window.innerWidth),
-    h: (window.screen.height || window.innerHeigh),
-  };
-}
-function parse(rawResponse) {
-  try {
-    if (rawResponse) {
-      return JSON.parse(rawResponse);
-    }
-  } catch (ex) {
-    logError('platformio.parse', 'ERROR', ex);
-  }
-  return null;
-}
-
-function nativeResponse(imp, bid) {
-  if (imp['native']) {
-    const nativeAd = parse(bid.adm);
-    const keys = {};
-    if (nativeAd && nativeAd['native'] && nativeAd['native'].assets) {
-      nativeAd['native'].assets.forEach(asset => {
-        keys.title = asset.title ? asset.title.text : keys.title;
-        keys.body = asset.data && asset.id === 2 ? asset.data.value : keys.body;
-        keys.sponsoredBy = asset.data && asset.id === 3 ? asset.data.value : keys.sponsoredBy;
-        keys.icon = asset.img && asset.id === 4 ? asset.img.url : keys.icon;
-        keys.image = asset.img && asset.id === 5 ? asset.img.url : keys.image;
-      });
-      if (nativeAd['native'].link) {
-        keys.clickUrl = encodeURIComponent(nativeAd['native'].link.url);
-      }
-      return keys;
-    }
-  }
-  return null;
-}
-
-registerBidder(spec);
+
+import {logError, getTopWindowLocation, getTopWindowReferrer} from 'src/utils';
+import { registerBidder } from 'src/adapters/bidderFactory';
+
+const NATIVE_DEFAULTS = {
+  TITLE_LEN: 100,
+  DESCR_LEN: 200,
+  SPONSORED_BY_LEN: 50,
+  IMG_MIN: 150,
+  ICON_MIN: 50,
+};
+
+export const spec = {
+
+  code: 'platformio',
+  supportedMediaTypes: ['banner', 'native'],
+
+  isBidRequestValid: bid => (
+    !!(bid && bid.params && bid.params.pubId && bid.params.siteId)
+  ),
+  buildRequests: bidRequests => {
+    const request = {
+      id: bidRequests[0].bidderRequestId,
+      at: 2,
+      imp: bidRequests.map(slot => impression(slot)),
+      site: site(bidRequests),
+      device: device(),
+    };
+    return {
+      method: 'POST',
+      url: '//piohbdisp.hb.adx1.com/',
+      data: JSON.stringify(request),
+    };
+  },
+  interpretResponse: (response, request) => (
+    bidResponseAvailable(request, response.body)
+  ),
+};
+
+function bidResponseAvailable(bidRequest, bidResponse) {
+  const idToImpMap = {};
+  const idToBidMap = {};
+  const ortbRequest = parse(bidRequest.data);
+  ortbRequest.imp.forEach(imp => {
+    idToImpMap[imp.id] = imp;
+  });
+  if (bidResponse) {
+    bidResponse.seatbid.forEach(seatBid => seatBid.bid.forEach(bid => {
+      idToBidMap[bid.impid] = bid;
+    }));
+  }
+  const bids = [];
+  Object.keys(idToImpMap).forEach(id => {
+    if (idToBidMap[id]) {
+      const bid = {};
+      bid.requestId = id;
+      bid.adId = id;
+      bid.creativeId = id;
+      bid.cpm = idToBidMap[id].price;
+      bid.currency = bidResponse.cur;
+      bid.ttl = 360;
+      bid.netRevenue = true;
+      if (idToImpMap[id]['native']) {
+        bid['native'] = nativeResponse(idToImpMap[id], idToBidMap[id]);
+        let nurl = idToBidMap[id].nurl;
+        nurl = nurl.replace(/\$(%7B|\{)AUCTION_IMP_ID(%7D|\})/gi, idToBidMap[id].impid);
+        nurl = nurl.replace(/\$(%7B|\{)AUCTION_PRICE(%7D|\})/gi, idToBidMap[id].price);
+        nurl = nurl.replace(/\$(%7B|\{)AUCTION_CURRENCY(%7D|\})/gi, bidResponse.cur);
+        nurl = nurl.replace(/\$(%7B|\{)AUCTION_BID_ID(%7D|\})/gi, bidResponse.bidid);
+        bid['native']['impressionTrackers'] = [nurl];
+        bid.mediaType = 'native';
+      } else {
+        bid.ad = idToBidMap[id].adm;
+        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_IMP_ID(%7D|\})/gi, idToBidMap[id].impid);
+        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_AD_ID(%7D|\})/gi, idToBidMap[id].adid);
+        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_PRICE(%7D|\})/gi, idToBidMap[id].price);
+        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_CURRENCY(%7D|\})/gi, bidResponse.cur);
+        bid.ad = bid.ad.replace(/\$(%7B|\{)AUCTION_BID_ID(%7D|\})/gi, bidResponse.bidid);
+        bid.width = idToImpMap[id].banner.w;
+        bid.height = idToImpMap[id].banner.h;
+      }
+      bids.push(bid);
+    }
+  });
+  return bids;
+}
+function impression(slot) {
+  return {
+    id: slot.bidId,
+    banner: banner(slot),
+    'native': nativeImpression(slot),
+    bidfloor: slot.params.bidFloor || '0.000001',
+    tagid: slot.params.placementId.toString(),
+  };
+}
+function banner(slot) {
+  if (!slot.nativeParams) {
+    const size = slot.params.size.toUpperCase().split('X');
+    const width = parseInt(size[0]);
+    const height = parseInt(size[1]);
+    return {
+      w: width,
+      h: height,
+    };
+  };
+}
+
+function nativeImpression(slot) {
+  if (slot.nativeParams) {
+    const assets = [];
+    addAsset(assets, titleAsset(1, slot.nativeParams.title, NATIVE_DEFAULTS.TITLE_LEN));
+    addAsset(assets, dataAsset(2, slot.nativeParams.body, 2, NATIVE_DEFAULTS.DESCR_LEN));
+    addAsset(assets, dataAsset(3, slot.nativeParams.sponsoredBy, 1, NATIVE_DEFAULTS.SPONSORED_BY_LEN));
+    addAsset(assets, imageAsset(4, slot.nativeParams.icon, 1, NATIVE_DEFAULTS.ICON_MIN, NATIVE_DEFAULTS.ICON_MIN));
+    addAsset(assets, imageAsset(5, slot.nativeParams.image, 3, NATIVE_DEFAULTS.IMG_MIN, NATIVE_DEFAULTS.IMG_MIN));
+    return {
+      request: JSON.stringify({ assets }),
+      ver: '1.1',
+    };
+  }
+  return null;
+}
+
+function addAsset(assets, asset) {
+  if (asset) {
+    assets.push(asset);
+  }
+}
+
+function titleAsset(id, params, defaultLen) {
+  if (params) {
+    return {
+      id,
+      required: params.required ? 1 : 0,
+      title: {
+        len: params.len || defaultLen,
+      },
+    };
+  }
+  return null;
+}
+
+function imageAsset(id, params, type, defaultMinWidth, defaultMinHeight) {
+  return params ? {
+    id,
+    required: params.required ? 1 : 0,
+    img: {
+      type,
+      wmin: params.wmin || defaultMinWidth,
+      hmin: params.hmin || defaultMinHeight,
+    }
+  } : null;
+}
+
+function dataAsset(id, params, type, defaultLen) {
+  return params ? {
+    id,
+    required: params.required ? 1 : 0,
+    data: {
+      type,
+      len: params.len || defaultLen,
+    }
+  } : null;
+}
+
+function site(bidderRequest) {
+  const pubId = bidderRequest && bidderRequest.length > 0 ? bidderRequest[0].params.pubId : '0';
+  const siteId = bidderRequest && bidderRequest.length > 0 ? bidderRequest[0].params.siteId : '0';
+  return {
+    publisher: {
+      id: pubId.toString(),
+      domain: getTopWindowLocation().hostname,
+    },
+    id: siteId.toString(),
+    ref: getTopWindowReferrer(),
+    page: getTopWindowLocation().href,
+  }
+}
+
+function device() {
+  return {
+    ua: navigator.userAgent,
+    language: (navigator.language || navigator.browserLanguage || navigator.userLanguage || navigator.systemLanguage),
+    w: (window.screen.width || window.innerWidth),
+    h: (window.screen.height || window.innerHeigh),
+  };
+}
+function parse(rawResponse) {
+  try {
+    if (rawResponse) {
+      return JSON.parse(rawResponse);
+    }
+  } catch (ex) {
+    logError('platformio.parse', 'ERROR', ex);
+  }
+  return null;
+}
+
+function nativeResponse(imp, bid) {
+  if (imp['native']) {
+    const nativeAd = parse(bid.adm);
+    const keys = {};
+    keys.image = {};
+    keys.icon = {};
+    if (nativeAd && nativeAd['native'] && nativeAd['native'].assets) {
+      nativeAd['native'].assets.forEach(asset => {
+        keys.title = asset.title ? asset.title.text : keys.title;
+        keys.body = asset.data && asset.id === 2 ? asset.data.value : keys.body;
+        keys.sponsoredBy = asset.data && asset.id === 3 ? asset.data.value : keys.sponsoredBy;
+        keys.icon.url = asset.img && asset.id === 4 ? asset.img.url : keys.icon.url;
+        keys.icon.width = asset.img && asset.id === 4 ? asset.img.w : keys.icon.width;
+        keys.icon.height = asset.img && asset.id === 4 ? asset.img.h : keys.icon.height;
+        keys.image.url = asset.img && asset.id === 5 ? asset.img.url : keys.image.url;
+        keys.image.width = asset.img && asset.id === 5 ? asset.img.w : keys.image.width;
+        keys.image.height = asset.img && asset.id === 5 ? asset.img.h : keys.image.height;
+      });
+      if (nativeAd['native'].link) {
+        keys.clickUrl = encodeURIComponent(nativeAd['native'].link.url);
+      }
+      return keys;
+    }
+  }
+  return null;
+}
+
+registerBidder(spec);
diff --git a/modules/platformioBidAdapter.md b/modules/platformioBidAdapter.md
index 81ac81380b0..4ef0aa755bf 100644
--- a/modules/platformioBidAdapter.md
+++ b/modules/platformioBidAdapter.md
@@ -21,7 +21,7 @@ Please use ```platformio``` as the bidder code.
               pubId: '29521', // required
               siteId: '26047', // required
               size: '250X250', // required
-              placementId: '123',
+              placementId: '123', // required
               bidFloor: '0.001'
           }
       }]
@@ -40,7 +40,7 @@ Please use ```platformio``` as the bidder code.
           params: { 
               pubId: '29521', // required
               siteId: '26047', // required
-              placementId: '123',
+              placementId: '123', // required
               bidFloor: '0.001'
           }
       }]
diff --git a/test/spec/modules/platformioBidAdapter_spec.js b/test/spec/modules/platformioBidAdapter_spec.js
index 7caca2e0d17..c69a31f1ec5 100644
--- a/test/spec/modules/platformioBidAdapter_spec.js
+++ b/test/spec/modules/platformioBidAdapter_spec.js
@@ -1,205 +1,211 @@
-import {expect} from 'chai';
-import {spec} from 'modules/platformioBidAdapter';
-import {getTopWindowLocation} from 'src/utils';
-import {newBidder} from 'src/adapters/bidderFactory';
-
-describe('Platform.io Adapter Tests', () => {
-  const slotConfigs = [{
-    placementCode: '/DfpAccount1/slot1',
-    bidId: 'bid12345',
-    params: {
-      pubId: '29521',
-      siteId: '26047',
-      placementId: '123',
-      size: '300x250',
-      bidFloor: '0.001'
-    }
-  }, {
-    placementCode: '/DfpAccount2/slot2',
-    bidId: 'bid23456',
-    params: {
-      pubId: '29521',
-      siteId: '26047',
-      placementId: '1234',
-      size: '728x90',
-      bidFloor: '0.000001'
-    }
-  }];
-  const nativeSlotConfig = [{
-    placementCode: '/DfpAccount1/slot3',
-    bidId: 'bid12345',
-    nativeParams: {
-      title: { required: true, len: 200 },
-      body: {},
-      image: { wmin: 100 },
-      sponsoredBy: { },
-      icon: { }
-    },
-    params: {
-      pubId: '29521',
-      placementId: '123',
-      siteId: '26047'
-    }
-  }];
-
-  it('Verify build request', () => {
-    const request = spec.buildRequests(slotConfigs);
-    expect(request.url).to.equal('//piohbdisp.hb.adx1.com/');
-    expect(request.method).to.equal('POST');
-    const ortbRequest = JSON.parse(request.data);
-    // site object
-    expect(ortbRequest.site).to.not.equal(null);
-    expect(ortbRequest.site.publisher).to.not.equal(null);
-    expect(ortbRequest.site.publisher.id).to.equal('29521');
-    expect(ortbRequest.site.ref).to.equal(window.top.document.referrer);
-    expect(ortbRequest.site.page).to.equal(getTopWindowLocation().href);
-    expect(ortbRequest.imp).to.have.lengthOf(2);
-    // device object
-    expect(ortbRequest.device).to.not.equal(null);
-    expect(ortbRequest.device.ua).to.equal(navigator.userAgent);
-    // slot 1
-    expect(ortbRequest.imp[0].tagid).to.equal('123');
-    expect(ortbRequest.imp[0].banner).to.not.equal(null);
-    expect(ortbRequest.imp[0].banner.w).to.equal(300);
-    expect(ortbRequest.imp[0].banner.h).to.equal(250);
-    expect(ortbRequest.imp[0].bidfloor).to.equal('0.001');
-    // slot 2
-    expect(ortbRequest.imp[1].tagid).to.equal('1234');
-    expect(ortbRequest.imp[1].banner).to.not.equal(null);
-    expect(ortbRequest.imp[1].banner.w).to.equal(728);
-    expect(ortbRequest.imp[1].banner.h).to.equal(90);
-    expect(ortbRequest.imp[1].bidfloor).to.equal('0.000001');
-  });
-
-  it('Verify parse response', () => {
-    const request = spec.buildRequests(slotConfigs);
-    const ortbRequest = JSON.parse(request.data);
-    const ortbResponse = {
-      seatbid: [{
-        bid: [{
-          impid: ortbRequest.imp[0].id,
-          price: 1.25,
-          adm: 'This is an Ad'
-        }]
-      }],
-      cur: 'USD'
-    };
-    const bids = spec.interpretResponse({ body: ortbResponse }, request);
-    expect(bids).to.have.lengthOf(1);
-    // verify first bid
-    const bid = bids[0];
-    expect(bid.cpm).to.equal(1.25);
-    expect(bid.ad).to.equal('This is an Ad');
-    expect(bid.width).to.equal(300);
-    expect(bid.height).to.equal(250);
-    expect(bid.adId).to.equal('bid12345');
-    expect(bid.creativeId).to.equal('bid12345');
-    expect(bid.netRevenue).to.equal(true);
-    expect(bid.currency).to.equal('USD');
-    expect(bid.ttl).to.equal(360);
-  });
-
-  it('Verify full passback', () => {
-    const request = spec.buildRequests(slotConfigs);
-    const bids = spec.interpretResponse({ body: null }, request)
-    expect(bids).to.have.lengthOf(0);
-  });
-
-  it('Verify Native request', () => {
-    const request = spec.buildRequests(nativeSlotConfig);
-    expect(request.url).to.equal('//piohbdisp.hb.adx1.com/');
-    expect(request.method).to.equal('POST');
-    const ortbRequest = JSON.parse(request.data);
-    // // native impression
-    expect(ortbRequest.imp[0].tagid).to.equal('123');
-    const nativePart = ortbRequest.imp[0]['native'];
-    expect(nativePart).to.not.equal(null);
-    expect(nativePart.ver).to.equal('1.1');
-    expect(nativePart.request).to.not.equal(null);
-    // native request assets
-    const nativeRequest = JSON.parse(ortbRequest.imp[0]['native'].request);
-    expect(nativeRequest).to.not.equal(null);
-    expect(nativeRequest.assets).to.have.lengthOf(5);
-    expect(nativeRequest.assets[0].id).to.equal(1);
-    expect(nativeRequest.assets[1].id).to.equal(2);
-    expect(nativeRequest.assets[2].id).to.equal(3);
-    expect(nativeRequest.assets[3].id).to.equal(4);
-    expect(nativeRequest.assets[4].id).to.equal(5);
-    expect(nativeRequest.assets[0].required).to.equal(1);
-    expect(nativeRequest.assets[0].title).to.not.equal(null);
-    expect(nativeRequest.assets[0].title.len).to.equal(200);
-    expect(nativeRequest.assets[1].title).to.be.undefined;
-    expect(nativeRequest.assets[1].data).to.not.equal(null);
-    expect(nativeRequest.assets[1].data.type).to.equal(2);
-    expect(nativeRequest.assets[1].data.len).to.equal(200);
-    expect(nativeRequest.assets[2].required).to.equal(0);
-    expect(nativeRequest.assets[3].img).to.not.equal(null);
-    expect(nativeRequest.assets[3].img.wmin).to.equal(50);
-    expect(nativeRequest.assets[3].img.hmin).to.equal(50);
-    expect(nativeRequest.assets[3].img.type).to.equal(1);
-    expect(nativeRequest.assets[4].img).to.not.equal(null);
-    expect(nativeRequest.assets[4].img.wmin).to.equal(100);
-    expect(nativeRequest.assets[4].img.hmin).to.equal(150);
-    expect(nativeRequest.assets[4].img.type).to.equal(3);
-  });
-
-  it('Verify Native response', () => {
-    const request = spec.buildRequests(nativeSlotConfig);
-    expect(request.url).to.equal('//piohbdisp.hb.adx1.com/');
-    expect(request.method).to.equal('POST');
-    const ortbRequest = JSON.parse(request.data);
-    const nativeResponse = {
-      'native': {
-        assets: [
-          { id: 1, title: { text: 'Ad Title' } },
-          { id: 2, data: { value: 'Test description' } },
-          { id: 3, data: { value: 'Brand' } },
-          { id: 4, img: { url: 'https://s3.amazonaws.com/adx1public/creatives_icon.png' } },
-          { id: 5, img: { url: 'https://s3.amazonaws.com/adx1public/creatives_image.png' } }
-        ],
-        link: { url: 'http://brand.com/' }
-      }
-    };
-    const ortbResponse = {
-      seatbid: [{
-        bid: [{
-          impid: ortbRequest.imp[0].id,
-          price: 1.25,
-          nurl: 'http://rtb.adx1.com/log',
-          adm: JSON.stringify(nativeResponse)
-        }]
-      }],
-      cur: 'USD',
-    };
-    const bids = spec.interpretResponse({ body: ortbResponse }, request);
-    // verify bid
-    const bid = bids[0];
-    expect(bid.cpm).to.equal(1.25);
-    expect(bid.adId).to.equal('bid12345');
-    expect(bid.ad).to.be.undefined;
-    expect(bid.mediaType).to.equal('native');
-    const nativeBid = bid['native'];
-    expect(nativeBid).to.not.equal(null);
-    expect(nativeBid.title).to.equal('Ad Title');
-    expect(nativeBid.sponsoredBy).to.equal('Brand');
-    expect(nativeBid.icon).to.equal('https://s3.amazonaws.com/adx1public/creatives_icon.png');
-    expect(nativeBid.image).to.equal('https://s3.amazonaws.com/adx1public/creatives_image.png');
-    expect(nativeBid.clickUrl).to.equal(encodeURIComponent('http://brand.com/'));
-    expect(nativeBid.impressionTrackers).to.have.lengthOf(1);
-    expect(nativeBid.impressionTrackers[0]).to.equal('http://rtb.adx1.com/log');
-  });
-
-  it('Verifies bidder code', () => {
-    expect(spec.code).to.equal('platformio');
-  });
-
-  it('Verifies supported media types', () => {
-    expect(spec.supportedMediaTypes).to.have.lengthOf(1);
-    expect(spec.supportedMediaTypes[0]).to.equal('native');
-  });
-
-  it('Verifies if bid request valid', () => {
-    expect(spec.isBidRequestValid(slotConfigs[0])).to.equal(true);
-    expect(spec.isBidRequestValid(slotConfigs[1])).to.equal(true);
-  });
-});
+
+import {expect} from 'chai';
+import {spec} from 'modules/platformioBidAdapter';
+import {getTopWindowLocation} from 'src/utils';
+import {newBidder} from 'src/adapters/bidderFactory';
+
+describe('Platform.io Adapter Tests', () => {
+  const slotConfigs = [{
+    placementCode: '/DfpAccount1/slot1',
+    bidId: 'bid12345',
+    params: {
+      pubId: '29521',
+      siteId: '26047',
+      placementId: '123',
+      size: '300x250',
+      bidFloor: '0.001'
+    }
+  }, {
+    placementCode: '/DfpAccount2/slot2',
+    bidId: 'bid23456',
+    params: {
+      pubId: '29521',
+      siteId: '26047',
+      placementId: '1234',
+      size: '728x90',
+      bidFloor: '0.000001'
+    }
+  }];
+  const nativeSlotConfig = [{
+    placementCode: '/DfpAccount1/slot3',
+    bidId: 'bid12345',
+    nativeParams: {
+      title: { required: true, len: 200 },
+      body: {},
+      image: { wmin: 100 },
+      sponsoredBy: { },
+      icon: { }
+    },
+    params: {
+      pubId: '29521',
+      placementId: '123',
+      siteId: '26047'
+    }
+  }];
+
+  it('Verify build request', () => {
+    const request = spec.buildRequests(slotConfigs);
+    expect(request.url).to.equal('//piohbdisp.hb.adx1.com/');
+    expect(request.method).to.equal('POST');
+    const ortbRequest = JSON.parse(request.data);
+    // site object
+    expect(ortbRequest.site).to.not.equal(null);
+    expect(ortbRequest.site.publisher).to.not.equal(null);
+    expect(ortbRequest.site.publisher.id).to.equal('29521');
+    expect(ortbRequest.site.ref).to.equal(window.top.document.referrer);
+    expect(ortbRequest.site.page).to.equal(getTopWindowLocation().href);
+    expect(ortbRequest.imp).to.have.lengthOf(2);
+    // device object
+    expect(ortbRequest.device).to.not.equal(null);
+    expect(ortbRequest.device.ua).to.equal(navigator.userAgent);
+    // slot 1
+    expect(ortbRequest.imp[0].tagid).to.equal('123');
+    expect(ortbRequest.imp[0].banner).to.not.equal(null);
+    expect(ortbRequest.imp[0].banner.w).to.equal(300);
+    expect(ortbRequest.imp[0].banner.h).to.equal(250);
+    expect(ortbRequest.imp[0].bidfloor).to.equal('0.001');
+    // slot 2
+    expect(ortbRequest.imp[1].tagid).to.equal('1234');
+    expect(ortbRequest.imp[1].banner).to.not.equal(null);
+    expect(ortbRequest.imp[1].banner.w).to.equal(728);
+    expect(ortbRequest.imp[1].banner.h).to.equal(90);
+    expect(ortbRequest.imp[1].bidfloor).to.equal('0.000001');
+  });
+
+  it('Verify parse response', () => {
+    const request = spec.buildRequests(slotConfigs);
+    const ortbRequest = JSON.parse(request.data);
+    const ortbResponse = {
+      seatbid: [{
+        bid: [{
+          impid: ortbRequest.imp[0].id,
+          price: 1.25,
+          adm: 'This is an Ad'
+        }]
+      }],
+      cur: 'USD'
+    };
+    const bids = spec.interpretResponse({ body: ortbResponse }, request);
+    expect(bids).to.have.lengthOf(1);
+    // verify first bid
+    const bid = bids[0];
+    expect(bid.cpm).to.equal(1.25);
+    expect(bid.ad).to.equal('This is an Ad');
+    expect(bid.width).to.equal(300);
+    expect(bid.height).to.equal(250);
+    expect(bid.adId).to.equal('bid12345');
+    expect(bid.creativeId).to.equal('bid12345');
+    expect(bid.netRevenue).to.equal(true);
+    expect(bid.currency).to.equal('USD');
+    expect(bid.ttl).to.equal(360);
+  });
+
+  it('Verify full passback', () => {
+    const request = spec.buildRequests(slotConfigs);
+    const bids = spec.interpretResponse({ body: null }, request)
+    expect(bids).to.have.lengthOf(0);
+  });
+
+  it('Verify Native request', () => {
+    const request = spec.buildRequests(nativeSlotConfig);
+    expect(request.url).to.equal('//piohbdisp.hb.adx1.com/');
+    expect(request.method).to.equal('POST');
+    const ortbRequest = JSON.parse(request.data);
+    // // native impression
+    expect(ortbRequest.imp[0].tagid).to.equal('123');
+    const nativePart = ortbRequest.imp[0]['native'];
+    expect(nativePart).to.not.equal(null);
+    expect(nativePart.ver).to.equal('1.1');
+    expect(nativePart.request).to.not.equal(null);
+    // native request assets
+    const nativeRequest = JSON.parse(ortbRequest.imp[0]['native'].request);
+    expect(nativeRequest).to.not.equal(null);
+    expect(nativeRequest.assets).to.have.lengthOf(5);
+    expect(nativeRequest.assets[0].id).to.equal(1);
+    expect(nativeRequest.assets[1].id).to.equal(2);
+    expect(nativeRequest.assets[2].id).to.equal(3);
+    expect(nativeRequest.assets[3].id).to.equal(4);
+    expect(nativeRequest.assets[4].id).to.equal(5);
+    expect(nativeRequest.assets[0].required).to.equal(1);
+    expect(nativeRequest.assets[0].title).to.not.equal(null);
+    expect(nativeRequest.assets[0].title.len).to.equal(200);
+    expect(nativeRequest.assets[1].title).to.be.undefined;
+    expect(nativeRequest.assets[1].data).to.not.equal(null);
+    expect(nativeRequest.assets[1].data.type).to.equal(2);
+    expect(nativeRequest.assets[1].data.len).to.equal(200);
+    expect(nativeRequest.assets[2].required).to.equal(0);
+    expect(nativeRequest.assets[3].img).to.not.equal(null);
+    expect(nativeRequest.assets[3].img.wmin).to.equal(50);
+    expect(nativeRequest.assets[3].img.hmin).to.equal(50);
+    expect(nativeRequest.assets[3].img.type).to.equal(1);
+    expect(nativeRequest.assets[4].img).to.not.equal(null);
+    expect(nativeRequest.assets[4].img.wmin).to.equal(100);
+    expect(nativeRequest.assets[4].img.hmin).to.equal(150);
+    expect(nativeRequest.assets[4].img.type).to.equal(3);
+  });
+
+  it('Verify Native response', () => {
+    const request = spec.buildRequests(nativeSlotConfig);
+    expect(request.url).to.equal('//piohbdisp.hb.adx1.com/');
+    expect(request.method).to.equal('POST');
+    const ortbRequest = JSON.parse(request.data);
+    const nativeResponse = {
+      'native': {
+        assets: [
+          { id: 1, title: { text: 'Ad Title' } },
+          { id: 2, data: { value: 'Test description' } },
+          { id: 3, data: { value: 'Brand' } },
+          { id: 4, img: { url: 'https://s3.amazonaws.com/adx1public/creatives_icon.png', w: 100, h: 100 } },
+          { id: 5, img: { url: 'https://s3.amazonaws.com/adx1public/creatives_image.png', w: 300, h: 300 } }
+        ],
+        link: { url: 'http://brand.com/' }
+      }
+    };
+    const ortbResponse = {
+      seatbid: [{
+        bid: [{
+          impid: ortbRequest.imp[0].id,
+          price: 1.25,
+          nurl: 'http://rtb.adx1.com/log',
+          adm: JSON.stringify(nativeResponse)
+        }]
+      }],
+      cur: 'USD',
+    };
+    const bids = spec.interpretResponse({ body: ortbResponse }, request);
+    // verify bid
+    const bid = bids[0];
+    expect(bid.cpm).to.equal(1.25);
+    expect(bid.adId).to.equal('bid12345');
+    expect(bid.ad).to.be.undefined;
+    expect(bid.mediaType).to.equal('native');
+    const nativeBid = bid['native'];
+    expect(nativeBid).to.not.equal(null);
+    expect(nativeBid.title).to.equal('Ad Title');
+    expect(nativeBid.sponsoredBy).to.equal('Brand');
+    expect(nativeBid.icon.url).to.equal('https://s3.amazonaws.com/adx1public/creatives_icon.png');
+    expect(nativeBid.image.url).to.equal('https://s3.amazonaws.com/adx1public/creatives_image.png');
+    expect(nativeBid.image.width).to.equal(300);
+    expect(nativeBid.image.height).to.equal(300);
+    expect(nativeBid.icon.width).to.equal(100);
+    expect(nativeBid.icon.height).to.equal(100);
+    expect(nativeBid.clickUrl).to.equal(encodeURIComponent('http://brand.com/'));
+    expect(nativeBid.impressionTrackers).to.have.lengthOf(1);
+    expect(nativeBid.impressionTrackers[0]).to.equal('http://rtb.adx1.com/log');
+  });
+
+  it('Verifies bidder code', () => {
+    expect(spec.code).to.equal('platformio');
+  });
+
+  it('Verifies supported media types', () => {
+    expect(spec.supportedMediaTypes).to.have.lengthOf(2);
+    expect(spec.supportedMediaTypes[0]).to.equal('banner');
+    expect(spec.supportedMediaTypes[1]).to.equal('native');
+  });
+
+  it('Verifies if bid request valid', () => {
+    expect(spec.isBidRequestValid(slotConfigs[0])).to.equal(true);
+    expect(spec.isBidRequestValid(slotConfigs[1])).to.equal(true);
+  });
+});