[Add BidAdapter] rxrtb adapter for Perbid.js 1.0 (prebid#1950)

* Add: rxrtb prebidAdapter

* Update: params for test

* Update: code format

* Update: code format

* Update: code format

modules/rxrtbBidAdapter.js

@@ -0,0 +1,140 @@
+import * as utils from 'src/utils';
+import {BANNER} from 'src/mediaTypes';
+import {registerBidder} from 'src/adapters/bidderFactory';
+import {config} from 'src/config';
+
+const BIDDER_CODE = 'rxrtb';
+const DEFAULT_HOST = 'bid.rxrtb.bid';
+const AUCTION_TYPE = 2;
+const RESPONSE_TTL = 900;
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [BANNER],
+  isBidRequestValid: function (bidRequest) {
+    return 'params' in bidRequest && bidRequest.params.source !== undefined && bidRequest.params.id !== undefined && Number.isInteger(bidRequest.params.id) && bidRequest.params.token !== undefined;
+  },
+  buildRequests: function (validBidRequests) {
+    var requests = [];
+    for (let i = 0; i < validBidRequests.length; i++) {
+      let prebidReq = makePrebidRequest(validBidRequests[i]);
+      if (prebidReq) {
+        requests.push(prebidReq);
+      }
+    }
+
+    return requests;
+  },
+  interpretResponse: function (serverResponse, bidRequest) {
+    let rtbResp = serverResponse.body;
+    if ((!rtbResp) || (!rtbResp.seatbid)) {
+      return [];
+    }
+    let bidResponses = [];
+    for (let i = 0; i < rtbResp.seatbid.length; i++) {
+      let seatbid = rtbResp.seatbid[i];
+      for (let j = 0; j < seatbid.bid.length; j++) {
+        let bid = seatbid.bid[j];
+        let bidResponse = {
+          requestId: bid.impid,
+          cpm: bid.price,
+          width: bid.w,
+          height: bid.h,
+          mediaType: BANNER,
+          creativeId: bid.crid,
+          currency: rtbResp.cur || 'USD',
+          netRevenue: true,
+          ttl: bid.exp || RESPONSE_TTL,
+          ad: bid.adm
+        };
+        bidResponses.push(bidResponse);
+      }
+    }
+    return bidResponses;
+  },
+  getUserSyncs: function (syncOptions, serverResponses) {
+    return [];
+  }
+}
+
+registerBidder(spec);
+
+function getDomain(url) {
+  var a = document.createElement('a');
+  a.href = url;
+
+  return a.host;
+}
+
+function makePrebidRequest(req) {
+  let host = req.params.host || DEFAULT_HOST;
+  let url = window.location.protocol + '//' + host + '/dsp?id=' + req.params.id + '&token=' + req.params.token;
+  let reqData = makeRtbRequest(req);
+  return {
+    method: 'POST',
+    url: url,
+    data: JSON.stringify(reqData)
+  };
+}
+
+function makeRtbRequest(req) {
+  let imp = [];
+  imp.push(makeImp(req));
+  return {
+    'id': req.auctionId,
+    'imp': imp,
+    'site': makeSite(req),
+    'device': makeDevice(),
+    'hb': 1,
+    'at': req.params.at || AUCTION_TYPE,
+    'cur': ['USD'],
+    'badv': req.params.badv || '',
+    'bcat': req.params.bcat || '',
+  };
+}
+
+function makeImp(req) {
+  let imp = {
+    'id': req.bidId,
+    'tagid': req.adUnitCode,
+    'banner': makeBanner(req)
+  };
+
+  if (req.params.bidfloor && Number.isInteger(req.params.bidfloor)) {
+    imp.bidfloor = req.params.bidfloor
+  }
+
+  return imp;
+}
+
+function makeBanner(req) {
+  let format = [];
+  let banner = {};
+  for (let i = 0; i < req.sizes.length; i++) {
+    format.push({
+      w: req.sizes[i][0],
+      h: req.sizes[i][1]
+    });
+  }
+  banner.format = format;
+  if (req.params.pos && Number.isInteger(req.params.pos)) {
+    banner.pos = req.params.pos;
+  }
+  return banner;
+}
+
+function makeSite(req) {
+  return {
+    'id': req.params.source,
+    'domain': getDomain(config.getConfig('publisherDomain')),
+    'page': utils.getTopWindowUrl(),
+    'ref': utils.getTopWindowReferrer()
+  };
+}
+
+function makeDevice() {
+  return {
+    'ua': window.navigator.userAgent || '',
+    'ip': 1
+  };
+}

modules/rxrtbBidAdapter.md

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+# Overview
+
+Module Name: rxrtb Bidder Adapter
+
+Module Type: Bidder Adapter
+
+Maintainer: [email protected]
+
+
+# Description
+
+Module that connects to rxrtb's demand source
+
+# Test Parameters
+```javascript
+    var adUnits = [
+        {
+            code: 'test-ad',
+            sizes: [[728, 98]],
+            bids: [
+                {
+                    bidder: 'rxrtb',
+                    params: {
+                        id: 89,
+                        token: '658f11a5efbbce2f9be3f1f146fcbc22',
+                        source: 'prebidtest'
+                    }
+                }
+            ]
+        },
+    ];
+```

test/spec/modules/rxrtbBidAdapter_spec.js

@@ -0,0 +1,120 @@
+import {expect} from 'chai';
+import {spec} from 'modules/rxrtbBidAdapter';
+
+describe('rxrtb adapater', () => {
+  describe('Test validate req', () => {
+    it('should accept minimum valid bid', () => {
+      let bid = {
+        bidder: 'rxrtb',
+        params: {
+          id: 89,
+          token: '658f11a5efbbce2f9be3f1f146fcbc22',
+          source: 'prebidtest'
+        }
+      };
+      const isValid = spec.isBidRequestValid(bid);
+
+      expect(isValid).to.equal(true);
+    });
+
+    it('should reject missing id', () => {
+      let bid = {
+        bidder: 'rxrtb',
+        params: {
+          token: '658f11a5efbbce2f9be3f1f146fcbc22',
+          source: 'prebidtest'
+        }
+      };
+      const isValid = spec.isBidRequestValid(bid);
+
+      expect(isValid).to.equal(false);
+    });
+
+    it('should reject id not Integer', () => {
+      let bid = {
+        bidder: 'rxrtb',
+        params: {
+          id: '123',
+          token: '658f11a5efbbce2f9be3f1f146fcbc22',
+          source: 'prebidtest'
+        }
+      };
+      const isValid = spec.isBidRequestValid(bid);
+
+      expect(isValid).to.equal(false);
+    });
+
+    it('should reject missing source', () => {
+      let bid = {
+        bidder: 'rxrtb',
+        params: {
+          id: 89,
+          token: '658f11a5efbbce2f9be3f1f146fcbc22'
+        }
+      };
+      const isValid = spec.isBidRequestValid(bid);
+
+      expect(isValid).to.equal(false);
+    });
+  });
+
+  describe('Test build request', () => {
+    it('minimum request', () => {
+      let bid = {
+        bidder: 'rxrtb',
+        sizes: [[728, 90]],
+        bidId: '4d0a6829338a07',
+        adUnitCode: 'div-gpt-ad-1460505748561-0',
+        auctionId: '20882439e3238c',
+        params: {
+          id: 89,
+          token: '658f11a5efbbce2f9be3f1f146fcbc22',
+          source: 'prebidtest'
+        },
+      };
+      const req = JSON.parse(spec.buildRequests([bid])[0].data);
+
+      expect(req).to.have.property('id');
+      expect(req).to.have.property('imp');
+      expect(req).to.have.property('device');
+      expect(req).to.have.property('site');
+      expect(req).to.have.property('hb');
+      expect(req.imp[0]).to.have.property('id');
+      expect(req.imp[0]).to.have.property('banner');
+      expect(req.device).to.have.property('ip');
+      expect(req.device).to.have.property('ua');
+      expect(req.site).to.have.property('id');
+      expect(req.site).to.have.property('domain');
+    });
+  });
+
+  describe('Test interpret response', () => {
+    it('General banner response', () => {
+      let resp = spec.interpretResponse({
+        body: {
+          id: 'abcd',
+          seatbid: [{
+            bid: [{
+              id: 'abcd',
+              impid: 'banner-bid',
+              price: 0.3,
+              w: 728,
+              h: 98,
+              adm: 'hello',
+              crid: 'efgh',
+              exp: 5
+            }]
+          }]
+        }
+      }, null)[0];
+
+      expect(resp).to.have.property('requestId', 'banner-bid');
+      expect(resp).to.have.property('cpm', 0.3);
+      expect(resp).to.have.property('width', 728);
+      expect(resp).to.have.property('height', 98);
+      expect(resp).to.have.property('creativeId', 'efgh');
+      expect(resp).to.have.property('ttl', 5);
+      expect(resp).to.have.property('ad', 'hello');
+    });
+  });
+});