Add Logicad for Publishers bid adapter (prebid#4010)

* Add Logicad for Publishers bid adapter

* Add test code

modules/logicadBidAdapter.js

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+import {registerBidder} from '../src/adapters/bidderFactory';
+import {BANNER} from '../src/mediaTypes';
+
+const BIDDER_CODE = 'logicad';
+const ENDPOINT_URL = 'https://pb.ladsp.com/adrequest/prebid';
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [BANNER],
+  isBidRequestValid: function (bid) {
+    return !!(bid.params && bid.params.tid);
+  },
+  buildRequests: function (bidRequests, bidderRequest) {
+    const requests = [];
+    for (let i = 0, len = bidRequests.length; i < len; i++) {
+      const request = {
+        method: 'POST',
+        url: ENDPOINT_URL,
+        data: JSON.stringify(newBidRequest(bidRequests[i], bidderRequest)),
+        options: {},
+        bidderRequest
+      };
+      requests.push(request);
+    }
+    return requests;
+  },
+  interpretResponse: function (serverResponse, bidderRequest) {
+    serverResponse = serverResponse.body;
+    const bids = [];
+    if (!serverResponse || serverResponse.error) {
+      return bids;
+    }
+    serverResponse.seatbid.forEach(function (seatbid) {
+      bids.push(seatbid.bid);
+    })
+    return bids;
+  },
+  getUserSyncs: function (syncOptions, serverResponses) {
+    if (serverResponses.length > 0 && serverResponses[0].body.userSync &&
+      syncOptions.pixelEnabled && serverResponses[0].body.userSync.type == 'image') {
+      return [{
+        type: 'image',
+        url: serverResponses[0].body.userSync.url
+      }];
+    }
+    return [];
+  },
+};
+
+function newBidRequest(bid, bidderRequest) {
+  return {
+    auctionId: bid.auctionId,
+    bidderRequestId: bid.bidderRequestId,
+    bids: [{
+      adUnitCode: bid.adUnitCode,
+      bidId: bid.bidId,
+      transactionId: bid.transactionId,
+      sizes: bid.sizes,
+      params: bid.params,
+      mediaTypes: bid.mediaTypes
+    }],
+    prebidJsVersion: '$prebid.version$',
+    referrer: bidderRequest.refererInfo.referer,
+    auctionStartTime: bidderRequest.auctionStart,
+  };
+}
+
+registerBidder(spec);

modules/logicadBidAdapter.md

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+# Overview
+```
+Module Name: Logicad for Publishers
+Module Type: Bidder Adapter
+Maintainer: prebid@so-netmedia.jp
+```
+
+# Description
+Module that connects to Logicad's demand sources.
+Currently module supports only banner mediaType.
+
+# Test Parameters
+```
+    var adUnits = [{
+        code: 'test-code',
+        sizes: [[300, 250],[300, 600]],
+        bids: [{
+            bidder: 'logicad',
+            params: {
+                tid: 'test',
+                page: 'url',
+            }
+        }]
+    }];
+```

test/spec/modules/logicadBidAdapter_spec.js

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+import {expect} from 'chai';
+import {spec} from '../../../modules/logicadBidAdapter';
+import * as utils from 'src/utils';
+
+describe('LogicadAdapter', function () {
+  const bidRequests = [{
+    bidder: 'logicad',
+    bidId: '51ef8751f9aead',
+    params: {
+      tid: 'PJ2P',
+      page: 'http://www.logicad.com/'
+    },
+    adUnitCode: 'div-gpt-ad-1460505748561-0',
+    transactionId: 'd7b773de-ceaa-484d-89ca-d9f51b8d61ec',
+    sizes: [[300, 250], [300, 600]],
+    bidderRequestId: '418b37f85e772c',
+    auctionId: '18fd8b8b0bd757',
+    mediaTypes: {
+      banner: {
+        sizes: [[300, 250], [300, 600]]
+      }
+    }
+  }];
+  const bidderRequest = {
+    refererInfo: {
+      referer: 'fakeReferer',
+      reachedTop: true,
+      numIframes: 1,
+      stack: []
+    },
+    auctionStart: 1563337198010
+  };
+  const serverResponse = {
+    body: {
+      seatbid:
+        [{
+          bid: {
+            requestId: '51ef8751f9aead',
+            cpm: 101.0234,
+            width: 300,
+            height: 250,
+            creativeId: '2019',
+            currency: 'JPY',
+            netRevenue: true,
+            ttl: 60,
+            ad: '<div>TEST</div>'
+          }
+        }],
+      userSync: {
+        type: 'image',
+        url: 'https://cr-p31.ladsp.jp/cookiesender/31'
+      }
+    }
+  };
+
+  describe('isBidRequestValid', function () {
+    it('should return true if the tid parameter is present', function () {
+      expect(spec.isBidRequestValid(bidRequests[0])).to.be.true;
+    });
+
+    it('should return false if the tid parameter is not present', function () {
+      let bidRequest = utils.deepClone(bidRequests[0]);
+      delete bidRequest.params.tid;
+      expect(spec.isBidRequestValid(bidRequest)).to.be.false;
+    });
+
+    it('should return false if the params object is not present', function () {
+      let bidRequest = utils.deepClone(bidRequests);
+      delete bidRequest[0].params;
+      expect(spec.isBidRequestValid(bidRequest)).to.be.false;
+    });
+  });
+
+  describe('buildRequests', function () {
+    it('should generate a valid single POST request for multiple bid requests', function () {
+      const request = spec.buildRequests(bidRequests, bidderRequest)[0];
+      expect(request.method).to.equal('POST');
+      expect(request.url).to.equal('https://pb.ladsp.com/adrequest/prebid');
+      expect(request.data).to.exist;
+    });
+  });
+
+  describe('interpretResponse', function () {
+    it('should return an empty array if an invalid response is passed', function () {
+      const interpretedResponse = spec.interpretResponse({}, {});
+      expect(interpretedResponse).to.be.an('array').that.is.empty;
+    });
+
+    it('should return valid response when passed valid server response', function () {
+      const request = spec.buildRequests(bidRequests, bidderRequest)[0];
+      const interpretedResponse = spec.interpretResponse(serverResponse, request);
+
+      expect(interpretedResponse).to.have.lengthOf(1);
+
+      expect(interpretedResponse[0].requestId).to.equal(serverResponse.body.seatbid[0].bid.requestId);
+      expect(interpretedResponse[0].cpm).to.equal(serverResponse.body.seatbid[0].bid.cpm);
+      expect(interpretedResponse[0].width).to.equal(serverResponse.body.seatbid[0].bid.width);
+      expect(interpretedResponse[0].height).to.equal(serverResponse.body.seatbid[0].bid.height);
+      expect(interpretedResponse[0].creativeId).to.equal(serverResponse.body.seatbid[0].bid.creativeId);
+      expect(interpretedResponse[0].currency).to.equal(serverResponse.body.seatbid[0].bid.currency);
+      expect(interpretedResponse[0].netRevenue).to.equal(serverResponse.body.seatbid[0].bid.netRevenue);
+      expect(interpretedResponse[0].ad).to.equal(serverResponse.body.seatbid[0].bid.ad);
+      expect(interpretedResponse[0].ttl).to.equal(serverResponse.body.seatbid[0].bid.ttl);
+    });
+  });
+
+  describe('getUserSyncs', function () {
+    it('should perform usersync', function () {
+      let syncs = spec.getUserSyncs({pixelEnabled: false}, [serverResponse]);
+      expect(syncs).to.have.length(0);
+      console.log(serverResponse);
+      syncs = spec.getUserSyncs({pixelEnabled: true}, [serverResponse]);
+      expect(syncs).to.have.length(1);
+
+      expect(syncs[0]).to.have.property('type', 'image');
+      expect(syncs[0]).to.have.property('url', 'https://cr-p31.ladsp.jp/cookiesender/31');
+    });
+  });
+});