Merge pull request #944 from CartoDB/improve-test-suite

Improve test suite

test/acceptance/analysis/named-maps.js

@@ -4,12 +4,17 @@ var helper = require('../../support/test_helper');
 
 var CartodbWindshaft = require('../../../lib/cartodb/server');
 var serverOptions = require('../../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 var TestClient = require('../../support/test-client');
 
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('named-maps analysis', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
 
     var IMAGE_TOLERANCE_PER_MIL = 20;
 

test/acceptance/auth/authorization-fallback.js

@@ -5,7 +5,6 @@ const assert = require('../../support/assert');
 const testHelper = require('../../support/test_helper');
 const CartodbWindshaft = require('../../../lib/cartodb/server');
 const serverOptions = require('../../../lib/cartodb/server_options');
-const server = new CartodbWindshaft(serverOptions);
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 function singleLayergroupConfig(sql, cartocss) {
@@ -46,6 +45,12 @@ var pointSqlPublic = "select * from test_table";
 var keysToDelete;
 
 describe('authorization fallback', function () {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     beforeEach(function () {
         keysToDelete = {};
     });
@@ -56,7 +61,7 @@ describe('authorization fallback', function () {
 
     it("succeed with master", function (done) {
         var layergroup = singleLayergroupConfig(pointSqlMaster, '#layer { marker-fill:red; }');
-    
+
         assert.response(server,
             createRequest(layergroup, 'user_previous_to_project_auth', '4444'),
             {

test/acceptance/cache/cache_headers.js

@@ -5,12 +5,17 @@ var qs = require('querystring');
 
 var CartodbWindshaft = require('../../../lib/cartodb/server');
 var serverOptions = require('../../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
-server.setMaxListeners(0);
 
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('get requests with cache headers', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+        server.setMaxListeners(0);
+    });
+
 
     var keysToDelete;
     beforeEach(function() {

test/acceptance/cache/surrogate_keys_invalidation.js

@@ -7,7 +7,7 @@ var _ = require('underscore');
 
 var NamedMapsCacheEntry = require(__dirname + '/../../../lib/cartodb/cache/model/named_maps_entry');
 var CartodbWindshaft = require(__dirname + '/../../../lib/cartodb/server');
-
+var nock = require('nock');
 
 describe('templates surrogate keys', function() {
 
@@ -30,7 +30,13 @@ describe('templates surrogate keys', function() {
         serviceId: FAKE_FASTLY_SERVICE_ID
     };
 
-    var server = new CartodbWindshaft(serverOptions);
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+        nock.disableNetConnect();
+        nock.enableNetConnect(/(127.0.0.1|cartocdn.com)/);
+    });
 
     var templateOwner = 'localhost';
     var templateName = 'acceptance';
@@ -70,9 +76,6 @@ describe('templates surrogate keys', function() {
     var invalidationMatchHeader = '\\b' + cacheEntryKey + '\\b';
     var fastlyPurgePath = '/service/' + FAKE_FASTLY_SERVICE_ID + '/purge/' + cacheEntryKey;
 
-    var nock = require('nock');
-    nock.enableNetConnect(/(127.0.0.1:5555|cartocdn.com)/);
-
     after(function(done) {
         serverOptions.varnish_purge_enabled = false;
         serverOptions.varnish_host = varnishHost;
@@ -80,7 +83,9 @@ describe('templates surrogate keys', function() {
 
         serverOptions.fastly = fastlyConfig;
 
-        nock.restore();
+        nock.cleanAll();
+        nock.enableNetConnect();
+
         done();
     });
 

test/acceptance/dynamic-styling-named-maps.js

@@ -4,9 +4,13 @@ var LayergroupToken = require('../../lib/cartodb/models/layergroup-token');
 var testHelper = require(__dirname + '/../support/test_helper');
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 
 describe('dynamic styling for named maps', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
 
     var keysToDelete;
 

test/acceptance/errors-with-context.js

@@ -1,9 +1,15 @@
 var assert = require('../support/assert');
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 
 describe('error with context', function () {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
+
     var layerOK = {
         options: {
             sql: 'select cartodb_id, ST_Translate(the_geom_webmercator, 5e6, 0) as the_geom_webmercator ' +

test/acceptance/multilayer.js

@@ -18,8 +18,6 @@ var IMAGE_EQUALS_HIGHER_TOLERANCE_PER_MIL = 25;
 
 var CartodbWindshaft = require('../../lib/cartodb/server');
 var serverOptions = require('../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
-server.setMaxListeners(0);
 
 var QueryTables = require('cartodb-query-tables');
 
@@ -27,7 +25,12 @@ var QueryTables = require('cartodb-query-tables');
 
 var suiteName = 'multilayer:postgres=layergroup_url=' + layergroup_url;
 describe(suiteName, function() {
+    var server;
 
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+        server.setMaxListeners(0);
+    });
 
     var keysToDelete;
 

test/acceptance/multilayer_server.js

@@ -10,10 +10,14 @@ var PgQueryRunner = require('../../lib/cartodb/backends/pg_query_runner');
 var QueryTables = require('cartodb-query-tables');
 var CartodbWindshaft = require('../../lib/cartodb/server');
 var serverOptions = require('../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
-server.setMaxListeners(0);
 
 describe('tests from old api translated to multilayer', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+        server.setMaxListeners(0);
+    });
 
     var layergroupUrl = '/api/v1/map';
 

test/acceptance/named_layers.js

@@ -3,7 +3,6 @@ var test_helper = require('../support/test_helper');
 var assert = require('../support/assert');
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 
 var LayergroupToken = require('../../lib/cartodb/models/layergroup-token');
 
@@ -13,6 +12,12 @@ var TemplateMaps = require('../../lib/cartodb/backends/template_maps.js');
 var step = require('step');
 
 describe('named_layers', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     // configure redis pool instance to use in tests
     var redisPool = new RedisPool(global.environment.redis);
 

test/acceptance/named_layers_visibility.js

@@ -4,7 +4,6 @@ var test_helper = require('../support/test_helper');
 var assert = require('../support/assert');
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 
 var RedisPool = require('redis-mpool');
 var TemplateMaps = require('../../lib/cartodb/backends/template_maps.js');
@@ -13,6 +12,12 @@ var mapnik = require('windshaft').mapnik;
 var IMAGE_TOLERANCE = 20;
 
 describe('layers visibility for previews', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     // configure redis pool instance to use in tests
     var redisPool = new RedisPool(global.environment.redis);
     var templateMaps = new TemplateMaps(redisPool, {

test/acceptance/named_maps_authentication.js

@@ -6,11 +6,16 @@ var assert = require('../support/assert');
 var mapnik = require('windshaft').mapnik;
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 var TemplateMaps = require('../../lib/cartodb/backends/template_maps.js');
 var NamedMapsCacheEntry = require('../../lib/cartodb/cache/model/named_maps_entry');
 
 describe('named maps authentication', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     // configure redis pool instance to use in tests
     var redisPool = new RedisPool(global.environment.redis);
 

test/acceptance/named_maps_cache.js

@@ -5,10 +5,15 @@ var assert = require('../support/assert');
 var mapnik = require('windshaft').mapnik;
 var CartodbWindshaft = require('../../lib/cartodb/server');
 var serverOptions = require('../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 var TemplateMaps = require('../../lib/cartodb/backends/template_maps.js');
 
 describe('named maps provider cache', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     // configure redis pool instance to use in tests
     var redisPool = new RedisPool(global.environment.redis);
 

test/acceptance/named_maps_stats.js

@@ -6,11 +6,16 @@ var assert = require('../support/assert');
 var mapnik = require('windshaft').mapnik;
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 var TemplateMaps = require('../../lib/cartodb/backends/template_maps.js');
 var NamedMapsCacheEntry = require('../../lib/cartodb/cache/model/named_maps_entry');
 
 describe('named maps preview stats', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     var redisPool = new RedisPool(global.environment.redis);
 
     var templateMaps = new TemplateMaps(redisPool, {

test/acceptance/overviews_metadata.js

@@ -3,7 +3,6 @@ var test_helper = require('../support/test_helper');
 var assert = require('../support/assert');
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 
 var LayergroupToken = require('../../lib/cartodb/models/layergroup-token');
 
@@ -15,6 +14,12 @@ var windshaft = require('windshaft');
 
 
 describe('overviews metadata', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     // configure redis pool instance to use in tests
     var redisPool = new RedisPool(global.environment.redis);
 
@@ -111,6 +116,12 @@ describe('overviews metadata', function() {
 });
 
 describe('overviews metadata with filters', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     // configure redis pool instance to use in tests
     var redisPool = new RedisPool(global.environment.redis);
 

test/acceptance/overviews_metadata_named_maps.js

@@ -3,7 +3,6 @@ var test_helper = require('../support/test_helper');
 var assert = require('../support/assert');
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 
 var LayergroupToken = require('../../lib/cartodb/models/layergroup-token');
 
@@ -13,8 +12,13 @@ var step = require('step');
 
 var windshaft = require('windshaft');
 
-
 describe('overviews metadata for named maps', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
+
     // configure redis pool instance to use in tests
     var redisPool = new RedisPool(global.environment.redis);
 

test/acceptance/overviews_queries.js

@@ -6,9 +6,12 @@ var ServerOptions = require('./ported/support/ported_server_options');
 var testClient = require('./ported/support/test_client');
 
 describe('overviews_queries', function() {
+    var server;
 
-    var server = cartodbServer(ServerOptions);
+    before(function () {
-    server.setMaxListeners(0);
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
     var IMAGE_EQUALS_TOLERANCE_PER_MIL = 2;
 

test/acceptance/ported/attributes.js

@@ -7,8 +7,12 @@ var PortedServerOptions = require('./support/ported_server_options');
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('attributes', function() {
-    var server = cartodbServer(PortedServerOptions);
+    var server;
-    server.setMaxListeners(0);
+
+    before(function () {
+        server = cartodbServer(PortedServerOptions);
+        server.setMaxListeners(0);
+    });
 
     var test_mapconfig_1 =  {
         version: '1.1.0',

test/acceptance/ported/external_resources.js

@@ -11,12 +11,11 @@ describe('external resources', function() {
 
     var res_serv; // resources server
     var res_serv_status = { numrequests:0 }; // status of resources server
-    var res_serv_port = 8033; // FIXME: make configurable ?
+    var res_serv_port;
 
     var IMAGE_EQUALS_TOLERANCE_PER_MIL = 25;
 
     before(function(done) {
-        nock.enableNetConnect('127.0.0.1');
         // Start a server to test external resources
         res_serv = http.createServer( function(request, response) {
             ++res_serv_status.numrequests;
@@ -32,12 +31,24 @@ describe('external resources', function() {
               response.end();
             });
         });
-        res_serv.listen(res_serv_port, done);
+
+        const host = '127.0.0.1';
+        const markersServer = res_serv.listen(0);
+
+        res_serv_port = markersServer.address().port;
+
+        nock.disableNetConnect();
+        nock.enableNetConnect(host);
+
+        markersServer.on('listening', done);
     });
 
     after(function(done) {
         testHelper.rmdirRecursiveSync(global.environment.millstone.cache_basedir);
 
+        nock.cleanAll();
+        nock.enableNetConnect();
+
         // Close the resources server
         res_serv.close(done);
     });

test/acceptance/ported/multilayer.js

@@ -10,9 +10,13 @@ var ServerOptions = require('./support/ported_server_options');
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('multilayer', function() {
+    var server;
+
+    before(function () {
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
-    var server = cartodbServer(ServerOptions);
-    server.setMaxListeners(0);
     mapnik.register_system_fonts();
     var available_system_fonts = _.keys(mapnik.fontFiles());
 

test/acceptance/ported/multilayer_error_cases.js

@@ -8,9 +8,12 @@ var testClient = require('./support/test_client');
 var TestClient = require('../../support/test-client');
 
 describe('multilayer error cases', function() {
+    var server;
 
-    var server = cartodbServer(ServerOptions);
+    before(function () {
-    server.setMaxListeners(0);
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
     // var client = null;
     afterEach(function(done) {

test/acceptance/ported/multilayer_interactivity.js

@@ -8,9 +8,12 @@ var PortedServerOptions = require('./support/ported_server_options');
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('multilayer interactivity and layers order', function() {
+    var server;
 
-    var server = cartodbServer(PortedServerOptions);
+    before(function () {
-    server.setMaxListeners(0);
+        server = cartodbServer(PortedServerOptions);
+        server.setMaxListeners(0);
+    });
 
     function layerType(layer) {
         return layer.type || 'undefined';

test/acceptance/ported/raster.js

@@ -8,8 +8,12 @@ var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('raster', function() {
 
-    var server = cartodbServer(ServerOptions);
+    var server;
-    server.setMaxListeners(0);
+
+    before(function () {
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
     function checkCORSHeaders(res) {
       assert.equal(res.headers['access-control-allow-headers'], 'X-Requested-With, X-Prototype-Version, X-CSRF-Token');

test/acceptance/ported/retina.js

@@ -11,9 +11,12 @@ describe('retina support', function() {
 
     var layergroupId = null;
 
-    var server = cartodbServer(ServerOptions);
+    var server;
-    server.setMaxListeners(0);
 
+    before(function () {
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
     var keysToDelete;
     beforeEach(function(done) {

test/acceptance/ported/server.js

@@ -6,9 +6,12 @@ var ServerOptions = require('./support/ported_server_options');
 var testClient = require('./support/test_client');
 
 describe('server', function() {
+    var server;
 
-    var server = cartodbServer(ServerOptions);
+    before(function () {
-    server.setMaxListeners(0);
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
     after(function() {
         testHelper.rmdirRecursiveSync(global.environment.millstone.cache_basedir);

test/acceptance/ported/server_gettile.js

@@ -8,9 +8,12 @@ var ServerOptions = require('./support/ported_server_options');
 var testClient = require('./support/test_client');
 
 describe('server_gettile', function() {
+    var server;
 
-    var server = cartodbServer(ServerOptions);
+    before(function () {
-    server.setMaxListeners(0);
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
     var IMAGE_EQUALS_TOLERANCE_PER_MIL = 25;
 

test/acceptance/ported/server_png8_format.js

@@ -11,17 +11,22 @@ var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 var IMAGE_EQUALS_TOLERANCE_PER_MIL = 85;
 
 describe('server_png8_format', function() {
-    var serverOptionsPng32 = ServerOptions;
+    var serverPng32;
-    serverOptionsPng32.grainstore = _.clone(ServerOptions.grainstore);
+    var serverPng8;
-    serverOptionsPng32.grainstore.mapnik_tile_format = 'png32';
-    var serverPng32 = cartodbServer(serverOptionsPng32);
-    serverPng32.setMaxListeners(0);
 
-    var serverOptionsPng8 = ServerOptions;
+    before(function () {
-    serverOptionsPng8.grainstore = _.clone(ServerOptions.grainstore);
+        var serverOptionsPng32 = ServerOptions;
-    serverOptionsPng8.grainstore.mapnik_tile_format = 'png8:m=h';
+        serverOptionsPng32.grainstore = _.clone(ServerOptions.grainstore);
-    var serverPng8 = cartodbServer(serverOptionsPng8);
+        serverOptionsPng32.grainstore.mapnik_tile_format = 'png32';
-    serverPng8.setMaxListeners(0);
+        serverPng32 = cartodbServer(serverOptionsPng32);
+        serverPng32.setMaxListeners(0);
+
+        var serverOptionsPng8 = ServerOptions;
+        serverOptionsPng8.grainstore = _.clone(ServerOptions.grainstore);
+        serverOptionsPng8.grainstore.mapnik_tile_format = 'png8:m=h';
+        serverPng8 = cartodbServer(serverOptionsPng8);
+        serverPng8.setMaxListeners(0);
+    });
 
     var layergroupId;
 

test/acceptance/ported/support/test_client.js

@@ -39,9 +39,18 @@ module.exports = {
     getTileLayer: getTileLayer
 };
 
+var server;
 
-var server = new CartodbServer(PortedServerOptions);
+function getServer () {
-server.setMaxListeners(0);
+    if (server) {
+        return server;
+    }
+
+    server = new CartodbServer(PortedServerOptions);
+    server.setMaxListeners(0);
+
+    return server;
+}
 
 var jsonContentType = 'application/json; charset=utf-8';
 var jsContentType = 'text/javascript; charset=utf-8';
@@ -349,7 +358,7 @@ function getGeneric(layergroupConfig, url, expectedResponse, callback) {
                     'Content-Type': 'application/json; charset=utf-8'
                 }
             };
-            assert.response(server, request, expectedResponse, function (res, err) {
+            assert.response(getServer(), request, expectedResponse, function (res, err) {
                 next(err, res);
             });
         },
@@ -384,7 +393,7 @@ function getGeneric(layergroupConfig, url, expectedResponse, callback) {
                 request.encoding = 'binary';
             }
 
-            assert.response(server, request, expectedResponse, function (res, err) {
+            assert.response(getServer(), request, expectedResponse, function (res, err) {
                 next(err, res);
             });
         },

test/acceptance/ported/torque.js

@@ -9,9 +9,12 @@ var ServerOptions = require('./support/ported_server_options');
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('torque', function() {
+    var server;
 
-    var server = cartodbServer(ServerOptions);
+    before(function () {
-    server.setMaxListeners(0);
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
 
     var keysToDelete;
     beforeEach(function() {

test/acceptance/ported/torque_boundaries.js

@@ -7,6 +7,13 @@ var ServerOptions = require('./support/ported_server_options');
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('torque boundary points', function() {
+    var server;
+
+    before(function () {
+        server = cartodbServer(ServerOptions);
+        server.setMaxListeners(0);
+    });
+
     var layergroupIdToDelete = null;
 
     beforeEach(function() {
@@ -22,9 +29,6 @@ describe('torque boundary points', function() {
         testHelper.deleteRedisKeys(keysToDelete, done);
     });
 
-    var server = cartodbServer(ServerOptions);
-    server.setMaxListeners(0);
-
     var boundaryPointsMapConfig =  {
         version: '1.1.0',
         layers: [

test/acceptance/server.js

@@ -6,11 +6,15 @@ var step        = require('step');
 
 var CartodbWindshaft = require('../../lib/cartodb/server');
 var serverOptions = require('../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
-server.setMaxListeners(0);
 
 
 describe('server', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+        server.setMaxListeners(0);
+    });
 
     // TODO: I guess this should be a 404 instead...
     it("get call to server returns 200", function(done){
@@ -54,6 +58,12 @@ describe('server', function() {
 });
 
 describe('server old_api', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+        server.setMaxListeners(0);
+    });
 
     // See https://github.com/CartoDB/Windshaft-cartodb/issues/115
     it.skip("get'ing tile with not-strictly-valid style", function(done) {
@@ -68,5 +78,4 @@ describe('server old_api', function() {
           done();
         });
     });
-
 });

test/acceptance/templates.js

@@ -20,13 +20,17 @@ var helper = require(__dirname + '/../support/test_helper');
 
 var CartodbWindshaft = require(__dirname + '/../../lib/cartodb/server');
 var serverOptions = require(__dirname + '/../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
-server.setMaxListeners(0);
 
 var LayergroupToken = require('../../lib/cartodb/models/layergroup-token');
 
 describe('template_api', function() {
-    server.layergroupAffectedTablesCache.cache.reset();
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+        server.setMaxListeners(0);
+        server.layergroupAffectedTablesCache.cache.reset();
+    });
 
     var httpRendererResourcesServer;
     before(function(done) {

test/acceptance/turbo-carto/named-maps.js

@@ -4,11 +4,15 @@ var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 var testHelper = require('../../support/test_helper');
 var CartodbWindshaft = require('../../../lib/cartodb/server');
 var serverOptions = require('../../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 var mapnik = require('windshaft').mapnik;
 var IMAGE_TOLERANCE_PER_MIL = 10;
 
 describe('turbo-carto for named maps', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
 
     var keysToDelete;
 

test/acceptance/widgets/named-maps.js

@@ -8,11 +8,15 @@ var helper = require('../../support/test_helper');
 
 var CartodbWindshaft = require('../../../lib/cartodb/server');
 var serverOptions = require('../../../lib/cartodb/server_options');
-var server = new CartodbWindshaft(serverOptions);
 
 var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
 
 describe('named-maps widgets', function() {
+    var server;
+
+    before(function () {
+        server = new CartodbWindshaft(serverOptions);
+    });
 
     var username = 'localhost';
     var widgetsTemplateName = 'widgets-template';

test/support/assert.js

@@ -87,30 +87,18 @@ assert.response = function(server, req, res, callback) {
         res = {};
     }
 
-    var port = 5555,
+    var port = 0, // let the OS to choose a free port
         host = '127.0.0.1';
 
-    var listeningAttempts = 0;
+    var listener = server.listen(port, host);
-    var listener;
+    listener.on('error', callback);
-    function listen() {
+    listener.on('listening', function onServerListening () {
-        if (listeningAttempts > 25) {
+        // jshint maxcomplexity:9
-            return callback(null, new Error('Tried too many ports'));
+        const { address: host, port } = listener.address();
-        }
+        const address = `${host}:${port}`;
-        listener = server.listen(port, host);
-        listener.on('error', function() {
-            port++;
-            listeningAttempts++;
-            listen();
-        });
-        listener.on('listening', onServerListening);
-    }
 
-    listen();
-
-    // jshint maxcomplexity:9
-    function onServerListening() {
         var requestParams = {
-            url: 'http://' + host + ':' + port + req.url,
+            url: 'http://' + address + req.url,
             method: req.method || 'GET',
             headers: req.headers || {},
             timeout: req.timeout || 0,
@@ -122,14 +110,17 @@ assert.response = function(server, req, res, callback) {
         }
 
         request(requestParams, function assert$response$requestHandler(error, response, body) {
-            listener.close(function() {
+            listener.close(function () {
+                if (error) {
+                    return callback(null, error);
+                }
+
                 response.body = response.body || body;
                 var err = validateResponse(response, res);
                 return callback(response, err);
             });
         });
-
+    });
-    }
 };
 
 function validateResponseBody(response, expected) {

test/support/test_helper.js

@@ -12,7 +12,6 @@ var LZMA  = require('lzma').LZMA;
 var lzmaWorker = new LZMA();
 
 var redis = require('redis');
-var nock = require('nock');
 var log4js = require('log4js');
 var pg = require('pg');
 const setICUEnvVariable = require('../../lib/cartodb/utils/icu_data_env_setter');
@@ -104,10 +103,6 @@ beforeEach(function() {
 //global afterEach to capture test suites that leave keys in redis
 afterEach(function(done) {
 
-    // restoring nock globally after each suite
-    nock.cleanAll();
-    nock.enableNetConnect();
-
     var expectedKeys = {
         'rails:test_windshaft_cartodb_user_1_db:test_table_private_1': true,
         'rails:test_windshaft_cartodb_user_1_db:my_table': true,
@@ -223,4 +218,3 @@ module.exports = {
   configureMetadata,
   cleanPGPoolConnections
 };
-