Add test to check the headers exist while instantiating a map

lib/api/middlewares/client-header.js

@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = function clientHeader () {
+    return function clientHeaderMiddleware (req, res, next) {
+        const { client } = req.query;
+
+        res.set('Carto-Client', client);
+
+        return next();
+    };
+};

test/acceptance/map-view-headers-test.js

@@ -0,0 +1,97 @@
+'use strict';
+
+require('../support/test-helper');
+
+const assert = require('../support/assert');
+const TestClient = require('../support/test-client');
+
+const defaultLayers = [{
+    type: 'cartodb',
+    options: {
+        sql: TestClient.SQL.ONE_POINT
+    }
+}];
+const defaultStatTag = 'wadus';
+
+function createMapConfig (layers = defaultLayers, statTag = defaultStatTag) {
+    return {
+        version: '1.8.0',
+        layers: layers,
+        stat_tag: defaultStatTag
+    };
+}
+
+describe('map view headers', function () {
+    it('anonymous map instantiation should respond with map-view headers', function (done) {
+        const mapConfig = createMapConfig();
+        const testClient = new TestClient(mapConfig);
+        const params = { client: 'test' };
+
+        testClient.getLayergroup(params, (err, body, res) => {
+            if (err) {
+                return done(err);
+            }
+
+            assert.strictEqual(res.headers['carto-stat-tag'], defaultStatTag);
+            assert.strictEqual(res.headers['carto-client'], params.client);
+            assert.strictEqual(res.headers['carto-user-id'], '1');
+
+            testClient.drain(done);
+        });
+    });
+
+    it('named map instantiation should respond with map-view headers', function (done) {
+        const templateid = `map-view-headers-test-${Date.now()}`;
+        const template = {
+            version: '0.0.1',
+            name: templateid,
+            layergroup: createMapConfig()
+        };
+
+        const testClient = new TestClient(template, 1234);
+        const params = { client: 'test' };
+
+        testClient.getLayergroup(params, (err, body, res) => {
+            if (err) {
+                return done(err);
+            }
+
+            assert.strictEqual(res.headers['carto-stat-tag'], defaultStatTag);
+            assert.strictEqual(res.headers['carto-client'], params.client);
+            assert.strictEqual(res.headers['carto-user-id'], '1');
+
+            testClient.drain(done);
+        });
+    });
+
+    it('preview should respond with map-view headers', function (done) {
+        const templateid = `map-view-headers-test-${Date.now()}`;
+        const template = {
+            version: '0.0.1',
+            name: templateid,
+            layergroup: createMapConfig([{
+                type: 'cartodb',
+                options: {
+                    sql: TestClient.SQL.ONE_POINT,
+                    cartocss: TestClient.CARTOCSS.POINTS,
+                    cartocss_version: '2.3.0'
+                }
+            }])
+        };
+
+        const testClient = new TestClient(template, 1234);
+        const params = { client: 'test' };
+
+        testClient.getPreview(640, 480, params, (err, res) => {
+            if (err) {
+                return done(err);
+            }
+
+            assert.strictEqual(res.headers['carto-stat-tag'], defaultStatTag);
+            assert.strictEqual(res.headers['carto-client'], params.client);
+            assert.strictEqual(res.headers['carto-user-id'], '1');
+
+            testClient.drain(done);
+        });
+    });
+});

test/support/test-client.js

@@ -1033,9 +1033,13 @@ TestClient.prototype.getLayergroup = function (params, callback) {
                 queryParams.aggregation = params.aggregation;
             }
 
+            if (params.client !== undefined) {
+                queryParams.client = params.client;
+            }
+
             const path = templateId
-                ? urlNamed + '/' + templateId + '?' + qs.stringify(queryParams)
-                : url;
+                ? `${urlNamed}/${templateId}?${qs.stringify(queryParams)}`
+                : `${url}?${qs.stringify(queryParams)}`;
 
             assert.response(self.server,
                 {
@@ -1058,12 +1062,15 @@ TestClient.prototype.getLayergroup = function (params, callback) {
                         if (res.statusCode === 200 && self.template && self.template.layergroup && self.template.layergroup.stat_tag) {
                             self.keysToDelete[`user:localhost:mapviews:stat_tag:${self.template.layergroup.stat_tag}`] = 5;
                         }
+                        if (res.statusCode === 200 && self.mapConfig && self.mapConfig.stat_tag) {
+                            self.keysToDelete[`user:localhost:mapviews:stat_tag:${self.mapConfig.stat_tag}`] = 5;
+                        }
                     }
                     if (err) {
                         return callback(err);
                     }
 
-                    return callback(null, parsedBody);
+                    return callback(null, parsedBody, res);
                 }
             );
         }