Going red: regression with aggregations and MVT Postgis backend

test/acceptance/mvt-regressions.js

@@ -0,0 +1,78 @@
+require('../support/test_helper');
+
+const assert = require('../support/assert');
+const TestClient = require('../support/test-client');
+const serverOptions = require('../../lib/cartodb/server_options');
+
+const suites = [{
+    desc: 'regressions mvt (mapnik)',
+    usePostGIS: false
+}];
+
+if (process.env.POSTGIS_VERSION === '2.4') {
+    suites.push({
+        desc: 'regressions mvt (postgis)',
+        usePostGIS: true
+    });
+}
+
+describe('aggregation', function () {
+
+    suites.forEach((suite) => {
+        const { desc, usePostGIS } = suite;
+
+        describe(desc, function () {
+            const originalUsePostGIS = serverOptions.renderer.mvt.usePostGIS;
+
+            before(function () {
+                serverOptions.renderer.mvt.usePostGIS = usePostGIS;
+            });
+
+            after(function (){
+                serverOptions.renderer.mvt.usePostGIS = originalUsePostGIS;
+            });
+
+            afterEach(function (done) {
+                this.testClient.drain(done);
+            });
+
+            it('aggregates with centroid placement', function (done) {
+                const mapConfig = {
+                    version: '1.7.0',
+                    layers: [
+                        {
+                            type: 'cartodb',
+                            options: {
+                                sql: 'select * from populated_places_simple_reduced',
+                                aggregation: {
+                                    placement: 'point-sample',
+                                    columns: {
+                                        pop_max_avg: {
+                                            aggregate_function: 'avg',
+                                            aggregated_column: 'pop_max'
+                                        }
+                                    },
+                                    threshold: 1
+                                }
+                            }
+                        }
+                    ]
+                };
+
+                this.testClient = new TestClient(mapConfig);
+                this.testClient.getLayergroup((err, body) => {
+                    if (err) {
+                        return done(err);
+                    }
+
+                    assert.equal(typeof body.metadata, 'object');
+                    assert.ok(Array.isArray(body.metadata.layers));
+
+                    body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
+
+                    done();
+                });
+            });
+        });
+    });
+});