358 lines
12 KiB
JavaScript
358 lines
12 KiB
JavaScript
require('../support/test_helper');
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const assert = require('../support/assert');
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const TestClient = require('../support/test-client');
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const serverOptions = require('../../lib/cartodb/server_options');
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const MISSING_AGGREGATION_COLUMNS = 'Missing columns in the aggregation. The map-config defines cartocss expressions,'+
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' interactivity fields or attributes that are not present in the aggregation';
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const suites = [{
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desc: 'mvt (mapnik)',
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usePostGIS: false
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}];
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if (process.env.POSTGIS_VERSION === '2.4') {
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suites.push({
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desc: 'mvt (postgis)',
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usePostGIS: true
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});
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}
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describe('aggregation', function () {
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const POINTS_SQL_1 = `
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select
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st_setsrid(st_makepoint(x*10, x*10), 4326) as the_geom,
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st_transform(st_setsrid(st_makepoint(x*10, x*10), 4326), 3857) as the_geom_webmercator,
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x as value
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from generate_series(-3, 3) x
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`;
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const POINTS_SQL_2 = `
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select
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st_setsrid(st_makepoint(x*10, x*10*(-1)), 4326) as the_geom,
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st_transform(st_setsrid(st_makepoint(x*10, x*10*(-1)), 4326), 3857) as the_geom_webmercator,
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x as value,
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x*x as sqrt_value
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from generate_series(-3, 3) x
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`;
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const POLYGONS_SQL_1 = `
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select
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st_buffer(st_setsrid(st_makepoint(x*10, x*10), 4326)::geography, 100000)::geometry as the_geom,
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st_transform(
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st_buffer(st_setsrid(st_makepoint(x*10, x*10), 4326)::geography, 100000)::geometry,
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3857
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) as the_geom_webmercator,
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x as value
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from generate_series(-3, 3) x
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`;
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function createVectorMapConfig (layers = [
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_1,
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aggregation: true
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}
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},
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_2,
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aggregation: true
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}
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}
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]) {
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return {
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version: '1.6.0',
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layers: layers
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};
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}
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suites.forEach((suite) => {
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const { desc, usePostGIS } = suite;
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describe(desc, function () {
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const originalUsePostGIS = serverOptions.renderer.mvt.usePostGIS;
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before(function () {
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serverOptions.renderer.mvt.usePostGIS = usePostGIS;
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});
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after(function (){
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serverOptions.renderer.mvt.usePostGIS = originalUsePostGIS;
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});
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afterEach(function (done) {
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this.testClient.drain(done);
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});
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it('should return a layergroup indicating the mapconfig was aggregated', function (done) {
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this.mapConfig = createVectorMapConfig([
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_1,
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aggregation: {
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threshold: 1
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}
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}
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},
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_2,
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aggregation: {
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threshold: 1
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}
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}
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}
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]);
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this.testClient = new TestClient(this.mapConfig);
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this.testClient.getLayergroup((err, body) => {
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if (err) {
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return done(err);
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}
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assert.equal(typeof body.metadata, 'object');
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assert.ok(Array.isArray(body.metadata.layers));
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body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
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body.metadata.layers.forEach(layer => assert.ok(!layer.meta.aggregation.png));
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done();
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});
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});
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it('should return a layergroup with aggregation and cartocss compatible', function (done) {
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this.mapConfig = createVectorMapConfig([
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_1,
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aggregation: {
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columns: {
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total: {
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aggregate_function: 'sum',
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aggregated_column: 'value'
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}
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},
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threshold: 1
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},
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cartocss: '#layer { marker-width: [value]; }',
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cartocss_version: '2.3.0'
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}
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}
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]);
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this.testClient = new TestClient(this.mapConfig);
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this.testClient.getLayergroup((err, body) => {
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if (err) {
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return done(err);
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}
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assert.equal(typeof body.metadata, 'object');
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assert.ok(Array.isArray(body.metadata.layers));
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body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
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body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
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done();
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});
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});
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it('should fail if cartocss uses "value" column and it\'s not defined in the aggregation',
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function (done) {
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const response = {
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status: 400,
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headers: {
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'Content-Type': 'application/json; charset=utf-8'
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}
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};
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this.mapConfig = createVectorMapConfig([
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_2,
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aggregation: true,
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cartocss: '#layer { marker-width: [value]; }',
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cartocss_version: '2.3.0'
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}
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}
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]);
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this.testClient = new TestClient(this.mapConfig);
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this.testClient.getLayergroup({ response }, (err, body) => {
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if (err) {
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return done(err);
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}
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assert.equal(body.errors[0], MISSING_AGGREGATION_COLUMNS);
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done();
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});
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});
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it('should fail if aggregation misses a column defined in interactivity',
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function (done) {
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const response = {
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status: 400,
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headers: {
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'Content-Type': 'application/json; charset=utf-8'
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}
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};
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this.mapConfig = createVectorMapConfig([
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_2,
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aggregation: {
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columns: {
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total: {
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aggregate_function: 'sum',
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aggregated_column: 'value'
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}
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}
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},
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cartocss: '#layer { marker-width: [value]; }',
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cartocss_version: '2.3.0',
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interactivity: ['sqrt_value']
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}
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}
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]);
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this.testClient = new TestClient(this.mapConfig);
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this.testClient.getLayergroup({ response }, (err, body) => {
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if (err) {
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return done(err);
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}
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assert.equal(body.errors[0], MISSING_AGGREGATION_COLUMNS);
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done();
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});
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});
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it('should skip aggregation to create a layergroup with aggregation defined already', function (done) {
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const mapConfig = createVectorMapConfig([
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_1,
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aggregation: {
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columns: {
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total: {
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aggregate_function: 'sum',
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aggregated_column: 'value'
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}
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}
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}
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}
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}
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]);
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this.testClient = new TestClient(mapConfig);
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const options = { aggregation: false };
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this.testClient.getLayergroup(options, (err, body) => {
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if (err) {
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return done(err);
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}
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assert.equal(typeof body.metadata, 'object');
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assert.ok(Array.isArray(body.metadata.layers));
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body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation === undefined));
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done();
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});
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});
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it('when the layer\'s row count is lower than threshold should skip aggregation', function (done) {
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const mapConfig = createVectorMapConfig([
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{
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type: 'cartodb',
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options: {
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sql: POINTS_SQL_1,
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aggregation: {
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columns: {
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total: {
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aggregate_function: 'sum',
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aggregated_column: 'value'
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}
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},
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threshold: 1001
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}
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}
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}
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]);
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this.testClient = new TestClient(mapConfig);
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const options = {};
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this.testClient.getLayergroup(options, (err, body) => {
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if (err) {
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return done(err);
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}
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assert.equal(typeof body.metadata, 'object');
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assert.ok(Array.isArray(body.metadata.layers));
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body.metadata.layers.forEach(layer =>{
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assert.deepEqual(layer.meta.aggregation, { png: false, mvt: false });
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});
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done();
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});
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});
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it('when the layer\'s geometry type is not point should responds with error', function (done) {
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const mapConfig = createVectorMapConfig([
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{
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type: 'cartodb',
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options: {
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sql: POLYGONS_SQL_1,
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aggregation: {
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threshold: 1
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}
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}
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}
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]);
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this.testClient = new TestClient(mapConfig);
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const options = {
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response: {
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status: 400
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}
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};
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this.testClient.getLayergroup(options, (err, body) => {
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if (err) {
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return done(err);
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}
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assert.deepEqual(body, {
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errors: [
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'Unsupported geometry type (ST_Polygon) for aggregation.' +
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' Aggregation is available only for points.'
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],
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errors_with_context:[{
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type: 'unknown',
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message: 'Unsupported geometry type (ST_Polygon) for aggregation.' +
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' Aggregation is available only for points.'
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}]
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});
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done();
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});
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});
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});
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});
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});
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