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Windshaft-cartodb/test/acceptance/aggregation-test.js

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JavaScript
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'use strict';
require('../support/test-helper');
const assert = require('../support/assert');
const TestClient = require('../support/test-client');
const serverOptions = require('../../lib/server-options');
const WebMercatorHelper = require('cartodb-query-tables').utils.webMercatorHelper;
const webmercator = new WebMercatorHelper();
const suites = [
{
desc: 'mvt (mapnik)',
usePostGIS: false
},
{
desc: 'mvt (postgis)',
usePostGIS: true
}
];
// Generate points with values and times.
// The point location is spanned over a given length, by default it is 0 so
// all points have the same location, which can be used to test aggregation dimensions
// the default point is in tile
function pointsWithTimeSQL (n, startTime, endTime, span = 0, x0 = 0.1, y0 = 0.1) {
return `
WITH params AS (
SELECT
'${startTime}'::timestamp with time zone AS min_t,
'${endTime}'::timestamp with time zone AS max_t,
${x0} AS x0, ${y0} AS y0,
${span} AS length,
${n} AS n
),
positions AS (
SELECT
step::float8/n AS s,
x0 + (step::float8/n - 0.5)*length AS x, y0 AS y
FROM params, generate_series(1, n) AS step
)
SELECT
row_number() over () AS cartodb_id,
n*10 AS value,
min_t + (max_t - min_t)*s AS date,
ST_SetSRID(ST_MakePoint(x, y), 4326) AS the_geom,
ST_Transform(ST_SetSRID(ST_MakePoint(x, y), 4326), 3857) AS the_geom_webmercator
FROM params, positions
`;
}
describe('aggregation', function () {
const POINTS_SQL_1 = `
select
x + 4 as cartodb_id,
st_setsrid(st_makepoint(x*10, x*10), 4326) as the_geom,
st_transform(st_setsrid(st_makepoint(x*10, x*10), 4326), 3857) as the_geom_webmercator,
x as value
from generate_series(-3, 3) x
`;
const POINTS_SQL_0 = `
select
x + 4 as cartodb_id,
st_setsrid(st_makepoint(x*10+1, x*10+1), 4326) as the_geom,
st_transform(st_setsrid(st_makepoint(x*10+1, x*10+1), 4326), 3857) as the_geom_webmercator,
x as value
from generate_series(-3, 3) x
`;
const POINTS_SQL_TIMESTAMP_1 = `
select
row_number() over() AS cartodb_id,
st_setsrid(st_makepoint(x*10, x*10), 4326) as the_geom,
st_transform(st_setsrid(st_makepoint(x*10, x*10), 4326), 3857) as the_geom_webmercator,
x as value,
date
from
generate_series(-3, 3) x,
generate_series(
'2007-02-15 01:00:00'::timestamp, '2007-02-18 01:00:00'::timestamp, '1 day'::interval
) date
`;
const POINTS_SQL_2 = `
select
x + 4 as cartodb_id,
st_setsrid(st_makepoint(x*10, x*10*(-1)), 4326) as the_geom,
st_transform(st_setsrid(st_makepoint(x*10, x*10*(-1)), 4326), 3857) as the_geom_webmercator,
x as value,
x*x as sqrt_value
from generate_series(-3, 3) x
`;
const POINTS_OVER_THRESHOLD = 'SELECT * FROM test_table_200k';
const POLYGONS_SQL_1 = `
select
x + 4 as cartodb_id,
st_buffer(st_setsrid(st_makepoint(x*10, x*10), 4326), 10) as the_geom,
st_transform(
st_buffer(st_setsrid(st_makepoint(x*10, x*10), 4326), 10),
3857
) as the_geom_webmercator,
x as value
from generate_series(-3, 3) x
`;
const SQL_WRAP = `
WITH hgrid AS (
SELECT
CDB_RectangleGrid (
ST_Expand(!bbox!, ${webmercator.getResolution({ z: 1 })} * 12),
${webmercator.getResolution({ z: 1 })} * 12,
${webmercator.getResolution({ z: 1 })} * 12
) as cell
)
SELECT
hgrid.cell as the_geom_webmercator,
count(1) as agg_value,
count(1) /power( 12 * ${webmercator.getResolution({ z: 1 })}, 2 ) as agg_value_density,
row_number() over () as cartodb_id
FROM hgrid, (<%= sql %>) i
WHERE ST_Intersects(i.the_geom_webmercator, hgrid.cell) GROUP BY hgrid.cell
`;
const TURBO_CARTOCSS_SQL_WRAP = `
#layer {
polygon-fill: ramp([agg_value], (#245668, #04817E, #39AB7E, #8BD16D, #EDEF5D), quantiles);
}
#layer::outline {
line-width: 1;
line-color: #FFFFFF;
line-opacity: 1;
}
`;
const POINTS_SQL_ONLY_WEBMERCATOR = `
select
x + 4 as cartodb_id,
st_transform(st_setsrid(st_makepoint(x*10, x*10), 4326), 3857) as the_geom_webmercator,
x as value
from generate_series(-3, 3) x
`;
const POINTS_SQL_PAIRS = `
-- Generate pairs of near points
select
x + 1 as cartodb_id,
st_setsrid(
st_makepoint(
Floor((x-6)/2)*10 + 9E-3*(x % 2 + 1),
Floor((x-6)/2)*10 + 9E-3*(x % 2 + 1)
),
4326
) as the_geom,
st_transform(
st_setsrid(
st_makepoint(
Floor((x-6)/2)*10 + 9E-3*(x % 2 + 1),
Floor((x-6)/2)*10 + 9E-3*(x % 2 + 1)
),
4326
),
3857
) as the_geom_webmercator,
x as value
from generate_series(0, 13) x
`;
// Some points at corners and centers of aggregation grids (zoom=1, resolution=1)
// @ = point location
// --+---+---+---+---+---+---+--
// | | | | | | |
// --+---+---@---@---@---+---+--
// | | | @ | @ | | |
// --+---+---@---@---@---+---+--- Y = 0
// | | | @ | @ | | |
// --+---+---@---@---@---+---+--
// | | | | | | |
// --+---+---+---+---+---+---+--
// |
// X = 0
// Point identifiers (cartodb_id)
// --+---+---+---+---+---+---+--
// | | | | | | |
// --+---+---7---8---9---+---+--
// | | |12 |13 | | |
// --+---+---4---5---6---+---+---
// | | |10 |11 | | |
// --+---+---1---2---3---+---+--
// | | | | | | |
// --+---+---+---+---+---+---+--
// Point count per aggregation cell and Z=1 tiles
//
// Tile 0,0 -+---+---+---+- Tile 1,0
// | | | 1 | 1 | 1 | |
// --+---+---@---@---@---+---+--
// | | | 2 | 2 | 1 | |
// --+---+---@---@---@---+---+---
// | | | 2 | 2 | 1 | |
// --+---+---@---@---@---+---+--
// | | | | | | |
// Tile 0, 1 -+---+---+---+- Tile 1,1
//
const POINTS_SQL_GRID = (z, resolution) => `
WITH params AS (
SELECT ${webmercator.getResolution({ z: z })}*${resolution} AS l -- cell size for Z, resolution
)
SELECT
row_number() OVER () AS cartodb_id,
ST_SetSRID(ST_MakePoint(x*l, y*l), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(x*l, y*l), 3857), 4326) AS the_geom
FROM params, generate_series(-1,1) x, generate_series(-1,1) y
UNION ALL
SELECT
row_number() OVER () + 9 AS cartodb_id,
ST_SetSRID(ST_MakePoint(x*l-l/2, y*l-l/2), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(x*l-l/2, y*l-l/2), 3857), 4326) AS the_geom
FROM params, generate_series(0,1) x, generate_series(0,1) y
`;
// Points positioned inside one cell of Z=20, X=1000000, X=1000000 (the SW corner)
// The center of the cell is x = 18181005.874444414, y = -18181043.94366749
const POINTS_SQL_CELL = `
SELECT
1 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181005.82, -18181043.9), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181005.82, -18181043.9), 3857), 4326) AS the_geom
UNION ALL SELECT
2 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181005.9, -18181044.0), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181005.9, -18181044.0), 3857), 4326) AS the_geom
UNION ALL SELECT
3 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181005.87, -18181043.94), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181005.87, -18181043.94), 3857), 4326) AS the_geom
UNION ALL SELECT
4 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181005.82, -18181043.9), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181005.82, -18181043.9), 3857), 4326) AS the_geom
`;
// Points positioned inside one cell of Z=20, X=1000000, X=1000000 (inner cell not on border)
// The center of the cell is x = 18181006.023735486, y = -18181043.794376418
const POINTS_SQL_CELL_INNER = `
SELECT
1 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181005.95, -18181043.8), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181005.95, -18181043.8), 3857), 4326) AS the_geom
UNION ALL SELECT
2 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181006.09, -18181043.74), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181006.09, -18181043.74), 3857), 4326) AS the_geom
UNION ALL SELECT
3 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181006.02, -18181043.79), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181006.02, -18181043.79), 3857), 4326) AS the_geom
UNION ALL SELECT
4 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181006.01, -18181043.75), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181006.01, -18181043.75), 3857), 4326) AS the_geom
`;
function createVectorMapConfig (layers = [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: true
}
},
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: true
}
}
]) {
return {
version: '1.6.0',
layers: layers
};
}
suites.forEach((suite) => {
const { desc, usePostGIS } = suite;
describe(desc, function () {
const originalUsePostGIS = serverOptions.renderer.mvt.usePostGIS;
before(function () {
serverOptions.renderer.mvt.usePostGIS = usePostGIS;
this.layerStatsConfig = global.environment.enabledFeatures.layerStats;
});
after(function () {
serverOptions.renderer.mvt.usePostGIS = originalUsePostGIS;
});
afterEach(function (done) {
this.testClient.drain(done);
global.environment.enabledFeatures.layerStats = this.layerStatsConfig;
});
it('should return a layergroup indicating the mapconfig was aggregated', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
}
}
},
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(!layer.meta.aggregation.png));
done();
});
});
it('should return a NOT aggregated layergroup', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
cartocss: '#layer { marker-width: [value]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.strictEqual(layer.meta.aggregation, undefined));
done();
});
});
it('should return a layergroup with aggregation and cartocss compatible', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
threshold: 1
},
cartocss: '#layer { marker-width: [total]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
it('should fail when aggregation and cartocss are not compatible', function (done) {
const response = {
status: 400,
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
};
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
threshold: 1
},
cartocss: '#layer { marker-width: [value]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup({ response }, (err, body) => {
if (err) {
return done(err);
}
assert.ok(body.errors[0].match(/column "value" does not exist/));
done();
});
});
it('should fail if cartocss uses "value" column and it\'s not defined in the aggregation',
function (done) {
const response = {
status: 400,
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
};
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
threshold: 1,
placement: 'centroid'
},
cartocss: '#layer { marker-width: [value]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup({ response }, (err, body) => {
if (err) {
return done(err);
}
assert.ok(body.errors[0].match(/column "value" does not exist/));
done();
});
});
it('should provide all columns in the default aggregation ',
function (done) {
const response = {
status: 200,
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
};
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
threshold: 1
},
cartocss: '#layer { marker-width: [value]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup({ response }, (err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
['centroid', 'point-sample', 'point-grid'].forEach(placement => {
it('should provide all the requested columns in non-default aggregation: ' + placement,
function (done) {
const response = {
status: 200,
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
};
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
placement: placement,
columns: {
first_column: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
dimensions: {
second_column: 'sqrt_value'
},
threshold: 1
},
cartocss: '#layer { marker-width: [first_column]; line-width: [second_column]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup({ response }, (err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
it('should provide only the requested columns in non-default aggregation: ' + placement,
function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
placement: placement,
columns: {
first_column: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
dimensions: {
second_column: 'sqrt_value'
},
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(0, 0, 0, { format: 'mvt' }, function (err, res, mvt) {
if (err) {
return done(err);
}
const geojsonTile = JSON.parse(mvt.toGeoJSONSync(0));
let columns = new Set();
geojsonTile.features.forEach(f => {
Object.keys(f.properties).forEach(p => columns.add(p));
});
columns = Array.from(columns);
const expected_columns = [
'_cdb_feature_count', 'cartodb_id', 'first_column', 'second_column'
];
assert.deepStrictEqual(columns.sort(), expected_columns.sort());
done();
});
});
});
it('should skip aggregation to create a layergroup with aggregation defined already', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
threshold: 1
}
}
}
]);
this.testClient = new TestClient(mapConfig);
const options = { aggregation: false };
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.strictEqual(layer.meta.aggregation, undefined));
done();
});
});
it('skip default aggregation by setting `aggregation: false` for just one layer', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
}
}
},
{
type: 'cartodb',
options: {
// Note that we need the table to have more than AggregationMapConfig.THRESHOLD rows
// otherwise it won't get aggregated in any case
sql: POINTS_OVER_THRESHOLD,
aggregation: false
}
}
]);
this.testClient = new TestClient(mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.strictEqual(body.metadata.layers[0].meta.aggregation.mvt, true);
assert.strictEqual(body.metadata.layers[1].meta.aggregation.mvt, false);
done();
});
});
it('use default aggregation by setting `aggregation: true`', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_OVER_THRESHOLD,
cartocss: '#layer { marker-width: 7; }',
cartocss_version: '2.3.0',
aggregation: true
}
}
]);
this.testClient = new TestClient(mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.strictEqual(body.metadata.layers[0].meta.aggregation.mvt, true);
assert.strictEqual(body.metadata.layers[0].meta.aggregation.png, true);
done();
});
});
it('but do not aggregate below threshold by setting `aggregation: true`', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
cartocss: '#layer { marker-width: 7; }',
cartocss_version: '2.3.0',
aggregation: true
}
}
]);
this.testClient = new TestClient(mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.strictEqual(body.metadata.layers[0].meta.aggregation.mvt, false);
assert.strictEqual(body.metadata.layers[0].meta.aggregation.png, false);
done();
});
});
it('when the aggregation param is not valid should respond with error', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(mapConfig);
const options = {
response: {
status: 400
},
aggregation: 'wadus'
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: [
"Invalid value for 'aggregation' query param: wadus." +
" Valid ones are 'true' or 'false'"
],
errors_with_context: [{
type: 'unknown',
message: "Invalid value for 'aggregation' query param: wadus." +
" Valid ones are 'true' or 'false'"
}]
});
done();
});
});
it('when the layer\'s row count is lower than threshold should skip aggregation', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
threshold: 1001
}
}
}
]);
this.testClient = new TestClient(mapConfig);
const options = {};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => {
assert.deepStrictEqual(layer.meta.aggregation, { png: false, mvt: false });
});
done();
});
});
it('when the layer\'s geometry type is not point should respond with error', function (done) {
const mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POLYGONS_SQL_1,
cartocss: '#layer { marker-width: [value]; }',
cartocss_version: '2.3.0',
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: [
'Unsupported geometry type: ST_Polygon.' +
' Aggregation is available only for geometry type: ST_Point'
],
errors_with_context: [{
type: 'layer',
message: 'Unsupported geometry type: ST_Polygon.' +
' Aggregation is available only for geometry type: ST_Point',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('when sql_wrap is provided should return a layergroup', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql_wrap: SQL_WRAP,
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
},
cartocss: TURBO_CARTOCSS_SQL_WRAP,
cartocss_version: '3.0.12'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
it('when sql_wrap is provided should return a tile', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql_wrap: SQL_WRAP,
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
},
cartocss: TURBO_CARTOCSS_SQL_WRAP,
cartocss_version: '3.0.12'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(0, 0, 0, {}, (err) => {
if (err) {
return done(err);
}
done();
});
});
it('when dimensions is provided should return a tile returning the column used as dimensions',
function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
dimensions: {
value: 'value'
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(feature => assert.strictEqual(typeof feature.properties.value, 'number'));
done();
});
});
it('time dimensions', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_TIMESTAMP_1,
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
dow: {
column: 'date',
group: {
units: 'dayOfWeek'
}
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(feature => assert.strictEqual(typeof feature.properties.dow, 'number'));
done();
});
});
it('aggregation dimensions only used if present', function (done) {
const nPoints = 50;
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(nPoints, '2000-01-01T00:00:00+00', '2019-12-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
// Everything's aggregated into a single feature because the only
// dimension is space and all points are in the same place.
assert.deepStrictEqual(tileJSON[0].features.map(f => f.properties._cdb_feature_count), [nPoints]);
done();
});
});
it('aggregation dimension year used', function (done) {
const nPoints = 50;
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(nPoints, '2000-01-01T00:00:00+00', '2019-12-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
year: {
column: 'date',
group: {
units: 'year'
}
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
// Now all features have same location, but the year is an additional dimension
// with 20 different values, so we'll have an aggregated feature for each.
const expectedYears = Array.from({ length: 20 }, (_, k) => 2000 + k); // 2000 to 2019
const resultYears = tileJSON[0].features.map(f => f.properties.year).sort((a, b) => a - b);
assert.deepStrictEqual(resultYears, expectedYears);
done();
});
});
it('aggregation dimension month with count', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(50, '2018-01-01T00:00:00+00', '2018-12-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
month: {
column: 'date',
group: {
units: 'month',
count: 5,
starting: '2018-01'
}
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
assert.strictEqual(tileJSON[0].features.length, 3);
const resultQuimesters = tileJSON[0].features.map(f => f.properties.month).sort((a, b) => a - b);
assert.deepStrictEqual(resultQuimesters, [1, 2, 3]);
done();
});
});
it('aggregation dimension month with starting', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(50, '2018-01-01T00:00:00+00', '2018-12-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
month: {
column: 'date',
group: {
units: 'month',
starting: '2017-01'
}
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
const resultMonths = tileJSON[0].features.map(f => f.properties.month).sort((a, b) => a - b);
assert.deepStrictEqual(resultMonths, [13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24]);
done();
});
});
it('aggregation dimension month by default UTC', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(50, '2018-01-01T00:00:00+00', '2018-01-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
dow: {
column: 'date',
group: {
units: 'month',
timezone: '+00'
}
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
// In UTC all times are in the same month 2018-01
assert.strictEqual(tileJSON[0].features.length, 1);
done();
});
});
it('aggregation dimension month with timezone', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(50, '2018-01-01T00:00:00+00', '2018-01-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
dow: {
column: 'date',
group: {
units: 'month',
timezone: '+7200'
}
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
// In UTC+2 some times are in a different month
assert.strictEqual(tileJSON[0].features.length, 2);
done();
});
});
it('time dimensions stats', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_TIMESTAMP_1,
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
dow: {
column: 'date',
group: {
units: 'dayOfWeek'
}
}
}
},
metadata: {
dimensions: true
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup(function (err, layergroup) {
assert.ifError(err);
const expectedDimensions = {
dow:
{
params:
{
time: 'to_timestamp("date")',
timezone: 'utc',
units: 'dayOfWeek',
count: 1
},
min: 4,
max: 7,
type: 'number'
}
};
assert.deepStrictEqual(layergroup.metadata.layers[0].meta.stats.dimensions, expectedDimensions);
done();
});
});
it('no time dimensions stats by default', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_TIMESTAMP_1,
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
dow: {
column: 'date',
group: {
units: 'dayOfWeek'
}
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup(function (err, layergroup) {
assert.ifError(err);
assert(!layergroup.metadata.layers[0].meta.stats.dimensions);
done();
});
});
it('aggregation dimension month iso format', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(50, '2018-01-01T00:00:00+00', '2018-12-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
month: {
column: 'date',
group: {
units: 'month'
},
format: 'iso'
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
const resultMonths = tileJSON[0].features.map(f => f.properties.month).sort();
assert.deepStrictEqual(resultMonths, [
'2018-01', '2018-02', '2018-03', '2018-04', '2018-05', '2018-06',
'2018-07', '2018-08', '2018-09', '2018-10', '2018-11', '2018-12'
]);
done();
});
});
it('aggregation dimension month iso format with timezone', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: pointsWithTimeSQL(50, '2018-01-01T00:00:00+00', '2018-12-31T23:59:59+00', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
month: {
column: 'date',
group: {
units: 'month',
timezone: '+7200'
},
format: 'iso'
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
const resultMonths = tileJSON[0].features.map(f => f.properties.month).sort();
assert.deepStrictEqual(resultMonths, [
'2018-01', '2018-02', '2018-03', '2018-04', '2018-05', '2018-06',
'2018-07', '2018-08', '2018-09', '2018-10', '2018-11', '2018-12',
'2019-01'
]);
done();
});
});
it('aggregation dimension hour iso format with timezone', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
// take four points per hour over two days
sql: pointsWithTimeSQL(96, '2018-01-01T00:00:00+02', '2018-01-01T23:59:59+02', 0),
dates_as_numbers: true,
aggregation: {
threshold: 1,
dimensions: {
hour: {
column: 'date',
group: {
units: 'hour',
timezone: '+7200'
},
format: 'iso'
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
const resultHours = tileJSON[0].features.map(f => f.properties.hour).sort();
assert.deepStrictEqual(resultHours, [
'2018-01-01T00',
'2018-01-01T01',
'2018-01-01T02',
'2018-01-01T03',
'2018-01-01T04',
'2018-01-01T05',
'2018-01-01T06',
'2018-01-01T07',
'2018-01-01T08',
'2018-01-01T09',
'2018-01-01T10',
'2018-01-01T11',
'2018-01-01T12',
'2018-01-01T13',
'2018-01-01T14',
'2018-01-01T15',
'2018-01-01T16',
'2018-01-01T17',
'2018-01-01T18',
'2018-01-01T19',
'2018-01-01T20',
'2018-01-01T21',
'2018-01-01T22',
'2018-01-01T23'
]);
tileJSON[0].features.forEach(f => assert.strictEqual(f.properties._cdb_feature_count, 4));
done();
});
});
['centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`dimensions should work for ${placement} placement`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: placement,
threshold: 1,
dimensions: {
value: 'value'
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(
feature => assert.strictEqual(typeof feature.properties.value, 'number')
);
done();
});
});
});
['centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`dimensions with alias should work for ${placement} placement`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: placement,
threshold: 1,
dimensions: {
value2: 'value'
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(
feature => assert.strictEqual(typeof feature.properties.value2, 'number')
);
done();
});
});
});
it('dimensions should trigger non-default aggregation', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
threshold: 1,
dimensions: {
value: 'value'
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(
feature => assert.strictEqual(typeof feature.properties.value, 'number')
);
tileJSON[0].features.forEach(
feature => assert.strictEqual(typeof feature.properties.sqrt_value, 'undefined')
);
done();
});
});
it('aggregation columns should trigger non-default aggregation', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(
feature => assert.strictEqual(typeof feature.properties.value, 'number')
);
tileJSON[0].features.forEach(
feature => assert.strictEqual(typeof feature.properties.sqrt_value, 'undefined')
);
done();
});
});
['centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`aggregations with base column names should work for ${placement} placement`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: placement,
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(
feature => assert.strictEqual(typeof feature.properties.value, 'number')
);
done();
});
});
});
it('should work when the sql has single quotes', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: `
SELECT
cartodb_id,
the_geom_webmercator,
the_geom,
value,
DATE_PART('day', date::timestamp - '1912-12-31 01:00:00'::timestamp )::numeric AS day
FROM (${POINTS_SQL_TIMESTAMP_1}) _query
`,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(!layer.meta.aggregation.png));
done();
});
});
it('aggregates with point-grid placement', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: 'point-grid',
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
},
v_avg: {
aggregate_function: 'avg',
aggregated_column: 'value'
}
},
threshold: 1
},
cartocss: '#layer { marker-width: [total]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
it('aggregates with point-sample placement', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: 'point-sample',
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
},
v_avg: {
aggregate_function: 'avg',
aggregated_column: 'value'
}
},
threshold: 1
},
cartocss: '#layer { marker-width: [total]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
it('aggregates with centroid placement', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: 'centroid',
columns: {
total: {
aggregate_function: 'sum',
aggregated_column: 'value'
},
v_avg: {
aggregate_function: 'avg',
aggregated_column: 'value'
}
},
threshold: 1
},
cartocss: '#layer { marker-width: [total]; }',
cartocss_version: '2.3.0'
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
it('aggregates with full-sample placement by default', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(0, 0, 0, { format: 'mvt' }, function (err, res, mvt) {
if (err) {
return done(err);
}
const geojsonTile = JSON.parse(mvt.toGeoJSONSync(0));
assert.ok(Array.isArray(geojsonTile.features));
assert.ok(geojsonTile.features.length > 0);
const feature = geojsonTile.features[0];
assert.ok(Object.prototype.hasOwnProperty.call(feature.properties, 'value'), 'Missing value property');
done();
});
});
it('should fail with bad resolution', function (done) {
this.mapConfig = createVectorMapConfig([
{
id: 'wadus',
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
resolution: 'wadus'
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Invalid resolution, should be a number greather than 0'],
errors_with_context: [{
type: 'layer',
message: 'Invalid resolution, should be a number greather than 0',
layer: {
id: 'wadus',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('should fail with bad placement', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: 'wadus'
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Invalid placement. Valid values: centroid, point-grid, point-sample'],
errors_with_context: [{
type: 'layer',
message: 'Invalid placement. Valid values: centroid, point-grid, point-sample',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('should fail with bad threshold', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 'wadus'
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Invalid threshold, should be a number greather than 0'],
errors_with_context: [{
type: 'layer',
message: 'Invalid threshold, should be a number greather than 0',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('should fail with bad column name', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
columns: {
'': {
aggregate_function: 'count',
aggregated_column: 'value'
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Invalid column name, should be a non empty string'],
errors_with_context: [{
type: 'layer',
message: 'Invalid column name, should be a non empty string',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('should fail with bad aggregated function', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
columns: {
wadus_function: {
aggregate_function: 'wadus',
aggregated_column: 'value'
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Unsupported aggregation function wadus, ' +
'valid ones: count, avg, sum, min, max, mode'],
errors_with_context: [{
type: 'layer',
message: 'Unsupported aggregation function wadus, ' +
'valid ones: count, avg, sum, min, max, mode',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('should fail with bad aggregated columns', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
columns: {
total_wadus: {
aggregate_function: 'sum',
aggregated_column: ''
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Invalid aggregated column, should be a non empty string'],
errors_with_context: [{
type: 'layer',
message: 'Invalid aggregated column, should be a non empty string',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('should skip aggregation w/o failing when is Vector Only MapConfig and layer has polygons',
function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POLYGONS_SQL_1
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(!layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(!layer.meta.aggregation.png));
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
assert.strictEqual(tileJSON[0].features.length, 7);
done();
});
});
});
it('should skip aggregation for polygons (w/o failing) and aggregate when the layer has points',
function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POLYGONS_SQL_1
}
},
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.strictEqual(body.metadata.layers[0].meta.aggregation.mvt, false);
assert.strictEqual(body.metadata.layers[1].meta.aggregation.mvt, true);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
assert.strictEqual(tileJSON[0].features.length, 7);
done();
});
});
});
['centroid', 'point-sample', 'point-grid', 'default'].forEach(placement => {
it(`cartodb_id should be present in ${placement} aggregation`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
placement: placement !== 'default' ? placement : undefined
},
cartocss: '#layer { marker-width: 1; }',
cartocss_version: '2.3.0',
interactivity: ['cartodb_id']
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
it(`should only require the_geom_webmercator for ${placement} aggregation`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_ONLY_WEBMERCATOR,
aggregation: {
threshold: 1,
placement: placement !== 'default' ? placement : undefined
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(!layer.meta.aggregation.png));
done();
});
});
it(`${placement} aggregation should work with attributes`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
cartocss: '#layer { marker-width: 7; }',
cartocss_version: '2.3.0',
aggregation: {
threshold: 1
},
attributes: {
id: 'cartodb_id',
columns: [
'value'
]
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.mvt));
body.metadata.layers.forEach(layer => assert.ok(layer.meta.aggregation.png));
done();
});
});
});
['centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`filters should work for ${placement} placement`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: placement,
threshold: 1,
columns: {
value: {
aggregate_function: 'mode',
aggregated_column: 'value'
}
},
filters: {
value: {
greater_than_or_equal_to: 0
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value >= 0);
});
done();
});
});
});
['centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`multiple ORed filters should work for ${placement} placement`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
placement: placement,
threshold: 1,
columns: {
value: {
aggregate_function: 'mode',
aggregated_column: 'value'
}
},
filters: {
value: [
{ greater_than: 0 },
{ less_than: -2 }
]
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value > 0 || row.properties.value < -2);
});
done();
});
});
});
['centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`multiple ANDed filters should work for ${placement} placement`, function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_2,
aggregation: {
placement: placement,
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
},
value2: {
aggregate_function: 'sum',
aggregated_column: 'sqrt_value'
}
},
filters: {
value: { greater_than: 0 },
value2: { less_than: 9 }
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value > 0 && row.properties.value2 < 9);
});
done();
});
});
});
it('supports IN filters', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: { in: [1, 3] }
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value === 1 || row.properties.value === 3);
});
done();
});
});
it('supports NOT IN filters', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: { not_in: [1, 3] }
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value !== 1 && row.properties.value !== 3);
});
done();
});
});
it('supports EQUAL filters', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: [{ equal: 1 }, { equal: 3 }]
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value === 1 || row.properties.value === 3);
});
done();
});
});
it('supports NOT EQUAL filters', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: { not_equal: 1 }
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value !== 1);
});
done();
});
});
it('supports BETWEEN filters', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: {
greater_than_or_equal_to: -1,
less_than_or_equal_to: 2
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value >= -1 || row.properties.value <= 2);
});
done();
});
});
it('supports RANGE filters', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: {
greater_than: -1,
less_than_or_equal_to: 2
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
format: 'mvt'
};
this.testClient.getTile(0, 0, 0, options, (err, res, tile) => {
if (err) {
return done(err);
}
const tileJSON = tile.toJSON();
tileJSON[0].features.forEach(row => {
assert.ok(row.properties.value > -1 || row.properties.value <= 2);
});
done();
});
});
it('invalid filters cause errors', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: {
not_a_valid_parameter: 0
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Invalid filter parameter name: not_a_valid_parameter'],
errors_with_context: [{
type: 'layer',
message: 'Invalid filter parameter name: not_a_valid_parameter',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
it('filters on invalid columns cause errors', function (done) {
this.mapConfig = createVectorMapConfig([
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
aggregation: {
threshold: 1,
columns: {
value_sum: {
aggregate_function: 'sum',
aggregated_column: 'value'
}
},
filters: {
value: {
not_a_valid_parameter: 0
}
}
}
}
}
]);
this.testClient = new TestClient(this.mapConfig);
const options = {
response: {
status: 400
}
};
this.testClient.getLayergroup(options, (err, body) => {
if (err) {
return done(err);
}
assert.deepStrictEqual(body, {
errors: ['Invalid filtered column: value'],
errors_with_context: [{
type: 'layer',
message: 'Invalid filtered column: value',
layer: {
id: 'layer0',
index: 0,
type: 'mapnik'
}
}]
});
done();
});
});
['default', 'centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`for ${placement} and no points between tiles has unique ids`, function (done) {
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_0,
aggregation: {
threshold: 1,
resolution: 1,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(1, 0, 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile1 = JSON.parse(mvt.toGeoJSONSync(0));
assert.ok(Array.isArray(tile1.features));
assert.ok(tile1.features.length > 0);
this.testClient.getTile(1, 1, 0, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile2 = JSON.parse(mvt.toGeoJSONSync(0));
assert.ok(Array.isArray(tile2.features));
assert.ok(tile2.features.length > 0);
const tile1Ids = tile1.features.map(f => f.properties.cartodb_id);
const tile2Ids = tile2.features.map(f => f.properties.cartodb_id);
const repeatedIds = tile1Ids.filter(id => tile2Ids.includes(id));
assert.strictEqual(repeatedIds.length, 0);
done();
});
});
});
it(`for ${placement} has unique ids save between tiles`, function (done) {
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_1,
resolution: 1,
aggregation: {
threshold: 1,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(1, 0, 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile1 = JSON.parse(mvt.toGeoJSONSync(0));
assert.ok(Array.isArray(tile1.features));
assert.ok(tile1.features.length > 0);
this.testClient.getTile(1, 1, 0, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile2 = JSON.parse(mvt.toGeoJSONSync(0));
assert.ok(Array.isArray(tile2.features));
assert.ok(tile2.features.length > 0);
const tile1Ids = tile1.features.map(f => f.properties.cartodb_id);
const tile2Ids = tile2.features.map(f => f.properties.cartodb_id);
const repeatedIds = tile1Ids.filter(id => tile2Ids.includes(id));
// It is not guaranteed that features appear in a single tile:
// features on the border of tiles can appear in multiple tiles
if (repeatedIds.length > 0) {
repeatedIds.forEach(id => {
const tile1Features = tile1.features.filter(f => f.properties.cartodb_id === id);
const tile2Features = tile2.features.filter(f => f.properties.cartodb_id === id);
// repetitions cannot occur inside a tile
assert.strictEqual(tile1Features.length, 1);
assert.strictEqual(tile2Features.length, 1);
const feature1 = tile1Features[0];
const feature2 = tile2Features[0];
// features should be identical (geometry and properties)
assert.deepStrictEqual(feature1.properties, feature2.properties);
assert.deepStrictEqual(feature1.geometry, feature2.geometry);
// and geometry should be on the border;
// for the dataset and zoom 1, only point with cartodb_id=4 (0,0)
assert.strictEqual(feature1.properties.cartodb_id, 4);
assert.strictEqual(feature2.properties.cartodb_id, 4);
});
}
done();
});
});
});
it(`for ${placement} each aggr. cell is in a single tile`, function (done) {
const z = 1;
const resolution = 1;
const query = POINTS_SQL_GRID(z, resolution);
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: query,
aggregation: {
threshold: 1,
resolution: resolution,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
const c = Math.pow(2, z - 1) - 1; // center tile coordinates
this.testClient.getTile(z, c + 0, c + 0, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile00 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c + 0, c + 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile01 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c + 1, c + 0, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile10 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c + 1, c + 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile11 = JSON.parse(mvt.toGeoJSONSync(0));
// There needs to be 13 points
const count_features = (tile) =>
tile.features.map(f => f.properties)
.map(f => f._cdb_feature_count)
.reduce((a, b) => a + b, 0);
const tile00Count = count_features(tile00);
const tile10Count = count_features(tile10);
const tile01Count = count_features(tile01);
const tile11Count = count_features(tile11);
assert.strictEqual(13, tile00Count + tile10Count + tile01Count + tile11Count);
done();
});
});
});
});
});
it(`for ${placement} no partially aggregated cells`, function (done) {
// Use level 1 with resolution 2 tiles and buffersize 1 (half the cell size)
// Only the cells completely inside the buffer are aggregated
const z = 1;
const resolution = 2;
// space the test points by half the resolution:
const query = POINTS_SQL_GRID(z, resolution / 2);
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 1 },
layers: [
{
type: 'cartodb',
options: {
sql: query,
aggregation: {
threshold: 1,
resolution: resolution,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
const c = Math.pow(2, z - 1) - 1; // center tile coordinates
this.testClient.getTile(z, c, c, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile00 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c, c + 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile01 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c + 1, c, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile10 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c + 1, c + 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile11 = JSON.parse(mvt.toGeoJSONSync(0));
const tile00Expected = [
{ cartodb_id: 4, _cdb_feature_count: 3 }
];
const tile10Expected = [
{ cartodb_id: 5, _cdb_feature_count: 5 }
];
const tile01Expected = [
{ cartodb_id: 1, _cdb_feature_count: 2 }
];
const tile11Expected = [
{ cartodb_id: 2, _cdb_feature_count: 3 }
];
const tile00Actual = tile00.features.map(f => f.properties);
const tile10Actual = tile10.features.map(f => f.properties);
const tile01Actual = tile01.features.map(f => f.properties);
const tile11Actual = tile11.features.map(f => f.properties);
const orderById = (a, b) => a.cartodb_id - b.cartodb_id;
assert.deepStrictEqual(tile00Actual.sort(orderById), tile00Expected);
assert.deepStrictEqual(tile10Actual.sort(orderById), tile10Expected);
assert.deepStrictEqual(tile01Actual.sort(orderById), tile01Expected);
assert.deepStrictEqual(tile11Actual.sort(orderById), tile11Expected);
done();
});
});
});
});
});
it(`for ${placement} includes complete cells in buffer`, function (done) {
// use buffersize coincident with resolution, the buffer should include neighbour cells
const z = 2;
const resolution = 1;
const query = POINTS_SQL_GRID(z, resolution);
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 1 },
layers: [
{
type: 'cartodb',
options: {
sql: query,
aggregation: {
threshold: 1,
resolution: resolution,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
const c = Math.pow(2, z - 1) - 1; // center tile coordinates
this.testClient.getTile(z, c, c, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile00 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c, c + 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile01 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c + 1, c, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile10 = JSON.parse(mvt.toGeoJSONSync(0));
this.testClient.getTile(z, c + 1, c + 1, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile11 = JSON.parse(mvt.toGeoJSONSync(0));
// We check that if an id/cell is present in multiple tiles,
// it always contains the same amount of features
const tile00Actual = tile00.features.map(f => f.properties);
const tile10Actual = tile10.features.map(f => f.properties);
const tile01Actual = tile01.features.map(f => f.properties);
const tile11Actual = tile11.features.map(f => f.properties);
const allFeatures = [...tile00Actual, ...tile10Actual,
...tile01Actual, ...tile11Actual];
for (let i = 0; i < allFeatures.length; i++) {
for (let j = i + 1; j < allFeatures.length; j++) {
const c1 = allFeatures[i];
const c2 = allFeatures[j];
if (c1.cartodb_id === c2.cartodb_id) {
assert.strictEqual(c1._cdb_feature_count, c2._cdb_feature_count);
}
}
}
done();
});
});
});
});
});
it(`for ${placement} points aggregated into corner cluster`, function (done) {
// this test will fail due to !bbox! lack of accuracy if strict cell filtering is in place
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_CELL,
aggregation: {
threshold: 1,
resolution: 1,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(20, 1000000, 1000000, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile = JSON.parse(mvt.toGeoJSONSync(0));
assert.strictEqual(tile.features.length, 1);
assert.strictEqual(tile.features[0].properties._cdb_feature_count, 4);
if (placement === 'point-grid') {
// check geometry x = 18181005.874444414, y = -18181043.94366749
const expectedPoint = [163.322754576802, -83.3823797469878];
assert.deepStrictEqual(tile.features[0].geometry.coordinates, expectedPoint);
}
done();
});
});
it(`for ${placement} points aggregated into correct cluster`, function (done) {
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_CELL_INNER,
aggregation: {
threshold: 1,
resolution: 1,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getTile(20, 1000000, 1000000, { format: 'mvt' }, (err, res, mvt) => {
if (err) {
return done(err);
}
const tile = JSON.parse(mvt.toGeoJSONSync(0));
assert.strictEqual(tile.features.length, 1);
assert.strictEqual(tile.features[0].properties._cdb_feature_count, 4);
if (placement === 'point-grid') {
// check geometry x = 18181006.023735486, y = -18181043.794376418
const expectedPoint = [163.322755917907, -83.3823795924354];
assert.deepStrictEqual(tile.features[0].geometry.coordinates, expectedPoint);
}
done();
});
});
});
['default', 'centroid', 'point-sample', 'point-grid'].forEach(placement => {
it(`default pre-aggregation stats are available with ${placement} aggregation`, function (done) {
global.environment.enabledFeatures.layerStats = true;
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_PAIRS,
aggregation: {
threshold: 1,
resolution: 1,
placement: placement !== 'default' ? placement : undefined
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.ok(body.metadata.layers[0].meta.aggregation.mvt);
assert.ok(body.metadata.layers[0].meta.stats.estimatedFeatureCount > 0);
done();
});
});
it(`on demand post-aggregation stats are available with ${placement} aggregation`, function (done) {
global.environment.enabledFeatures.layerStats = true;
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_PAIRS,
aggregation: {
threshold: 1,
resolution: 1,
placement: placement !== 'default' ? placement : undefined
},
metadata: {
aggrFeatureCount: 10
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.ok(body.metadata.layers[0].meta.aggregation.mvt);
assert.strictEqual(body.metadata.layers[0].meta.stats.aggrFeatureCount, 13);
done();
});
});
it(`post-aggregation count adapts to zoom level with ${placement} aggregation`, function (done) {
global.environment.enabledFeatures.layerStats = true;
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_PAIRS,
aggregation: {
threshold: 1,
resolution: 1,
placement: placement !== 'default' ? placement : undefined
},
metadata: {
aggrFeatureCount: 0
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.ok(body.metadata.layers[0].meta.aggregation.mvt);
assert.strictEqual(body.metadata.layers[0].meta.stats.aggrFeatureCount, 7);
done();
});
});
it(`on-demand pre-aggregation stats are available with ${placement} aggregation`, function (done) {
global.environment.enabledFeatures.layerStats = true;
this.mapConfig = {
version: '1.6.0',
buffersize: { mvt: 0 },
layers: [
{
type: 'cartodb',
options: {
sql: POINTS_SQL_PAIRS,
aggregation: {
threshold: 1,
resolution: 1,
placement: placement !== 'default' ? placement : undefined
},
metadata: {
featureCount: true
}
}
}
]
};
this.testClient = new TestClient(this.mapConfig);
this.testClient.getLayergroup((err, body) => {
if (err) {
return done(err);
}
assert.strictEqual(typeof body.metadata, 'object');
assert.ok(Array.isArray(body.metadata.layers));
assert.ok(body.metadata.layers[0].meta.aggregation.mvt);
assert.strictEqual(body.metadata.layers[0].meta.stats.featureCount, 14);
done();
});
});
});
});
});
});
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