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Test aggregation accuracy

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This tests #1001
This commit is contained in:
Javier Goizueta 2018-07-15 22:17:00 +02:00
parent e21ab12e4c
commit 92ef0a60fc
1 changed files with 124 additions and 0 deletions
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124
test/acceptance/aggregation.js
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@ -185,6 +185,49 @@ describe('aggregation', function () {
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(18181005.8, -18181043.9), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181005.8, -18181043.9), 3857), 4326) AS the_geom
UNION 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 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 SELECT
4 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181005.8, -18181043.9), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181005.8, -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 SELECT
2 AS cartodb_id,
ST_SetSRID(ST_MakePoint(18181006.09, -18181043.72), 3857) AS the_geom_webmercator,
ST_Transform(ST_SetSRID(ST_MakePoint(18181006.09, -18181043.72), 3857), 4326) AS the_geom
UNION 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 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',
@ -2411,6 +2454,87 @@ describe('aggregation', function () {
});
});
it.skip(`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,
resolution: 1,
aggregation: {
threshold: 1
}
}
}
]
};
if (placement !== 'default') {
this.mapConfig.layers[0].options.aggregation.placement = placement;
}
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.equal(tile.features.length, 1);
assert.equal(tile.features[0].properties._cdb_feature_count, 4);
console.log(tile.features[0].properties);
if (placement === 'point-grid') {
// check geometry x = 18181005.874444414, y = -18181043.94366749
assert.deepEqual(tile.features[0].geometry.coordinates, [ 163.322754576802, -83.3823797469878 ]);
}
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,
resolution: 1,
aggregation: {
threshold: 1
}
}
}
]
};
if (placement !== 'default') {
this.mapConfig.layers[0].options.aggregation.placement = placement;
}
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.equal(tile.features.length, 1);
assert.equal(tile.features[0].properties._cdb_feature_count, 4);
console.log(tile.features[0].properties);
if (placement === 'point-grid') {
// check geometry x = 18181006.023735486, y = -18181043.794376418
assert.deepEqual(tile.features[0].geometry.coordinates, [ 163.322755917907, -83.3823795924354 ]);
}
done();
});
});
});
['default', 'centroid', 'point-sample', 'point-grid'].forEach(placement => {