Implement test to exercise buffer-size configuration by format

This commit is contained in:
Daniel García Aubert 2017-04-24 18:56:15 +02:00
parent fed953d195
commit 06353941e6
3 changed files with 124 additions and 0 deletions

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require('../support/test_helper');
var assert = require('../support/assert');
var TestClient = require('../support/test-client');
var IMAGE_TOLERANCE_PER_MIL = 20;
var mapnik = require('windshaft').mapnik;
function createMapConfig (bufferSize) {
return {
version: '1.6.0',
buffersize: bufferSize,
layers: [{
type: "cartodb",
options: {
sql: [
'select',
' *',
'from',
' populated_places_simple_reduced',
].join('\n'),
cartocss: [
'#layer {',
' polygon-fill: #374C70;',
' polygon-opacity: 0.9;',
' line-width: 1;',
' line-color: #FFF;',
' line-opacity: 0.5;',
'}',
'#layer::labels {',
' text-name: [name];',
' text-face-name: \'DejaVu Sans Book\';',
' text-size: 20;',
' text-fill: #FFFFFF;',
' text-label-position-tolerance: 0;',
' text-halo-radius: 1;',
' text-halo-fill: #6F808D;',
' text-dy: -10;',
' text-allow-overlap: true;',
' text-placement: point;',
' text-placement-type: dummy;',
'}'
].join('\n'),
cartocss_version: '2.3.0',
interactivity: 'cartodb_id'
}
}]
};
}
describe.only('buffer size per format', function () {
var testCases = [
{
desc: 'should get png tile using buffer-size 1',
coords: { z: 7, x: 64, y: 48 },
format: 'png',
fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-1.png',
mapConfig: createMapConfig({ png: 1, 'grid.json': 1 }),
assert: function (tile, callback) {
assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
}
},
{
desc: 'should get png tile using buffer-size 128',
coords: { z: 7, x: 64, y: 48 },
format: 'png',
fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png',
mapConfig: createMapConfig({ png: 128, 'grid.json': 128 }),
assert: function (tile, callback) {
assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
}
},
{
desc: 'should get mvt tile using buffer-size 1',
coords: { z: 7, x: 64, y: 48 },
format: 'mvt',
fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-1.png',
mapConfig: createMapConfig({ mvt: 1 }),
assert: function (tile, callback) {
var tileJSON = tile.toJSON();
var features = tileJSON[0].features;
assert.equal(features.length, 1);
var map = new mapnik.Map(256, 256);
tile.render(map, new mapnik.Image(256, 256), function (err, image) {
assert.ifError(err);
assert.imageIsSimilarToFile(image, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
}.bind(this));
}
},
{
desc: 'should get mvt tile using buffer-size 128',
coords: { z: 7, x: 64, y: 48 },
format: 'mvt',
fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png',
mapConfig: createMapConfig({ mvt: 128 }),
assert: function (tile, callback) {
var tileJSON = tile.toJSON();
var features = tileJSON[0].features
assert.equal(features.length, 9);
var map = new mapnik.Map(256, 256);
tile.render(map, new mapnik.Image(256, 256), function (err, image) {
assert.ifError(err);
assert.imageIsSimilarToFile(image, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
}.bind(this));
}
}
];
testCases.forEach(function (test) {
it(test.desc, function (done) {
var testClient = new TestClient(test.mapConfig, 1234);
var coords = test.coords;
testClient.getTile(coords.z, coords.x, coords.y, { format: test.format }, function (err, res, tile) {
assert.ifError(err);
// To generate images use:
// tile.save(test.fixturePath);
test.assert(tile, function () {
testClient.drain(done);
});
});
});
});
});

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