Windshaft-cartodb/test/acceptance/ported/torque-png-test.js

'use strict';

require('../../support/test-helper');

var assert = require('../../support/assert');
var testClient = require('./support/test-client');

describe('torque png renderer', function () {
    var IMAGE_TOLERANCE_PER_MIL = 20;

    var torquePngPointsMapConfig = {
        version: '1.2.0',
        layers: [
            {
                type: 'torque',
                options: {
                    sql: 'SELECT * FROM populated_places_simple_reduced where the_geom' +
                        ' && ST_MakeEnvelope(-90, 0, 90, 65)',
                    cartocss: [
                        'Map {',
                        '    buffer-size:0;',
                        '    -torque-frame-count:1;',
                        '    -torque-animation-duration:30;',
                        '    -torque-time-attribute:"cartodb_id";',
                        '    -torque-aggregation-function:"count(cartodb_id)";',
                        '    -torque-resolution:1;',
                        '    -torque-data-aggregation:linear;',
                        '}',
                        '#populated_places_simple_reduced{',
                        '    comp-op: multiply;',
                        '    marker-fill-opacity: 1;',
                        '    marker-line-color: #FFF;',
                        '    marker-line-width: 0;',
                        '    marker-line-opacity: 1;',
                        '    marker-type: rectangle;',
                        '    marker-width: 3;',
                        '    marker-fill: #FFCC00;',
                        '}'
                    ].join(' '),
                    cartocss_version: '2.3.0'
                }
            }
        ]
    };

    var tileRequests = [
        {
            z: 2,
            x: 2,
            y: 1,
            layer: 0,
            format: 'torque.png'
        },
        {
            z: 2,
            x: 1,
            y: 1,
            layer: 0,
            format: 'torque.png'
        }
    ];

    function torquePngFixture (zxy) {
        return './test/fixtures/torque/populated_places_simple_reduced-' + zxy.join('.') + '.png';
    }

    tileRequests.forEach(function (tileRequest) {
        var z = tileRequest.z;
        var x = tileRequest.x;
        var y = tileRequest.y;
        var zxy = [z, x, y];
        it('tile ' + zxy.join('/') + '.torque.png', function (done) {
            testClient.getTileLayer(torquePngPointsMapConfig, tileRequest, function (err, res) {
                assert.imageBufferIsSimilarToFile(res.body, torquePngFixture(zxy), IMAGE_TOLERANCE_PER_MIL,
                    function (err) {
                        assert.ok(!err);
                        done();
                    }
                );
            });
        });
    });

    var mapConfigTorqueOffset = {
        version: '1.3.0',
        layers: [
            {
                type: 'torque',
                options: {
                    sql: 'SELECT * FROM populated_places_simple_reduced',
                    cartocss: [
                        'Map {',
                        'buffer-size:0;',
                        '-torque-frame-count:1;',
                        '-torque-animation-duration:30;',
                        '-torque-time-attribute:"cartodb_id";',
                        '-torque-aggregation-function:"count(cartodb_id)";',
                        '-torque-resolution:2;',
                        '-torque-data-aggregation:linear;',
                        '}',
                        '',
                        '#populated_places_simple_reduced{',
                        '  comp-op: lighter;',
                        '  marker-fill-opacity: 0.9;',
                        '  marker-line-color: #2167AB;',
                        '  marker-line-width: 5;',
                        '  marker-line-opacity: 1;',
                        '  marker-type: ellipse;',
                        '  marker-width: 6;',
                        '  marker-fill: #FF9900;',
                        '}',
                        '#populated_places_simple_reduced[frame-offset=1] {',
                        ' marker-width:8;',
                        ' marker-fill-opacity:0.45; ',
                        '}',
                        '#populated_places_simple_reduced[frame-offset=2] {',
                        ' marker-width:10;',
                        ' marker-fill-opacity:0.225; ',
                        '}'
                    ].join(' '),
                    cartocss_version: '2.3.0'
                }
            }
        ]
    };

    it('torque static map with offset', function (done) {
        var w = 600;
        var h = 400;

        testClient.getStaticBbox(mapConfigTorqueOffset, -170, -87, 170, 87, w, h, function (err, res, img) {
            if (err) {
                return done(err);
            }

            assert.equal(img.width(), w);
            assert.equal(img.height(), h);

            done();
        });
    });
});