Windshaft-cartodb/test/acceptance/named_maps_cache.js

142 lines
4.7 KiB
JavaScript

require('../support/test_helper');
var RedisPool = require('redis-mpool');
var assert = require('../support/assert');
var mapnik = require('windshaft').mapnik;
var CartodbWindshaft = require('../../lib/cartodb/server');
var serverOptions = require('../../lib/cartodb/server_options');
var TemplateMaps = require('../../lib/cartodb/backends/template_maps.js');
describe('named maps provider cache', function() {
var server = new CartodbWindshaft(serverOptions);
// configure redis pool instance to use in tests
var redisPool = new RedisPool(global.environment.redis);
var templateMaps = new TemplateMaps(redisPool, {
max_user_templates: global.environment.maxUserTemplates
});
var username = 'localhost';
var templateName = 'template_with_color';
var IMAGE_TOLERANCE = 20;
function createTemplate(color) {
return {
version: '0.0.1',
name: templateName,
auth: {
method: 'open'
},
placeholders: {
color: {
type: "css_color",
default: color
}
},
layergroup: {
layers: [
{
type: 'mapnik',
options: {
sql: 'select * from populated_places_simple_reduced',
cartocss: '#layer { marker-fill: <%= color %>; marker-line-color: <%= color %>; }',
cartocss_version: '2.3.0'
}
}
]
}
};
}
afterEach(function (done) {
templateMaps.delTemplate(username, templateName, done);
});
function getNamedTile(options, callback) {
if (!callback) {
callback = options;
options = {};
}
var url = '/api/v1/map/named/' + templateName + '/all/' + [0,0,0].join('/') + '.png';
var requestOptions = {
url: url,
method: 'GET',
headers: {
host: username
},
encoding: 'binary'
};
var statusCode = options.statusCode || 200;
var expectedResponse = {
status: statusCode,
headers: {
'Content-Type': statusCode === 200 ? 'image/png' : 'application/json; charset=utf-8'
}
};
assert.response(server, requestOptions, expectedResponse, function (res, err) {
var img;
if (statusCode === 200) {
img = mapnik.Image.fromBytes(new Buffer(res.body, 'binary'));
}
return callback(err, res, img);
});
}
function previewFixture(color) {
return './test/fixtures/provider/populated_places_simple_reduced-' + color + '.png';
}
var colors = ['red', 'red', 'green', 'blue'];
colors.forEach(function(color) {
it('should return an image estimating its bounds based on dataset', function (done) {
templateMaps.addTemplate(username, createTemplate(color), function (err) {
if (err) {
return done(err);
}
getNamedTile(function(err, res, img) {
assert.ok(!err);
assert.imageIsSimilarToFile(img, previewFixture(color), IMAGE_TOLERANCE, done);
});
});
});
});
it('should fail to use template from named map provider after template deletion', function (done) {
var color = 'black';
templateMaps.addTemplate(username, createTemplate(color), function (err) {
if (err) {
return done(err);
}
getNamedTile(function(err, res, img) {
assert.ok(!err);
assert.imageIsSimilarToFile(img, previewFixture(color), IMAGE_TOLERANCE, function(err) {
assert.ok(!err);
templateMaps.delTemplate(username, templateName, function (err) {
assert.ok(!err);
getNamedTile({ statusCode: 404 }, function(err, res) {
assert.ok(!err);
assert.deepEqual(
JSON.parse(res.body).errors,
["Template 'template_with_color' of user 'localhost' not found"]
);
// add template again so it's clean in afterEach
templateMaps.addTemplate(username, createTemplate(color), done);
});
});
});
});
});
});
});