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'use strict';
var mockfs = require('./mockfs');
var mbgl = require('../index');
var test = require('tape');
var firstRequest = "mapbox://sprites/mapbox/streets-v9@2x.json";
var params = {
mapPoolSize: 10,
numRenderings: 1000,
failurePercentage: 10,
timeoutPercentage: 10,
renderingTimeout: 5000,
ratio: 2
};
test('Benchmark', function(t) {
console.time('Time');
var renderCount = 0;
var failureCount = 0;
var cancelCount = 0;
var options = {
request: function(req, callback) {
setTimeout(function() {
var num = Math.floor(Math.random() * 100);
if (req.url == firstRequest && num < params.failurePercentage) {
callback(new Error('Failure'));
} else if (req.url == firstRequest && num > 99 - params.timeoutPercentage) {
setTimeout(function() { callback(new Error('Timeout')); }, params.renderingTimeout * 5);
} else {
var data = mockfs.dataForRequest(req);
callback(null, { data: mockfs.dataForRequest(req) });
}
}, 0);
},
ratio: params.ratio,
};
var mapPool = []
for (var i = 0; i < params.mapPoolSize; ++i) {
var map = new mbgl.Map(options);
mapPool.push(map);
}
var interval = setInterval(function () {
if (mapPool.length == 0 || renderCount == params.numRenderings) {
return;
}
var map = mapPool.shift();
map.load('{ "version": 8, "sources": {}, "layers": [] }');
map.load(mockfs.style_vector);
renderCount += 1;
if (renderCount % (params.numRenderings / 100) == 0) {
// Print some progress, so slow build bots don't timeout.
t.comment('Rendering (' + renderCount.toString() +
'/' + params.numRenderings.toString() + ')');
}
if (renderCount == params.numRenderings) {
clearInterval(interval);
t.end();
console.timeEnd('Time');
console.log('Failures: ' + failureCount);
console.log('Canceled: ' + cancelCount);
return;
}
var mapTimeout = setTimeout(function() {
map.cancel();
}, params.renderingTimeout);
map.render({ zoom: 16 }, function(err, pixels) {
clearTimeout(mapTimeout);
if (err) {
if (err.message == 'Failure') {
failureCount += 1;
}
if (err.message == 'Canceled') {
cancelCount += 1;
}
// We cancel the request before it gets a
// timeout error from the file source.
if (err.message == 'Timeout') {
t.fail('should never happen');
}
}
mapPool.push(map);
});
}, 1);
});
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