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// Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
//
// This script loads the test file in the virtual machine and runs it in a
// context that only exposes a test variable with methods for testing and to
// spawn bots.
//
// Note: an important part of this script is to keep nodejs-isms away from test
// code and isolate it from implementation details.
var fs = require('fs');
var vm = require('vm');
var BotManager = require('./botmanager.js');
function Test(botType) {
this.timeout_ = setTimeout(
this.fail.bind(this, "Test timeout!"),
100000);
this.botType_ = botType;
}
Test.prototype = {
log: function () {
console.log.apply(console.log, arguments);
},
abort: function (error) {
var error = new Error(error || "Test aborted");
console.log(error.stack);
process.exit(1);
},
assert: function (value, message) {
if (value !== true) {
this.abort(message || "Assert failed.");
}
},
fail: function () {
this.assert(false, "Test failed.");
},
done: function () {
clearTimeout(this.timeout_);
console.log("Test succeeded");
process.exit(0);
},
// Utility method to wait for multiple callbacks to be executed.
// functions - array of functions to call with a callback.
// doneCallback - called when all callbacks on the array have completed.
wait: function (functions, doneCallback) {
var result = new Array(functions.length);
var missingResult = functions.length;
for (var i = 0; i != functions.length; ++i)
functions[i](complete.bind(this, i));
function complete(index, value) {
missingResult--;
result[index] = value;
if (missingResult == 0)
doneCallback.apply(null, result);
}
},
spawnBot: function (name, doneCallback) {
// Lazy initialization of botmanager.
if (!this.botManager_)
this.botManager_ = new BotManager();
this.botManager_.spawnNewBot(name, this.botType_, doneCallback);
},
createStatisticsReport: function (outputFileName) {
return new StatisticsReport(outputFileName);
},
}
StatisticsReport = function (outputFileName) {
this.output_ = [];
this.output_.push("Version: 1");
this.outputFileName_ = outputFileName;
}
StatisticsReport.prototype = {
collectStatsFromPeerConnection: function (prefix, pc) {
setInterval(this.addPeerConnectionStats.bind(this, prefix, pc), 100);
},
addPeerConnectionStats: function (prefix, pc) {
pc.getStats(onStatsReady.bind(this));
function onStatsReady(reports) {
for (index in reports) {
var stats = {};
stats[reports[index].id] = collectStats(reports[index].stats);
var data = {};
data[prefix] = stats;
this.output_.push({
type: "UpdateCounters",
startTime: (new Date()).getTime(),
data: data,
});
}
};
function collectStats(stats) {
var outputStats = {};
for (index in stats) {
var statValue = parseFloat(stats[index].stat);
outputStats[stats[index].name] = isNaN(statValue)?
stats[index].stat : statValue;
}
return outputStats;
};
},
finish: function (doneCallback) {
fs.writeFile("test/reports/" + this.outputFileName_ + "_" +
(new Date()).getTime() +".json", JSON.stringify(this.output_),
doneCallback);
},
}
function runTest(botType, testfile) {
console.log("Running test: " + testfile);
var script = vm.createScript(fs.readFileSync(testfile), testfile);
script.runInNewContext({ test: new Test(botType), setInterval: setInterval,
setTimeout: setTimeout });
}
runTest(process.argv[2], process.argv[3]);
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