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Unhandled error Error: Data cannot be encoded in JSON error at firebase serverless functions

I'm trying to deploy an api for my application. Using these codes raises Unhandled error "Error: Data cannot be encoded in JSON.
const functions = require("firebase-functions");
const axios = require("axios");
exports.getDatas = functions.https.onCall(async (d)=>{
functions.logger.log(d["name"]);
cname = d["name"];
ts1=d["ts1"];
ts2=d["ts2"];
const data = await axios.get(
"https://api.coingecko.com/api/v3/coins/" +
cname +
"/market_chart/range?vs_currency=usd&from=" +
ts1 +
"&to=" +
ts2,
);
functions.logger.log(data);
return {data: data};
});
The error log is
Unhandled error Error: Data cannot be encoded in JSON: function httpAdapter(config) {
return new Promise(function dispatchHttpRequest(resolvePromise, rejectPromise) {
var onCanceled;
function done() {
if (config.cancelToken) {
config.cancelToken.unsubscribe(onCanceled);
}
if (config.signal) {
config.signal.removeEventListener('abort', onCanceled);
}
}
var resolve = function resolve(value) {
done();
resolvePromise(value);
};
var rejected = false;
var reject = function reject(value) {
done();
rejected = true;
rejectPromise(value);
};
var data = config.data;
var headers = config.headers;
var headerNames = {};
Object.keys(headers).forEach(function storeLowerName(name) {
headerNames[name.toLowerCase()] = name;
});
// Set User-Agent (required by some servers)
// See https://github.com/axios/axios/issues/69
if ('user-agent' in headerNames) {
// User-Agent is specified; handle case where no UA header is desired
if (!headers[headerNames['user-agent']]) {
delete headers[headerNames['user-agent']];
}
// Otherwise, use specified value
} else {
// Only set header if it hasn't been set in config
headers['User-Agent'] = 'axios/' + VERSION;
}
if (data && !utils.isStream(data)) {
if (Buffer.isBuffer(data)) {
// Nothing to do...
} else if (utils.isArrayBuffer(data)) {
data = Buffer.from(new Uint8Array(data));
} else if (utils.isString(data)) {
data = Buffer.from(data, 'utf-8');
} else {
return reject(createError(
'Data after transformation must be a string, an ArrayBuffer, a Buffer, or a Stream',
config
));
}
if (config.maxBodyLength > -1 && data.length > config.maxBodyLength) {
return reject(createError('Request body larger than maxBodyLength limit', config));
}
// Add Content-Length header if data exists
if (!headerNames['content-length']) {
headers['Content-Length'] = data.length;
}
}
// HTTP basic authentication
var auth = undefined;
if (config.auth) {
var username = config.auth.username || '';
var password = config.auth.password || '';
auth = username + ':' + password;
}
// Parse url
var fullPath = buildFullPath(config.baseURL, config.url);
var parsed = url.parse(fullPath);
var protocol = parsed.protocol || 'http:';
if (!auth && parsed.auth) {
var urlAuth = parsed.auth.split(':');
var urlUsername = urlAuth[0] || '';
var urlPassword = urlAuth[1] || '';
auth = urlUsername + ':' + urlPassword;
}
if (auth && headerNames.authorization) {
delete headers[headerNames.authorization];
}
var isHttpsRequest = isHttps.test(protocol);
var agent = isHttpsRequest ? config.httpsAgent : config.httpAgent;
var options = {
path: buildURL(parsed.path, config.params, config.paramsSerializer).replace(/^\?/, ''),
method: config.method.toUpperCase(),
headers: headers,
agent: agent,
agents: { http: config.httpAgent, https: config.httpsAgent },
auth: auth
};
if (config.socketPath) {
options.socketPath = config.socketPath;
} else {
options.hostname = parsed.hostname;
options.port = parsed.port;
}
var proxy = config.proxy;
if (!proxy && proxy !== false) {
var proxyEnv = protocol.slice(0, -1) + '_proxy';
var proxyUrl = process.env[proxyEnv] || process.env[proxyEnv.toUpperCase()];
if (proxyUrl) {
var parsedProxyUrl = url.parse(proxyUrl);
var noProxyEnv = process.env.no_proxy || process.env.NO_PROXY;
var shouldProxy = true;
if (noProxyEnv) {
var noProxy = noProxyEnv.split(',').map(function trim(s) {
return s.trim();
});
shouldProxy = !noProxy.some(function proxyMatch(proxyElement) {
if (!proxyElement) {
return false;
}
if (proxyElement === '*') {
return true;
}
if (proxyElement[0] === '.' &&
parsed.hostname.substr(parsed.hostname.length - proxyElement.length) === proxyElement) {
return true;
}
return parsed.hostname === proxyElement;
});
}
if (shouldProxy) {
proxy = {
host: parsedProxyUrl.hostname,
port: parsedProxyUrl.port,
protocol: parsedProxyUrl.protocol
};
if (parsedProxyUrl.auth) {
var proxyUrlAuth = parsedProxyUrl.auth.split(':');
proxy.auth = {
username: proxyUrlAuth[0],
password: proxyUrlAuth[1]
};
}
}
}
}
if (proxy) {
options.headers.host = parsed.hostname + (parsed.port ? ':' + parsed.port : '');
setProxy(options, proxy, protocol + '//' + parsed.hostname + (parsed.port ? ':' + parsed.port : '') + options.path);
}
var transport;
var isHttpsProxy = isHttpsRequest && (proxy ? isHttps.test(proxy.protocol) : true);
if (config.transport) {
transport = config.transport;
} else if (config.maxRedirects === 0) {
transport = isHttpsProxy ? https : http;
} else {
if (config.maxRedirects) {
options.maxRedirects = config.maxRedirects;
}
transport = isHttpsProxy ? httpsFollow : httpFollow;
}
if (config.maxBodyLength > -1) {
options.maxBodyLength = config.maxBodyLength;
}
if (config.insecureHTTPParser) {
options.insecureHTTPParser = config.insecureHTTPParser;
}
// Create the request
var req = transport.request(options, function handleResponse(res) {
if (req.aborted) return;
// uncompress the response body transparently if required
var stream = res;
// return the last request in case of redirects
var lastRequest = res.req || req;
// if no content, is HEAD request or decompress disabled we should not decompress
if (res.statusCode !== 204 && lastRequest.method !== 'HEAD' && config.decompress !== false) {
switch (res.headers['content-encoding']) {
/*eslint default-case:0*/
case 'gzip':
case 'compress':
case 'deflate':
// add the unzipper to the body stream processing pipeline
stream = stream.pipe(zlib.createUnzip());
// remove the content-encoding in order to not confuse downstream operations
delete res.headers['content-encoding'];
break;
}
}
var response = {
status: res.statusCode,
statusText: res.statusMessage,
headers: res.headers,
config: config,
request: lastRequest
};
if (config.responseType === 'stream') {
response.data = stream;
settle(resolve, reject, response);
} else {
var responseBuffer = [];
var totalResponseBytes = 0;
stream.on('data', function handleStreamData(chunk) {
responseBuffer.push(chunk);
totalResponseBytes += chunk.length;
// make sure the content length is not over the maxContentLength if specified
if (config.maxContentLength > -1 && totalResponseBytes > config.maxContentLength) {
// stream.destoy() emit aborted event before calling reject() on Node.js v16
rejected = true;
stream.destroy();
reject(createError('maxContentLength size of ' + config.maxContentLength + ' exceeded',
config, null, lastRequest));
}
});
stream.on('aborted', function handlerStreamAborted() {
if (rejected) {
return;
}
stream.destroy();
reject(createError('error request aborted', config, 'ERR_REQUEST_ABORTED', lastRequest));
});
stream.on('error', function handleStreamError(err) {
if (req.aborted) return;
reject(enhanceError(err, config, null, lastRequest));
});
stream.on('end', function handleStreamEnd() {
try {
var responseData = responseBuffer.length === 1 ? responseBuffer[0] : Buffer.concat(responseBuffer);
if (config.responseType !== 'arraybuffer') {
responseData = responseData.toString(config.responseEncoding);
if (!config.responseEncoding || config.responseEncoding === 'utf8') {
responseData = utils.stripBOM(responseData);
}
}
response.data = responseData;
} catch (err) {
reject(enhanceError(err, config, err.code, response.request, response));
}
settle(resolve, reject, response);
});
}
});
// Handle errors
req.on('error', function handleRequestError(err) {
if (req.aborted && err.code !== 'ERR_FR_TOO_MANY_REDIRECTS') return;
reject(enhanceError(err, config, null, req));
});
// set tcp keep alive to prevent drop connection by peer
req.on('socket', function handleRequestSocket(socket) {
// default interval of sending ack packet is 1 minute
socket.setKeepAlive(true, 1000 * 60);
});
// Handle request timeout
if (config.timeout) {
// This is forcing a int timeout to avoid problems if the `req` interface doesn't handle other types.
var timeout = parseInt(config.timeout, 10);
if (isNaN(timeout)) {
reject(createError(
'error trying to parse `config.timeout` to int',
config,
'ERR_PARSE_TIMEOUT',
req
));
return;
}
// Sometime, the response will be very slow, and does not respond, the connect event will be block by event loop system.
// And timer callback will be fired, and abort() will be invoked before connection, then get "socket hang up" and code ECONNRESET.
// At this time, if we have a large number of request, nodejs will hang up some socket on background. and the number will up and up.
// And then these socket which be hang up will devoring CPU little by little.
// ClientRequest.setTimeout will be fired on the specify milliseconds, and can make sure that abort() will be fired after connect.
req.setTimeout(timeout, function handleRequestTimeout() {
req.abort();
var transitional = config.transitional || defaults.transitional;
reject(createError(
'timeout of ' + timeout + 'ms exceeded',
config,
transitional.clarifyTimeoutError ? 'ETIMEDOUT' : 'ECONNABORTED',
req
));
});
}
if (config.cancelToken || config.signal) {
// Handle cancellation
// eslint-disable-next-line func-names
onCanceled = function(cancel) {
if (req.aborted) return;
req.abort();
reject(!cancel || (cancel && cancel.type) ? new Cancel('canceled') : cancel);
};
config.cancelToken && config.cancelToken.subscribe(onCanceled);
if (config.signal) {
config.signal.aborted ? onCanceled() : config.signal.addEventListener('abort', onCanceled);
}
}
// Send the request
if (utils.isStream(data)) {
data.on('error', function handleStreamError(err) {
reject(enhanceError(err, config, null, req));
}).pipe(req);
} else {
req.end(data);
}
});
}
at encode (/workspace/node_modules/firebase-functions/lib/common/providers/https.js:162:11)
at encode (/workspace/node_modules/firebase-functions/lib/common/providers/https.js:156:22)
at encode (/workspace/node_modules/firebase-functions/lib/common/providers/https.js:156:22)
at encode (/workspace/node_modules/firebase-functions/lib/common/providers/https.js:156:22)
at /workspace/node_modules/firebase-functions/lib/common/providers/https.js:334:22
at processTicksAndRejections (internal/process/task_queues.js:97:5)
First logger logs the parameter i gave correctly and the logger that logs data is in this format:
...["api.coingecko.com:443::::::::::::::::::"]},"keepAliveMsecs":1000,"maxFreeSockets":256,"scheduling":"fifo","keepAlive":false,"maxSockets":null},"_removedConnection":false,"writable":true},"status":200,"data":{"prices":[[1615345414698,37.27069164629981],[1615349310788,36.95627388647297],[1615352802175,37.48630338203377],[1615356202751,37.46442850999597],[1615360079361,37.642735963063906],[1615363905145,38.29435586902702],[1615367492353,38.313292928237594],[1615370461299,38.75503558097479],[1615374138056,38.24406575020552],[1615377815960,38.237026584388175],[1615381321332,38.93964664468625],[1615384813000,39.262646397955635],[1615388739874,39.15882057568881],[1615392094129,38.94488140309047],[1615395966875,38.79820936257378],[1615399312625,38.51637055616189],[1615403055037,38.59237008394828],[1615406529740,38.44087305010874],[1615410281814,37.71855645797291],[1615414278815,38.374824600586976],[1615417716420,38.4538669693684],[1615421045728,37.62772478442999],[1615425672990,36.8826465121472],[1615429587089,37.41958697414903],[1615432278494,37.34865694722488],[1615435254265,37.16289143388951],[1615439122292,37.14731463575248],[1615442523394,36.801517989796814],[1615446290102,37.02248224990424],[1615450361470,36.164787531097126],[1615453299572,36.46191265162147],[1615457172317,36.174755169666334],[1615460886498,37.05778010952229],[1615464298322,37.336909500902365],[1615469586325,37.56497212211488],[1615472126260,37.83046394206218],[1615474882979,37.252561357731096],[1615478498201,36.56190097084664],[1615482336185,36.83824760787625],[1615485957910,36.89351702770813],[1615489642151,37.589229946501746],[1615493390438,37.33184737771527],[1615496666244,37.29234576242379],[1615500577712,37.284260441548426],[1616866645601,1137195941.0307472],[1616870299925,1089416195.9864128],[1616873841648,1074341877.495249],[1616877368137,1061555457.3375872],[1616880970910,1077775411.1216433],[1616884693948,1064594490.6022671],[1616887998472,1087481667.611567],[1616891397951,1068140794.5197278],[1616894759953,1078753362.1719048],[1616898371565,1053546315.1245787],[1616902002474,1052498816.7223371],[1616905584364,1026915395.5541993],[1616909101481,1022271206.3215427],[1616912730390,997185793.1210617],[1616916434482,972130048.6316774],[1616919928611,988711196.2721183],[1616923534317,987299160.6191593],[1616926264719,975360472.6011684],[1616930074136,958327264.7346151],[1616933292776,935085970.8922312],[1616936940791,896217168.3654604],[1616940936847,878876312.6707534],[1616944090304,890504985.5476977],[1616948321869,896715385.5657766],[1616952007508,870767231.0865391],[1616955544207,880601758.4610194],[1616958381375,896794852.1077055],[1616962022167,929362788.5783823],[1616966479654,927502494.4691795],[1616969648773,880385481.5284289],[1616973545649,862329007.9935848],[1616977463095,840138544.6360805],[1616980359587,849727926.595521],[1616984356096,820616225.3306137],[1616987602367,898085663.0760688],[1616990444958,890215727.4112909],[1616995470635,914823340.6343507],[1616999032159,890922230.685704],[1617002651977,937214914.0703756],[1617005329558,976030203.3879734],[1617009370471,1061898884.4388478],[1617012348377,1111994349.2592206],[1617015705482,1175310227.1595278],[1617019895549,1217044915.3900926],[1617022941451,1204239369.9336267],[1617027118715,1225123359.1178432],[1617031210170,1191418570.9198012],[1617033728601,1257085051.9742537],[1617037882992,1261291734.3667347],[1617041858553,1265805909.4506621],[1617044547418,1261869965.5784621],[1617049418534,1225924891.220988],[1617052450394,1200646247.466799],[1617055896172,1209247034.0807025],[1617059684123,1249662106.3996315],[1617062561979,837849935.5380555],[1617066155823,1261094295.2039979],[1617070572708,1244044711.3556864],[1617074210159,1178503497.252399],[1617077106612,1184744920.254339],[1617080571662,1219164970.9205332],[1617084836477,1174744890.1399443],[1617087739776,1236332180.5454476],[1617092763739,1121685108.4046226],[1617096303391,1074005978.1362224],[1617100013739,1075898891.906641],[1617102136947,1041120230.0169744],[1617106411165,1021062028.7444541],[1617110588848,1004207600.6385714],[1617114148509,983098685.435342],[1617117449987,983878432.6976557],[1617120868725,943893192.0239582],[1617123806180,948379973.8680001],[1617128347360,948328240.0510467],[1617131244094,923477307.6495335],[1617134866719,918321070.6284192],[1617138697011,960178009.2986945],[1617142067857,974105207.7725881],[1617146083923,973959760.0729104],[1617149999086,959500047.5209063],[1617153094367,1007753562.6156206],[1617156698445,1021534121.1115336],[1617160175611,1028067427.0339341],[1617163928330,1007755251.8882328],[1617166924538,1023240773.0466446],[1617171886674,1037535813.1806505],[1617175133694,1101375379.7094195],[1617178435173,1136688478.90344],[1617182857658,1208366620.2561867],[1617185353773,1208823054.3509212],[1617188828477,1234197192.568771],[1617193393471,1707076315.380663],[1617196301983,1845668637.7358408],[1617199516026,1901877634.1385415],[1617203681947,2015292037.1305778]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When this code invoked it logs data correctly but i can not return it at last. Anyone can help?

The problem appears to be that you're trying to return the entire Axios response. This cannot be serialised as JSON due to circular references.
Simply return the response data instead. You can also make your URL construction simpler (and safer) using the params option
exports.getDatas = functions.https.onCall(async ({ name, ts1, ts2 }) => {
functions.logger.log(name);
// 👇 note the destructure here
const { data } = await axios.get(
`https://api.coingecko.com/api/v3/coins/${encodeURIComponent(name)}/market_chart/range`,
{
params: {
vs_currency: "usd",
from: ts1,
to: ts2,
}
}
);
functions.logger.log(data);
return { data };
});

How to access to a function from world.js?

I'm trying to access to this.addScreenshotToReport from a function of world.js
This is the code I been trying to export the world.js:
module.exports = function() {
var worldPath = path.join(config.paths.root, '../support/world')
this.World = require(worldPath).World;
}
And i put this.addScreenshotToReport() to access in that specific tunction
This is the code from world.js:
function CustomWorld({attach, parameters}) {
this.waitForTestController = testControllerHolder.get()
.then(function(tc) {
return testController = tc;
});
this.attach = attach;
this.setBrowser = function() {
if (parameters.browser === undefined) {
return 'chrome';
} else {
return parameters.browser;
}
};
this.addScreenshotToReport = function() {
if (process.argv.includes('--format') || process.argv.includes('-f') || process.argv.includes('--format-options')) {
testController.takeScreenshot()
.then(function(screenshotPath) {
const imgInBase64 = base64Img.base64Sync(screenshotPath);
const imageConvertForCuc = imgInBase64.substring(imgInBase64.indexOf(',') + 1);
return attach(imageConvertForCuc, 'image/png');
})
.catch(function(error) {
console.warn('The screenshot was not attached to the report');
});
} else {
return new Promise((resolve) => {
resolve(null);
});
}
};
The actual output is:
TypeError: this.addScreenshotToReport is not a function

Comparing 2 attributes using the function "some"

var e = require("./myApp.js");
var myServer = e.CreateServer(1337);
myServer.Register("/", "GET", function (req, res) { res.end("J") });
myServer.Register("/", "GET", function (req, res) { res.end("Ja") });
myServer.Start();
This is my "Wrapper":
module.exports = (function () {
function _createServer(port) {
var routingTable = [];
var port = port;
var server = require('http').createServer();
function _start() {
server.listen(port);
console.log("Server was started");
};
function RegisterRecord(url, method, fnc) {
this.url = url;
this.method = method;
this.fnc = fnc;
};
function _register(newUrl, newMethod, newFnc) {
if (_checkInput(newUrl, newMethod))
console.log("Register failed! Record with same URL and Method already exist");
else {
routingTable.push(new RegisterRecord(newUrl, newMethod, newFnc));
console.log("Register success!");
}
};
function _checkInput(newUrl, newMethod) {
return routingTable.some(function fnc(record) { record.url == newUrl && record.method == newMethod });
};
return {
Start: _start,
Register: _register,
ShutDown: _shutDown
};
};
return { CreateServer: _createServer };
})();
So the most important functions are "_register" and "checkInput".
My aim is that the same URL and Method are only allowed on time in the array routingTable. So when I execute the programm, the Command Promp prints two times Register success. But "/" and "GET" should only be allowed one time.
How can I compare the URL and method so that they can be unique?
PS: The "Wrapper" is in the JS File "./MyApp.js"

You need filter:
function _checkInput(newUrl, newMethod) {
return routingTable
.filter( function(el) {
return el.url === newUrl && el.method === newMethod;
})
.length > 0;
};
Upd. Of course, you can use the some - you just forgot to return a value from it:
function _checkInput(newUrl, newMethod) {
return routingTable
.some( function(el) {
// Need return
return el.url === newUrl && el.method === newMethod;
})
};

How test Service working with IndexedDB in AngularJS

I have app in AngularJS, where I make services, which stores data to IndexedDb.
It's look like this:
var IndexedDbServices = angular.module('IndexedDbServices', []);
IndexedDbServices.factory('IndexedDb', ['$window', '$q', function($window, $q){
var indexedDB = $window.indexedDB;
var db=null;
var open = function() {
var deferred = $q.defer();
var version = 3;
var request = indexedDB.open("lCApp", version);
request.onupgradeneeded = function(e) {
db = e.target.result;
e.target.transaction.onerror = indexedDB.onerror;
if(db.objectStoreNames.contains("collections")) {
db.deleteObjectStore("collections");
}
var store = db.createObjectStore("collections", {
keyPath: "id", autoIncrement : true
});
store.createIndex("name", "name", { unique: true });
store.createIndex("description", "description", { unique: false });
store.transaction.oncomplete = function(event) {
var customerObjectStore = db.transaction("collections", "readwrite").objectStore("collections");
customerObjectStore.add({name: "coll1", description: "desc for coll1"});
customerObjectStore.add({name: "coll2", description: "desc for coll2"});
};
};
request.onsuccess = function(e) {
db = e.target.result;
deferred.resolve();
};
request.onerror = function(){
deferred.reject();
};
return deferred.promise;
};
var findAll = function() {
var deferred = $q.defer();
if(db === null || db === undefined) {
deferred.reject("IndexDB is not opened yet!");
} else{
var trans = db.transaction(["collections"], "readwrite");
var store = trans.objectStore("collections");
var data = [];
// Get everything in the store;
var keyRange = IDBKeyRange.lowerBound(0);
var cursorRequest = store.openCursor(keyRange);
cursorRequest.onsuccess = function(e) {
var result = e.target.result;
if(result === null || result === undefined)
{
deferred.resolve(data);
}
else{
data.push(result.value);
result.continue();
}
};
cursorRequest.onerror = function(e){
console.log(e.value);
deferred.reject("Something went wrong!!!");
};
}
return deferred.promise;
};
return {
open: open,
add: add,
findAll: findAll
};
}]);
And I want test this code using unit test (jasmine). So i wrote this:
describe('IndexedDB service', function() {
beforeEach(function() {
module('IndexedDbServices');
});
it('should open db and find 2 collections', inject(function(IndexedDb) {
IndexedDb.open().then(function(e){
console.log(e);
}, function(err){
$window.alert(err);
});
console.log(IndexedDb.findAll());
}));
});
Would you advise me how test if function open in IndexedDb service create IndexedDb and add rows. And next I function open in IndexedDB service return all that records?
I don't know why, but in this test db is not created console.log(IndexedDb.findAll()); print: Promise{$$state: Object{status: 2, value: 'IndexDB is not opened yet!'}}
So Db is not created.
And next how use expect(..).toEqual() or something this in returned promises?

Let's have the service:
/*global window: false */
'use strict';
angular.module('main')
.config(['$provide', function ($provide) {
$provide.constant('indexedDB', window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB);
}])
.service('idb', function idbService($q, $rootScope, indexedDB) {
var service = this;
var db;
service.open = function () {
console.log('idb.open');
var deferred = $q.defer();
var request = indexedDB.open('mydb', 1);
request.onupgradeneeded = function (e) {
console.log('idb.open onupgradeneeded');
db = e.target.result;
if (!db.objectStoreNames.contains('mystore')) {
db.createObjectStore('mystore', {
keyPath: 'id'
});
}
};
request.onsuccess = function (e) {
console.log('idb.open onsuccess');
db = e.target.result;
deferred.resolve();
$rootScope.$apply(); // Propagate promise resolution to 'then' functions using $apply().
};
request.onerror = function (e) {
console.log('idb.open onerror ', e);
deferred.reject();
};
return deferred.promise;
};
service.put = function (key, value) {
console.log('idb.put(' + key + ', ' + value + ')');
var deferred = $q.defer();
var store = db.transaction(['mystore'], 'readwrite').objectStore('mystore');
var request = store.put({
id: key,
data: value
});
request.onsuccess = function () {
console.log('idb.put onsuccess');
deferred.resolve();
$rootScope.$apply(); // Propagate promise resolution to 'then' functions using $apply().
};
request.onerror = function (e) {
console.log('idb.put onerror ', e);
deferred.reject(e);
};
return deferred.promise;
};
service.get = function (key) {
console.log('idb.get' + '(' + key + ')');
var deferred = $q.defer();
var store = db.transaction(['mystore'], 'readwrite').objectStore('mystore');
var request = store.get(key);
request.onsuccess = function (e) {
console.log('idb.get onsuccess ', e.target.result);
deferred.resolve(e.target.result.data);
$rootScope.$apply(); // Propagate promise resolution to 'then' functions using $apply().
};
request.onerror = function (e) {
console.log('idb.get onerror', e);
deferred.reject(e);
};
return deferred.promise;
};
});
Test can be:
'use strict';
describe('idb', function () {
beforeEach(module('main'));
var idb;
var idbOpened;
beforeEach(angular.mock.inject(function (_idb_) {
idb = _idb_;
}));
beforeEach(function (done) {
idbOpened = false;
console.log(1);
idb.open().then(function () {
console.log(3);
idbOpened = true;
done();
})
console.log(2);
});
it('opens', function () {
expect(idbOpened).toBe(true);
console.log(4);
});
it('gets the put', function (done) {
console.log(10);
idb.put('666', 'bob').then(function () {
console.log(12);
idb.get('666').then(function (value) {
console.log(13);
expect(value).toBe('bob');
done();
console.log(14);
})
})
console.log(11);
});
});
Test output would be then:
LOG: 1
LOG: 'idb.open'
LOG: 2
LOG: 'idb.open onsuccess'
LOG: 3
LOG: 4
LOG: 1
LOG: 'idb.open'
LOG: 2
LOG: 'idb.open onsuccess'
LOG: 3
LOG: 10
LOG: 'idb.put(666, bob)'
LOG: 11
LOG: 'idb.put onsuccess'
LOG: 12
LOG: 'idb.get(666)'
LOG: 'idb.get onsuccess ', Object{id: '666', data: 'bob'}
LOG: 13
LOG: 14
Ugly stuff is a need to call
$rootScope.$apply();
to propagate promise resolution to 'then' functions in the test, because
it is not needed for the service itself.

WEBRTC remote video stops streaming after 2 seconds

I am facing a very weird behavior with this WEBRTC peer to peer app. the app would stream audio form one peer to the other, but when it comes to stream video, it actually stream video but just for the first 2 seconds, then it would stop streaming video, but the audio continues to stream. Here is some of the code that handles the remote video:
var webrtc_capable = true;
var rtc_peer_connection = null;
var rtc_session_description = null;
var get_user_media = null;
var connect_stream_to_src = null;
var stun_server = null;
if (navigator.getUserMedia) {
rtc_peer_connection = RTCPeerConnection;
rtc_session_description = RTCSessionDescription;
get_user_media = navigator.getUserMedia.bind(navigator);
connect_stream_to_src = function(media_stream, media_element) {
media_element.srcObject = window.URL.createObjectURL(media_stream);
media_element.play();
};
} else if (navigator.mozGetUserMedia) {
rtc_peer_connection = mozRTCPeerConnection;
rtc_session_description = mozRTCSessionDescription;
get_user_media = navigator.mozGetUserMedia.bind(navigator);
connect_stream_to_src = function(media_stream, media_element) {
media_element.srcObject = window.URL.createObjectURL(media_stream);
media_element.play();
};
stun_server = null;
} else if (navigator.webkitGetUserMedia) {
rtc_peer_connection = webkitRTCPeerConnection;
rtc_session_description = RTCSessionDescription;
get_user_media = navigator.webkitGetUserMedia.bind(navigator);
connect_stream_to_src = function(media_stream, media_element) {
media_element.src = webkitURL.createObjectURL(media_stream);
};
} else {
alert("This browser does not support WebRTC - visit WebRTC.org for more info");
webrtc_capable = false;
}
</script>
<script>
var call_token;
var signaling_server;
var peer_connection;
function start() {
// create the WebRTC peer connection object
peer_connection = new rtc_peer_connection({
"iceServers": [ // information about ice servers
{ "url": "stun:"+stun_server },
]
});
// generic handler that sends any ice candidates to the other peer
peer_connection.onicecandidate = function (ice_event) {
console.log(ice_event.candidate);
if (ice_event.candidate){
console.log("true");
}
if (ice_event.candidate) {
signaling_server.send(
JSON.stringify({
token:call_token,
type: "new_ice_candidate",
candidate: ice_event.candidate ,
})
);
}
};
peer_connection.onaddstream = function (event) {
var video = document.querySelector("#remote_video");
video.src = webkitURL.createObjectURL(event.stream);
document.getElementById("loading_state").style.display = "none";
document.getElementById("open_call_state").style.display = "block";
};
setup_video();
signaling_server = new WebSocket("ws://localhost:1234");
if (document.location.hash === "" || document.location.hash === undefined) {
var token = Date.now()+"-"+Math.round(Math.random()*10000);
call_token = "#"+token;
document.location.hash = token;
signaling_server.onopen = function() {
signaling_server.onmessage = caller_signal_handler;
signaling_server.send(
JSON.stringify({
token:call_token,
type:"join",
})
);
}
document.title = "You are the Caller";
document.getElementById("loading_state").innerHTML = "Ready for a call...ask your friend to visit:<br/><br/>"+document.location;
} else { // you have a hash fragment so you must be the Callee
// get the unique token for this call from location.hash
call_token = document.location.hash;
signaling_server.onopen = function() {
// setup caller signal handler
signaling_server.onmessage = callee_signal_handler;
// tell the signaling server you have joined the call
signaling_server.send(
JSON.stringify({
token:call_token,
type:"join",
})
);
// let the caller know you have arrived so they can start the call
signaling_server.send(
JSON.stringify({
token:call_token,
type:"callee_arrived",
})
);
}
document.title = "You are the Callee";
document.getElementById("loading_state").innerHTML = "One moment please...connecting your call...";
}
// setup message bar handlers
document.getElementById("message_input").onkeydown = send_chat_message;
document.getElementById("message_input").onfocus = function() { this.value = ""; }
}
// handler to process new descriptions
function new_description_created(description) {
peer_connection.setLocalDescription(
description,
function () {
signaling_server.send(
JSON.stringify({
token:call_token,
type:"new_description",
sdp:description
})
);
},
log_error
);
}
// handle signals as a caller
function caller_signal_handler(event) {
var signal = JSON.parse(event.data);
if (signal.type === "callee_arrived") {
peer_connection.createOffer(
new_description_created,
log_error
);
} else if (signal.type === "new_ice_candidate") {
peer_connection.addIceCandidate(new RTCIceCandidate(signal.candidate));
} else if (signal.type === "new_description") {
peer_connection.setRemoteDescription(
new rtc_session_description(signal.sdp),
function () {
if (peer_connection.remoteDescription.type == "answer") {
peer_connection.createOffer(new_description_created, log_error);
}
},
log_error
);
} else if (signal.type === "new_chat_message") {
add_chat_message(signal);
} else {
// extend with your own signal types here
}
}
// handle signals as a callee
function callee_signal_handler(event) {
var signal = JSON.parse(event.data);
if (signal.type === "new_ice_candidate") {
peer_connection.addIceCandidate(
new RTCIceCandidate(signal.candidate)
);
} else if (signal.type === "new_description") {
peer_connection.setRemoteDescription(
new rtc_session_description(signal.sdp),
function () {
if (peer_connection.remoteDescription.type == "offer") {
peer_connection.createAnswer(new_description_created, log_error);
}
},
log_error
);
} else if (signal.type === "new_chat_message") {
add_chat_message(signal);
} else {
// extend with your own signal types here
}
}
// add new chat message to messages list
function add_chat_message(signal) {
var messages = document.getElementById("messages");
var user = signal.user || "them";
messages.innerHTML = user+": "+signal.message+"<br/>\n"+messages.innerHTML;
}
// send new chat message to the other browser
function send_chat_message(e) {
if (e.keyCode == 13) {
var new_message = this.value;
this.value = "";
signaling_server.send(
JSON.stringify({
token:call_token,
type: "new_chat_message",
message: new_message
})
);
add_chat_message({ user: "you", message: new_message });
}
}
// setup stream from the local camera
function setup_video() {
get_user_media(
{
"audio": true, // request access to local microphone
"video": true // request access to local camera
},
function (local_stream) {
<video> MediaElement
connect_stream_to_src(local_stream, document.getElementById("local_video"));
peer_connection.addStream(local_stream);
},
log_error
);
}
function log_error(error) {
console.log(error);
}
</script>
Additional Info:
Windows 8 x64
opera version is 27.0.1689.76
Localvideo plays fine
This call is between two peers on the same network(no nat traversal)