var GCM = require('../src/GCM');

describe('GCM', () => {

it('can initialize', (done) => {

var args = {

apiKey: 'apiKey'

};

var gcm = new GCM(args);

expect(gcm.sender.key).toBe(args.apiKey);

done();

});

it('can throw on initializing with invalid args', (done) => {

var args = 123

expect(function() {

new GCM(args);

}).toThrow();

done();

});

it('can generate GCM Payload without expiration time', (done) => {

//Mock request data

var data = {

'alert': 'alert'

};

var pushId = 1;

var timeStamp = 1454538822113;

var timeStampISOStr = new Date(timeStamp).toISOString();

var payload = GCM.generateGCMPayload(data, pushId, timeStamp);

expect(payload.priority).toEqual('normal');

expect(payload.timeToLive).toEqual(undefined);

var dataFromPayload = payload.data;

expect(dataFromPayload.time).toEqual(timeStampISOStr);

expect(dataFromPayload['push_id']).toEqual(pushId);

var dataFromUser = JSON.parse(dataFromPayload.data);

expect(dataFromUser).toEqual(data);

done();

});

it('can generate GCM Payload with valid expiration time', (done) => {

//Mock request data

var data = {

'alert': 'alert'

};

var pushId = 1;

var timeStamp = 1454538822113;

var timeStampISOStr = new Date(timeStamp).toISOString();

var expirationTime = 1454538922113

var payload = GCM.generateGCMPayload(data, pushId, timeStamp, expirationTime);

expect(payload.priority).toEqual('normal');

expect(payload.timeToLive).toEqual(Math.floor((expirationTime - timeStamp) / 1000));

var dataFromPayload = payload.data;

expect(dataFromPayload.time).toEqual(timeStampISOStr);

expect(dataFromPayload['push_id']).toEqual(pushId);

var dataFromUser = JSON.parse(dataFromPayload.data);

expect(dataFromUser).toEqual(data);

done();

});

it('can generate GCM Payload with too early expiration time', (done) => {

//Mock request data

var data = {

'alert': 'alert'

};

var pushId = 1;

var timeStamp = 1454538822113;

var timeStampISOStr = new Date(timeStamp).toISOString();

var expirationTime = 1454538822112;

var payload = GCM.generateGCMPayload(data, pushId, timeStamp, expirationTime);

expect(payload.priority).toEqual('normal');

expect(payload.timeToLive).toEqual(0);

var dataFromPayload = payload.data;

expect(dataFromPayload.time).toEqual(timeStampISOStr);

expect(dataFromPayload['push_id']).toEqual(pushId);

var dataFromUser = JSON.parse(dataFromPayload.data);

expect(dataFromUser).toEqual(data);

done();

});

it('can generate GCM Payload with too late expiration time', (done) => {

//Mock request data

var data = {

'alert': 'alert'

};

var pushId = 1;

var timeStamp = 1454538822113;

var timeStampISOStr = new Date(timeStamp).toISOString();

var expirationTime = 2454538822113;

var payload = GCM.generateGCMPayload(data, pushId, timeStamp, expirationTime);

expect(payload.priority).toEqual('normal');

// Four week in second

expect(payload.timeToLive).toEqual(4 * 7 * 24 * 60 * 60);

var dataFromPayload = payload.data;

expect(dataFromPayload.time).toEqual(timeStampISOStr);

expect(dataFromPayload['push_id']).toEqual(pushId);

var dataFromUser = JSON.parse(dataFromPayload.data);

expect(dataFromUser).toEqual(data);

done();

});

it('can send GCM request', (done) => {

var gcm = new GCM({

apiKey: 'apiKey'

});

// Mock gcm sender

var sender = {

send: jasmine.createSpy('send')

};

gcm.sender = sender;

// Mock data

var expirationTime = 2454538822113;

var data = {

'expiration_time': expirationTime,

'data': {

'alert': 'alert'

}

}

// Mock devices

var devices = [

{

deviceToken: 'token'

}

];

gcm.send(data, devices);

expect(sender.send).toHaveBeenCalled();

var args = sender.send.calls.first().args;

// It is too hard to verify message of gcm library, we just verify tokens and retry times

expect(args[1].registrationTokens).toEqual(['token']);

expect(args[2]).toEqual(5);

done();

});

it('can slice devices', (done) => {

// Mock devices

var devices = [makeDevice(1), makeDevice(2), makeDevice(3), makeDevice(4)];

var chunkDevices = GCM.sliceDevices(devices, 3);

expect(chunkDevices).toEqual([

[makeDevice(1), makeDevice(2), makeDevice(3)],

[makeDevice(4)]

]);

done();

});

function makeDevice(deviceToken) {

return {

deviceToken: deviceToken

};

}

});