/* global describe, it, before, after */

import superagent from 'superagent';

import sinon from 'sinon';

import nock from 'nock';

import assert from 'assert';

import Networking from '../../src/networking';

import { del, get, post } from '../../src/networking/modules/web-node';

import { keepAlive, proxy } from '../../src/networking/modules/node';

describe('keep-alive agent', () => {

before(() => nock.disableNetConnect());

after(() => nock.enableNetConnect());

const setupNetwork = (shouldSecure, enableKeepAlive) => {

const config = { origin: 'ps.pndsn.com', secure: shouldSecure, keepAlive: enableKeepAlive, logVerbosity: false };

const networking = new Networking({ keepAlive, del, get, post, proxy });

networking.init(config);

return networking;

};

it('should not create if \'keepAlive\' is \'false\'', () => {

const networking = setupNetwork(false, false);

const superagentGetSpy = sinon.spy(superagent, 'get');

networking.GET({}, { url: '/time/0', headers: {} }, () => {});

assert(superagentGetSpy.called, 'superagent not called with get');

assert(superagentGetSpy.returnValues[0], 'request instance not created');

assert(!superagentGetSpy.returnValues[0]._agent, 'keep-alive agent should not be created');

superagentGetSpy.restore();

});

it('should create agent for insecure connection', () => {

const networking = setupNetwork(false, true);

const superagentGetSpy = sinon.spy(superagent, 'get');

networking.GET({}, { url: '/time/0', headers: {} }, () => {});

assert(superagentGetSpy.returnValues[0]._agent, 'keep-alive agent not created');

assert(superagentGetSpy.returnValues[0]._agent.defaultPort !== 443, 'keep-alive agent should access TLS (80) port');

superagentGetSpy.restore();

});

it('should re-use created agent for insecure connection', () => {

const networking = setupNetwork(false, true);

const superagentGetSpy = sinon.spy(superagent, 'get');

networking.GET({}, { url: '/time/0', headers: {} }, () => {});

networking.GET({}, { url: '/time/0', headers: {} }, () => {});

assert(superagentGetSpy.returnValues[0]._agent === superagentGetSpy.returnValues[1]._agent, 'same user-agent should be used');

superagentGetSpy.restore();

});

it('should create agent for secure connection', () => {

const networking = setupNetwork(true, true);

const superagentGetSpy = sinon.spy(superagent, 'get');

networking.GET({}, { url: '/time/0', headers: {} }, () => {});

assert(superagentGetSpy.returnValues[0]._agent, 'keep-alive agent not created');

assert(superagentGetSpy.returnValues[0]._agent.defaultPort === 443, 'keep-alive agent should access SSL (443) port');

superagentGetSpy.restore();

});

it('should re-use created agent for secure connection', () => {

const networking = setupNetwork(true, true);

const superagentGetSpy = sinon.spy(superagent, 'get');

networking.GET({}, { url: '/time/0', headers: {} }, () => {});

networking.GET({}, { url: '/time/0', headers: {} }, () => {});

assert(superagentGetSpy.returnValues[0]._agent === superagentGetSpy.returnValues[1]._agent, 'same user-agent should be used');

superagentGetSpy.restore();

});

});