/
agents.ts
126 lines (107 loc) · 3.86 KB
/
agents.ts
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/*!
* Copyright 2019 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as assert from 'assert';
import {describe, it, afterEach} from 'mocha';
import * as http from 'http';
import * as sinon from 'sinon';
import {getAgent} from '../src/agents';
// tslint:disable-next-line variable-name
const HttpProxyAgent = require('http-proxy-agent');
// tslint:disable-next-line variable-name
const HttpsProxyAgent = require('https-proxy-agent');
describe('agents', () => {
const httpUri = 'http://example.com';
const httpsUri = 'https://example.com';
const sandbox = sinon.createSandbox();
afterEach(() => sandbox.restore());
describe('getAgent', () => {
const defaultOptions = {uri: httpUri};
it('should return undefined by default', () => {
const agent = getAgent(httpUri, defaultOptions);
assert.strictEqual(agent, undefined);
});
describe('proxy', () => {
const envVars = [
'http_proxy',
'https_proxy',
'HTTP_PROXY',
'HTTPS_PROXY',
];
describe('http', () => {
const uri = httpUri;
const proxy = 'http://hello.there:8080';
it('should respect the proxy option', () => {
const options = Object.assign({proxy}, defaultOptions);
const agent = getAgent(uri, options);
assert(agent instanceof HttpProxyAgent);
});
envVars.forEach(envVar => {
it(`should respect the ${envVar} env var`, () => {
process.env[envVar] = proxy;
const agent = getAgent(uri, defaultOptions);
assert(agent instanceof HttpProxyAgent);
delete process.env[envVar];
});
});
});
describe('https', () => {
const uri = httpsUri;
const proxy = 'https://hello.there:8080';
it('should respect the proxy option', () => {
const options = Object.assign({proxy}, defaultOptions);
const agent = getAgent(uri, options);
assert(agent instanceof HttpsProxyAgent);
});
envVars.forEach(envVar => {
it(`should respect the ${envVar} env var`, () => {
process.env[envVar] = proxy;
const agent = getAgent(uri, defaultOptions);
assert(agent instanceof HttpsProxyAgent);
delete process.env[envVar];
});
});
});
});
describe('forever', () => {
describe('http', () => {
const uri = httpUri;
const options = Object.assign({forever: true}, defaultOptions);
it('should return an http Agent', () => {
const agent = getAgent(uri, options)!;
assert(agent instanceof http.Agent);
});
it('should cache the agent', () => {
const agent1 = getAgent(uri, options);
const agent2 = getAgent(uri, options);
assert.strictEqual(agent1, agent2);
});
});
describe('https', () => {
const uri = httpUri;
const options = Object.assign({forever: true}, defaultOptions);
it('should return an http Agent', () => {
const agent = getAgent(uri, options)!;
assert(agent instanceof http.Agent);
});
it('should cache the agent', () => {
const agent1 = getAgent(uri, options);
const agent2 = getAgent(uri, options);
assert.strictEqual(agent1, agent2);
});
});
});
});
});