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current-kwh-cost/node_modules/proxy-from-env/test.js

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2022-11-17 16:42:35 +00:00
/* eslint max-statements:0 */
'use strict';
var assert = require('assert');
var parseUrl = require('url').parse;
var getProxyForUrl = require('./').getProxyForUrl;
// Runs the callback with process.env temporarily set to env.
function runWithEnv(env, callback) {
var originalEnv = process.env;
process.env = env;
try {
callback();
} finally {
process.env = originalEnv;
}
}
// Defines a test case that checks whether getProxyForUrl(input) === expected.
function testProxyUrl(env, expected, input) {
assert(typeof env === 'object' && env !== null);
// Copy object to make sure that the in param does not get modified between
// the call of this function and the use of it below.
env = JSON.parse(JSON.stringify(env));
var title = 'getProxyForUrl(' + JSON.stringify(input) + ')' +
' === ' + JSON.stringify(expected);
// Save call stack for later use.
var stack = {};
Error.captureStackTrace(stack, testProxyUrl);
// Only use the last stack frame because that shows where this function is
// called, and that is sufficient for our purpose. No need to flood the logs
// with an uninteresting stack trace.
stack = stack.stack.split('\n', 2)[1];
it(title, function() {
var actual;
runWithEnv(env, function() {
actual = getProxyForUrl(input);
});
if (expected === actual) {
return; // Good!
}
try {
assert.strictEqual(expected, actual); // Create a formatted error message.
// Should not happen because previously we determined expected !== actual.
throw new Error('assert.strictEqual passed. This is impossible!');
} catch (e) {
// Use the original stack trace, so we can see a helpful line number.
e.stack = e.message + stack;
throw e;
}
});
}
describe('getProxyForUrl', function() {
describe('No proxy variables', function() {
var env = {};
testProxyUrl(env, '', 'http://example.com');
testProxyUrl(env, '', 'https://example.com');
testProxyUrl(env, '', 'ftp://example.com');
});
describe('Invalid URLs', function() {
var env = {};
env.ALL_PROXY = 'http://unexpected.proxy';
testProxyUrl(env, '', 'bogus');
testProxyUrl(env, '', '//example.com');
testProxyUrl(env, '', '://example.com');
testProxyUrl(env, '', '://');
testProxyUrl(env, '', '/path');
testProxyUrl(env, '', '');
testProxyUrl(env, '', 'http:');
testProxyUrl(env, '', 'http:/');
testProxyUrl(env, '', 'http://');
testProxyUrl(env, '', 'prototype://');
testProxyUrl(env, '', 'hasOwnProperty://');
testProxyUrl(env, '', '__proto__://');
testProxyUrl(env, '', undefined);
testProxyUrl(env, '', null);
testProxyUrl(env, '', {});
testProxyUrl(env, '', {host: 'x', protocol: 1});
testProxyUrl(env, '', {host: 1, protocol: 'x'});
});
describe('http_proxy and HTTP_PROXY', function() {
var env = {};
env.HTTP_PROXY = 'http://http-proxy';
testProxyUrl(env, '', 'https://example');
testProxyUrl(env, 'http://http-proxy', 'http://example');
testProxyUrl(env, 'http://http-proxy', parseUrl('http://example'));
// eslint-disable-next-line camelcase
env.http_proxy = 'http://priority';
testProxyUrl(env, 'http://priority', 'http://example');
});
describe('http_proxy with non-sensical value', function() {
var env = {};
// Crazy values should be passed as-is. It is the responsibility of the
// one who launches the application that the value makes sense.
// TODO: Should we be stricter and perform validation?
env.HTTP_PROXY = 'Crazy \n!() { ::// }';
testProxyUrl(env, 'Crazy \n!() { ::// }', 'http://wow');
// The implementation assumes that the HTTP_PROXY environment variable is
// somewhat reasonable, and if the scheme is missing, it is added.
// Garbage in, garbage out some would say...
env.HTTP_PROXY = 'crazy without colon slash slash';
testProxyUrl(env, 'http://crazy without colon slash slash', 'http://wow');
});
describe('https_proxy and HTTPS_PROXY', function() {
var env = {};
// Assert that there is no fall back to http_proxy
env.HTTP_PROXY = 'http://unexpected.proxy';
testProxyUrl(env, '', 'https://example');
env.HTTPS_PROXY = 'http://https-proxy';
testProxyUrl(env, 'http://https-proxy', 'https://example');
// eslint-disable-next-line camelcase
env.https_proxy = 'http://priority';
testProxyUrl(env, 'http://priority', 'https://example');
});
describe('ftp_proxy', function() {
var env = {};
// Something else than http_proxy / https, as a sanity check.
env.FTP_PROXY = 'http://ftp-proxy';
testProxyUrl(env, 'http://ftp-proxy', 'ftp://example');
testProxyUrl(env, '', 'ftps://example');
});
describe('all_proxy', function() {
var env = {};
env.ALL_PROXY = 'http://catch-all';
testProxyUrl(env, 'http://catch-all', 'https://example');
// eslint-disable-next-line camelcase
env.all_proxy = 'http://priority';
testProxyUrl(env, 'http://priority', 'https://example');
});
describe('all_proxy without scheme', function() {
var env = {};
env.ALL_PROXY = 'noscheme';
testProxyUrl(env, 'http://noscheme', 'http://example');
testProxyUrl(env, 'https://noscheme', 'https://example');
// The module does not impose restrictions on the scheme.
testProxyUrl(env, 'bogus-scheme://noscheme', 'bogus-scheme://example');
// But the URL should still be valid.
testProxyUrl(env, '', 'bogus');
});
describe('no_proxy empty', function() {
var env = {};
env.HTTPS_PROXY = 'http://proxy';
// NO_PROXY set but empty.
env.NO_PROXY = '';
testProxyUrl(env, 'http://proxy', 'https://example');
// No entries in NO_PROXY (comma).
env.NO_PROXY = ',';
testProxyUrl(env, 'http://proxy', 'https://example');
// No entries in NO_PROXY (whitespace).
env.NO_PROXY = ' ';
testProxyUrl(env, 'http://proxy', 'https://example');
// No entries in NO_PROXY (multiple whitespace / commas).
env.NO_PROXY = ',\t,,,\n, ,\r';
testProxyUrl(env, 'http://proxy', 'https://example');
});
describe('no_proxy=example (single host)', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = 'example';
testProxyUrl(env, '', 'http://example');
testProxyUrl(env, '', 'http://example:80');
testProxyUrl(env, '', 'http://example:0');
testProxyUrl(env, '', 'http://example:1337');
testProxyUrl(env, 'http://proxy', 'http://sub.example');
testProxyUrl(env, 'http://proxy', 'http://prefexample');
testProxyUrl(env, 'http://proxy', 'http://example.no');
testProxyUrl(env, 'http://proxy', 'http://a.b.example');
testProxyUrl(env, 'http://proxy', 'http://host/example');
});
describe('no_proxy=sub.example (subdomain)', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = 'sub.example';
testProxyUrl(env, 'http://proxy', 'http://example');
testProxyUrl(env, 'http://proxy', 'http://example:80');
testProxyUrl(env, 'http://proxy', 'http://example:0');
testProxyUrl(env, 'http://proxy', 'http://example:1337');
testProxyUrl(env, '', 'http://sub.example');
testProxyUrl(env, 'http://proxy', 'http://no.sub.example');
testProxyUrl(env, 'http://proxy', 'http://sub-example');
testProxyUrl(env, 'http://proxy', 'http://example.sub');
});
describe('no_proxy=example:80 (host + port)', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = 'example:80';
testProxyUrl(env, '', 'http://example');
testProxyUrl(env, '', 'http://example:80');
testProxyUrl(env, '', 'http://example:0');
testProxyUrl(env, 'http://proxy', 'http://example:1337');
testProxyUrl(env, 'http://proxy', 'http://sub.example');
testProxyUrl(env, 'http://proxy', 'http://prefexample');
testProxyUrl(env, 'http://proxy', 'http://example.no');
testProxyUrl(env, 'http://proxy', 'http://a.b.example');
});
describe('no_proxy=.example (host suffix)', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '.example';
testProxyUrl(env, 'http://proxy', 'http://example');
testProxyUrl(env, 'http://proxy', 'http://example:80');
testProxyUrl(env, 'http://proxy', 'http://example:1337');
testProxyUrl(env, '', 'http://sub.example');
testProxyUrl(env, '', 'http://sub.example:80');
testProxyUrl(env, '', 'http://sub.example:1337');
testProxyUrl(env, 'http://proxy', 'http://prefexample');
testProxyUrl(env, 'http://proxy', 'http://example.no');
testProxyUrl(env, '', 'http://a.b.example');
});
describe('no_proxy=*', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '*';
testProxyUrl(env, '', 'http://example.com');
});
describe('no_proxy=*.example (host suffix with *.)', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '*.example';
testProxyUrl(env, 'http://proxy', 'http://example');
testProxyUrl(env, 'http://proxy', 'http://example:80');
testProxyUrl(env, 'http://proxy', 'http://example:1337');
testProxyUrl(env, '', 'http://sub.example');
testProxyUrl(env, '', 'http://sub.example:80');
testProxyUrl(env, '', 'http://sub.example:1337');
testProxyUrl(env, 'http://proxy', 'http://prefexample');
testProxyUrl(env, 'http://proxy', 'http://example.no');
testProxyUrl(env, '', 'http://a.b.example');
});
describe('no_proxy=*example (substring suffix)', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '*example';
testProxyUrl(env, '', 'http://example');
testProxyUrl(env, '', 'http://example:80');
testProxyUrl(env, '', 'http://example:1337');
testProxyUrl(env, '', 'http://sub.example');
testProxyUrl(env, '', 'http://sub.example:80');
testProxyUrl(env, '', 'http://sub.example:1337');
testProxyUrl(env, '', 'http://prefexample');
testProxyUrl(env, '', 'http://a.b.example');
testProxyUrl(env, 'http://proxy', 'http://example.no');
testProxyUrl(env, 'http://proxy', 'http://host/example');
});
describe('no_proxy=.*example (arbitrary wildcards are NOT supported)',
function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '.*example';
testProxyUrl(env, 'http://proxy', 'http://example');
testProxyUrl(env, 'http://proxy', 'http://sub.example');
testProxyUrl(env, 'http://proxy', 'http://sub.example');
testProxyUrl(env, 'http://proxy', 'http://prefexample');
testProxyUrl(env, 'http://proxy', 'http://x.prefexample');
testProxyUrl(env, 'http://proxy', 'http://a.b.example');
});
describe('no_proxy=[::1],[::2]:80,10.0.0.1,10.0.0.2:80 (IP addresses)',
function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '[::1],[::2]:80,10.0.0.1,10.0.0.2:80';
testProxyUrl(env, '', 'http://[::1]/');
testProxyUrl(env, '', 'http://[::1]:80/');
testProxyUrl(env, '', 'http://[::1]:1337/');
testProxyUrl(env, '', 'http://[::2]/');
testProxyUrl(env, '', 'http://[::2]:80/');
testProxyUrl(env, 'http://proxy', 'http://[::2]:1337/');
testProxyUrl(env, '', 'http://10.0.0.1/');
testProxyUrl(env, '', 'http://10.0.0.1:80/');
testProxyUrl(env, '', 'http://10.0.0.1:1337/');
testProxyUrl(env, '', 'http://10.0.0.2/');
testProxyUrl(env, '', 'http://10.0.0.2:80/');
testProxyUrl(env, 'http://proxy', 'http://10.0.0.2:1337/');
});
describe('no_proxy=127.0.0.1/32 (CIDR is NOT supported)', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '127.0.0.1/32';
testProxyUrl(env, 'http://proxy', 'http://127.0.0.1');
testProxyUrl(env, 'http://proxy', 'http://127.0.0.1/32');
});
describe('no_proxy=127.0.0.1 does NOT match localhost', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = '127.0.0.1';
testProxyUrl(env, '', 'http://127.0.0.1');
// We're not performing DNS queries, so this shouldn't match.
testProxyUrl(env, 'http://proxy', 'http://localhost');
});
describe('no_proxy with protocols that have a default port', function() {
var env = {};
env.WS_PROXY = 'http://ws';
env.WSS_PROXY = 'http://wss';
env.HTTP_PROXY = 'http://http';
env.HTTPS_PROXY = 'http://https';
env.GOPHER_PROXY = 'http://gopher';
env.FTP_PROXY = 'http://ftp';
env.ALL_PROXY = 'http://all';
env.NO_PROXY = 'xxx:21,xxx:70,xxx:80,xxx:443';
testProxyUrl(env, '', 'http://xxx');
testProxyUrl(env, '', 'http://xxx:80');
testProxyUrl(env, 'http://http', 'http://xxx:1337');
testProxyUrl(env, '', 'ws://xxx');
testProxyUrl(env, '', 'ws://xxx:80');
testProxyUrl(env, 'http://ws', 'ws://xxx:1337');
testProxyUrl(env, '', 'https://xxx');
testProxyUrl(env, '', 'https://xxx:443');
testProxyUrl(env, 'http://https', 'https://xxx:1337');
testProxyUrl(env, '', 'wss://xxx');
testProxyUrl(env, '', 'wss://xxx:443');
testProxyUrl(env, 'http://wss', 'wss://xxx:1337');
testProxyUrl(env, '', 'gopher://xxx');
testProxyUrl(env, '', 'gopher://xxx:70');
testProxyUrl(env, 'http://gopher', 'gopher://xxx:1337');
testProxyUrl(env, '', 'ftp://xxx');
testProxyUrl(env, '', 'ftp://xxx:21');
testProxyUrl(env, 'http://ftp', 'ftp://xxx:1337');
});
describe('no_proxy should not be case-sensitive', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = 'XXX,YYY,ZzZ';
testProxyUrl(env, '', 'http://xxx');
testProxyUrl(env, '', 'http://XXX');
testProxyUrl(env, '', 'http://yyy');
testProxyUrl(env, '', 'http://YYY');
testProxyUrl(env, '', 'http://ZzZ');
testProxyUrl(env, '', 'http://zZz');
});
describe('NPM proxy configuration', function() {
describe('npm_config_http_proxy should work', function() {
var env = {};
// eslint-disable-next-line camelcase
env.npm_config_http_proxy = 'http://http-proxy';
testProxyUrl(env, '', 'https://example');
testProxyUrl(env, 'http://http-proxy', 'http://example');
// eslint-disable-next-line camelcase
env.npm_config_http_proxy = 'http://priority';
testProxyUrl(env, 'http://priority', 'http://example');
});
// eslint-disable-next-line max-len
describe('npm_config_http_proxy should take precedence over HTTP_PROXY and npm_config_proxy', function() {
var env = {};
// eslint-disable-next-line camelcase
env.npm_config_http_proxy = 'http://http-proxy';
// eslint-disable-next-line camelcase
env.npm_config_proxy = 'http://unexpected-proxy';
env.HTTP_PROXY = 'http://unexpected-proxy';
testProxyUrl(env, 'http://http-proxy', 'http://example');
});
describe('npm_config_https_proxy should work', function() {
var env = {};
// eslint-disable-next-line camelcase
env.npm_config_http_proxy = 'http://unexpected.proxy';
testProxyUrl(env, '', 'https://example');
// eslint-disable-next-line camelcase
env.npm_config_https_proxy = 'http://https-proxy';
testProxyUrl(env, 'http://https-proxy', 'https://example');
// eslint-disable-next-line camelcase
env.npm_config_https_proxy = 'http://priority';
testProxyUrl(env, 'http://priority', 'https://example');
});
// eslint-disable-next-line max-len
describe('npm_config_https_proxy should take precedence over HTTPS_PROXY and npm_config_proxy', function() {
var env = {};
// eslint-disable-next-line camelcase
env.npm_config_https_proxy = 'http://https-proxy';
// eslint-disable-next-line camelcase
env.npm_config_proxy = 'http://unexpected-proxy';
env.HTTPS_PROXY = 'http://unexpected-proxy';
testProxyUrl(env, 'http://https-proxy', 'https://example');
});
describe('npm_config_proxy should work', function() {
var env = {};
// eslint-disable-next-line camelcase
env.npm_config_proxy = 'http://http-proxy';
testProxyUrl(env, 'http://http-proxy', 'http://example');
testProxyUrl(env, 'http://http-proxy', 'https://example');
// eslint-disable-next-line camelcase
env.npm_config_proxy = 'http://priority';
testProxyUrl(env, 'http://priority', 'http://example');
testProxyUrl(env, 'http://priority', 'https://example');
});
// eslint-disable-next-line max-len
describe('HTTP_PROXY and HTTPS_PROXY should take precedence over npm_config_proxy', function() {
var env = {};
env.HTTP_PROXY = 'http://http-proxy';
env.HTTPS_PROXY = 'http://https-proxy';
// eslint-disable-next-line camelcase
env.npm_config_proxy = 'http://unexpected-proxy';
testProxyUrl(env, 'http://http-proxy', 'http://example');
testProxyUrl(env, 'http://https-proxy', 'https://example');
});
describe('npm_config_no_proxy should work', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
// eslint-disable-next-line camelcase
env.npm_config_no_proxy = 'example';
testProxyUrl(env, '', 'http://example');
testProxyUrl(env, 'http://proxy', 'http://otherwebsite');
});
// eslint-disable-next-line max-len
describe('npm_config_no_proxy should take precedence over NO_PROXY', function() {
var env = {};
env.HTTP_PROXY = 'http://proxy';
env.NO_PROXY = 'otherwebsite';
// eslint-disable-next-line camelcase
env.npm_config_no_proxy = 'example';
testProxyUrl(env, '', 'http://example');
testProxyUrl(env, 'http://proxy', 'http://otherwebsite');
});
});
});