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node-spearhead/test/integration/helpers.js

271 lines
7.8 KiB
JavaScript

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/*
* Copyright (c) 2015, Joyent, Inc.
*/
/*
* Test helpers for the integration tests
*/
var error = console.error;
var assert = require('assert-plus');
var f = require('util').format;
var path = require('path');
var tabula = require('tabula');
var common = require('../../lib/common');
var mod_triton = require('../../');
var testcommon = require('../lib/testcommon');
var CONFIG;
var configPath = process.env.TRITON_TEST_CONFIG
? path.resolve(process.cwd(), process.env.TRITON_TEST_CONFIG)
: path.resolve(__dirname, '..', 'config.json');
try {
CONFIG = require(configPath);
assert.object(CONFIG, configPath);
if (CONFIG.profile && CONFIG.profileName) {
throw new Error(
'cannot specify both "profile" and "profileName" in ' +
configPath);
} else if (CONFIG.profile) {
assert.string(CONFIG.profile.url, 'CONFIG.profile.url');
assert.string(CONFIG.profile.account, 'CONFIG.profile.account');
assert.string(CONFIG.profile.keyId, 'CONFIG.profile.keyId');
assert.optionalBool(CONFIG.profile.insecure,
'CONFIG.profile.insecure');
} else if (CONFIG.profileName) {
CONFIG.profile = mod_triton.loadProfile({
configDir: path.join(process.env.HOME, '.triton'),
name: CONFIG.profileName
});
} else {
throw new Error('one of "profile" or "profileName" must be defined ' +
'in ' + configPath);
}
assert.optionalBool(CONFIG.allowWriteActions,
'test/config.json#allowWriteActions');
} catch (e) {
error('* * *');
error('node-triton integration tests require a config file. By default');
error('it looks for "test/config.json". Or you can set the');
error('TRITON_TEST_CONFIG envvar. E.g.:');
error('');
error(' TRITON_TEST_CONFIG=test/coal.json make test');
error('');
error('See "test/config.json.sample" for a starting point for a config.');
error('');
error('Warning: This test suite will create machines, images, etc. ');
error('using this CloudAPI and account. While it will do its best');
error('to clean up all resources, running the test suite against');
error('a public cloud could *cost* you money. :)');
error('* * *');
throw e;
}
if (CONFIG.profile.insecure === undefined)
CONFIG.profile.insecure = false;
if (CONFIG.allowWriteActions === undefined)
CONFIG.allowWriteActions = false;
var TRITON = [process.execPath, path.resolve(__dirname, '../../bin/triton')];
var UA = 'node-triton-test';
var LOG = require('../lib/log');
/*
* Call the `triton` CLI with the given args.
*
* @param args {String|Array} Required. CLI arguments to `triton ...` (without
* the "triton"). This can be an array of args, or a string.
* @param opts {Object} Optional.
* - opts.cwd {String} cwd option to exec.
* @param cb {Function}
*/
function triton(args, opts, cb) {
var command = [].concat(TRITON).concat(args);
if (typeof (args) === 'string')
command = command.join(' ');
if (cb === undefined) {
cb = opts;
opts = {};
}
assert.object(opts, 'opts');
assert.optionalString(opts.cwd, 'opts.cwd');
assert.func(cb, 'cb');
testcommon.execPlus({
command: command,
execOpts: {
maxBuffer: Infinity,
env: {
PATH: process.env.PATH,
HOME: process.env.HOME,
SSH_AUTH_SOCK: process.env.SSH_AUTH_SOCK,
TRITON_PROFILE: 'env',
TRITON_URL: CONFIG.profile.url,
TRITON_ACCOUNT: CONFIG.profile.account,
TRITON_KEY_ID: CONFIG.profile.keyId,
TRITON_TLS_INSECURE: CONFIG.profile.insecure
},
cwd: opts.cwd
},
log: LOG
}, cb);
}
/*
* `triton ...` wrapper that:
* - tests non-error exit
* - tests stderr is empty
*
* @param {Tape} t - tape test object
* @param {Object|Array} opts - options object, or just the `triton` args
* @param {Function} cb - `function (err, stdout)`
*/
function safeTriton(t, opts, cb) {
assert.object(t, 't');
if (Array.isArray(opts)) {
opts = {args: opts};
}
assert.object(opts, 'opts');
assert.arrayOfString(opts.args, 'opts.args');
assert.optionalBool(opts.json, 'opts.json');
assert.func(cb, 'cb');
t.comment(f('running: triton %s', opts.args.join(' ')));
triton(opts.args, function (err, stdout, stderr) {
t.error(err, 'no error running child process');
t.equal(stderr, '', 'no stderr produced');
if (opts.json) {
try {
stdout = JSON.parse(stdout);
} catch (e) {
t.fail('failed to parse JSON');
return;
}
}
cb(err, stdout);
});
}
/*
* Find and return an image that can be used for test provisions. We look
* for an available base or minimal image.
*
* @param {Tape} t - tape test object
* @param {Function} cb - `function (err, imgId)`
* where `imgId` is an image identifier (an image name, shortid, or id).
*/
function getTestImg(t, cb) {
if (CONFIG.image) {
t.ok(CONFIG.image, 'image from config: ' + CONFIG.image);
cb(null, CONFIG.image);
return;
}
var candidateImageNames = {
'base-64-lts': true,
'base-64': true,
'minimal-64': true,
'base-32-lts': true,
'base-32': true,
'minimal-32': true,
'base': true
};
safeTriton(t, ['img', 'ls', '-j'], function (err, stdout) {
var imgId;
var imgs = jsonStreamParse(stdout);
// Newest images first.
tabula.sortArrayOfObjects(imgs, ['-published_at']);
var imgRepr;
for (var i = 0; i < imgs.length; i++) {
var img = imgs[i];
if (candidateImageNames[img.name]) {
imgId = img.id;
imgRepr = f('%s@%s', img.name, img.version);
break;
}
}
t.ok(imgId, f('latest available base/minimal image: %s (%s)',
imgId, imgRepr));
cb(err, imgId);
});
}
/*
* Find and return an package that can be used for test provisions.
*
* @param {Tape} t - tape test object
* @param {Function} cb - `function (err, pkgId)`
* where `pkgId` is an package identifier (a name, shortid, or id).
*/
function getTestPkg(t, cb) {
if (CONFIG.package) {
t.ok(CONFIG.package, 'package from config: ' + CONFIG.package);
cb(null, CONFIG.package);
return;
}
safeTriton(t, ['pkg', 'ls', '-j'], function (err, stdout) {
var pkgs = jsonStreamParse(stdout);
// Smallest RAM first.
tabula.sortArrayOfObjects(pkgs, ['memory']);
var pkgId = pkgs[0].id;
t.ok(pkgId, f('smallest (RAM) available package: %s (%s)',
pkgId, pkgs[0].name));
cb(null, pkgId);
});
}
function jsonStreamParse(s) {
var results = [];
var lines = s.trim().split('\n');
for (var i = 0; i < lines.length; i++) {
var line = lines[i].trim();
if (line) {
results.push(JSON.parse(line));
}
}
return results;
}
/*
* Create a TritonApi client using the CLI.
*/
function createClient() {
return mod_triton.createClient({
log: LOG,
profile: CONFIG.profile,
configDir: '~/.triton' // piggy-back on Triton CLI config dir
});
}
// --- exports
module.exports = {
CONFIG: CONFIG,
triton: triton,
safeTriton: safeTriton,
createClient: createClient,
getTestImg: getTestImg,
getTestPkg: getTestPkg,
jsonStreamParse: jsonStreamParse,
ifErr: testcommon.ifErr
};