diff options
author | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
commit | abd94a7f5a50f43c797a11b53549ae48fff667c3 (patch) | |
tree | ab8ed457f65cdd72e13e0571d2975729428f1551 /node_modules/flagged-respawn | |
parent | a0247c6a3fd6a09a41a7e35a3441324c4dcb58be (diff) | |
download | wallet-core-abd94a7f5a50f43c797a11b53549ae48fff667c3.tar.xz |
add node_modules to address #4364
Diffstat (limited to 'node_modules/flagged-respawn')
-rw-r--r-- | node_modules/flagged-respawn/.npmignore | 1 | ||||
-rw-r--r-- | node_modules/flagged-respawn/.travis.yml | 9 | ||||
-rw-r--r-- | node_modules/flagged-respawn/LICENSE | 22 | ||||
-rw-r--r-- | node_modules/flagged-respawn/README.md | 58 | ||||
-rw-r--r-- | node_modules/flagged-respawn/index.js | 18 | ||||
-rw-r--r-- | node_modules/flagged-respawn/lib/reorder.js | 16 | ||||
-rw-r--r-- | node_modules/flagged-respawn/lib/respawn.js | 15 | ||||
-rw-r--r-- | node_modules/flagged-respawn/package.json | 105 | ||||
-rw-r--r-- | node_modules/flagged-respawn/test/bin/exit_code.js | 13 | ||||
-rw-r--r-- | node_modules/flagged-respawn/test/bin/respawner.js | 17 | ||||
-rw-r--r-- | node_modules/flagged-respawn/test/bin/signal.js | 16 | ||||
-rw-r--r-- | node_modules/flagged-respawn/test/index.js | 99 |
12 files changed, 389 insertions, 0 deletions
diff --git a/node_modules/flagged-respawn/.npmignore b/node_modules/flagged-respawn/.npmignore new file mode 100644 index 000000000..a1dca7a54 --- /dev/null +++ b/node_modules/flagged-respawn/.npmignore @@ -0,0 +1 @@ +*.flags.json diff --git a/node_modules/flagged-respawn/.travis.yml b/node_modules/flagged-respawn/.travis.yml new file mode 100644 index 000000000..e37da77f8 --- /dev/null +++ b/node_modules/flagged-respawn/.travis.yml @@ -0,0 +1,9 @@ +language: node_js +node_js: + - "0.8" + - "0.10" + - "0.11" +matrix: + fast_finish: true + allow_failures: + - node_js: 0.11 diff --git a/node_modules/flagged-respawn/LICENSE b/node_modules/flagged-respawn/LICENSE new file mode 100644 index 000000000..a55f5b74b --- /dev/null +++ b/node_modules/flagged-respawn/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) 2014 Tyler Kellen + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/node_modules/flagged-respawn/README.md b/node_modules/flagged-respawn/README.md new file mode 100644 index 000000000..a431fe36e --- /dev/null +++ b/node_modules/flagged-respawn/README.md @@ -0,0 +1,58 @@ +# flagged-respawn [![Build Status](https://secure.travis-ci.org/js-cli/js-flagged-respawn.svg)](http://travis-ci.org/js-cli/js-flagged-respawn) +> A tool for respawning node binaries when special flags are present. + +[![NPM](https://nodei.co/npm/flagged-respawn.png)](https://nodei.co/npm/flagged-respawn/) + +## What is it? + +Say you wrote a command line tool that runs arbitrary javascript (e.g. task runner, test framework, etc). For the sake of discussion, let's pretend it's a testing harness you've named `testify`. + +Everything is going splendidly until one day you decide to test some code that relies on a feature behind a v8 flag in node (`--harmony`, for example). Without much thought, you run `testify --harmony spec tests.js`. + +It doesn't work. After digging around for a bit, you realize this produces a [`process.argv`](http://nodejs.org/docs/latest/api/process.html#process_process_argv) of: + +`['node', '/usr/local/bin/test', '--harmony', 'spec', 'tests.js']` + +Crap. The `--harmony` flag is in the wrong place! It should be applied to the **node** command, not our binary. What we actually wanted was this: + +`['node', '--harmony', '/usr/local/bin/test', 'spec', 'tests.js']` + +Flagged-respawn fixes this problem and handles all the edge cases respawning creates, such as: +- Providing a method to determine if a respawn is needed. +- Piping stderr/stdout from the child into the parent. +- Making the parent process exit with the same code as the child. +- If the child is killed, making the parent exit with the same signal. + +To see it in action, clone this repository and run `npm install` / `npm run respawn` / `npm run nospawn`. + +## Sample Usage + +```js +#!/usr/bin/env node + +const flaggedRespawn = require('flagged-respawn'); + +// get a list of all possible v8 flags for the running version of node +const v8flags = require('v8flags').fetch(); + +flaggedRespawn(v8flags, process.argv, function (ready, child) { + if (ready) { + console.log('Running!'); + // your cli code here + } else { + console.log('Special flags found, respawning.'); + } + if (process.pid !== child.pid) { + console.log('Respawned to PID:', child.pid); + } +}); + +``` + +## Release History + +* 2016-03-22 - v0.3.2 - fix issue with v8 flags values being dropped +* 2014-09-12 - v0.3.1 - use `{ stdio: 'inherit' }` for spawn to maintain colors +* 2014-09-11 - v0.3.0 - for real this time +* 2014-09-11 - v0.2.0 - cleanup +* 2014-09-04 - v0.1.1 - initial release diff --git a/node_modules/flagged-respawn/index.js b/node_modules/flagged-respawn/index.js new file mode 100644 index 000000000..b1234003e --- /dev/null +++ b/node_modules/flagged-respawn/index.js @@ -0,0 +1,18 @@ +const reorder = require('./lib/reorder'); +const respawn = require('./lib/respawn'); + +module.exports = function (flags, argv, execute) { + if (!flags) { + throw new Error('You must specify flags to respawn with.'); + } + if (!argv) { + throw new Error('You must specify an argv array.'); + } + var proc = process; + var reordered = reorder(flags, argv); + var ready = JSON.stringify(argv) === JSON.stringify(reordered); + if (!ready) { + proc = respawn(reordered); + } + execute(ready, proc); +}; diff --git a/node_modules/flagged-respawn/lib/reorder.js b/node_modules/flagged-respawn/lib/reorder.js new file mode 100644 index 000000000..556a7d13b --- /dev/null +++ b/node_modules/flagged-respawn/lib/reorder.js @@ -0,0 +1,16 @@ +module.exports = function (flags, argv) { + if (!argv) { + argv = process.argv; + } + var args = [argv[1]]; + argv.slice(2).forEach(function (arg) { + var flag = arg.split('=')[0]; + if (flags.indexOf(flag) !== -1) { + args.unshift(arg); + } else { + args.push(arg); + } + }); + args.unshift(argv[0]); + return args; +}; diff --git a/node_modules/flagged-respawn/lib/respawn.js b/node_modules/flagged-respawn/lib/respawn.js new file mode 100644 index 000000000..086585300 --- /dev/null +++ b/node_modules/flagged-respawn/lib/respawn.js @@ -0,0 +1,15 @@ +const spawn = require('child_process').spawn; + +module.exports = function (argv) { + var child = spawn(argv[0], argv.slice(1), { stdio: 'inherit' }); + child.on('exit', function (code, signal) { + process.on('exit', function () { + if (signal) { + process.kill(process.pid, signal); + } else { + process.exit(code); + } + }); + }); + return child; +}; diff --git a/node_modules/flagged-respawn/package.json b/node_modules/flagged-respawn/package.json new file mode 100644 index 000000000..f05d4e3dd --- /dev/null +++ b/node_modules/flagged-respawn/package.json @@ -0,0 +1,105 @@ +{ + "_args": [ + [ + { + "raw": "flagged-respawn@^0.3.2", + "scope": null, + "escapedName": "flagged-respawn", + "name": "flagged-respawn", + "rawSpec": "^0.3.2", + "spec": ">=0.3.2 <0.4.0", + "type": "range" + }, + "/home/dold/repos/taler/wallet-webex/node_modules/liftoff" + ] + ], + "_from": "flagged-respawn@>=0.3.2 <0.4.0", + "_id": "flagged-respawn@0.3.2", + "_inCache": true, + "_location": "/flagged-respawn", + "_nodeVersion": "0.12.12", + "_npmOperationalInternal": { + "host": "packages-12-west.internal.npmjs.com", + "tmp": "tmp/flagged-respawn-0.3.2.tgz_1458638775261_0.252670707879588" + }, + "_npmUser": { + "name": "tusbar", + "email": "b@pk.am" + }, + "_npmVersion": "2.14.9", + "_phantomChildren": {}, + "_requested": { + "raw": "flagged-respawn@^0.3.2", + "scope": null, + "escapedName": "flagged-respawn", + "name": "flagged-respawn", + "rawSpec": "^0.3.2", + "spec": ">=0.3.2 <0.4.0", + "type": "range" + }, + "_requiredBy": [ + "/liftoff" + ], + "_resolved": "https://registry.npmjs.org/flagged-respawn/-/flagged-respawn-0.3.2.tgz", + "_shasum": "ff191eddcd7088a675b2610fffc976be9b8074b5", + "_shrinkwrap": null, + "_spec": "flagged-respawn@^0.3.2", + "_where": "/home/dold/repos/taler/wallet-webex/node_modules/liftoff", + "author": { + "name": "Tyler Kellen", + "url": "http://goingslowly.com/" + }, + "bugs": { + "url": "https://github.com/js-cli/js-flagged-respawn/issues" + }, + "dependencies": {}, + "description": "A tool for respawning node binaries when special flags are present.", + "devDependencies": { + "chai": "~1.9.1", + "mocha": "~1.21.4", + "v8flags": "~1.0.1" + }, + "directories": {}, + "dist": { + "shasum": "ff191eddcd7088a675b2610fffc976be9b8074b5", + "tarball": "https://registry.npmjs.org/flagged-respawn/-/flagged-respawn-0.3.2.tgz" + }, + "engines": { + "node": ">= 0.8.0" + }, + "gitHead": "5467529adb5512292c8dd341691ba75b2293ed7e", + "homepage": "https://github.com/js-cli/js-flagged-respawn", + "keywords": [ + "respawn flags" + ], + "licenses": [ + { + "type": "MIT", + "url": "https://github.com/js-cli/js-flagged-respawn/blob/master/LICENSE" + } + ], + "main": "index.js", + "maintainers": [ + { + "name": "tkellen", + "email": "tyler@sleekcode.net" + }, + { + "name": "tusbar", + "email": "b@pk.am" + } + ], + "name": "flagged-respawn", + "optionalDependencies": {}, + "readme": "ERROR: No README data found!", + "repository": { + "type": "git", + "url": "git://github.com/js-cli/js-flagged-respawn.git" + }, + "scripts": { + "nospawn": "node test/bin/respawner test", + "respawn": "node test/bin/respawner --harmony test", + "test": "mocha -R spec test" + }, + "version": "0.3.2" +} diff --git a/node_modules/flagged-respawn/test/bin/exit_code.js b/node_modules/flagged-respawn/test/bin/exit_code.js new file mode 100644 index 000000000..f2fff2d52 --- /dev/null +++ b/node_modules/flagged-respawn/test/bin/exit_code.js @@ -0,0 +1,13 @@ +#!/usr/bin/env node + +const flaggedRespawn = require('../../'); + +flaggedRespawn(['--harmony'], process.argv, function (ready) { + + if (ready) { + setTimeout(function () { + process.exit(100); + }, 100); + } + +}); diff --git a/node_modules/flagged-respawn/test/bin/respawner.js b/node_modules/flagged-respawn/test/bin/respawner.js new file mode 100644 index 000000000..71348ba67 --- /dev/null +++ b/node_modules/flagged-respawn/test/bin/respawner.js @@ -0,0 +1,17 @@ +#!/usr/bin/env node + +const flaggedRespawn = require('../../'); + +// get a list of all possible v8 flags for the running version of node +const v8flags = require('v8flags').fetch(); + +flaggedRespawn(v8flags, process.argv, function (ready, child) { + if (ready) { + console.log('Running!'); + } else { + console.log('Special flags found, respawning.'); + } + if (child.pid !== process.pid) { + console.log('Respawned to PID:', child.pid); + } +}); diff --git a/node_modules/flagged-respawn/test/bin/signal.js b/node_modules/flagged-respawn/test/bin/signal.js new file mode 100644 index 000000000..f4a1edf1a --- /dev/null +++ b/node_modules/flagged-respawn/test/bin/signal.js @@ -0,0 +1,16 @@ +#!/usr/bin/env node + +const flaggedRespawn = require('../../'); + +flaggedRespawn(['--harmony'], process.argv, function (ready, child) { + + if (ready) { + setTimeout(function() { + process.exit(); + }, 100); + } else { + console.log('got child!'); + child.kill('SIGHUP'); + } + +}); diff --git a/node_modules/flagged-respawn/test/index.js b/node_modules/flagged-respawn/test/index.js new file mode 100644 index 000000000..d83fce3aa --- /dev/null +++ b/node_modules/flagged-respawn/test/index.js @@ -0,0 +1,99 @@ +const expect = require('chai').expect; +const exec = require('child_process').exec; + +const reorder = require('../lib/reorder'); +const flaggedRespawn = require('../'); + +describe('flaggedRespawn', function () { + var flags = ['--harmony', '--use_strict', '--stack_size'] + + describe('reorder', function () { + + it('should re-order args, placing special flags first', function () { + var needsRespawn = ['node', 'file.js', '--flag', '--harmony', 'command']; + var noRespawnNeeded = ['node', 'bin/flagged-respawn', 'thing']; + expect(reorder(flags, needsRespawn)) + .to.deep.equal(['node', '--harmony', 'file.js', '--flag', 'command']); + expect(reorder(flags, noRespawnNeeded)) + .to.deep.equal(noRespawnNeeded); + }); + + it('should keep flags values when not placed first', function () { + var args = ['node', 'file.js', '--stack_size=2048']; + var expected = ['node', '--stack_size=2048', 'file.js']; + expect(reorder(flags, args)).to.deep.equal(expected); + }); + + it('should ignore special flags when they are in the correct position', function () { + var args = ['node', '--harmony', 'file.js', '--flag']; + expect(reorder(flags, reorder(flags, args))).to.deep.equal(args); + }); + + }); + + describe('execute', function () { + + it('should throw if no flags are specified', function () { + expect(function () { flaggedRespawn.execute(); }).to.throw; + }); + + it('should throw if no argv is specified', function () { + expect(function () { flaggedRespawn.execute(flags); }).to.throw; + }); + + it('should respawn and pipe stderr/stdout to parent', function (done) { + exec('node ./test/bin/respawner.js --harmony', function (err, stdout, stderr) { + expect(stdout.replace(/[0-9]/g, '')).to.equal('Special flags found, respawning.\nRespawned to PID: \nRunning!\n'); + done(); + }); + }); + + it('should respawn and pass exit code from child to parent', function (done) { + exec('node ./test/bin/exit_code.js --harmony', function (err, stdout, stderr) { + expect(err.code).to.equal(100); + done(); + }); + }); + + it.skip('should respawn; if child is killed, parent should exit with same signal', function (done) { + // TODO: figure out why travis hates this + exec('node ./test/bin/signal.js --harmony', function (err, stdout, stderr) { + console.log('err', err); + console.log('stdout', stdout); + console.log('stderr', stderr); + expect(err.signal).to.equal('SIGHUP'); + done(); + }); + }); + + it('should call back with ready as true when respawn is not needed', function () { + var argv = ['node', './test/bin/respawner']; + flaggedRespawn(flags, argv, function (ready) { + expect(ready).to.be.true; + }); + }); + + it('should call back with ready as false when respawn is needed', function () { + var argv = ['node', './test/bin/respawner', '--harmony']; + flaggedRespawn(flags, argv, function (ready) { + expect(ready).to.be.false; + }); + }); + + it('should call back with the child process when ready', function () { + var argv = ['node', './test/bin/respawner', '--harmony']; + flaggedRespawn(flags, argv, function (ready, child) { + expect(child.pid).to.not.equal(process.pid); + }); + }); + + it('should call back with own process when respawn not needed', function () { + var argv = ['node', './test/bin/respawner']; + flaggedRespawn(flags, argv, function (ready, child) { + expect(child.pid).to.equal(process.pid); + }); + }); + + }); + +}); |