1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 | 1 1 12 36 22 11 11 12 12 12 12 12 12 12 12 1 1 12 12 12 2 1 1 12 12 12 12 12 12 12 12 1 11 11 10 10 10 10 10 10 11 1 2 2 2 1 1 1 1 1 1 1 1 11 5 5 1 5 1 5 5 11 11 11 11 1 5 7 7 6 6 1 7 5 6 5 1 8 8 8 8 8 1 1 1 2 1 12 12 9 12 12 12 12 1 6 5 6 1 8 12 8 21 8 8 8 3 8 8 | 'use strict'; /* Copyright 2014 Yahoo! Inc. All rights reserved. Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms. */ /*jslint nomen: true */ var util = require('util'), EventEmitter = require('events').EventEmitter, through = require('through'), stream = require('stream'), lastPid = 1; function MockProcess(runner, signals) { var that = this, streamer = function () { /* istanbul ignore next - fallback */ return stream.PassThrough ? new stream.PassThrough() : through(); }, emitted = false, emitter = function () { if (!emitted) { emitted = true; that.emit('close', that.exitCode, that.signal); } }; EventEmitter.call(this); this.stdin = streamer(); this.stdout = streamer(); this.stderr = streamer(); this.stderr.on('end', emitter); this.stderr.on('finish', emitter); this.stderr.on('close', emitter); /* istanbul ignore next - polyfill */ Iif (!this.stdout.setEncoding) { this.stdout.setEncoding = this.stderr.setEncoding = function (encoding) { this.encoding = encoding; }; } this._runner = runner; this.signal = null; if(signals){ this.signals = signals; } } util.inherits(MockProcess, EventEmitter); MockProcess.prototype._start = function (command, args, opts) { var that = this, runner = this._runner; this.command = command; this.args = args; this.opts = opts; this.pid = lastPid; this.ended = false; lastPid += 1; if(runner.throws instanceof Error){ throw runner.throws; } process.nextTick(function () { runner.call(that, function (exitCode) { Eif(!that.ended){ that.ended = true; that.exitCode = exitCode; that.emit('exit', exitCode); that.stdout.end(); that.stderr.end(); } }); }); return this; }; MockProcess.prototype.kill = function (signal) { signal = signal || 'SIGTERM'; var that = this; // if the signals object contains this signal and is *truthy*, and it is still running, exit if(this.signals[signal]){ this.signal = signal; /* istanbul ignore else - no-op if ended */ Eif(!this.ended){ this.ended = true; process.nextTick(function(){ that.emit('exit',null,signal); that.stdout.end(); that.stderr.end(); }); } } }; var ezRunner = function (exitCode, stdout, stderr) { var verbose, fn = function (cb) { Iif (verbose) { console.log('Run:' + this.command + ', with args'); console.log(this.args); console.log('With stdout = ' + stdout); console.log('With stderr = ' + stderr); console.log('Exit code = ' + exitCode); } if (stdout) { this.stdout.write(stdout); } if (stderr) { this.stderr.write(stderr); } process.nextTick(function () { return cb(exitCode); }); }; fn.setVerbose = function (v) { verbose = !!v; return fn; }; return fn; }; function makeSeq(verbose) { var runners = [], fn = function (/* command, args, opts */) { var runner; if (runners.length) { Iif (verbose) { console.log('Running first of ' + runners.length + ' remaining functions'); } runner = runners.shift(); } else Iif (verbose) { console.log('No runners left, using default'); } return runner; }; fn.add = function (runner) { runners.push(runner); }; return fn; } function ProcessList(verbose) { this.verbose = verbose; this.fns = []; this.defaultFn = ezRunner(0).setVerbose(verbose); this.strategy = null; this.calls = []; } ProcessList.prototype.setStrategy = function (strategy) { this.strategy = strategy; }; ProcessList.prototype.setSignals = function (sigs) { this.signals = sigs; }; ProcessList.prototype.next = function (command, args, opts) { var runner, mp; if (this.strategy) { runner = this.strategy(command, args, opts); } runner = runner || this.defaultFn; mp = new MockProcess(runner,this.signals); this.calls.push(mp); return mp._start(command, args, opts); }; ProcessList.prototype.__defineGetter__('sequence', function () { if (!this.strategy) { this.strategy = makeSeq(this.verbose); } return this.strategy; }); module.exports = function (verbose) { var pm = new ProcessList(verbose), main = function (command, args, opts) { return pm.next(command, args, opts); }; main.__defineGetter__('sequence', function () { return pm.sequence; }); main.__defineGetter__('calls', function () { return pm.calls.slice(); }); main.setDefault = function (fn) { pm.defaultFn = fn; }; main.setStrategy = function (s) { pm.setStrategy(s); }; main.simple = function (exitCode, stdout, stderr) { return ezRunner(exitCode, stdout, stderr).setVerbose(verbose); }; main.setSignals = function (sigs) { pm.setSignals(sigs); }; return main; }; |