1 | var PS = require('../index');
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2 | var CP = require('child_process');
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3 | var assert = require('assert');
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4 | var Path = require('path');
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5 |
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6 | var serverPath = Path.resolve(__dirname, './node_process_for_test.js');
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7 | var UpperCaseArg = '--UPPER_CASE';
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8 | var child = null;
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9 | var pid = null;
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10 |
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11 | function startProcess() {
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12 | child = CP.fork(serverPath, [UpperCaseArg]);
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13 | pid = child.pid;
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14 | }
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15 |
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16 | describe('test', function () {
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17 | before(function (done) {
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18 | PS.lookup({arguments: 'node_process_for_test'}, function (err, list) {
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19 | var processLen = list.length;
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20 | var killedCount = 0;
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21 | if (processLen) {
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22 | list.forEach(function (item) {
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23 | PS.kill(item.pid, function () {
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24 | killedCount++;
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25 | if (killedCount === processLen) {
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26 | startProcess();
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27 | done();
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28 | }
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29 | });
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30 | });
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31 | } else {
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32 | startProcess();
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33 | done();
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34 | }
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35 | });
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36 | });
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37 |
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38 | describe('#lookup()', function () {
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39 |
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40 | it('by id', function (done) {
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41 | PS.lookup({pid: String(pid)}, function (err, list) {
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42 | assert.equal(list.length, 1);
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43 | assert.equal(list[0].arguments[0], serverPath);
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44 |
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45 | done();
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46 | });
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47 | });
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48 |
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49 | it('by command & arguments', function (done) {
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50 | PS.lookup({command: '.*(node|iojs).*', arguments: 'node_process_for_test'}, function (err, list) {
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51 | assert.equal(list.length, 1);
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52 | assert.equal(list[0].pid, pid);
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53 | assert.equal(list[0].arguments[0], serverPath);
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54 | done();
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55 | });
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56 | });
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57 |
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58 | it('by arguments, the matching should be case insensitive ', function (done) {
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59 | PS.lookup({arguments: 'UPPER_CASE'}, function (err, list) {
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60 | assert.equal(list.length, 1);
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61 | assert.equal(list[0].pid, pid);
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62 | assert.equal(list[0].arguments[0], serverPath);
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63 |
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64 | PS.lookup({arguments: 'upper_case'}, function (err, list) {
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65 | assert.equal(list.length, 1);
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66 | assert.equal(list[0].pid, pid);
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67 | assert.equal(list[0].arguments[0], serverPath);
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68 | done();
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69 | });
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70 | });
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71 | });
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72 |
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73 | it('empty result list should be safe ', function (done) {
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74 | PS.lookup({command: 'NOT_EXIST', psargs: 'l'}, function (err, list) {
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75 | assert.equal(list.length, 0);
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76 | done();
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77 | });
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78 | });
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79 |
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80 | it('should work correctly with options `aux`', function (done) {
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81 | PS.lookup({command: 'node', psargs: 'aux'}, function (err, list) {
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82 | assert.equal(list.length > 0, true);
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83 | list.forEach(function (row) {
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84 | assert.equal(/^\d+$/.test(row.pid), true);
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85 | });
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86 | done();
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87 | });
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88 | });
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89 | });
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90 |
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91 | describe('#kill()', function () {
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92 |
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93 | it('kill', function (done) {
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94 |
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95 | PS.kill(pid, function (err) {
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96 | assert.equal(err, null);
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97 | PS.lookup({pid: String(pid)}, function (err, list) {
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98 | assert.equal(list.length, 0);
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99 | done();
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100 | });
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101 | });
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102 | });
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103 |
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104 | it('should not throw an exception if the callback is undefined', function (done) {
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105 | assert.doesNotThrow(function () {
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106 | PS.kill(pid);
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107 | setTimeout(done, 400);
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108 | });
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109 | });
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110 | });
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111 | });
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