1 | var Hash = require('hashish');
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2 | var optimist = require('../index');
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3 | var test = require('tap').test;
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4 |
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5 | test('usageFail', function (t) {
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6 | var r = checkUsage(function () {
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7 | return optimist('-x 10 -z 20'.split(' '))
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8 | .usage('Usage: $0 -x NUM -y NUM')
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9 | .demand(['x','y'])
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10 | .argv;
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11 | });
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12 | t.same(
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13 | r.result,
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14 | { x : 10, z : 20, _ : [], $0 : './usage' }
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15 | );
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16 |
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17 | t.same(
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18 | r.errors.join('\n').split(/\n+/),
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19 | [
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20 | 'Usage: ./usage -x NUM -y NUM',
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21 | 'Options:',
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22 | ' -x [required]',
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23 | ' -y [required]',
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24 | 'Missing required arguments: y',
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25 | ]
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26 | );
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27 | t.same(r.logs, []);
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28 | t.ok(r.exit);
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29 | t.end();
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30 | });
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31 |
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32 |
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33 | test('usagePass', function (t) {
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34 | var r = checkUsage(function () {
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35 | return optimist('-x 10 -y 20'.split(' '))
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36 | .usage('Usage: $0 -x NUM -y NUM')
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37 | .demand(['x','y'])
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38 | .argv;
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39 | });
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40 | t.same(r, {
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41 | result : { x : 10, y : 20, _ : [], $0 : './usage' },
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42 | errors : [],
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43 | logs : [],
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44 | exit : false,
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45 | });
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46 | t.end();
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47 | });
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48 |
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49 | test('checkPass', function (t) {
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50 | var r = checkUsage(function () {
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51 | return optimist('-x 10 -y 20'.split(' '))
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52 | .usage('Usage: $0 -x NUM -y NUM')
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53 | .check(function (argv) {
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54 | if (!('x' in argv)) throw 'You forgot about -x';
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55 | if (!('y' in argv)) throw 'You forgot about -y';
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56 | })
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57 | .argv;
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58 | });
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59 | t.same(r, {
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60 | result : { x : 10, y : 20, _ : [], $0 : './usage' },
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61 | errors : [],
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62 | logs : [],
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63 | exit : false,
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64 | });
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65 | t.end();
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66 | });
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67 |
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68 | test('checkFail', function (t) {
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69 | var r = checkUsage(function () {
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70 | return optimist('-x 10 -z 20'.split(' '))
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71 | .usage('Usage: $0 -x NUM -y NUM')
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72 | .check(function (argv) {
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73 | if (!('x' in argv)) throw 'You forgot about -x';
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74 | if (!('y' in argv)) throw 'You forgot about -y';
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75 | })
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76 | .argv;
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77 | });
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78 |
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79 | t.same(
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80 | r.result,
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81 | { x : 10, z : 20, _ : [], $0 : './usage' }
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82 | );
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83 |
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84 | t.same(
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85 | r.errors.join('\n').split(/\n+/),
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86 | [
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87 | 'Usage: ./usage -x NUM -y NUM',
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88 | 'You forgot about -y'
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89 | ]
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90 | );
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91 |
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92 | t.same(r.logs, []);
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93 | t.ok(r.exit);
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94 | t.end();
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95 | });
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96 |
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97 | test('checkCondPass', function (t) {
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98 | function checker (argv) {
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99 | return 'x' in argv && 'y' in argv;
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100 | }
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101 |
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102 | var r = checkUsage(function () {
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103 | return optimist('-x 10 -y 20'.split(' '))
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104 | .usage('Usage: $0 -x NUM -y NUM')
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105 | .check(checker)
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106 | .argv;
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107 | });
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108 | t.same(r, {
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109 | result : { x : 10, y : 20, _ : [], $0 : './usage' },
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110 | errors : [],
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111 | logs : [],
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112 | exit : false,
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113 | });
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114 | t.end();
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115 | });
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116 |
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117 | test('checkCondFail', function (t) {
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118 | function checker (argv) {
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119 | return 'x' in argv && 'y' in argv;
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120 | }
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121 |
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122 | var r = checkUsage(function () {
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123 | return optimist('-x 10 -z 20'.split(' '))
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124 | .usage('Usage: $0 -x NUM -y NUM')
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125 | .check(checker)
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126 | .argv;
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127 | });
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128 |
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129 | t.same(
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130 | r.result,
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131 | { x : 10, z : 20, _ : [], $0 : './usage' }
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132 | );
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133 |
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134 | t.same(
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135 | r.errors.join('\n').split(/\n+/).join('\n'),
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136 | 'Usage: ./usage -x NUM -y NUM\n'
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137 | + 'Argument check failed: ' + checker.toString()
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138 | );
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139 |
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140 | t.same(r.logs, []);
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141 | t.ok(r.exit);
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142 | t.end();
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143 | });
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144 |
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145 | test('countPass', function (t) {
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146 | var r = checkUsage(function () {
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147 | return optimist('1 2 3 --moo'.split(' '))
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148 | .usage('Usage: $0 [x] [y] [z] {OPTIONS}')
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149 | .demand(3)
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150 | .argv;
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151 | });
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152 | t.same(r, {
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153 | result : { _ : [ '1', '2', '3' ], moo : true, $0 : './usage' },
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154 | errors : [],
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155 | logs : [],
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156 | exit : false,
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157 | });
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158 | t.end();
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159 | });
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160 |
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161 | test('countFail', function (t) {
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162 | var r = checkUsage(function () {
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163 | return optimist('1 2 --moo'.split(' '))
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164 | .usage('Usage: $0 [x] [y] [z] {OPTIONS}')
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165 | .demand(3)
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166 | .argv;
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167 | });
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168 | t.same(
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169 | r.result,
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170 | { _ : [ '1', '2' ], moo : true, $0 : './usage' }
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171 | );
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172 |
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173 | t.same(
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174 | r.errors.join('\n').split(/\n+/),
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175 | [
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176 | 'Usage: ./usage [x] [y] [z] {OPTIONS}',
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177 | 'Not enough non-option arguments: got 2, need at least 3',
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178 | ]
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179 | );
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180 |
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181 | t.same(r.logs, []);
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182 | t.ok(r.exit);
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183 | t.end();
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184 | });
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185 |
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186 | test('defaultSingles', function (t) {
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187 | var r = checkUsage(function () {
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188 | return optimist('--foo 50 --baz 70 --powsy'.split(' '))
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189 | .default('foo', 5)
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190 | .default('bar', 6)
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191 | .default('baz', 7)
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192 | .argv
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193 | ;
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194 | });
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195 | t.same(r.result, {
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196 | foo : '50',
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197 | bar : 6,
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198 | baz : '70',
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199 | powsy : true,
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200 | _ : [],
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201 | $0 : './usage',
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202 | });
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203 | t.end();
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204 | });
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205 |
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206 | test('defaultAliases', function (t) {
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207 | var r = checkUsage(function () {
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208 | return optimist('')
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209 | .alias('f', 'foo')
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210 | .default('f', 5)
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211 | .argv
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212 | ;
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213 | });
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214 | t.same(r.result, {
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215 | f : '5',
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216 | foo : '5',
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217 | _ : [],
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218 | $0 : './usage',
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219 | });
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220 | t.end();
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221 | });
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222 |
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223 | test('defaultHash', function (t) {
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224 | var r = checkUsage(function () {
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225 | return optimist('--foo 50 --baz 70'.split(' '))
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226 | .default({ foo : 10, bar : 20, quux : 30 })
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227 | .argv
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228 | ;
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229 | });
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230 | t.same(r.result, {
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231 | _ : [],
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232 | $0 : './usage',
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233 | foo : 50,
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234 | baz : 70,
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235 | bar : 20,
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236 | quux : 30,
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237 | });
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238 | t.end();
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239 | });
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240 |
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241 | test('rebase', function (t) {
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242 | t.equal(
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243 | optimist.rebase('/home/substack', '/home/substack/foo/bar/baz'),
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244 | './foo/bar/baz'
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245 | );
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246 | t.equal(
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247 | optimist.rebase('/home/substack/foo/bar/baz', '/home/substack'),
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248 | '../../..'
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249 | );
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250 | t.equal(
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251 | optimist.rebase('/home/substack/foo', '/home/substack/pow/zoom.txt'),
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252 | '../pow/zoom.txt'
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253 | );
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254 | t.end();
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255 | });
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256 |
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257 | function checkUsage (f) {
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258 |
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259 | var exit = false;
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260 |
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261 | process._exit = process.exit;
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262 | process._env = process.env;
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263 | process._argv = process.argv;
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264 |
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265 | process.exit = function (t) { exit = true };
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266 | process.env = Hash.merge(process.env, { _ : 'node' });
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267 | process.argv = [ './usage' ];
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268 |
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269 | var errors = [];
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270 | var logs = [];
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271 |
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272 | console._error = console.error;
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273 | console.error = function (msg) { errors.push(msg) };
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274 | console._log = console.log;
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275 | console.log = function (msg) { logs.push(msg) };
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276 |
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277 | var result = f();
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278 |
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279 | process.exit = process._exit;
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280 | process.env = process._env;
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281 | process.argv = process._argv;
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282 |
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283 | console.error = console._error;
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284 | console.log = console._log;
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285 |
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286 | return {
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287 | errors : errors,
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288 | logs : logs,
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289 | exit : exit,
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290 | result : result,
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291 | };
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292 | };
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