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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\Console\Tester;
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13
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14 use Symfony\Component\Console\Application;
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15 use Symfony\Component\Console\Input\ArrayInput;
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16 use Symfony\Component\Console\Input\InputInterface;
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17 use Symfony\Component\Console\Output\ConsoleOutput;
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18 use Symfony\Component\Console\Output\OutputInterface;
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19 use Symfony\Component\Console\Output\StreamOutput;
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20
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21 /**
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22 * Eases the testing of console applications.
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23 *
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24 * When testing an application, don't forget to disable the auto exit flag:
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25 *
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26 * $application = new Application();
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27 * $application->setAutoExit(false);
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28 *
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29 * @author Fabien Potencier <fabien@symfony.com>
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30 */
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31 class ApplicationTester
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32 {
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33 private $application;
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34 private $input;
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35 private $statusCode;
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36 /**
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37 * @var OutputInterface
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38 */
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39 private $output;
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40 private $captureStreamsIndependently = false;
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41
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42 public function __construct(Application $application)
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43 {
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44 $this->application = $application;
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45 }
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46
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47 /**
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48 * Executes the application.
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49 *
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50 * Available options:
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51 *
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52 * * interactive: Sets the input interactive flag
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53 * * decorated: Sets the output decorated flag
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54 * * verbosity: Sets the output verbosity flag
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55 * * capture_stderr_separately: Make output of stdOut and stdErr separately available
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56 *
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57 * @param array $input An array of arguments and options
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58 * @param array $options An array of options
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59 *
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60 * @return int The command exit code
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61 */
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62 public function run(array $input, $options = [])
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63 {
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64 $this->input = new ArrayInput($input);
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65 if (isset($options['interactive'])) {
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66 $this->input->setInteractive($options['interactive']);
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67 }
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68
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69 $this->captureStreamsIndependently = \array_key_exists('capture_stderr_separately', $options) && $options['capture_stderr_separately'];
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70 if (!$this->captureStreamsIndependently) {
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71 $this->output = new StreamOutput(fopen('php://memory', 'w', false));
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72 if (isset($options['decorated'])) {
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73 $this->output->setDecorated($options['decorated']);
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74 }
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75 if (isset($options['verbosity'])) {
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76 $this->output->setVerbosity($options['verbosity']);
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77 }
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78 } else {
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79 $this->output = new ConsoleOutput(
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80 isset($options['verbosity']) ? $options['verbosity'] : ConsoleOutput::VERBOSITY_NORMAL,
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81 isset($options['decorated']) ? $options['decorated'] : null
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82 );
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83
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84 $errorOutput = new StreamOutput(fopen('php://memory', 'w', false));
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85 $errorOutput->setFormatter($this->output->getFormatter());
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86 $errorOutput->setVerbosity($this->output->getVerbosity());
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87 $errorOutput->setDecorated($this->output->isDecorated());
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88
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89 $reflectedOutput = new \ReflectionObject($this->output);
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90 $strErrProperty = $reflectedOutput->getProperty('stderr');
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91 $strErrProperty->setAccessible(true);
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92 $strErrProperty->setValue($this->output, $errorOutput);
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93
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94 $reflectedParent = $reflectedOutput->getParentClass();
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95 $streamProperty = $reflectedParent->getProperty('stream');
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96 $streamProperty->setAccessible(true);
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97 $streamProperty->setValue($this->output, fopen('php://memory', 'w', false));
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98 }
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99
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100 return $this->statusCode = $this->application->run($this->input, $this->output);
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101 }
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102
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103 /**
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104 * Gets the display returned by the last execution of the application.
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105 *
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106 * @param bool $normalize Whether to normalize end of lines to \n or not
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107 *
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108 * @return string The display
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109 */
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110 public function getDisplay($normalize = false)
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111 {
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112 rewind($this->output->getStream());
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113
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114 $display = stream_get_contents($this->output->getStream());
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115
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116 if ($normalize) {
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117 $display = str_replace(PHP_EOL, "\n", $display);
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118 }
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119
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120 return $display;
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121 }
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122
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123 /**
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124 * Gets the output written to STDERR by the application.
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125 *
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126 * @param bool $normalize Whether to normalize end of lines to \n or not
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127 *
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128 * @return string
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129 */
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130 public function getErrorOutput($normalize = false)
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131 {
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132 if (!$this->captureStreamsIndependently) {
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133 throw new \LogicException('The error output is not available when the tester is run without "capture_stderr_separately" option set.');
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134 }
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135
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136 rewind($this->output->getErrorOutput()->getStream());
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137
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138 $display = stream_get_contents($this->output->getErrorOutput()->getStream());
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139
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140 if ($normalize) {
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141 $display = str_replace(PHP_EOL, "\n", $display);
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142 }
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143
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144 return $display;
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145 }
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146
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147 /**
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148 * Gets the input instance used by the last execution of the application.
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149 *
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150 * @return InputInterface The current input instance
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151 */
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152 public function getInput()
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153 {
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154 return $this->input;
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155 }
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156
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157 /**
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158 * Gets the output instance used by the last execution of the application.
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159 *
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160 * @return OutputInterface The current output instance
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161 */
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162 public function getOutput()
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163 {
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164 return $this->output;
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165 }
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166
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167 /**
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168 * Gets the status code returned by the last execution of the application.
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169 *
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170 * @return int The status code
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171 */
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172 public function getStatusCode()
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173 {
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174 return $this->statusCode;
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175 }
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176 }
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