woocommerce/tests/cli/features/bootstrap/Process.php

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2016-12-08 21:40:12 +00:00
<?php
namespace WP_CLI;
/**
* Run a system process, and learn what happened.
*/
class Process {
/**
* @param string $command Command to execute.
* @param string $cwd Directory to execute the command in.
* @param array $env Environment variables to set when running the command.
*/
public static function create( $command, $cwd = null, $env = array() ) {
$proc = new self;
$proc->command = $command;
$proc->cwd = $cwd;
$proc->env = $env;
return $proc;
}
private $command, $cwd, $env;
private function __construct() {}
/**
* Run the command.
*
* @return ProcessRun
*/
public function run() {
$cwd = $this->cwd;
$descriptors = array(
0 => STDIN,
1 => array( 'pipe', 'w' ),
2 => array( 'pipe', 'w' ),
);
$proc = proc_open( $this->command, $descriptors, $pipes, $cwd, $this->env );
$stdout = stream_get_contents( $pipes[1] );
fclose( $pipes[1] );
$stderr = stream_get_contents( $pipes[2] );
fclose( $pipes[2] );
return new ProcessRun( array(
'stdout' => $stdout,
'stderr' => $stderr,
'return_code' => proc_close( $proc ),
'command' => $this->command,
'cwd' => $cwd,
'env' => $this->env
) );
}
/**
* Run the command, but throw an Exception on error.
*
* @return ProcessRun
*/
public function run_check() {
$r = $this->run();
if ( $r->return_code || !empty( $r->STDERR ) ) {
throw new \RuntimeException( $r );
}
return $r;
}
}
/**
* Results of an executed command.
*/
class ProcessRun {
/**
* @var array $props Properties of executed command.
*/
public function __construct( $props ) {
foreach ( $props as $key => $value ) {
$this->$key = $value;
}
}
/**
* Return properties of executed command as a string.
*
* @return string
*/
public function __toString() {
$out = "$ $this->command\n";
$out .= "$this->stdout\n$this->stderr";
$out .= "cwd: $this->cwd\n";
$out .= "exit status: $this->return_code";
return $out;
}
}