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<?php

/**

* Implements an external test-case like RemoteTestCase that parses its

* output from XML returned by a command line call

class CliTestCase

{

public $_command;

public $_out = false;

public $_quiet = false;

public $_errors = array();

public $_size = false;

/**

* @param $command Command to execute to retrieve XML

* @param $xml Whether or not to suppress error messages

public function __construct($command, $quiet = false, $size = false)

{

$this->_command = $command;

$this->_quiet   = $quiet;

$this->_size    = $size;

}

public function getLabel()

{

return $this->_command;

}

public function run($reporter)

{

if (!$this->_quiet) $reporter->paintFormattedMessage('Running ['.$this->_command.']');

return $this->_invokeCommand($this->_command, $reporter);

}

public function _invokeCommand($command, $reporter)

{

$xml = shell_exec($command);

if (! $xml) {

if (!$this->_quiet) {

$reporter->paintFail('Command did not have any output [' . $command . ']');

}

return false;

}

$parser = $this->_createParser($reporter);

set_error_handler(array($this, '_errorHandler'));

$status = $parser->parse($xml);

restore_error_handler();

if (! $status) {

if (!$this->_quiet) {

foreach ($this->_errors as $error) {

list($no, $str, $file, $line) = $error;

$reporter->paintFail("Error $no: $str on line $line of $file");

}

if (strlen($xml) > 120) {

$msg = substr($xml, 0, 50) . "...\n\n[snip]\n\n..." . substr($xml, -50);

} else {

$msg = $xml;

}

$reporter->paintFail("Command produced malformed XML");

$reporter->paintFormattedMessage($msg);

}

return false;

}

return true;

}

public function _createParser($reporter)

{

$parser = new SimpleTestXmlParser($reporter);

return $parser;

}

public function getSize()

{

// This code properly does the dry run and allows for proper test

// case reporting but it's REALLY slow, so I don't recommend it.

if ($this->_size === false) {

$reporter = new SimpleReporter();

$this->_invokeCommand($this->_command . ' --dry', $reporter);

$this->_size = $reporter->getTestCaseCount();

}

return $this->_size;

}

public function _errorHandler($a, $b, $c, $d)

{

$this->_errors[] = array($a, $b, $c, $d); // see set_error_handler()

}

// vim: et sw=4 sts=4

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