Crap4j.php
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<?php
/*
* This file is part of the PHP_CodeCoverage package.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* @since Class available since Release 2.0.0
*/
class PHP_CodeCoverage_Report_Crap4j
{
/**
* @var int
*/
private $threshold;
/**
* @param int $threshold
*/
public function __construct($threshold = 30)
{
if (!is_int($threshold)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'integer'
);
}
$this->threshold = $threshold;
}
/**
* @param PHP_CodeCoverage $coverage
* @param string $target
* @param string $name
* @return string
*/
public function process(PHP_CodeCoverage $coverage, $target = null, $name = null)
{
$document = new DOMDocument('1.0', 'UTF-8');
$document->formatOutput = true;
$root = $document->createElement('crap_result');
$document->appendChild($root);
$project = $document->createElement('project', is_string($name) ? $name : '');
$root->appendChild($project);
$root->appendChild($document->createElement('timestamp', date('Y-m-d H:i:s', (int) $_SERVER['REQUEST_TIME'])));
$stats = $document->createElement('stats');
$methodsNode = $document->createElement('methods');
$report = $coverage->getReport();
unset($coverage);
$fullMethodCount = 0;
$fullCrapMethodCount = 0;
$fullCrapLoad = 0;
$fullCrap = 0;
foreach ($report as $item) {
$namespace = 'global';
if (!$item instanceof PHP_CodeCoverage_Report_Node_File) {
continue;
}
$file = $document->createElement('file');
$file->setAttribute('name', $item->getPath());
$classes = $item->getClassesAndTraits();
foreach ($classes as $className => $class) {
foreach ($class['methods'] as $methodName => $method) {
$crapLoad = $this->getCrapLoad($method['crap'], $method['ccn'], $method['coverage']);
$fullCrap += $method['crap'];
$fullCrapLoad += $crapLoad;
$fullMethodCount++;
if ($method['crap'] >= $this->threshold) {
$fullCrapMethodCount++;
}
$methodNode = $document->createElement('method');
if (!empty($class['package']['namespace'])) {
$namespace = $class['package']['namespace'];
}
$methodNode->appendChild($document->createElement('package', $namespace));
$methodNode->appendChild($document->createElement('className', $className));
$methodNode->appendChild($document->createElement('methodName', $methodName));
$methodNode->appendChild($document->createElement('methodSignature', htmlspecialchars($method['signature'])));
$methodNode->appendChild($document->createElement('fullMethod', htmlspecialchars($method['signature'])));
$methodNode->appendChild($document->createElement('crap', $this->roundValue($method['crap'])));
$methodNode->appendChild($document->createElement('complexity', $method['ccn']));
$methodNode->appendChild($document->createElement('coverage', $this->roundValue($method['coverage'])));
$methodNode->appendChild($document->createElement('crapLoad', round($crapLoad)));
$methodsNode->appendChild($methodNode);
}
}
}
$stats->appendChild($document->createElement('name', 'Method Crap Stats'));
$stats->appendChild($document->createElement('methodCount', $fullMethodCount));
$stats->appendChild($document->createElement('crapMethodCount', $fullCrapMethodCount));
$stats->appendChild($document->createElement('crapLoad', round($fullCrapLoad)));
$stats->appendChild($document->createElement('totalCrap', $fullCrap));
if ($fullMethodCount > 0) {
$crapMethodPercent = $this->roundValue((100 * $fullCrapMethodCount) / $fullMethodCount);
} else {
$crapMethodPercent = 0;
}
$stats->appendChild($document->createElement('crapMethodPercent', $crapMethodPercent));
$root->appendChild($stats);
$root->appendChild($methodsNode);
if ($target !== null) {
if (!is_dir(dirname($target))) {
mkdir(dirname($target), 0777, true);
}
return $document->save($target);
} else {
return $document->saveXML();
}
}
/**
* @param float $crapValue
* @param int $cyclomaticComplexity
* @param float $coveragePercent
* @return float
*/
private function getCrapLoad($crapValue, $cyclomaticComplexity, $coveragePercent)
{
$crapLoad = 0;
if ($crapValue >= $this->threshold) {
$crapLoad += $cyclomaticComplexity * (1.0 - $coveragePercent / 100);
$crapLoad += $cyclomaticComplexity / $this->threshold;
}
return $crapLoad;
}
/**
* @param float $value
* @return float
*/
private function roundValue($value)
{
return round($value, 2);
}
}