%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Tester.
* Copyright (c) 2009 David Grudl (https://davidgrudl.com)
*/
namespace Tester\CodeCoverage;
/**
* Code coverage collector.
*/
class Collector
{
/** @var resource */
private static $file;
/** @var string */
private static $collector;
/**
* @return bool
*/
public static function isStarted()
{
return self::$file !== null;
}
/**
* Starts gathering the information for code coverage.
* @param string
* @return void
* @throws \LogicException
*/
public static function start($file)
{
if (self::isStarted()) {
throw new \LogicException('Code coverage collector has been already started.');
}
self::$file = fopen($file, 'c+');
if (defined('PHPDBG_VERSION') && PHP_VERSION_ID >= 70000) {
phpdbg_start_oplog();
self::$collector = 'collectPhpDbg';
} elseif (extension_loaded('xdebug')) {
xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
self::$collector = 'collectXdebug';
} else {
$alternative = PHP_VERSION_ID >= 70000 ? ' or phpdbg SAPI' : '';
throw new \LogicException("Code coverage functionality requires Xdebug extension$alternative.");
}
register_shutdown_function(function () {
register_shutdown_function([__CLASS__, 'save']);
});
}
/**
* Flushes all gathered information. Effective only with PHPDBG collector.
*/
public static function flush()
{
if (self::isStarted() && self::$collector === 'collectPhpDbg') {
self::save();
}
}
/**
* Saves information about code coverage. Can be called repeatedly to free memory.
* @return void
* @throws \LogicException
*/
public static function save()
{
if (!self::isStarted()) {
throw new \LogicException('Code coverage collector has not been started.');
}
list($positive, $negative) = call_user_func([__CLASS__, self::$collector]);
flock(self::$file, LOCK_EX);
fseek(self::$file, 0);
$rawContent = stream_get_contents(self::$file);
$original = $rawContent ? unserialize($rawContent) : [];
$coverage = array_replace_recursive($negative, $original, $positive);
fseek(self::$file, 0);
ftruncate(self::$file, 0);
fwrite(self::$file, serialize($coverage));
flock(self::$file, LOCK_UN);
}
/**
* Collects information about code coverage.
* @return array
*/
private static function collectXdebug()
{
$positive = $negative = [];
foreach (xdebug_get_code_coverage() as $file => $lines) {
if (!file_exists($file)) {
continue;
}
foreach ($lines as $num => $val) {
if ($val > 0) {
$positive[$file][$num] = $val;
} else {
$negative[$file][$num] = $val;
}
}
}
return [$positive, $negative];
}
/**
* Collects information about code coverage.
* @return array
*/
private static function collectPhpDbg()
{
$positive = phpdbg_end_oplog();
$negative = phpdbg_get_executable();
foreach ($positive as $file => &$lines) {
$lines = array_fill_keys(array_keys($lines), 1);
}
foreach ($negative as $file => &$lines) {
$lines = array_fill_keys(array_keys($lines), -1);
}
phpdbg_start_oplog();
return [$positive, $negative];
}
}
Zerion Mini Shell 1.0