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<?php |
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/** |
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* This file is part of Blitz PHP framework. |
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* |
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* (c) 2022 Dimitri Sitchet Tomkeu <[email protected]> |
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* |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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namespace BlitzPHP\Debug; |
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use Closure; |
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/** |
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* Iterateur pour le debuggage. |
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*/ |
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class Iterator |
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{ |
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/** |
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* Stocke les tests que nous devons exécuter. |
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* |
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* @var array<string, Closure> |
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*/ |
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protected array $tests = []; |
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/** |
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* Stocke les résultats de chacun des tests. |
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* |
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* @var array<string, array> |
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*/ |
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protected array $results = []; |
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/** |
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* Ajoute un test à exécuter. |
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* |
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* Les tests sont simplement des fermetures permettant à l'utilisateur de définir n'importe quelle séquence de choses qui se produiront pendant le test. |
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*/ |
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public function add(string $name, Closure $closure): self |
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{ |
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$name = strtolower($name); |
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$this->tests[$name] = $closure; |
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return $this; |
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} |
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/** |
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* Exécute tous les tests qui ont été ajoutés, en enregistrant le temps nécessaire pour exécuter |
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* le nombre d'itérations souhaité et l'utilisation approximative de la mémoire utilisée au cours |
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* de ces itérations. |
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*/ |
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public function run(int $iterations = 1000, bool $output = true): ?string |
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{ |
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foreach ($this->tests as $name => $test) { |
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// clear memory before start |
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gc_collect_cycles(); |
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$start = microtime(true); |
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$startMem = $maxMemory = memory_get_usage(true); |
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for ($i = 0; $i < $iterations; $i++) { |
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$result = $test(); |
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$maxMemory = max($maxMemory, memory_get_usage(true)); |
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unset($result); |
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} |
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$this->results[$name] = [ |
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'time' => microtime(true) - $start, |
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'memory' => $maxMemory - $startMem, |
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'n' => $iterations, |
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]; |
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} |
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if ($output) { |
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return $this->getReport(); |
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} |
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return null; |
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} |
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/** |
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* Recupere le resultat du test |
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*/ |
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public function getReport(): string |
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{ |
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if ($this->results === []) { |
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return 'No results to display.'; |
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} |
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helper('number'); |
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// Template |
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$tpl = '<table> |
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<thead> |
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<tr> |
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<td>Test</td> |
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<td>Time</td> |
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<td>Memory</td> |
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</tr> |
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</thead> |
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<tbody> |
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{rows} |
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</tbody> |
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</table>'; |
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$rows = ''; |
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foreach ($this->results as $name => $result) { |
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$memory = number_to_size($result['memory'], 4); |
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$rows .= "<tr> |
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<td>{$name}</td> |
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<td>" . number_format($result['time'], 4) . "</td> |
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<td>{$memory}</td> |
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</tr>"; |
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} |
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$tpl = str_replace('{rows}', $rows, $tpl); |
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return $tpl . '<br/>'; |
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} |
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} |
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blitz-php /
framework
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