BenchmarksTests.php

<?php

namespace Tests;

/** @mixin TestCase */
trait BenchmarksTests
{
    protected static array $tests = [];

    protected function setUpBenchmark(): void
    {
        self::$tests[$this->getTestName()] = now();
    }

    public static function tearDownAfterClass(): void
    {
        arsort(self::$tests);
        file_put_contents('.phpunit_benchmark', json_encode(self::$tests));
    }

    protected function tearDown(): void
    {
        parent::tearDown();

        self::$tests[$this->getTestName()] = self::$tests[$this->getTestName()]->diffInMilliseconds();
    }

    protected function getTestName(): string
    {
        return static::class.'::'.$this->getName();
    }
}