Performance Testing

Performance Testing

class PerformanceTest extends TestCase {
    public function testBulkInsertIsFast(): void {
        $start = microtime(true);

        $repo = new UserRepository($this->pdo);
        for ($i = 0; $i < 1000; $i++) {
            $repo->create(["name" => "User $i", "email" => "user$i@test.com"]);
        }

        $elapsed = microtime(true) - $start;
        $this->assertLessThan(2.0, $elapsed, "Bulk insert took too long");
    }

    public function testQueryIsFast(): void {
        // Seed 10,000 rows
        $this->seedLargeDataset();

        $start = microtime(true);
        $results = (new UserRepository($this->pdo))->search("Alice");
        $elapsed = microtime(true) - $start;

        $this->assertLessThan(0.1, $elapsed, "Search query is too slow");
        $this->assertNotEmpty($results);
    }
}