<?php

namespace App\Tests\Security;

use App\Security\PasswordGenerator;
use PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations;
use PHPUnit\Framework\TestCase;

#[AllowMockObjectsWithoutExpectations]
class PasswordGeneratorTest extends TestCase
{
    public function testGenerateLength()
    {
        $generator = new PasswordGenerator(16);
        $password = $generator->generate();
        
        $this->assertEquals(16, strlen($password));
    }

    public function testGenerateContainsRequiredCharacters()
    {
        $generator = new PasswordGenerator(12);
        $password = $generator->generate();

        $this->assertMatchesRegularExpression('/[a-z]/', $password);
        $this->assertMatchesRegularExpression('/[A-Z]/', $password);
        $this->assertMatchesRegularExpression('/[0-9]/', $password);
        $this->assertMatchesRegularExpression('/[@#_\-]/', $password);
    }

    public function testInvalidLengthThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        new PasswordGenerator(3);
    }
}