<?php

declare(strict_types=1);

namespace Tests\Unit\Enums\FormBuilder;

use App\Enums\FormBuilder\FormFieldBindingMergeStrategy;
use PHPUnit\Framework\TestCase;

final class MergeStrategyTest extends TestCase
{
    public function test_null_winner_behaviour_per_strategy(): void
    {
        $this->assertSame('write', FormFieldBindingMergeStrategy::Overwrite->nullWinnerBehaviour());
        $this->assertSame('noop', FormFieldBindingMergeStrategy::Append->nullWinnerBehaviour());
        $this->assertSame('noop', FormFieldBindingMergeStrategy::Replace->nullWinnerBehaviour());
        $this->assertSame('conditional', FormFieldBindingMergeStrategy::FirstWriteWins->nullWinnerBehaviour());
    }

    public function test_is_valid_for_scalar_targets_only_append_returns_false(): void
    {
        $this->assertTrue(FormFieldBindingMergeStrategy::Overwrite->isValidForScalarTargets());
        $this->assertFalse(FormFieldBindingMergeStrategy::Append->isValidForScalarTargets());
        $this->assertTrue(FormFieldBindingMergeStrategy::Replace->isValidForScalarTargets());
        $this->assertTrue(FormFieldBindingMergeStrategy::FirstWriteWins->isValidForScalarTargets());
    }
}