incr/tests/Feature/DropAssetsMigrationTest.php

<?php

declare(strict_types=1);

namespace Tests\Feature;

use Illuminate\Database\Migrations\Migration;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Tests\TestCase;

class DropAssetsMigrationTest extends TestCase
{
    use RefreshDatabase;

    // Each require returns a fresh anonymous-class instance; there is no name to collide.
    private function migration(): Migration
    {
        return require __DIR__.'/../../database/migrations/2026_08_15_000003_drop_assets_and_pricing.php';
    }

    public function test_the_migrated_schema_has_no_asset_or_price_columns(): void
    {
        $this->assertFalse(Schema::hasTable('assets'));
        $this->assertFalse(Schema::hasTable('asset_prices'));
        $this->assertFalse(Schema::hasColumn('trackers', 'asset_id'));
        $this->assertFalse(Schema::hasColumn('trackers', 'price_tracking_enabled'));
    }

    public function test_down_restores_the_tables_and_columns(): void
    {
        $this->migration()->down();

        $this->assertTrue(Schema::hasTable('assets'));
        $this->assertTrue(Schema::hasTable('asset_prices'));
        $this->assertTrue(Schema::hasColumn('trackers', 'asset_id'));
        $this->assertTrue(Schema::hasColumn('trackers', 'price_tracking_enabled'));
    }

    public function test_up_drops_them_again_respecting_foreign_keys(): void
    {
        $this->migration()->down();
        $this->migration()->up();

        $this->assertFalse(Schema::hasTable('assets'));
        $this->assertFalse(Schema::hasTable('asset_prices'));
        $this->assertFalse(Schema::hasColumn('trackers', 'asset_id'));
        $this->assertFalse(Schema::hasColumn('trackers', 'price_tracking_enabled'));
    }

    public function test_dropping_assets_does_not_disturb_the_counter(): void
    {
        $this->migration()->down();

        $userId = DB::table('users')->insertGetId([
            'name' => 'Test',
            'email' => 'assets@example.test',
            'password' => 'x',
            'created_at' => now(),
            'updated_at' => now(),
        ]);

        $trackerId = DB::table('trackers')->insertGetId([
            'user_id' => $userId,
            'label' => 'Counter',
            'unit' => 'units',
            'count' => 31,
            'created_at' => now(),
            'updated_at' => now(),
        ]);

        $this->migration()->up();

        $this->assertSame(31, (int) DB::table('trackers')->where('id', $trackerId)->value('count'));
    }
}