portal/app/tests/Feature/Billing/TopupControllerTest.php

<?php

declare(strict_types=1);

use App\Models\Tenant;
use App\Models\User;
use Illuminate\Foundation\Testing\DatabaseTransactions;

uses(DatabaseTransactions::class);

beforeEach(function () {
    $this->tenant = Tenant::factory()->create(['balance_rub' => '500.00', 'balance_leads' => 12]);
    $this->user = User::factory()->create(['tenant_id' => $this->tenant->id]);
    $this->actingAs($this->user);
});

test('POST /api/billing/topup кредитует баланс и возвращает 201', function () {
    $response = $this->postJson('/api/billing/topup', ['amount_rub' => 250]);

    $response->assertStatus(201)
        ->assertJsonPath('balance_rub', '750.00')
        ->assertJsonPath('transaction.type', 'topup')
        ->assertJsonPath('transaction.amount_rub', '250.00');

    expect((string) $this->tenant->fresh()->balance_rub)->toBe('750.00');
});

test('POST /api/billing/topup пишет строку balance_transactions с user_id', function () {
    $this->postJson('/api/billing/topup', ['amount_rub' => 100])->assertStatus(201);

    $this->assertDatabaseHas('balance_transactions', [
        'tenant_id' => $this->tenant->id,
        'user_id' => $this->user->id,
        'type' => 'topup',
        'amount_rub' => '100.00',
        'balance_rub_after' => '600.00',
    ]);
});

test('POST /api/billing/topup использует bcmath-точность', function () {
    $this->tenant->update(['balance_rub' => '0.10']);

    $this->postJson('/api/billing/topup', ['amount_rub' => 100.20])->assertStatus(201);

    expect((string) $this->tenant->fresh()->balance_rub)->toBe('100.30');
});

test('POST /api/billing/topup не затрагивает баланс чужого тенанта', function () {
    $otherTenant = Tenant::factory()->create(['balance_rub' => '777.00']);

    $this->postJson('/api/billing/topup', ['amount_rub' => 100])->assertStatus(201);

    // Топап эндпоинт не принимает tenant_id — резолвит из auth-пользователя;
    // баланс чужого тенанта неприкосновенен (defense-in-depth, паттерн проекта).
    expect((string) $otherTenant->fresh()->balance_rub)->toBe('777.00');
});

test('POST /api/billing/topup отклоняет сумму ниже минимума 100 ₽', function () {
    $this->postJson('/api/billing/topup', ['amount_rub' => 50])
        ->assertStatus(422)
        ->assertJsonValidationErrors('amount_rub');
});

test('POST /api/billing/topup отклоняет отсутствующую сумму', function () {
    $this->postJson('/api/billing/topup', [])
        ->assertStatus(422)
        ->assertJsonValidationErrors('amount_rub');
});

test('POST /api/billing/topup отклоняет более 2 знаков после запятой', function () {
    $this->postJson('/api/billing/topup', ['amount_rub' => 100.123])
        ->assertStatus(422)
        ->assertJsonValidationErrors('amount_rub');
});

test('POST /api/billing/topup без auth: 401', function () {
    auth()->logout();
    $this->postJson('/api/billing/topup', ['amount_rub' => 100])->assertStatus(401);
});