lan_kiosk/tests/Feature/BalanceReversalTest.php

<?php

namespace Tests\Feature;

use App\Http\Controllers\DepositController;
use App\Http\Controllers\PurchaseController;
use App\Models\Customer;
use App\Models\Deposit;
use App\Models\Purchase;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * Deleting a deposit or a purchase has to undo exactly what creating it did.
 * Neither has a route today, so the controllers are called directly.
 */
class BalanceReversalTest extends TestCase
{
    use RefreshDatabase;

    private function customer(array $attributes = []): Customer
    {
        $customer = new Customer();

        $customer->forceFill(array_merge([
            'lan_id'        => 1,
            'name'          => 'Erik Olsson',
            'guardian_name' => 'Vårdnadshavare',
            'deposit'       => 0,
            'amount_left'   => 0,
            'give_leftover' => 0,
            'is_in_group'   => 0,
        ], $attributes))->save();

        return $customer;
    }

    public function test_deleting_a_deposit_takes_the_money_back_off_the_balance(): void
    {
        $customer = $this->customer(['deposit' => 500, 'amount_left' => 500]);
        $deposit  = Deposit::create(['customer_id' => $customer->id, 'amount' => 200]);

        (new DepositController())->destroy($deposit->id);

        $customer->refresh();
        $this->assertSame(300, $customer->deposit);
        $this->assertSame(300, $customer->amount_left);
        $this->assertNull(Deposit::find($deposit->id));
    }

    public function test_deleting_a_group_members_deposit_reverses_it_on_the_group_account(): void
    {
        $group = $this->customer([
            'lan_id' => 10, 'name' => 'Klanen', 'deposit' => 500, 'amount_left' => 500,
            'is_in_group' => 0, 'customer_group_id' => 7,
        ]);
        $member = $this->customer([
            'lan_id' => 11, 'name' => 'Anna', 'deposit' => 0, 'amount_left' => 0,
            'is_in_group' => 1, 'customer_group_id' => 7,
        ]);

        // Deposits from a member are recorded on the member but credited to the group
        $deposit = Deposit::create(['customer_id' => $member->id, 'amount' => 200]);

        (new DepositController())->destroy($deposit->id);

        $this->assertSame(300, $group->refresh()->deposit);
        $this->assertSame(300, $group->amount_left);
        $this->assertSame(0, $member->refresh()->deposit);
    }

    public function test_deleting_a_purchase_gives_the_money_back(): void
    {
        $customer = $this->customer(['deposit' => 500, 'amount_left' => 300]);
        $purchase = Purchase::create(['customer_id' => $customer->id, 'amount' => 200]);

        (new PurchaseController())->destroy($purchase->id);

        $customer->refresh();
        $this->assertSame(500, $customer->amount_left);
        // A purchase never touched the deposit, so it stays where it was
        $this->assertSame(500, $customer->deposit);
        $this->assertNull(Purchase::find($purchase->id));
    }

    public function test_a_deposit_survives_a_round_trip_through_store_and_destroy(): void
    {
        // lan_id deliberately differs from id, so it is clear which one store() used
        $customer = $this->customer(['lan_id' => 4242, 'deposit' => 500, 'amount_left' => 500]);

        $request = \Illuminate\Http\Request::create('/api/register_deposit', 'POST', [
            'customer_id'   => 4242,
            'deposit'       => 250,
            'give_leftover' => 0,
        ]);

        (new DepositController())->store($request);

        $this->assertSame(750, $customer->refresh()->deposit);

        (new DepositController())->destroy(Deposit::first()->id);

        $customer->refresh();
        $this->assertSame(500, $customer->deposit);
        $this->assertSame(500, $customer->amount_left);
    }

    public function test_amount_left_can_be_mass_assigned_now_that_the_key_is_spelled_right(): void
    {
        $customer = Customer::create([
            'lan_id'        => 5,
            'name'          => 'Test Testsson',
            'guardian_name' => 'Vårdnadshavare',
            'deposit'       => 100,
            'amount_left'   => 100,
        ]);

        $this->assertSame(100, $customer->refresh()->amount_left);
    }
}