ldc-boutique-cnc-sable/tests/Unit/App/Casts/DiscountValueCastTest.php

<?php

declare(strict_types=1);

use App\Casts\DiscountValueCast;
use Domain\Enums\DiscountType;
use Domain\Models\ValueObjects\DiscountValue;
use Illuminate\Database\Eloquent\Model;
use Money\Currency;
use Money\Money;

it('gets a discount value from percentage', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $value = $cast->get(
        $model,
        'discount',
        10,
        ['type' => DiscountType::PERCENT->value]
    );

    // THEN
    expect($value)->toBeInstanceOf(DiscountValue::class)
        ->and($value->value())->toBe(10);
});

it('gets a discount value from amount', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $value = $cast->get(
        $model,
        'discount',
        1000,
        ['type' => DiscountType::AMOUNT->value]
    );

    // THEN
    expect($value)->toBeInstanceOf(DiscountValue::class)
        ->and($value->value())->toBeInstanceOf(Money::class)
        ->and($value->value()->getAmount())->toBe('1000');
});

it('gets a discount value from amount string', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $value = $cast->get(
        $model,
        'discount',
        '1000',
        ['type' => (string) DiscountType::AMOUNT->value]
    );

    // THEN
    expect($value)->toBeInstanceOf(DiscountValue::class)
        ->and($value->value())->toBeInstanceOf(Money::class)
        ->and($value->value()->getAmount())->toBe('1000');
});

it('throws exception when type is missing', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $cast->get($model, 'discount', 10, []);

    // THEN
})->throws(
    \UnexpectedValueException::class,
    'The discount type attribute is missing to cast the value.'
);

it('throws exception when type is invalid', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $cast->get($model, 'discount', 10, ['type' => 'invalid']);

    // THEN
})->throws(
    \UnexpectedValueException::class,
    'Unknown discount type raw value: invalid'
);

it('throws exception when value is invalid', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $cast->get(
        $model,
        'discount',
        'invalid',
        ['type' => DiscountType::PERCENT->value]
    );

    // THEN
})->throws(
    \UnexpectedValueException::class,
    'The discount value must be an integer or a numeric string.'
);

it('throws exception when setting null', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $cast->set($model, 'discount', null, []);

    // THEN
})->throws(\InvalidArgumentException::class, 'The value cannot be null.');

it('throws exception when setting invalid type', function () {
    // GIVEN
    $cast  = new DiscountValueCast();
    $model = \Mockery::mock(Model::class);

    // WHEN
    $cast->set($model, 'discount', 10, []);

    // THEN
})->throws(
    \InvalidArgumentException::class,
    'The value must be an instance of DiscountValue.'
);

it('sets a discount value percentage', function () {
    // GIVEN
    $cast     = new DiscountValueCast();
    $model    = \Mockery::mock(Model::class);
    $discount = DiscountValue::fromPercentage(10);

    // WHEN
    $value = $cast->set($model, 'discount', $discount, []);

    // THEN
    expect($value)->toBe(10);
});

it('sets a discount value amount', function () {
    // GIVEN
    $cast     = new DiscountValueCast();
    $model    = \Mockery::mock(Model::class);
    $currency = resolve(Currency::class);
    $discount = DiscountValue::fromAmount(new Money(1000, $currency));

    // WHEN
    $value = $cast->set($model, 'discount', $discount, []);

    // THEN
    expect($value)->toBe(1000);
});