RounderTest.php in Commerce Core 8.2

Namespace

Drupal\Tests\commerce_price\Unit

File

modules/price/tests/src/Unit/RounderTest.php

<?php

namespace Drupal\Tests\commerce_price\Unit;

use Drupal\commerce_price\Entity\CurrencyInterface;
use Drupal\commerce_price\Price;
use Drupal\commerce_price\Rounder;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the Rounder class.
 *
 * @coversDefaultClass \Drupal\commerce_price\Rounder
 * @group commerce
 */
class RounderTest extends UnitTestCase {

  /**
   * The rounder.
   *
   * @var \Drupal\commerce_price\Rounder
   */
  protected $rounder;

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $usd_currency = $this
      ->prophesize(CurrencyInterface::class);
    $usd_currency
      ->id()
      ->willReturn('USD');
    $usd_currency
      ->getFractionDigits()
      ->willReturn('2');
    $storage = $this
      ->prophesize(EntityStorageInterface::class);
    $storage
      ->load('USD')
      ->willReturn($usd_currency
      ->reveal());
    $storage
      ->load('EUR')
      ->willReturn(NULL);
    $entity_type_manager = $this
      ->prophesize(EntityTypeManagerInterface::class);
    $entity_type_manager
      ->getStorage('commerce_currency')
      ->willReturn($storage
      ->reveal());
    $this->rounder = new Rounder($entity_type_manager
      ->reveal());
  }

  /**
   * Tests rounding a price with an unknown currency.
   *
   * ::covers round.
   */
  public function testUnknownCurrency() {
    $this
      ->expectException(\InvalidArgumentException::class);
    $this->rounder
      ->round(new Price('10', 'EUR'));
  }

  /**
   * Tests rounding a valid price.
   *
   * ::covers round.
   */
  public function testValid() {
    $rounded_price = $this->rounder
      ->round(new Price('3.3698', 'USD'));
    $this
      ->assertEquals('3.37', $rounded_price
      ->getNumber());
    $this
      ->assertEquals('USD', $rounded_price
      ->getCurrencyCode());
  }

}

Classes

Name	Description
RounderTest	Tests the Rounder class.