StringTranslationTraitTest.php in Drupal 9

Namespace

Drupal\Tests\Core\StringTranslation

File

core/tests/Drupal/Tests/Core/StringTranslation/StringTranslationTraitTest.php

<?php

namespace Drupal\Tests\Core\StringTranslation;

use Drupal\Core\StringTranslation\PluralTranslatableMarkup;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\StringTranslation\TranslationInterface;
use Drupal\Tests\UnitTestCase;
use Prophecy\Argument;

/**
 * @coversDefaultClass \Drupal\Core\StringTranslation\StringTranslationTrait
 * @group StringTranslation
 */
class StringTranslationTraitTest extends UnitTestCase {

  /**
   * A reflection of self::$translation.
   *
   * @var \ReflectionClass
   */
  protected $reflection;

  /**
   * The mock under test that uses StringTranslationTrait.
   *
   * @var object
   * @see \PHPUnit\Framework\MockObject\Generator::getObjectForTrait()
   */
  protected $translation;

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    $this->translation = $this
      ->getObjectForTrait('\\Drupal\\Core\\StringTranslation\\StringTranslationTrait');
    $mock = $this
      ->prophesize(TranslationInterface::class);
    $mock
      ->translate(Argument::cetera())
      ->shouldNotBeCalled();
    $mock
      ->formatPlural(Argument::cetera())
      ->shouldNotBeCalled();
    $mock
      ->translateString(Argument::cetera())
      ->will(function ($args) {
      return $args[0]
        ->getUntranslatedString();
    });
    $this->translation
      ->setStringTranslation($mock
      ->reveal());
    $this->reflection = new \ReflectionClass(get_class($this->translation));
  }

  /**
   * @covers ::t
   */
  public function testT() {
    $method = $this->reflection
      ->getMethod('t');
    $method
      ->setAccessible(TRUE);
    $result = $method
      ->invoke($this->translation, 'something');
    $this
      ->assertInstanceOf(TranslatableMarkup::class, $result);
    $this
      ->assertEquals('something', $result);
  }

  /**
   * @covers ::formatPlural
   */
  public function testFormatPlural() {
    $method = $this->reflection
      ->getMethod('formatPlural');
    $method
      ->setAccessible(TRUE);
    $result = $method
      ->invoke($this->translation, 2, 'apple', 'apples');
    $this
      ->assertInstanceOf(PluralTranslatableMarkup::class, $result);
    $this
      ->assertEquals('apples', $result);
  }

}

Classes

Name	Description
StringTranslationTraitTest	@coversDefaultClass \Drupal\Core\StringTranslation\StringTranslationTrait @group StringTranslation