ChainEntityResolverTest.php in Drupal 9

Namespace

Drupal\Tests\serialization\Unit\EntityResolver

File

core/modules/serialization/tests/src/Unit/EntityResolver/ChainEntityResolverTest.php

<?php

namespace Drupal\Tests\serialization\Unit\EntityResolver;

use Drupal\Tests\UnitTestCase;
use Drupal\serialization\EntityResolver\ChainEntityResolver;

/**
 * @coversDefaultClass \Drupal\serialization\EntityResolver\ChainEntityResolver
 * @group serialization
 */
class ChainEntityResolverTest extends UnitTestCase {

  /**
   * A mocked normalizer.
   *
   * @var \Symfony\Component\Serializer\Normalizer\NormalizerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $testNormalizer;

  /**
   * Test data passed to the resolve method.
   *
   * @var \stdClass
   */
  protected $testData;

  /**
   * A test entity type.
   *
   * @var string
   */
  protected $testEntityType = 'test_type';

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    $this->testNormalizer = $this
      ->createMock('Symfony\\Component\\Serializer\\Normalizer\\NormalizerInterface');
    $this->testData = new \stdClass();
  }

  /**
   * Tests the resolve method with no matching resolvers.
   *
   * @covers ::__construct
   * @covers ::resolve
   */
  public function testResolverWithNoneResolved() {
    $resolvers = [
      $this
        ->createEntityResolverMock(),
      $this
        ->createEntityResolverMock(),
    ];
    $resolver = new ChainEntityResolver($resolvers);
    $this
      ->assertNull($resolver
      ->resolve($this->testNormalizer, $this->testData, $this->testEntityType));
  }

  /**
   * Tests the resolve method with no matching resolvers, using addResolver.
   *
   * @covers ::addResolver
   * @covers ::resolve
   */
  public function testResolverWithNoneResolvedUsingAddResolver() {
    $resolver = new ChainEntityResolver();
    $resolver
      ->addResolver($this
      ->createEntityResolverMock());
    $resolver
      ->addResolver($this
      ->createEntityResolverMock());
    $this
      ->assertNull($resolver
      ->resolve($this->testNormalizer, $this->testData, $this->testEntityType));
  }

  /**
   * Tests the resolve method with a matching resolver first.
   *
   * @covers ::__construct
   * @covers ::resolve
   */
  public function testResolverWithFirstResolved() {
    $resolvers = [
      $this
        ->createEntityResolverMock(10),
      $this
        ->createEntityResolverMock(NULL, FALSE),
    ];
    $resolver = new ChainEntityResolver($resolvers);
    $this
      ->assertSame(10, $resolver
      ->resolve($this->testNormalizer, $this->testData, $this->testEntityType));
  }

  /**
   * Tests the resolve method with a matching resolver last.
   *
   * @covers ::__construct
   * @covers ::resolve
   */
  public function testResolverWithLastResolved() {
    $resolvers = [
      $this
        ->createEntityResolverMock(),
      $this
        ->createEntityResolverMock(10),
    ];
    $resolver = new ChainEntityResolver($resolvers);
    $this
      ->assertSame(10, $resolver
      ->resolve($this->testNormalizer, $this->testData, $this->testEntityType));
  }

  /**
   * Tests the resolve method where one resolver returns 0.
   *
   * @covers ::__construct
   * @covers ::resolve
   */
  public function testResolverWithResolvedToZero() {
    $resolvers = [
      $this
        ->createEntityResolverMock(0),
      $this
        ->createEntityResolverMock(NULL, FALSE),
    ];
    $resolver = new ChainEntityResolver($resolvers);
    $this
      ->assertSame(0, $resolver
      ->resolve($this->testNormalizer, $this->testData, $this->testEntityType));
  }

  /**
   * Creates a mock entity resolver.
   *
   * @param null|int $return
   *   Whether the mocked resolve method should return TRUE or FALSE.
   * @param bool $called
   *   Whether or not the resolve method is expected to be called.
   *
   * @return \Drupal\serialization\EntityResolver\EntityResolverInterface|\PHPUnit\Framework\MockObject\MockObject
   *   The mocked entity resolver.
   */
  protected function createEntityResolverMock($return = NULL, $called = TRUE) {
    $mock = $this
      ->createMock('Drupal\\serialization\\EntityResolver\\EntityResolverInterface');
    if ($called) {
      $mock
        ->expects($this
        ->once())
        ->method('resolve')
        ->with($this->testNormalizer, $this->testData, $this->testEntityType)
        ->will($this
        ->returnValue($return));
    }
    else {
      $mock
        ->expects($this
        ->never())
        ->method('resolve');
    }
    return $mock;
  }

}

Classes

Name	Description
ChainEntityResolverTest	@coversDefaultClass \Drupal\serialization\EntityResolver\ChainEntityResolver @group serialization