class PathAliasExistsTest

class PathAliasExistsTest extends RulesIntegrationTestBase {
  
  /**
   * The condition to be tested.
   *
   * @var \Drupal\rules\Core\RulesConditionInterface
   */
  protected $condition;
  
  /**
   * @var \Drupal\path_alias\AliasManagerInterface|\Prophecy\Prophecy\ProphecyInterface
   */
  protected $aliasManager;
  
  /**
   * A mocked language object (english).
   *
   * @var \Drupal\Core\Language\LanguageInterface|\Prophecy\Prophecy\ProphecyInterface
   */
  protected $englishLanguage;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Must enable the path_alias module.
    $this->enableModule('path_alias');
    $this->aliasManager = $this->prophesize(AliasManagerInterface::class);
    $this->container
      ->set('path_alias.manager', $this->aliasManager
      ->reveal());
    $this->condition = $this->conditionManager
      ->createInstance('rules_path_alias_exists');
    $this->englishLanguage = $this->prophesize(LanguageInterface::class);
    $this->englishLanguage
      ->getId()
      ->willReturn('en');
  }
  
  /**
   * Tests that the dependencies are properly set in the constructor.
   *
   * @covers ::__construct
   */
  public function testConstructor() {
    $property = new \ReflectionProperty($this->condition, 'aliasManager');
    $property->setAccessible(TRUE);
    $this->assertSame($this->aliasManager
      ->reveal(), $property->getValue($this->condition));
  }
  
  /**
   * Tests evaluating the condition for an alias that can be resolved.
   *
   * @covers ::evaluate
   */
  public function testConditionEvaluationAliasWithPath() {
    // If the path exists, getPathByAlias() should return the path.
    $this->aliasManager
      ->getPathByAlias('/alias-for-path', NULL)
      ->willReturn('/path-with-alias')
      ->shouldBeCalledTimes(1);
    $this->aliasManager
      ->getPathByAlias('/alias-for-path', 'en')
      ->willReturn('/path-with-alias')
      ->shouldBeCalledTimes(1);
    // First, only set the path context.
    $this->condition
      ->setContextValue('alias', '/alias-for-path');
    // Test without language context set. This should return true because the
    // alias is defined.
    $this->assertTrue($this->condition
      ->evaluate());
    // Test with language context set. Again, this should return true because
    // the alias is defined.
    $this->condition
      ->setContextValue('language', $this->englishLanguage
      ->reveal());
    $this->assertTrue($this->condition
      ->evaluate());
  }
  
  /**
   * Tests evaluating the condition for an alias that can not be resolved.
   *
   * @covers ::evaluate
   */
  public function testConditionEvaluationAliasWithoutPath() {
    // If the path does not exist, getPathByAlias() should return the alias.
    $this->aliasManager
      ->getPathByAlias('/alias-for-path-that-does-not-exist', NULL)
      ->willReturn('/alias-for-path-that-does-not-exist')
      ->shouldBeCalledTimes(1);
    $this->aliasManager
      ->getPathByAlias('/alias-for-path-that-does-not-exist', 'en')
      ->willReturn('/alias-for-path-that-does-not-exist')
      ->shouldBeCalledTimes(1);
    // First, only set the path context.
    $this->condition
      ->setContextValue('alias', '/alias-for-path-that-does-not-exist');
    // Test without language context set. This should return false because the
    // alias was not defined.
    $this->assertFalse($this->condition
      ->evaluate());
    // Test with language context set.
    $this->condition
      ->setContextValue('language', $this->englishLanguage
      ->reveal());
    $this->assertFalse($this->condition
      ->evaluate());
  }

}