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());
    }

}