OptionalContextConditionTest.php

<?php

namespace Drupal\KernelTests\Core\Plugin\Condition;

use Drupal\Core\Plugin\Context\Context;
use Drupal\Core\Plugin\Context\EntityContext;
use Drupal\Core\Plugin\Context\EntityContextDefinition;
use Drupal\KernelTests\KernelTestBase;
use Drupal\node\Entity\Node;
use Drupal\node\Entity\NodeType;

/**
 * Tests a condition with optional context.
 *
 * @group condition_test
 */
class OptionalContextConditionTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'system',
        'user',
        'condition_test',
        'node',
    ];
    
    /**
     * Tests with both contexts mapped to the same user.
     */
    public function testContextMissing() {
        
        /** @var \Drupal\Core\Condition\ConditionPluginBase $condition */
        $condition = \Drupal::service('plugin.manager.condition')->createInstance('condition_test_optional_context')
            ->setContextMapping([
            'node' => 'node',
        ]);
        \Drupal::service('context.handler')->applyContextMapping($condition, []);
        $this->assertTrue($condition->execute());
    }
    
    /**
     * Tests with both contexts mapped to the same user.
     */
    public function testContextNoValue() {
        
        /** @var \Drupal\Core\Condition\ConditionPluginBase $condition */
        $condition = \Drupal::service('plugin.manager.condition')->createInstance('condition_test_optional_context')
            ->setContextMapping([
            'node' => 'node',
        ]);
        $definition = EntityContextDefinition::fromEntityTypeId('node');
        $contexts['node'] = new Context($definition);
        \Drupal::service('context.handler')->applyContextMapping($condition, $contexts);
        $this->assertTrue($condition->execute());
    }
    
    /**
     * Tests with both contexts mapped to the same user.
     */
    public function testContextAvailable() {
        NodeType::create([
            'type' => 'example',
            'name' => 'Example',
        ])->save();
        
        /** @var \Drupal\Core\Condition\ConditionPluginBase $condition */
        $condition = \Drupal::service('plugin.manager.condition')->createInstance('condition_test_optional_context')
            ->setContextMapping([
            'node' => 'node',
        ]);
        $node = Node::create([
            'type' => 'example',
        ]);
        $contexts['node'] = EntityContext::fromEntity($node);
        \Drupal::service('context.handler')->applyContextMapping($condition, $contexts);
        $this->assertFalse($condition->execute());
    }

}