RulesComponentTest.php

<?php

namespace Drupal\Tests\rules\Unit\Integration\Engine;

use Drupal\rules\Context\ContextConfig;
use Drupal\rules\Context\ContextDefinition;
use Drupal\rules\Engine\RulesComponent;
use Drupal\rules\Context\ExecutionStateInterface;
use Drupal\Tests\rules\Unit\Integration\RulesIntegrationTestBase;

/**
 * Tests the Rules component class.
 *
 * @coversDefaultClass \Drupal\rules\Engine\RulesComponent
 * @group Rules
 */
class RulesComponentTest extends RulesIntegrationTestBase {
    
    /**
     * Tests executing a rule providing context based upon given context.
     */
    public function testRuleExecutionWithContext() {
        $rule = $this->rulesExpressionManager
            ->createRule();
        $rule->addAction('rules_test_string', ContextConfig::create()->map('text', 'text'));
        $result = RulesComponent::create($rule)->addContextDefinition('text', ContextDefinition::create('string'))
            ->provideContext('concatenated')
            ->setContextValue('text', 'foo')
            ->execute();
        // Ensure the provided context is returned.
        $this->assertArrayHasKey('concatenated', $result);
        $this->assertEquals('foofoo', $result['concatenated']);
    }
    
    /**
     * @covers ::getExpression
     */
    public function testGetExpression() {
        $rule = $this->rulesExpressionManager
            ->createRule();
        $this->assertSame(RulesComponent::create($rule)->getExpression(), $rule);
    }
    
    /**
     * @covers ::getContextDefinitions
     */
    public function testGetContextDefinitions() {
        $rule = $this->rulesExpressionManager
            ->createRule();
        $definition = ContextDefinition::create('string');
        $component = RulesComponent::create($rule)->addContextDefinition('test', $definition);
        $this->assertEquals(array_keys($component->getContextDefinitions()), [
            'test',
        ]);
        $this->assertSame($component->getContextDefinitions()['test'], $definition);
    }
    
    /**
     * @covers ::getProvidedContext
     */
    public function testGetProvidedContext() {
        $rule = $this->rulesExpressionManager
            ->createRule();
        $component = RulesComponent::create($rule)->provideContext('test');
        $this->assertEquals($component->getProvidedContext(), [
            'test',
        ]);
    }
    
    /**
     * @covers ::getState
     */
    public function testGetState() {
        $rule = $this->rulesExpressionManager
            ->createRule();
        $component = RulesComponent::create($rule);
        $this->assertInstanceOf(ExecutionStateInterface::class, $component->getState());
        // Test that set context values are available in the state.
        $component->addContextDefinition('foo', ContextDefinition::create('string'))
            ->setContextValue('foo', 'bar');
        $this->assertEquals($component->getState()
            ->getVariableValue('foo'), 'bar');
    }

}