VariableAddTest.php

<?php

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

use Drupal\Tests\rules\Unit\Integration\RulesIntegrationTestBase;

/**
 * @coversDefaultClass \Drupal\rules\Plugin\RulesAction\VariableAdd
 * @group RulesAction
 */
class VariableAddTest extends RulesIntegrationTestBase {
  
  /**
   * Test the action execution.
   *
   * @covers ::execute
   */
  public function testExecute() {
    $variable = 'test string';
    /** @var \Drupal\rules\Plugin\RulesAction\VariableAdd $action */
    $action = $this->actionManager
      ->createInstance('rules_variable_add');
    $action->setContextValue('type', 'string');
    $action->setContextValue('value', $variable);
    $action->refineContextDefinitions([]);
    $action->execute();
    $result = $action->getProvidedContext('variable_added');
    $this->assertEquals($variable, $result->getContextValue());
    $this->assertEquals('string', $result->getContextDefinition()
      ->getDataType());
  }

}