ConcatTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\migrate\Unit\process;

use Drupal\migrate\MigrateException;
use Drupal\migrate\Plugin\migrate\process\Concat;

/**
 * Tests the concat process plugin.
 *
 * @group migrate
 */
class ConcatTest extends MigrateProcessTestCase {
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    $this->plugin = new TestConcat();
    parent::setUp();
  }
  
  /**
   * Tests concat works without a delimiter.
   */
  public function testConcatWithoutDelimiter() : void {
    $value = $this->plugin
      ->transform([
      'foo',
      'bar',
    ], $this->migrateExecutable, $this->row, 'destination_property');
    $this->assertSame('foobar', $value);
  }
  
  /**
   * Tests concat fails properly on non-arrays.
   */
  public function testConcatWithNonArray() : void {
    $this->expectException(MigrateException::class);
    $this->plugin
      ->transform('foo', $this->migrateExecutable, $this->row, 'destination_property');
  }
  
  /**
   * Tests concat works without a delimiter.
   */
  public function testConcatWithDelimiter() : void {
    $this->plugin
      ->setDelimiter('_');
    $value = $this->plugin
      ->transform([
      'foo',
      'bar',
    ], $this->migrateExecutable, $this->row, 'destination_property');
    $this->assertSame('foo_bar', $value);
  }

}

/**
 * Mock class for the concat process plugin.
 */
class TestConcat extends Concat {
  public function __construct() {
  }
  
  /**
   * Set the delimiter.
   *
   * @param string $delimiter
   *   The new delimiter.
   */
  public function setDelimiter($delimiter) : void {
    $this->configuration['delimiter'] = $delimiter;
  }

}