InsertLobTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Database;


/**
 * Tests the Insert query builder with LOB fields.
 *
 * @group Database
 */
class InsertLobTest extends DatabaseTestBase {

  /**
   * Tests that we can insert a single blob field successfully.
   */
  public function testInsertOneBlob() {
    $data = "This is\0a test.";
    $this
      ->assertSame(15, strlen($data), 'Test data contains a NULL.');
    $id = $this->connection
      ->insert('test_one_blob')
      ->fields([
      'blob1' => $data,
    ])
      ->execute();
    $r = $this->connection
      ->query('SELECT * FROM {test_one_blob} WHERE [id] = :id', [
      ':id' => $id,
    ])
      ->fetchAssoc();
    $this
      ->assertSame($data, $r['blob1'], "Can insert a blob: id {$id}, " . serialize($r));
  }

  /**
   * Tests that we can insert a null into blob field.
   */
  public function testInsertNullBlob() {
    $id = $this->connection
      ->insert('test_one_blob')
      ->fields([
      'blob1' => NULL,
    ])
      ->execute();
    $r = $this->connection
      ->query('SELECT * FROM {test_one_blob} WHERE [id] = :id', [
      ':id' => $id,
    ])
      ->fetchAssoc();
    $this
      ->assertNull($r['blob1']);
  }

  /**
   * Tests that we can insert multiple blob fields in the same query.
   */
  public function testInsertMultipleBlob() {
    $id = $this->connection
      ->insert('test_two_blobs')
      ->fields([
      'blob1' => 'This is',
      'blob2' => 'a test',
    ])
      ->execute();
    $r = $this->connection
      ->query('SELECT * FROM {test_two_blobs} WHERE [id] = :id', [
      ':id' => $id,
    ])
      ->fetchAssoc();
    $this
      ->assertSame('This is', $r['blob1']);
    $this
      ->assertSame('a test', $r['blob2']);
  }

}