InsertDefaultsTest.php

<?php

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

use Drupal\Core\Database\Query\NoFieldsException;

/**
 * Tests the Insert query builder with default values.
 *
 * @group Database
 */
class InsertDefaultsTest extends DatabaseTestBase {

  /**
   * Tests that we can run a query that uses default values for everything.
   *
   * @see \database_test_schema()
   */
  public function testDefaultInsert() {
    $query = $this->connection
      ->insert('test')
      ->useDefaults([
      'job',
    ]);
    $id = $query
      ->execute();
    $job = $this->connection
      ->query('SELECT [job] FROM {test} WHERE [id] = :id', [
      ':id' => $id,
    ])
      ->fetchField();
    $this
      ->assertSame('Undefined', $job, 'Default field value is set.');
  }

  /**
   * Tests that no action will be preformed if no fields are specified.
   */
  public function testDefaultEmptyInsert() {
    $num_records_before = (int) $this->connection
      ->query('SELECT COUNT(*) FROM {test}')
      ->fetchField();
    try {
      $this->connection
        ->insert('test')
        ->execute();

      // This is only executed if no exception has been thrown.
      $this
        ->fail('Expected exception NoFieldsException has not been thrown.');
    } catch (NoFieldsException $e) {

      // Expected exception; just continue testing.
    }
    $num_records_after = (int) $this->connection
      ->query('SELECT COUNT(*) FROM {test}')
      ->fetchField();
    $this
      ->assertSame($num_records_before, $num_records_after, 'Do nothing as no fields are specified.');
  }

  /**
   * Tests that we can insert fields with values and defaults in the same query.
   *
   * @see \database_test_schema()
   */
  public function testDefaultInsertWithFields() {
    $query = $this->connection
      ->insert('test')
      ->fields([
      'name' => 'Bob',
    ])
      ->useDefaults([
      'job',
    ]);
    $id = $query
      ->execute();
    $job = $this->connection
      ->query('SELECT [job] FROM {test} WHERE [id] = :id', [
      ':id' => $id,
    ])
      ->fetchField();
    $this
      ->assertSame('Undefined', $job, 'Default field value is set.');
  }

}