class SelectOrderedTest in Drupal 10

Tests the Select query builder.

@group Database

Hierarchy

• class \Drupal\KernelTests\KernelTestBase extends \PHPUnit\Framework\TestCase implements ServiceProviderInterface uses \Drupal\Tests\PhpUnitCompatibilityTrait, \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait, AssertContentTrait, ConfigTestTrait, ExtensionListTestTrait, RandomGeneratorTrait, TestRequirementsTrait, PhpUnitWarnings
  • class \Drupal\KernelTests\Core\Database\DatabaseTestBase
    • class \Drupal\KernelTests\Core\Database\SelectOrderedTest

File

core/tests/Drupal/KernelTests/Core/Database/SelectOrderedTest.php, line 10

Namespace

Drupal\KernelTests\Core\Database

class SelectOrderedTest extends DatabaseTestBase {

  /**
   * Tests basic ORDER BY.
   */
  public function testSimpleSelectOrdered() {
    $query = $this->connection
      ->select('test');
    $query
      ->addField('test', 'name');
    $age_field = $query
      ->addField('test', 'age', 'age');
    $query
      ->orderBy($age_field);
    $result = $query
      ->execute();
    $num_records = 0;
    $last_age = 0;
    foreach ($result as $record) {
      $num_records++;

      // Verify that the results are returned in the correct order.
      $this
        ->assertGreaterThanOrEqual($last_age, $record->age);
      $last_age = $record->age;
    }
    $this
      ->assertEquals(4, $num_records, 'Returned the correct number of rows.');
  }

  /**
   * Tests multiple ORDER BY.
   */
  public function testSimpleSelectMultiOrdered() {
    $query = $this->connection
      ->select('test');
    $query
      ->addField('test', 'name');
    $age_field = $query
      ->addField('test', 'age', 'age');
    $job_field = $query
      ->addField('test', 'job');
    $query
      ->orderBy($job_field);
    $query
      ->orderBy($age_field);
    $result = $query
      ->execute();
    $num_records = 0;
    $expected = [
      [
        'Ringo',
        28,
        'Drummer',
      ],
      [
        'John',
        25,
        'Singer',
      ],
      [
        'George',
        27,
        'Singer',
      ],
      [
        'Paul',
        26,
        'Songwriter',
      ],
    ];
    $results = $result
      ->fetchAll(\PDO::FETCH_NUM);
    foreach ($expected as $k => $record) {
      $num_records++;
      foreach ($record as $kk => $col) {
        if ($expected[$k][$kk] != $results[$k][$kk]) {
          $this
            ->assertTrue(FALSE, 'Results returned in correct order.');
        }
      }
    }
    $this
      ->assertEquals(4, $num_records, 'Returned the correct number of rows.');
  }

  /**
   * Tests ORDER BY descending.
   */
  public function testSimpleSelectOrderedDesc() {
    $query = $this->connection
      ->select('test');
    $query
      ->addField('test', 'name');
    $age_field = $query
      ->addField('test', 'age', 'age');
    $query
      ->orderBy($age_field, 'DESC');
    $result = $query
      ->execute();
    $num_records = 0;
    $last_age = 100000000;
    foreach ($result as $record) {
      $num_records++;

      // Verify that the results are returned in the correct order.
      $this
        ->assertLessThanOrEqual($last_age, $record->age);
      $last_age = $record->age;
    }
    $this
      ->assertEquals(4, $num_records, 'Returned the correct number of rows.');
  }

}