function SelectComplexTest::testCountQueryRemovals

Tests that countQuery removes 'all_fields' statements and ordering clauses.

File

core/tests/Drupal/KernelTests/Core/Database/SelectComplexTest.php, line 231

Class

SelectComplexTest

Tests the Select query builder with more complex queries.

Namespace

Code

public function testCountQueryRemovals() : void {
  $query = $this->connection
    ->select('test');
  $query->fields('test');
  $query->orderBy('name');
  $count = $query->countQuery();
  // Check that the 'all_fields' statement is handled properly.
  $tables = $query->getTables();
  $this->assertEquals(1, $tables['test']['all_fields'], 'Query correctly sets \'all_fields\' statement.');
  $tables = $count->getTables();
  $this->assertFalse(isset($tables['test']['all_fields']), 'Count query correctly unsets \'all_fields\' statement.');
  // Check that the ordering clause is handled properly.
  $orderby = $query->getOrderBy();
  // The orderby string is different for PostgreSQL.
  // @see Drupal\pgsql\Driver\Database\pgsql\Select::orderBy()
  $db_type = Database::getConnection()->databaseType();
  $this->assertEquals($db_type == 'pgsql' ? 'ASC NULLS FIRST' : 'ASC', $orderby['name'], 'Query correctly sets ordering clause.');
  $orderby = $count->getOrderBy();
  $this->assertFalse(isset($orderby['name']), 'Count query correctly unsets ordering clause.');
  // Make sure that the count query works.
  $count = $count->execute()
    ->fetchField();
  $this->assertEquals(4, $count, 'Counted the correct number of records.');
}