public function RangeQueryTest::testRangeQuery in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Database/RangeQueryTest.php \Drupal\KernelTests\Core\Database\RangeQueryTest::testRangeQuery()
2. 10 core/tests/Drupal/KernelTests/Core/Database/RangeQueryTest.php \Drupal\KernelTests\Core\Database\RangeQueryTest::testRangeQuery()

Confirms that range queries work and return the correct result.

File

core/tests/Drupal/KernelTests/Core/Database/RangeQueryTest.php, line 15

Class

RangeQueryTest

Tests the Range query functionality.

Namespace

Drupal\KernelTests\Core\Database

Code

public function testRangeQuery() {

  // Test if return correct number of rows.
  $range_rows = $this->connection
    ->queryRange("SELECT [name] FROM {test} ORDER BY [name]", 1, 3)
    ->fetchAll();
  $this
    ->assertCount(3, $range_rows, 'Range query work and return correct number of rows.');

  // Test if return target data.
  $raw_rows = $this->connection
    ->query('SELECT [name] FROM {test} ORDER BY [name]')
    ->fetchAll();
  $raw_rows = array_slice($raw_rows, 1, 3);
  $this
    ->assertEquals($range_rows, $raw_rows);
}