public function DeleteTruncateTest::testSimpleDelete in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Database/DeleteTruncateTest.php \Drupal\KernelTests\Core\Database\DeleteTruncateTest::testSimpleDelete()

Confirms that we can delete a single record successfully.

File

core/tests/Drupal/KernelTests/Core/Database/DeleteTruncateTest.php, line 46

Class

DeleteTruncateTest

Tests delete and truncate queries.

Namespace

Drupal\KernelTests\Core\Database

Code

public function testSimpleDelete() {
  $num_records_before = $this->connection
    ->query('SELECT COUNT(*) FROM {test}')
    ->fetchField();
  $num_deleted = $this->connection
    ->delete('test')
    ->condition('id', 1)
    ->execute();
  $this
    ->assertSame(1, $num_deleted, 'Deleted 1 record.');
  $num_records_after = $this->connection
    ->query('SELECT COUNT(*) FROM {test}')
    ->fetchField();
  $this
    ->assertEquals($num_records_before, $num_records_after + $num_deleted, 'Deletion adds up.');
}