function DeleteTruncateTest::testSimpleDelete

Confirms that we can delete a single record successfully.

File

core/tests/Drupal/KernelTests/Core/Database/DeleteTruncateTest.php, line 48

Class

DeleteTruncateTest

Tests delete and truncate queries.

Namespace

Code

public function testSimpleDelete() : void {
    $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.');
}