public function UpdateTest::testSimpleNullUpdate in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Database/UpdateTest.php \Drupal\KernelTests\Core\Database\UpdateTest::testSimpleNullUpdate()

Confirms updating to NULL.

File

core/tests/Drupal/KernelTests/Core/Database/UpdateTest.php, line 32

Class

UpdateTest

Tests the update query builder.

Namespace

Drupal\KernelTests\Core\Database

Code

public function testSimpleNullUpdate() {
  $this
    ->ensureSampleDataNull();
  $num_updated = $this->connection
    ->update('test_null')
    ->fields([
    'age' => NULL,
  ])
    ->condition('name', 'Kermit')
    ->execute();
  $this
    ->assertSame(1, $num_updated, 'Updated 1 record.');
  $saved_age = $this->connection
    ->query('SELECT [age] FROM {test_null} WHERE [name] = :name', [
    ':name' => 'Kermit',
  ])
    ->fetchField();
  $this
    ->assertNull($saved_age, 'Updated name successfully.');
}