function SelectTest::testIsNullCondition

Tests that we can find a record with a NULL value.

File

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

Class

SelectTest

Tests the Select query builder.

Namespace

Code

public function testIsNullCondition() : void {
    $this->ensureSampleDataNull();
    $names = $this->connection
        ->select('test_null', 'tn')
        ->fields('tn', [
        'name',
    ])
        ->isNull('age')
        ->execute()
        ->fetchCol();
    $this->assertCount(1, $names, 'Correct number of records found with NULL age.');
    $this->assertEquals('Ernie', $names[0], 'Correct record returned for NULL age.');
}