function SelectTest::testAlwaysFalseCondition

Tests that we can force a query to return an empty result.

File

core/tests/Drupal/KernelTests/Core/Database/SelectTest.php, line 263

Class

SelectTest

Tests the Select query builder.

Namespace

Code

public function testAlwaysFalseCondition() : void {
    $names = $this->connection
        ->select('test', 'test')
        ->fields('test', [
        'name',
    ])
        ->condition('age', 27)
        ->execute()
        ->fetchCol();
    $this->assertCount(1, $names);
    $this->assertSame($names[0], 'George');
    $names = $this->connection
        ->select('test', 'test')
        ->fields('test', [
        'name',
    ])
        ->condition('age', 27)
        ->alwaysFalse()
        ->execute()
        ->fetchCol();
    $this->assertCount(0, $names);
}