InsertDefaultsTest.php

<?php

namespace Drupal\KernelTests\Core\Database;

use Drupal\Core\Database\Query\NoFieldsException;

/**
 * Tests the Insert query builder with default values.
 *
 * @group Database
 */
class InsertDefaultsTest extends DatabaseTestBase {
    
    /**
     * Tests that we can run a query that uses default values for everything.
     *
     * @see \database_test_schema()
     */
    public function testDefaultInsert() {
        $query = $this->connection
            ->insert('test')
            ->useDefaults([
            'job',
        ]);
        $id = $query->execute();
        $job = $this->connection
            ->query('SELECT [job] FROM {test} WHERE [id] = :id', [
            ':id' => $id,
        ])
            ->fetchField();
        $this->assertSame('Undefined', $job, 'Default field value is set.');
    }
    
    /**
     * Tests that no action will be preformed if no fields are specified.
     */
    public function testDefaultEmptyInsert() {
        $num_records_before = (int) $this->connection
            ->query('SELECT COUNT(*) FROM {test}')
            ->fetchField();
        try {
            $this->connection
                ->insert('test')
                ->execute();
            // This is only executed if no exception has been thrown.
            $this->fail('Expected exception NoFieldsException has not been thrown.');
        } catch (NoFieldsException $e) {
            // Expected exception; just continue testing.
        }
        $num_records_after = (int) $this->connection
            ->query('SELECT COUNT(*) FROM {test}')
            ->fetchField();
        $this->assertSame($num_records_before, $num_records_after, 'Do nothing as no fields are specified.');
    }
    
    /**
     * Tests that we can insert fields with values and defaults in the same query.
     *
     * @see \database_test_schema()
     */
    public function testDefaultInsertWithFields() {
        $query = $this->connection
            ->insert('test')
            ->fields([
            'name' => 'Bob',
        ])
            ->useDefaults([
            'job',
        ]);
        $id = $query->execute();
        $job = $this->connection
            ->query('SELECT [job] FROM {test} WHERE [id] = :id', [
            ':id' => $id,
        ])
            ->fetchField();
        $this->assertSame('Undefined', $job, 'Default field value is set.');
    }

}