function InvalidDataTest::testInsertDuplicateData

Tests aborting of traditional SQL database systems with invalid data.

File

core/tests/Drupal/KernelTests/Core/Database/InvalidDataTest.php, line 18

Class

InvalidDataTest

Tests handling of some invalid data.

Namespace

Code

public function testInsertDuplicateData() {
    // Try to insert multiple records where at least one has bad data.
    try {
        $this->connection
            ->insert('test')
            ->fields([
            'name',
            'age',
            'job',
        ])
            ->values([
            'name' => 'Elvis',
            'age' => 63,
            'job' => 'Singer',
        ])
            ->values([
            // Duplicate value on unique field.
'name' => 'John',
            'age' => 17,
            'job' => 'Consultant',
        ])
            ->values([
            'name' => 'Frank',
            'age' => 75,
            'job' => 'Singer',
        ])
            ->execute();
        $this->fail('Insert succeeded when it should not have.');
    } catch (IntegrityConstraintViolationException $e) {
        // Check if the first record was inserted.
        $name = $this->connection
            ->query('SELECT name FROM {test} WHERE age = :age', [
            ':age' => 63,
        ])
            ->fetchField();
        if ($name == 'Elvis') {
            if (!Database::getConnection()->supportsTransactions()) {
                // This is an expected fail.
                // Database engines that don't support transactions can leave partial
                // inserts in place when an error occurs. This is the case for MySQL
                // when running on a MyISAM table.
                $this->pass("The whole transaction has not been rolled-back when a duplicate key insert occurs, this is expected because the database doesn't support transactions");
            }
            else {
                $this->fail('The whole transaction is rolled back when a duplicate key insert occurs.');
            }
        }
        else {
            $this->pass('The whole transaction is rolled back when a duplicate key insert occurs.');
        }
        // Ensure the other values were not inserted.
        $record = $this->connection
            ->select('test')
            ->fields('test', [
            'name',
            'age',
        ])
            ->condition('age', [
            17,
            75,
        ], 'IN')
            ->execute()
            ->fetchObject();
        $this->assertFalse($record, 'The rest of the insert aborted as expected.');
    }
}