public function InvalidDataTest::testInsertDuplicateDataFromSelect in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/KernelTests/Core/Database/InvalidDataTest.php \Drupal\KernelTests\Core\Database\InvalidDataTest::testInsertDuplicateDataFromSelect()

Tests inserting with invalid data from a select query.

File

core/tests/Drupal/KernelTests/Core/Database/InvalidDataTest.php, line 74

Class

InvalidDataTest

Tests handling of some invalid data.

Namespace

Drupal\KernelTests\Core\Database

Code

public function testInsertDuplicateDataFromSelect() {

  // Insert multiple records in 'test_people' where one has bad data
  // (duplicate key). A 'Meredith' record has already been inserted
  // in ::setUp.
  $this->connection
    ->insert('test_people')
    ->fields([
    'name',
    'age',
    'job',
  ])
    ->values([
    'name' => 'Elvis',
    'age' => 63,
    'job' => 'Singer',
  ])
    ->values([
    // Duplicate value on unique field 'name' for later INSERT in 'test'
    // table.
    'name' => 'John',
    'age' => 17,
    'job' => 'Consultant',
  ])
    ->values([
    'name' => 'Frank',
    'age' => 75,
    'job' => 'Bass',
  ])
    ->execute();
  try {

    // Define the subselect query. Add ORDER BY to ensure we have consistent
    // order in results. Will return:
    // 0 => [name] => Elvis, [age] => 63, [job] => Singer
    // 1 => [name] => Frank, [age] => 75, [job] => Bass
    // 2 => [name] => John, [age] => 17, [job] => Consultant
    // 3 => [name] => Meredith, [age] => 30, [job] => Speaker
    // Records 0 and 1 should pass, record 2 should lead to integrity
    // constraint violation.
    $query = $this->connection
      ->select('test_people', 'tp')
      ->fields('tp', [
      'name',
      'age',
      'job',
    ])
      ->orderBy('name');

    // Try inserting from the subselect.
    $this->connection
      ->insert('test')
      ->from($query)
      ->execute();
    $this
      ->fail('Insert succeeded when it should not have.');
  } catch (IntegrityConstraintViolationException $e) {

    // Check if the second record was inserted.
    $name = $this->connection
      ->query('SELECT name FROM {test} WHERE age = :age', [
      ':age' => 75,
    ])
      ->fetchField();
    if ($name == 'Frank') {
      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 values for records 2 and 3 were not inserted.
    $record = $this->connection
      ->select('test')
      ->fields('test', [
      'name',
      'age',
    ])
      ->condition('age', [
      17,
      30,
    ], 'IN')
      ->execute()
      ->fetchObject();
    $this
      ->assertFalse($record, 'The rest of the insert aborted as expected.');
  }
}