database_test.test 129 KB
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<?php

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use Drupal\Database\Database;
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use Drupal\Database\DatabaseStatementEmpty;
use Drupal\Database\DatabaseStatementInterface;
use Drupal\Database\NoFieldsException;
use Drupal\Database\InvalidMergeQueryException;
use Drupal\Database\Query\Merge;
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/**
 * Dummy class for fetching into a class.
 *
 * PDO supports using a new instance of an arbitrary class for records
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 * rather than just a stdClass or array. This class is for testing that
 * functionality. (See testQueryFetchClass() below)
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 */
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class FakeRecord { }

/**
 * Base test class for databases.
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 *
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 * Because all database tests share the same test data, we can centralize that
 * here.
 */
class DatabaseTestCase extends DrupalWebTestCase {
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  protected $profile = 'testing';
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  function setUp() {
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    parent::setUp('database_test');
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    $schema['test'] = drupal_get_schema('test');
    $schema['test_people'] = drupal_get_schema('test_people');
    $schema['test_one_blob'] = drupal_get_schema('test_one_blob');
    $schema['test_two_blobs'] = drupal_get_schema('test_two_blobs');
    $schema['test_task'] = drupal_get_schema('test_task');

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    $this->installTables($schema);

    $this->addSampleData();
  }

  /**
   * Set up several tables needed by a certain test.
   *
   * @param $schema
   *   An array of table definitions to install.
   */
  function installTables($schema) {
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    // This ends up being a test for table drop and create, too, which is nice.
    foreach ($schema as $name => $data) {
      if (db_table_exists($name)) {
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        db_drop_table($name);
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      }
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      db_create_table($name, $data);
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    }
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    foreach ($schema as $name => $data) {
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      $this->assertTrue(db_table_exists($name), t('Table @name created successfully.', array('@name' => $name)));
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    }
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  }
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  /**
   * Set up tables for NULL handling.
   */
  function ensureSampleDataNull() {
    $schema['test_null'] = drupal_get_schema('test_null');
    $this->installTables($schema);

    db_insert('test_null')
    ->fields(array('name', 'age'))
    ->values(array(
      'name' => 'Kermit',
      'age' => 25,
    ))
    ->values(array(
      'name' => 'Fozzie',
      'age' => NULL,
    ))
    ->values(array(
      'name' => 'Gonzo',
      'age' => 27,
    ))
    ->execute();
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  }

  /**
   * Setup our sample data.
   *
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   * These are added using db_query(), since we're not trying to test the
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   * INSERT operations here, just populate.
   */
  function addSampleData() {
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    // We need the IDs, so we can't use a multi-insert here.
    $john = db_insert('test')
      ->fields(array(
        'name' => 'John',
        'age' => 25,
        'job' => 'Singer',
      ))
      ->execute();

    $george = db_insert('test')
      ->fields(array(
        'name' => 'George',
        'age' => 27,
        'job' => 'Singer',
      ))
      ->execute();

    $ringo = db_insert('test')
      ->fields(array(
        'name' => 'Ringo',
        'age' => 28,
        'job' => 'Drummer',
      ))
      ->execute();

    $paul = db_insert('test')
      ->fields(array(
        'name' => 'Paul',
        'age' => 26,
        'job' => 'Songwriter',
      ))
      ->execute();

    db_insert('test_people')
      ->fields(array(
        'name' => 'Meredith',
        'age' => 30,
        'job' => 'Speaker',
      ))
      ->execute();

    db_insert('test_task')
      ->fields(array('pid', 'task', 'priority'))
      ->values(array(
        'pid' => $john,
        'task' => 'eat',
        'priority' => 3,
      ))
      ->values(array(
        'pid' => $john,
        'task' => 'sleep',
        'priority' => 4,
      ))
      ->values(array(
        'pid' => $john,
        'task' => 'code',
        'priority' => 1,
      ))
      ->values(array(
        'pid' => $george,
        'task' => 'sing',
        'priority' => 2,
      ))
      ->values(array(
        'pid' => $george,
        'task' => 'sleep',
        'priority' => 2,
      ))
      ->values(array(
        'pid' => $paul,
        'task' => 'found new band',
        'priority' => 1,
      ))
      ->values(array(
        'pid' => $paul,
        'task' => 'perform at superbowl',
        'priority' => 3,
      ))
      ->execute();
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  }
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}

/**
 * Test connection management.
 */
class DatabaseConnectionTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Connection tests',
      'description' => 'Tests of the core database system.',
      'group' => 'Database',
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    );
  }

  /**
   * Test that connections return appropriate connection objects.
   */
  function testConnectionRouting() {
    // Clone the master credentials to a slave connection.
    // Note this will result in two independent connection objects that happen
    // to point to the same place.
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    $connection_info = Database::getConnectionInfo('default');
    Database::addConnectionInfo('default', 'slave', $connection_info['default']);
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    $db1 = Database::getConnection('default', 'default');
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    $db2 = Database::getConnection('slave', 'default');
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    $this->assertNotNull($db1, t('default connection is a real connection object.'));
    $this->assertNotNull($db2, t('slave connection is a real connection object.'));
    $this->assertNotIdentical($db1, $db2, t('Each target refers to a different connection.'));
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    // Try to open those targets another time, that should return the same objects.
    $db1b = Database::getConnection('default', 'default');
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    $db2b = Database::getConnection('slave', 'default');
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    $this->assertIdentical($db1, $db1b, t('A second call to getConnection() returns the same object.'));
    $this->assertIdentical($db2, $db2b, t('A second call to getConnection() returns the same object.'));
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    // Try to open an unknown target.
    $unknown_target = $this->randomName();
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    $db3 = Database::getConnection($unknown_target, 'default');
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    $this->assertNotNull($db3, t('Opening an unknown target returns a real connection object.'));
    $this->assertIdentical($db1, $db3, t('An unknown target opens the default connection.'));
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    // Try to open that unknown target another time, that should return the same object.
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    $db3b = Database::getConnection($unknown_target, 'default');
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    $this->assertIdentical($db3, $db3b, t('A second call to getConnection() returns the same object.'));
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  }

  /**
   * Test that connections return appropriate connection objects.
   */
  function testConnectionRoutingOverride() {
    // Clone the master credentials to a slave connection.
    // Note this will result in two independent connection objects that happen
    // to point to the same place.
    $connection_info = Database::getConnectionInfo('default');
    Database::addConnectionInfo('default', 'slave', $connection_info['default']);

    Database::ignoreTarget('default', 'slave');

    $db1 = Database::getConnection('default', 'default');
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    $db2 = Database::getConnection('slave', 'default');
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    $this->assertIdentical($db1, $db2, t('Both targets refer to the same connection.'));
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  }
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  /**
   * Tests the closing of a database connection.
   */
  function testConnectionClosing() {
    // Open the default target so we have an object to compare.
    $db1 = Database::getConnection('default', 'default');

    // Try to close the the default connection, then open a new one.
    Database::closeConnection('default', 'default');
    $db2 = Database::getConnection('default', 'default');

    // Opening a connection after closing it should yield an object different than the original.
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    $this->assertNotIdentical($db1, $db2, t('Opening the default connection after it is closed returns a new object.'));
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  }
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  /**
   * Tests the connection options of the active database.
   */
  function testConnectionOptions() {
    $connection_info = Database::getConnectionInfo('default');

    // Be sure we're connected to the default database.
    $db = Database::getConnection('default', 'default');
    $connectionOptions = $db->getConnectionOptions();

    // In the MySQL driver, the port can be different, so check individual
    // options.
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    $this->assertEqual($connection_info['default']['driver'], $connectionOptions['driver'], t('The default connection info driver matches the current connection options driver.'));
    $this->assertEqual($connection_info['default']['database'], $connectionOptions['database'], t('The default connection info database matches the current connection options database.'));
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    // Set up identical slave and confirm connection options are identical.
    Database::addConnectionInfo('default', 'slave', $connection_info['default']);
    $db2 = Database::getConnection('slave', 'default');
    $connectionOptions2 = $db2->getConnectionOptions();

    // Get a fresh copy of the default connection options.
    $connectionOptions = $db->getConnectionOptions();
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    $this->assertIdentical($connectionOptions, $connectionOptions2, t('The default and slave connection options are identical.'));
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    // Set up a new connection with different connection info.
    $test = $connection_info['default'];
    $test['database'] .= 'test';
    Database::addConnectionInfo('test', 'default', $test);
    $connection_info = Database::getConnectionInfo('test');

    // Get a fresh copy of the default connection options.
    $connectionOptions = $db->getConnectionOptions();
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    $this->assertNotEqual($connection_info['default']['database'], $connectionOptions['database'], t('The test connection info database does not match the current connection options database.'));
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  }
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}

/**
 * Test fetch actions, part 1.
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 *
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 * We get timeout errors if we try to run too many tests at once.
 */
class DatabaseFetchTestCase extends DatabaseTestCase {
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  public static function getInfo() {
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    return array(
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      'name' => 'Fetch tests',
      'description' => 'Test the Database system\'s various fetch capabilities.',
      'group' => 'Database',
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    );
  }

  /**
   * Confirm that we can fetch a record properly in default object mode.
   */
  function testQueryFetchDefault() {
    $records = array();
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    $result = db_query('SELECT name FROM {test} WHERE age = :age', array(':age' => 25));
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    $this->assertTrue($result instanceof DatabaseStatementInterface, t('Result set is a Drupal statement object.'));
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    foreach ($result as $record) {
      $records[] = $record;
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      $this->assertTrue(is_object($record), t('Record is an object.'));
      $this->assertIdentical($record->name, 'John', t('25 year old is John.'));
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    }

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    $this->assertIdentical(count($records), 1, t('There is only one record.'));
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  }

  /**
   * Confirm that we can fetch a record to an object explicitly.
   */
  function testQueryFetchObject() {
    $records = array();
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    $result = db_query('SELECT name FROM {test} WHERE age = :age', array(':age' => 25), array('fetch' => PDO::FETCH_OBJ));
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    foreach ($result as $record) {
      $records[] = $record;
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      $this->assertTrue(is_object($record), t('Record is an object.'));
      $this->assertIdentical($record->name, 'John', t('25 year old is John.'));
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    }

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    $this->assertIdentical(count($records), 1, t('There is only one record.'));
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  }

  /**
   * Confirm that we can fetch a record to an array associative explicitly.
   */
  function testQueryFetchArray() {
    $records = array();
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    $result = db_query('SELECT name FROM {test} WHERE age = :age', array(':age' => 25), array('fetch' => PDO::FETCH_ASSOC));
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    foreach ($result as $record) {
      $records[] = $record;
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      if ($this->assertTrue(is_array($record), t('Record is an array.'))) {
        $this->assertIdentical($record['name'], 'John', t('Record can be accessed associatively.'));
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      }
    }

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    $this->assertIdentical(count($records), 1, t('There is only one record.'));
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  }

  /**
   * Confirm that we can fetch a record into a new instance of a custom class.
   *
   * @see FakeRecord
   */
  function testQueryFetchClass() {
    $records = array();
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    $result = db_query('SELECT name FROM {test} WHERE age = :age', array(':age' => 25), array('fetch' => 'FakeRecord'));
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    foreach ($result as $record) {
      $records[] = $record;
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      if ($this->assertTrue($record instanceof FakeRecord, t('Record is an object of class FakeRecord.'))) {
        $this->assertIdentical($record->name, 'John', t('25 year old is John.'));
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      }
    }

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    $this->assertIdentical(count($records), 1, t('There is only one record.'));
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  }
}

/**
 * Test fetch actions, part 2.
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 *
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 * We get timeout errors if we try to run too many tests at once.
 */
class DatabaseFetch2TestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Fetch tests, part 2',
      'description' => 'Test the Database system\'s various fetch capabilities.',
      'group' => 'Database',
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    );
  }

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  function setUp() {
    parent::setUp();
  }

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  // Confirm that we can fetch a record into an indexed array explicitly.
  function testQueryFetchNum() {
    $records = array();
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    $result = db_query('SELECT name FROM {test} WHERE age = :age', array(':age' => 25), array('fetch' => PDO::FETCH_NUM));
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    foreach ($result as $record) {
      $records[] = $record;
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      if ($this->assertTrue(is_array($record), t('Record is an array.'))) {
        $this->assertIdentical($record[0], 'John', t('Record can be accessed numerically.'));
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      }
    }

    $this->assertIdentical(count($records), 1, 'There is only one record');
  }

  /**
   * Confirm that we can fetch a record into a doubly-keyed array explicitly.
   */
  function testQueryFetchBoth() {
    $records = array();
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    $result = db_query('SELECT name FROM {test} WHERE age = :age', array(':age' => 25), array('fetch' => PDO::FETCH_BOTH));
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    foreach ($result as $record) {
      $records[] = $record;
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      if ($this->assertTrue(is_array($record), t('Record is an array.'))) {
        $this->assertIdentical($record[0], 'John', t('Record can be accessed numerically.'));
        $this->assertIdentical($record['name'], 'John', t('Record can be accessed associatively.'));
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      }
    }

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    $this->assertIdentical(count($records), 1, t('There is only one record.'));
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  }

  /**
   * Confirm that we can fetch an entire column of a result set at once.
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   */
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  function testQueryFetchCol() {
    $records = array();
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    $result = db_query('SELECT name FROM {test} WHERE age > :age', array(':age' => 25));
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    $column = $result->fetchCol();
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    $this->assertIdentical(count($column), 3, t('fetchCol() returns the right number of records.'));
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    $result = db_query('SELECT name FROM {test} WHERE age > :age', array(':age' => 25));
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    $i = 0;
    foreach ($result as $record) {
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      $this->assertIdentical($record->name, $column[$i++], t('Column matches direct accesss.'));
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    }
  }
}

/**
 * Test the insert builder.
 */
class DatabaseInsertTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Insert tests',
      'description' => 'Test the Insert query builder.',
      'group' => 'Database',
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    );
  }

  /**
   * Test the very basic insert functionality.
   */
  function testSimpleInsert() {
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    $num_records_before = db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $query = db_insert('test');
    $query->fields(array(
      'name' => 'Yoko',
      'age' => '29',
    ));
    $query->execute();
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    $num_records_after = db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $this->assertIdentical($num_records_before + 1, (int) $num_records_after, t('Record inserts correctly.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Yoko'))->fetchField();
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    $this->assertIdentical($saved_age, '29', t('Can retrieve after inserting.'));
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  }

  /**
   * Test that we can insert multiple records in one query object.
   */
  function testMultiInsert() {
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    $num_records_before = (int) db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $query = db_insert('test');
    $query->fields(array(
      'name' => 'Larry',
      'age' => '30',
    ));

    // We should be able to specify values in any order if named.
    $query->values(array(
      'age' => '31',
      'name' => 'Curly',
    ));

    // We should be able to say "use the field order".
    // This is not the recommended mechanism for most cases, but it should work.
    $query->values(array('Moe', '32'));
    $query->execute();

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    $num_records_after = (int) db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $this->assertIdentical($num_records_before + 3, $num_records_after, t('Record inserts correctly.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Larry'))->fetchField();
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    $this->assertIdentical($saved_age, '30', t('Can retrieve after inserting.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Curly'))->fetchField();
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    $this->assertIdentical($saved_age, '31', t('Can retrieve after inserting.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Moe'))->fetchField();
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    $this->assertIdentical($saved_age, '32', t('Can retrieve after inserting.'));
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  }

  /**
   * Test that an insert object can be reused with new data after it executes.
   */
  function testRepeatedInsert() {
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    $num_records_before = db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $query = db_insert('test');
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    $query->fields(array(
      'name' => 'Larry',
      'age' => '30',
    ));
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    $query->execute();  // This should run the insert, but leave the fields intact.
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    // We should be able to specify values in any order if named.
    $query->values(array(
      'age' => '31',
      'name' => 'Curly',
    ));
    $query->execute();

    // We should be able to say "use the field order".
    $query->values(array('Moe', '32'));
    $query->execute();

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    $num_records_after = db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $this->assertIdentical((int) $num_records_before + 3, (int) $num_records_after, t('Record inserts correctly.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Larry'))->fetchField();
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    $this->assertIdentical($saved_age, '30', t('Can retrieve after inserting.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Curly'))->fetchField();
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    $this->assertIdentical($saved_age, '31', t('Can retrieve after inserting.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Moe'))->fetchField();
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    $this->assertIdentical($saved_age, '32', t('Can retrieve after inserting.'));
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  }

  /**
   * Test that we can specify fields without values and specify values later.
   */
  function testInsertFieldOnlyDefinintion() {
    // This is useful for importers, when we want to create a query and define
    // its fields once, then loop over a multi-insert execution.
    db_insert('test')
      ->fields(array('name', 'age'))
      ->values(array('Larry', '30'))
      ->values(array('Curly', '31'))
      ->values(array('Moe', '32'))
      ->execute();
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Larry'))->fetchField();
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    $this->assertIdentical($saved_age, '30', t('Can retrieve after inserting.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Curly'))->fetchField();
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    $this->assertIdentical($saved_age, '31', t('Can retrieve after inserting.'));
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    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Moe'))->fetchField();
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    $this->assertIdentical($saved_age, '32', t('Can retrieve after inserting.'));
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  }

  /**
   * Test that inserts return the proper auto-increment ID.
   */
  function testInsertLastInsertID() {
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    $id = db_insert('test')
      ->fields(array(
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        'name' => 'Larry',
        'age' => '30',
      ))
      ->execute();

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    $this->assertIdentical($id, '5', t('Auto-increment ID returned successfully.'));
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  }
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  /**
   * Test that the INSERT INTO ... SELECT ... syntax works.
   */
  function testInsertSelect() {
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    $query = db_select('test_people', 'tp');
    // The query builder will always append expressions after fields.
    // Add the expression first to test that the insert fields are correctly
    // re-ordered.
    $query->addExpression('tp.age', 'age');
    $query
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      ->fields('tp', array('name','job'))
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      ->condition('tp.name', 'Meredith');

    // The resulting query should be equivalent to:
    // INSERT INTO test (age, name, job)
    // SELECT tp.age AS age, tp.name AS name, tp.job AS job
    // FROM test_people tp
    // WHERE tp.name = 'Meredith'
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    db_insert('test')
      ->from($query)
      ->execute();

    $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Meredith'))->fetchField();
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    $this->assertIdentical($saved_age, '30', t('Can retrieve after inserting.'));
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  }
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}

/**
 * Insert tests using LOB fields, which are weird on some databases.
 */
class DatabaseInsertLOBTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Insert tests, LOB fields',
      'description' => 'Test the Insert query builder with LOB fields.',
      'group' => 'Database',
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    );
  }

  /**
   * Test that we can insert a single blob field successfully.
   */
  function testInsertOneBlob() {
    $data = "This is\000a test.";
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    $this->assertTrue(strlen($data) === 15, t('Test data contains a NULL.'));
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    $id = db_insert('test_one_blob')
      ->fields(array('blob1' => $data))
      ->execute();
    $r = db_query('SELECT * FROM {test_one_blob} WHERE id = :id', array(':id' => $id))->fetchAssoc();
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    $this->assertTrue($r['blob1'] === $data, t('Can insert a blob: id @id, @data.', array('@id' => $id, '@data' => serialize($r))));
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  }

  /**
   * Test that we can insert multiple blob fields in the same query.
   */
  function testInsertMultipleBlob() {
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    $id = db_insert('test_two_blobs')
      ->fields(array(
        'blob1' => 'This is',
        'blob2' => 'a test',
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      ))
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      ->execute();
    $r = db_query('SELECT * FROM {test_two_blobs} WHERE id = :id', array(':id' => $id))->fetchAssoc();
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    $this->assertTrue($r['blob1'] === 'This is' && $r['blob2'] === 'a test', t('Can insert multiple blobs per row.'));
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  }
}

/**
 * Insert tests for "database default" values.
 */
class DatabaseInsertDefaultsTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Insert tests, default fields',
      'description' => 'Test the Insert query builder with default values.',
      'group' => 'Database',
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    );
  }
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  /**
   * Test that we can run a query that is "default values for everything".
   */
  function testDefaultInsert() {
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    $query = db_insert('test')->useDefaults(array('job'));
    $id = $query->execute();
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    $schema = drupal_get_schema('test');
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    $job = db_query('SELECT job FROM {test} WHERE id = :id', array(':id' => $id))->fetchField();
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    $this->assertEqual($job, $schema['fields']['job']['default'], t('Default field value is set.'));
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  }

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  /**
   * Test that no action will be preformed if no fields are specified.
   */
  function testDefaultEmptyInsert() {
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    $num_records_before = (int) db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    try {
      $result = db_insert('test')->execute();
      // This is only executed if no exception has been thrown.
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      $this->fail(t('Expected exception NoFieldsException has not been thrown.'));
    } catch (NoFieldsException $e) {
      $this->pass(t('Expected exception NoFieldsException has been thrown.'));
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    }
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    $num_records_after = (int) db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $this->assertIdentical($num_records_before, $num_records_after, t('Do nothing as no fields are specified.'));
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  }

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  /**
   * Test that we can insert fields with values and defaults in the same query.
   */
  function testDefaultInsertWithFields() {
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    $query = db_insert('test')
      ->fields(array('name' => 'Bob'))
      ->useDefaults(array('job'));
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    $id = $query->execute();
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    $schema = drupal_get_schema('test');
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    $job = db_query('SELECT job FROM {test} WHERE id = :id', array(':id' => $id))->fetchField();
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    $this->assertEqual($job, $schema['fields']['job']['default'], t('Default field value is set.'));
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  }
}

/**
 * Update builder tests.
 */
class DatabaseUpdateTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Update tests',
      'description' => 'Test the Update query builder.',
      'group' => 'Database',
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    );
  }

  /**
   * Confirm that we can update a single record successfully.
   */
  function testSimpleUpdate() {
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    $num_updated = db_update('test')
      ->fields(array('name' => 'Tiffany'))
      ->condition('id', 1)
      ->execute();
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    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));
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    $saved_name = db_query('SELECT name FROM {test} WHERE id = :id', array(':id' => 1))->fetchField();
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    $this->assertIdentical($saved_name, 'Tiffany', t('Updated name successfully.'));
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  }
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  /**
   * Confirm updating to NULL.
   */
  function testSimpleNullUpdate() {
    $this->ensureSampleDataNull();
    $num_updated = db_update('test_null')
      ->fields(array('age' => NULL))
      ->condition('name', 'Kermit')
      ->execute();
    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));

    $saved_age = db_query('SELECT age FROM {test_null} WHERE name = :name', array(':name' => 'Kermit'))->fetchField();
    $this->assertNull($saved_age, t('Updated name successfully.'));
  }

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  /**
   * Confirm that we can update a multiple records successfully.
   */
  function testMultiUpdate() {
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    $num_updated = db_update('test')
      ->fields(array('job' => 'Musician'))
      ->condition('job', 'Singer')
      ->execute();
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    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
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  }

  /**
   * Confirm that we can update a multiple records with a non-equality condition.
   */
  function testMultiGTUpdate() {
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    $num_updated = db_update('test')
      ->fields(array('job' => 'Musician'))
      ->condition('age', 26, '>')
      ->execute();
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    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
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  }

  /**
   * Confirm that we can update a multiple records with a where call.
   */
  function testWhereUpdate() {
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    $num_updated = db_update('test')
      ->fields(array('job' => 'Musician'))
      ->where('age > :age', array(':age' => 26))
      ->execute();
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    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
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  }

  /**
   * Confirm that we can stack condition and where calls.
   */
  function testWhereAndConditionUpdate() {
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    $update = db_update('test')
      ->fields(array('job' => 'Musician'))
      ->where('age > :age', array(':age' => 26))
      ->condition('name', 'Ringo');
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    $num_updated = $update->execute();
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    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
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  }
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  /**
   * Test updating with expressions.
   */
  function testExpressionUpdate() {
    // Set age = 1 for a single row for this test to work.
    db_update('test')
      ->condition('id', 1)
      ->fields(array('age' => 1))
      ->execute();

    // Ensure that expressions are handled properly.  This should set every
    // record's age to a square of itself, which will change only three of the
    // four records in the table since 1*1 = 1. That means only three records
    // are modified, so we should get back 3, not 4, from execute().
    $num_rows = db_update('test')
      ->expression('age', 'age * age')
      ->execute();
    $this->assertIdentical($num_rows, 3, t('Number of affected rows are returned.'));
  }
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}

/**
 * Tests for more complex update statements.
 */
class DatabaseUpdateComplexTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Update tests, Complex',
      'description' => 'Test the Update query builder, complex queries.',
      'group' => 'Database',
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    );
  }

  /**
   * Test updates with OR conditionals.
   */
  function testOrConditionUpdate() {
    $update = db_update('test')
      ->fields(array('job' => 'Musician'))
      ->condition(db_or()
        ->condition('name', 'John')
        ->condition('name', 'Paul')
      );
    $num_updated = $update->execute();
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    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
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  }

  /**
   * Test WHERE IN clauses.
   */
  function testInConditionUpdate() {
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    $num_updated = db_update('test')
      ->fields(array('job' => 'Musician'))
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      ->condition('name', array('John', 'Paul'), 'IN')
      ->execute();
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    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
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  }

  /**
   * Test WHERE NOT IN clauses.
   */
  function testNotInConditionUpdate() {
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    // The o is lowercase in the 'NoT IN' operator, to make sure the operators
    // work in mixed case.
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    $num_updated = db_update('test')
      ->fields(array('job' => 'Musician'))
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      ->condition('name', array('John', 'Paul', 'George'), 'NoT IN')
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      ->execute();
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    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
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  }

  /**
   * Test BETWEEN conditional clauses.
   */
  function testBetweenConditionUpdate() {
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    $num_updated = db_update('test')
      ->fields(array('job' => 'Musician'))
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      ->condition('age', array(25, 26), 'BETWEEN')
      ->execute();
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    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
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  }

  /**
   * Test LIKE conditionals.
   */
  function testLikeConditionUpdate() {
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    $num_updated = db_update('test')
      ->fields(array('job' => 'Musician'))
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      ->condition('name', '%ge%', 'LIKE')
      ->execute();
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    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
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  }

  /**
   * Test update with expression values.
   */
  function testUpdateExpression() {
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    $before_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Ringo'))->fetchField();
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    $GLOBALS['larry_test'] = 1;
    $num_updated = db_update('test')
      ->condition('name', 'Ringo')
      ->fields(array('job' => 'Musician'))
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      ->expression('age', 'age + :age', array(':age' => 4))
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      ->execute();
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    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));
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    $num_matches = db_query('SELECT COUNT(*) FROM {test} WHERE job = :job', array(':job' => 'Musician'))->fetchField();
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    $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
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    $person = db_query('SELECT * FROM {test} WHERE name = :name', array(':name' => 'Ringo'))->fetch();
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    $this->assertEqual($person->name, 'Ringo', t('Name set correctly.'));
    $this->assertEqual($person->age, $before_age + 4, t('Age set correctly.'));
    $this->assertEqual($person->job, 'Musician', t('Job set correctly.'));
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    $GLOBALS['larry_test'] = 0;
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  }
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  /**
   * Test update with only expression values.
   */
  function testUpdateOnlyExpression() {
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    $before_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Ringo'))->fetchField();
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    $num_updated = db_update('test')
      ->condition('name', 'Ringo')
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      ->expression('age', 'age + :age', array(':age' => 4))
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      ->execute();
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    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));
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    $after_age = db_query('SELECT age FROM {test} WHERE name = :name', array(':name' => 'Ringo'))->fetchField();
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    $this->assertEqual($before_age + 4, $after_age, t('Age updated correctly'));
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  }
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}

/**
 * Test update queries involving LOB values.
 */
class DatabaseUpdateLOBTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Update tests, LOB',
      'description' => 'Test the Update query builder with LOB fields.',
      'group' => 'Database',
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    );
  }

  /**
   * Confirm that we can update a blob column.
   */
  function testUpdateOneBlob() {
    $data = "This is\000a test.";
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    $this->assertTrue(strlen($data) === 15, t('Test data contains a NULL.'));
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    $id = db_insert('test_one_blob')
      ->fields(array('blob1' => $data))
      ->execute();
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    $data .= $data;
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    db_update('test_one_blob')
      ->condition('id', $id)
      ->fields(array('blob1' => $data))
      ->execute();
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    $r = db_query('SELECT * FROM {test_one_blob} WHERE id = :id', array(':id' => $id))->fetchAssoc();
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    $this->assertTrue($r['blob1'] === $data, t('Can update a blob: id @id, @data.', array('@id' => $id, '@data' => serialize($r))));
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  }
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  /**
   * Confirm that we can update two blob columns in the same table.
   */
  function testUpdateMultipleBlob() {
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    $id = db_insert('test_two_blobs')
      ->fields(array(
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        'blob1' => 'This is',
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        'blob2' => 'a test',
      ))
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      ->execute();

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    db_update('test_two_blobs')
      ->condition('id', $id)
      ->fields(array('blob1' => 'and so', 'blob2' => 'is this'))
      ->execute();
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    $r = db_query('SELECT * FROM {test_two_blobs} WHERE id = :id', array(':id' => $id))->fetchAssoc();
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    $this->assertTrue($r['blob1'] === 'and so' && $r['blob2'] === 'is this', t('Can update multiple blobs per row.'));
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  }
}

/**
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 * Delete/Truncate tests.
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 *
 * The DELETE tests are not as extensive, as all of the interesting code for
 * DELETE queries is in the conditional which is identical to the UPDATE and
 * SELECT conditional handling.
 *
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 * The TRUNCATE tests are not extensive either, because the behavior of
 * TRUNCATE queries is not consistent across database engines. We only test
 * that a TRUNCATE query actually deletes all rows from the target table.
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 */
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class DatabaseDeleteTruncateTestCase extends DatabaseTestCase {
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  public static function getInfo() {
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    return array(
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      'name' => 'Delete/Truncate tests',
      'description' => 'Test the Delete and Truncate query builders.',
      'group' => 'Database',
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    );
  }

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  /**
   * Confirm that we can use a subselect in a delete successfully.
   */
  function testSubselectDelete() {
    $num_records_before = db_query('SELECT COUNT(*) FROM {test_task}')->fetchField();
    $pid_to_delete = db_query("SELECT * FROM {test_task} WHERE task = 'sleep'")->fetchField();

    $subquery = db_select('test', 't')
      ->fields('t', array('id'))
      ->condition('t.id', array($pid_to_delete), 'IN');
    $delete = db_delete('test_task')
      ->condition('task', 'sleep')
      ->condition('pid', $subquery, 'IN');

    $num_deleted = $delete->execute();
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    $this->assertEqual($num_deleted, 1, t("Deleted 1 record."));
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    $num_records_after = db_query('SELECT COUNT(*) FROM {test_task}')->fetchField();
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    $this->assertEqual($num_records_before, $num_records_after + $num_deleted, t('Deletion adds up.'));
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  }

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  /**
   * Confirm that we can delete a single record successfully.
   */
  function testSimpleDelete() {
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    $num_records_before = db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $num_deleted = db_delete('test')
      ->condition('id', 1)
      ->execute();
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    $this->assertIdentical($num_deleted, 1, t('Deleted 1 record.'));
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    $num_records_after = db_query('SELECT COUNT(*) FROM {test}')->fetchField();
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    $this->assertEqual($num_records_before, $num_records_after + $num_deleted, t('Deletion adds up.'));
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  }
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  /**
   * Confirm that we can truncate a whole table successfully.
   */
  function testTruncate() {
    $num_records_before = db_query("SELECT COUNT(*) FROM {test}")->fetchField();

    db_truncate('test')->execute();

    $num_records_after = db_query("SELECT COUNT(*) FROM {test}")->fetchField();
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    $this->assertEqual(0, $num_records_after, t('Truncate really deletes everything.'));
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  }
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}

/**
 * Test the MERGE query builder.
 */
class DatabaseMergeTestCase extends DatabaseTestCase {

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  public static function getInfo() {
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    return array(
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      'name' => 'Merge tests',
      'description' => 'Test the Merge query builder.',
      'group' => 'Database',
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    );
  }

  /**
   * Confirm that we can merge-insert a record successfully.
   */
  function testMergeInsert() {
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    $num_records_before = db_query('SELECT COUNT(*) FROM {test_people}')->fetchField();
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    $result = db_merge('test_people')
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      ->key(array('job' => 'Presenter'))
      ->fields(array(
        'age' => 31,
        'name' => 'Tiffany',
      ))
      ->execute();

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    $this->assertEqual($result, Merge::STATUS_INSERT, t('Insert status returned.'));
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    $num_records_after = db_query('SELECT COUNT(*) FROM {test_people}')->fetchField();
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    $this->assertEqual($num_records_before + 1, $num_records_after, t('Merge inserted properly.'));
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    $person = db_query('SELECT * FROM {test_people} WHERE job = :job', array(':job' => 'Presenter'))->fetch();
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    $this->assertEqual($person->name, 'Tiffany', t('Name set correctly.'));
    $this->assertEqual($person->age, 31, t('Age set correctly.'));
    $this->assertEqual($person->job, 'Presenter', t('Job set correctly.'));
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  }

  /**
   * Confirm that we can merge-update a record successfully.
   */
  function testMergeUpdate() {
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    $num_records_before = db_query('SELECT COUNT(*) FROM {test_people}')->fetchField();
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    $result = db_merge('test_people')
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