database_test.test 63.6 KB
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<?php
// $Id$

/**
 * Dummy class for fetching into a class.
 *
 * PDO supports using a new instance of an arbitrary class for records
 * 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 {

  function setUp() {
    parent::setUp('database_test');

    try {
      $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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      $ret = array();
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      // This ends up being a test for table drop and create, too, which is
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      // nice.
      foreach ($schema as $name => $data) {
        if (db_table_exists($name)) {
          db_drop_table($ret, $name);
        }
        db_create_table($ret, $name, $data);
      }
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      foreach ($schema as $name => $data) {
        $this->assertTrue(db_table_exists($name), t('Table @name created successfully.', array('@name' => $name)));
      }
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      $this->addSampleData();
    }
    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }

  /**
   * 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 {

  function getInfo() {
    return array(
      'name' => t('Connection tests'),
      'description' => t('Tests of the core database system.'),
      'group' => t('Database'),
    );
  }

  /**
   * 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');
    $db2 = Database::getConnection('default', 'slave');

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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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  }

  /**
   * 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');
    $db2 = Database::getConnection('default', 'slave');

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    $this->assertIdentical($db1, $db2, t('Both targets refer to the same connection.'));
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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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  function getInfo() {
    return array(
      'name' => t('Fetch tests'),
      'description' => t('Test the Database system\'s various fetch capabilities.'),
      'group' => t('Database'),
    );
  }

  /**
   * Confirm that we can fetch a record properly in default object mode.
   */
  function testQueryFetchDefault() {

    $records = array();
    $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;
      $this->assertTrue(is_object($record), t('Record is an object.'));
      $this->assertIdentical($record->name, 'John', t('25 year old is John.'));
    }

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

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

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

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

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

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

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

/**
 * 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 {

  function getInfo() {
    return array(
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      'name' => t('Fetch tests, part 2'),
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      'description' => t('Test the Database system\'s various fetch capabilities.'),
      'group' => t('Database'),
    );
  }

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

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

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

  /**
   * Confirm that we can fetch a record into a doubly-keyed array explicitly.
   */
  function testQueryFetchBoth() {
    $records = array();
    $result = db_query("SELECT name FROM {test} WHERE age = :age", array(':age' => 25), array('fetch' => PDO::FETCH_BOTH));
    foreach ($result as $record) {
      $records[] = $record;
      if ($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.'));
      }
    }

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

  /**
   * 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();
    $result = db_query("SELECT name FROM {test} WHERE age > :age", array(':age' => 25));
    $column = $result->fetchCol();
    $this->assertIdentical(count($column), 3, t('fetchCol() returns the right number of records.'));


    $result = db_query("SELECT name FROM {test} WHERE age > :age", array(':age' => 25));
    $i = 0;
    foreach ($result as $record) {
      $this->assertIdentical($record->name, $column[$i++], t('Column matches direct accesss.'));
    }
  }
}

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

  function getInfo() {
    return array(
      'name' => t('Insert tests'),
      'description' => t('Test the Insert query builder.'),
      'group' => t('Database'),
    );
  }

  /**
   * Test the very basic insert functionality.
   */
  function testSimpleInsert() {
    try {
      $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();

      $num_records_after = db_query("SELECT COUNT(*) FROM {test}")->fetchField();
      $this->assertIdentical($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();
      $this->assertIdentical($saved_age, '29', t('Can retrieve after inserting.'));
    }
    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }

  /**
   * Test that we can insert multiple records in one query object.
   */
  function testMultiInsert() {
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    try {
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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',
      ));
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      // We should be able to specify values in any order if named.
      $query->values(array(
        'age' => '31',
        'name' => 'Curly',
      ));
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      // 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();
      $this->assertIdentical($num_records_before + 3, $num_records_after, t('Record inserts correctly.'));
      $saved_age = db_query("SELECT age FROM {test} WHERE name = :name", array(':name' => 'Larry'))->fetchField();
      $this->assertIdentical($saved_age, '30', t('Can retrieve by name.'));
      $saved_age = db_query("SELECT age FROM {test} WHERE name = :name", array(':name' => 'Curly'))->fetchField();
      $this->assertIdentical($saved_age, '31', t('Can retrieve by name.'));
      $saved_age = db_query("SELECT age FROM {test} WHERE name = :name", array(':name' => 'Moe'))->fetchField();
      $this->assertIdentical($saved_age, '32', t('Can retrieve by name.'));
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    }
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    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }

  /**
   * Test that an insert object can be reused with new data after it executes.
   */
  function testRepeatedInsert() {
    try {
      $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',
      ));
      $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();
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      // 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();
      $this->assertIdentical((int) $num_records_before + 3, (int) $num_records_after, t('Record inserts correctly.'));
      $saved_age = db_query("SELECT age FROM {test} WHERE name = :name", array(':name' => 'Larry'))->fetchField();
      $this->assertIdentical($saved_age, '30', t('Can retrieve by name.'));
      $saved_age = db_query("SELECT age FROM {test} WHERE name = :name", array(':name' => 'Curly'))->fetchField();
      $this->assertIdentical($saved_age, '31', t('Can retrieve by name.'));
      $saved_age = db_query("SELECT age FROM {test} WHERE name = :name", array(':name' => 'Moe'))->fetchField();
      $this->assertIdentical($saved_age, '32', t('Can retrieve by name.'));
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    }
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    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }

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

  /**
   * Test that inserts return the proper auto-increment ID.
   */
  function testInsertLastInsertID() {
    try {
      $id = db_insert('test')->fields(array(
          '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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    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }
}

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

  function getInfo() {
    return array(
      'name' => t('Insert tests, LOB fields'),
      'description' => t('Test the Insert query builder with LOB fields.'),
      'group' => t('Database'),
    );
  }

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

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

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

  function getInfo() {
    return array(
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      'name' => t('Insert tests, default fields'),
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      'description' => t('Test the Insert query builder with default values.'),
      'group' => t('Database'),
    );
  }
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  /**
   * Test that we can run a query that is "default values for everything".
   */
  function testDefaultInsert() {
    try {
      $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();
      $this->assertEqual($job, $schema['fields']['job']['default'], t('Default field value is set.'));
    }
    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }

  /**
   * Test that we can insert fields with values and defaults in the same query.
   */
  function testDefaultInsertWithFields() {
    try {
      $query = db_insert('test')->fields(array('name' => 'Bob'))->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();
      $this->assertEqual($job, $schema['fields']['job']['default'], t('Default field value is set.'));
    }
    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }
}

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

  function getInfo() {
    return array(
      'name' => t('Update tests'),
      'description' => t('Test the Update query builder.'),
      'group' => t('Database'),
    );
  }

  /**
   * Confirm that we can update a single record successfully.
   */
  function testSimpleUpdate() {
    $num_updated = db_update('test')->fields(array('name' => 'Tiffany'))->condition('id', 1)->execute();
    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));

    $saved_name = db_query("SELECT name FROM {test} WHERE id = :id", array(':id' => 1))->fetchField();
    $this->assertIdentical($saved_name, 'Tiffany', t('Updated name successfully.'));
  }
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  /**
   * Confirm that we can update a multiple records successfully.
   */
  function testMultiUpdate() {
    $num_updated = db_update('test')->fields(array('job' => 'Musician'))->condition('job', 'Singer')->execute();
    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));

    $num_matches = db_query("SELECT count(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
  }

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

    $num_matches = db_query("SELECT count(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
  }

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

    $num_matches = db_query("SELECT COUNT(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
  }

  /**
   * Confirm that we can stack condition and where calls.
   */
  function testWhereAndConditionUpdate() {
    $update = db_update('test')->fields(array('job' => 'Musician'))->where('age > :age', array(':age' => 26))->condition('name', 'Ringo');
    $num_updated = $update->execute();
    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));

    $num_matches = db_query("SELECT count(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
  }
}

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

  function getInfo() {
    return array(
      'name' => t('Update tests, Complex'),
      'description' => t('Test the Update query builder, complex queries.'),
      'group' => t('Database'),
    );
  }

  /**
   * 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();
    $this->assertIdentical($num_updated, 2, t('Updated 2 records.'));

    $num_matches = db_query("SELECT count(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
  }

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

    $num_matches = db_query("SELECT count(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
  }

  /**
   * Test WHERE NOT IN clauses.
   */
  function testNotInConditionUpdate() {
    $num_updated = db_update('test')->fields(array('job' => 'Musician'))
      ->condition('name', array('John', 'Paul', 'George'), 'NOT IN')
      ->execute();
    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));

    $num_matches = db_query("SELECT count(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
  }

  /**
   * Test BETWEEN conditional clauses.
   */
  function testBetweenConditionUpdate() {
    try{
      $num_updated = db_update('test')->fields(array('job' => 'Musician'))
        ->condition('age', array(25, 26), 'BETWEEN')
        ->execute();
      $this->assertIdentical($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();
      $this->assertIdentical($num_matches, '2', t('Updated fields successfully.'));
    }
    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }

  /**
   * Test LIKE conditionals.
   */
  function testLikeConditionUpdate() {
    $num_updated = db_update('test')->fields(array('job' => 'Musician'))
      ->condition('name', '%ge%', 'LIKE')
      ->execute();
    $this->assertIdentical($num_updated, 1, t('Updated 1 record.'));

    $num_matches = db_query("SELECT count(*) FROM {test} WHERE job = :job", array(':job' => 'Musician'))->fetchField();
    $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
  }

  /**
   * Test update with expression values.
   */
  function testUpdateExpression() {
    try {
      $before_age = db_query("SELECT age FROM {test} WHERE name = 'Ringo'")->fetchField();
      $GLOBALS['larry_test'] = 1;
      $num_updated = db_update('test')
        ->condition('name', 'Ringo')
        ->fields(array('job' => 'Musician'))
        ->expression('age', 'age + :age',array(':age' => 4))
        ->execute();
      $this->assertIdentical($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();
      $this->assertIdentical($num_matches, '1', t('Updated fields successfully.'));
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      $person = db_query("SELECT * FROM {test} WHERE name = :name", array(':name' => 'Ringo'))->fetch();
      $this->assertEqual($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.'));
      $GLOBALS['larry_test'] = 0;
    }
    catch (Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }
}

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

  function getInfo() {
    return array(
      'name' => t('Update tests, LOB'),
      'description' => t('Test the Update query builder with LOB fields.'),
      'group' => t('Database'),
    );
  }

  /**
   * Confirm that we can update a blob column.
   */
  function testUpdateOneBlob() {
    $data = "This is\000a test.";
    $this->assertTrue(strlen($data) === 15, t('Test data contains a NULL.'));
    $id = db_insert('test_one_blob')->fields(array('blob1' => $data))->execute();

    $data .= $data;
    db_update('test_one_blob')->condition('id', $id)->fields(array('blob1' => $data))->execute();

    $res = db_query('SELECT * FROM {test_one_blob} WHERE id = %d', $id);
    $r = db_fetch_array($res);
    $this->assertTrue($r['blob1'] === $data, t('Can update a blob: id @id, @data.', array('@id' => $id, '@data' => serialize($r))));
  }
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  /**
   * Confirm that we can update two blob columns in the same table.
   */
  function testUpdateMultipleBlob() {
    $id = db_insert('test_two_blobs')->fields(array(
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        'blob2' => 'a test')
      )
      ->execute();

    db_update('test_two_blobs')->condition('id', $id)->fields(array('blob1' => 'and so', 'blob2' => 'is this'))->execute();

    $res = db_query('SELECT * FROM {test_two_blobs} WHERE id = %d', $id);
    $r = db_fetch_array($res);
    $this->assertTrue($r['blob1'] === 'and so' && $r['blob2'] === 'is this', t('Can update multiple blobs per row.'));
  }
}

/**
 * Delete tests.
 *
 * 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.
 *
 */
class DatabaseDeleteTestCase extends DatabaseTestCase {

  function getInfo() {
    return array(
      'name' => t('Delete tests'),
      'description' => t('Test the Delete query builder.'),
      'group' => t('Database'),
    );
  }

  /**
   * Confirm that we can delete a single record successfully.
   */
  function testSimpleDelete() {
    $num_records_before = db_query("SELECT COUNT(*) FROM {test}")->fetchField();

    $num_deleted = db_delete('test')->condition('id', 1)->execute();
    $this->assertIdentical($num_deleted, 1, t('Deleted 1 record.'));

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

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

  function getInfo() {
    return array(
      'name' => t('Merge tests'),
      'description' => t('Test the Merge query builder.'),
      'group' => t('Database'),
    );
  }

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

      $num_records_after = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();
      $this->assertEqual($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();
      $this->assertEqual($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.'));
    }
    catch(Exception $e) {
      $this->assertTrue(FALSE, $e->getMessage());
    }
  }

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

    db_merge('test_people')->key(array('job' => 'Speaker'))->fields(array('age' => 31, 'name' => 'Tiffany'))->execute();

    $num_records_after = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();
    $this->assertEqual($num_records_before, $num_records_after, t('Merge updated properly.'));
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    $person = db_query("SELECT * FROM {test_people} WHERE job = :job", array(':job' => 'Speaker'))->fetch();
    $this->assertEqual($person->name, 'Tiffany', t('Name set correctly.'));
    $this->assertEqual($person->age, 31, t('Age set correctly.'));
    $this->assertEqual($person->job, 'Speaker', t('Job set correctly.'));
  }

  /**
   * Confirm that we can merge-update a record successfully, with exclusion.
   */
  function testMergeUpdateExcept() {
    $num_records_before = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();

    db_merge('test_people')->key(array('job' => 'Speaker'))->fields(array('age' => 31, 'name' => 'Tiffany'))->updateExcept('age')->execute();

    $num_records_after = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();
    $this->assertEqual($num_records_before, $num_records_after, t('Merge updated properly.'));
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    $person = db_query("SELECT * FROM {test_people} WHERE job = :job", array(':job' => 'Speaker'))->fetch();
    $this->assertEqual($person->name, 'Tiffany', t('Name set correctly.'));
    $this->assertEqual($person->age, 30, t('Age skipped correctly.'));
    $this->assertEqual($person->job, 'Speaker', t('Job set correctly.'));
  }

  /**
   * Confirm that we can merge-update a record successfully, with alternate replacement.
   */
  function testMergeUpdateExplicit() {
    $num_records_before = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();

    db_merge('test_people')->key(array('job' => 'Speaker'))->fields(array('age' => 31, 'name' => 'Tiffany'))->update(array('name' => 'Joe'))->execute();

    $num_records_after = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();
    $this->assertEqual($num_records_before, $num_records_after, t('Merge updated properly.'));
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    $person = db_query("SELECT * FROM {test_people} WHERE job = :job", array(':job' => 'Speaker'))->fetch();
    $this->assertEqual($person->name, 'Joe', t('Name set correctly.'));
    $this->assertEqual($person->age, 30, t('Age skipped correctly.'));
    $this->assertEqual($person->job, 'Speaker', t('Job set correctly.'));
  }

  /**
   * Confirm that we can merge-update a record successfully, with expressions.
   */
  function testMergeUpdateExpression() {
    $num_records_before = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();

    $age_before = db_query("SELECT age FROM {test_people} WHERE job = 'Speaker'")->fetchField();

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    // change age this way, but that's beside the point.
    // Note that we are also double-setting age here, once as a literal and
    // once as an expression.  This test will only pass if the expression wins,
    // which is what is supposed to happen.
    db_merge('test_people')
      ->key(array('job' => 'Speaker'))
      ->fields(array('age' => 31, 'name' => 'Tiffany'))
      ->expression('age', 'age + :age', array(':age' => 4))
      ->execute();

    $num_records_after = db_query("SELECT COUNT(*) FROM {test_people}")->fetchField();
    $this->assertEqual($num_records_before, $num_records_after, t('Merge updated properly.'));
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    $person = db_query("SELECT * FROM {test_people} WHERE job = :job", array(':job' => 'Speaker'))->fetch();
    $this->assertEqual($person->name, 'Tiffany', t('Name set correctly.'));
    $this->assertEqual($person->age, $age_before + 4, t('Age updated correctly.'));
    $this->assertEqual($person->job, 'Speaker', t('Job set correctly.'));
  }
}

/**
 * Test the SELECT builder.
 *
 */
class DatabaseSelectTestCase extends DatabaseTestCase {

  function getInfo() {
    return array(
      'name' => t('Select tests'),
      'description' => t('Test the Select query builder.'),
      'group' => t('Database'),
    );
  }

  /**
   * Test rudimentary SELECT statements.
   */
  function testSimpleSelect() {
    try {
      $query = db_select('test');
      $name_field = $query->addField('test', 'name');
      $age_field = $query->addField('test', 'age', 'age');
      $result = $query->execute();
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      $num_records = 0;
      foreach ($result as $record) {
        $num_records++;
      }
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      $this->assertEqual($num_records, 4, t('Returned the correct number of rows.'));
    }
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