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function ConnectionUnitTest::testOpenClose in Drupal 7

Tests Database::closeConnection() without query.

@todo getConnectionID() executes a query.

File

modules/simpletest/tests/database_test.test, line 4145

Class

ConnectionUnitTest
Tests management of database connections.

Code

function testOpenClose() {
  if ($this->skipTest) {
    return;
  }

  // Add and open a new connection.
  $this
    ->addConnection();
  $id = $this
    ->getConnectionID();
  Database::getConnection($this->target, $this->key);

  // Verify that there is a new connection.
  $this
    ->assertConnection($id);

  // Close the connection.
  Database::closeConnection($this->target, $this->key);

  // Wait 20ms to give the database engine sufficient time to react.
  usleep(20000);

  // Verify that we are back to the original connection count.
  $this
    ->assertNoConnection($id);
}