class ConnectionTest

class ConnectionTest extends UnitTestCase {
  
  /**
   * Tests that no queries are executed when opening a connection.
   *
   * The client encoding is set through the DSN in ::open(), as part of the
   * connection startup packet, so constructing the connection must not send
   * any statement (an extra round trip) to the database.
   */
  public function testNoQueriesOnConnect() : void {
    $pdo = $this->createMock(Pgsql::class);
    $pdo->expects($this->never())
      ->method('exec');
    $pdo->expects($this->never())
      ->method('query');
    $pdo->expects($this->never())
      ->method('prepare');
    new Connection($pdo, []);
  }
  
  /**
   * Tests that init_commands are executed when opening a connection.
   */
  public function testInitCommandsOnConnect() : void {
    $pdo = $this->createMock(Pgsql::class);
    $pdo->expects($this->once())
      ->method('exec')
      ->with("SET timezone = 'UTC'");
    new Connection($pdo, [
      'init_commands' => [
        "SET timezone = 'UTC'",
      ],
    ]);
  }

}