oracle 0.0.2

Oracle binding
Documentation 
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// Rust-oracle - Rust binding for Oracle database
//
// URL: https://github.com/kubo/rust-oracle
//
// ------------------------------------------------------
//
// Copyright 2017 Kubo Takehiro <kubo@jiubao.org>
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
//    1. Redistributions of source code must retain the above copyright notice, this list of
//       conditions and the following disclaimer.
//
//    2. Redistributions in binary form must reproduce the above copyright notice, this list
//       of conditions and the following disclaimer in the documentation and/or other materials
//       provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of the authors.

extern crate oracle;
mod common;

#[test]
fn client_version() {
    let ver = match oracle::client_version() {
        Ok(ver) => ver,
        Err(err) => panic!("Failed to get client version: {}", err),
    };
    let conn = common::connect().unwrap();
    let mut stmt = conn.prepare("SELECT client_version FROM v$session_connect_info WHERE sid = SYS_CONTEXT('USERENV', 'SID')").unwrap();
    stmt.execute(&()).unwrap();
    let row = stmt.fetch().unwrap();
    let ver_from_query: String = row.get(0).unwrap();
    assert_eq!(ver.to_string(), ver_from_query);
}