rusqlite/tests/config_log.rs

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2018-08-17 00:29:46 +08:00
//! This file contains unit tests for `rusqlite::trace::config_log`. This
//! function affects SQLite process-wide and so is not safe to run as a normal
//! #[test] in the library.
#[cfg(feature = "trace")]
fn main() {
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use lazy_static::lazy_static;
use std::os::raw::c_int;
use std::sync::Mutex;
lazy_static! {
static ref LOGS_RECEIVED: Mutex<Vec<(c_int, String)>> = Mutex::new(Vec::new());
}
fn log_handler(err: c_int, message: &str) {
let mut logs_received = LOGS_RECEIVED.lock().unwrap();
logs_received.push((err, message.to_owned()));
}
use rusqlite::trace;
unsafe { trace::config_log(Some(log_handler)) }.unwrap();
trace::log(10, "First message from rusqlite");
unsafe { trace::config_log(None) }.unwrap();
trace::log(11, "Second message from rusqlite");
let logs_received = LOGS_RECEIVED.lock().unwrap();
assert_eq!(logs_received.len(), 1);
assert_eq!(logs_received[0].0, 10);
assert_eq!(logs_received[0].1, "First message from rusqlite");
}
#[cfg(not(feature = "trace"))]
fn main() {}