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extern crate rocksdb;
use std::time::{SystemTime, UNIX_EPOCH};
use std::path::{PathBuf, Path};
use rocksdb::{DB, Options};
// Ensures that DB::Destroy is called for this database when DBPath is dropped.
pub struct DBPath {
path: PathBuf
}
impl DBPath {
// Suffixes the given `prefix` with a timestamp to ensure that subsequent test runs don't reuse
// an old database in case of panics prior to Drop being called.
pub fn new(prefix: &str) -> DBPath {
let current_time = SystemTime::now().duration_since(UNIX_EPOCH).unwrap();
let path = format!(
"{}.{}.{}",
prefix,
current_time.as_secs(),
current_time.subsec_nanos()
);
DBPath { path: PathBuf::from(path) }
}
}
impl Drop for DBPath {
fn drop(&mut self) {
let opts = Options::default();
DB::destroy(&opts, &self.path).unwrap();
}
}
impl AsRef<Path> for DBPath {
fn as_ref(&self) -> &Path {
&self.path
}
}